微信浏览器内微信支付/公众号支付(JSAPI)

微信JSAPI支付

@Overridepublic MessageBean pay(HttpServletRequest request, WXPayVO wxPayVO) {MessageBean result = new MessageBean();try {Order order = orderMapper.getByOrderCode(wxPayVO.getOrderNo());if (order == null) {throw new BDException("订单不存在");}if (order.getStatus()!=0) {throw new BDException("订单状态异常，请重试");}//获取用户openidJSONObject jsonResult = WechatUtil.getSessionKeyOrOpenId(wxPayVO.getCode());String openid = jsonResult.getString("openid");//订单实付金额(分)String total_fee = order.getPayPrice().multiply(new BigDecimal(100)).setScale(0, BigDecimal.ROUND_HALF_UP).toString();//拼接统一下单地址参数Map<String, String> paraMap = new HashMap<>();//获取请求ip地址String ip = CusAccessObjectUtil.getIpAdrress(request);paraMap.put("appid", "你自己的appid");paraMap.put("body", "订单编号：799798449494");paraMap.put("mch_id", "商户id");paraMap.put("nonce_str", WXPayUtil.generateNonceStr());paraMap.put("openid", openid);paraMap.put("out_trade_no", "商户订单号，就是你自己的生成的订单号");paraMap.put("spbill_create_ip", ip);// paraMap.put("total_fee",total_fee);paraMap.put("total_fee","1");//测试可以用1分钱paraMap.put("trade_type", "JSAPI");// 此路径是微信服务器调用支付结果通知路径paraMap.put("notify_url","你的支付成功回调接口");String sign = WXPayUtil.generateSignature(paraMap, Constant.PATERNER_KEY);paraMap.put("sign", sign);String xml = WXPayUtil.mapToXml(paraMap);//将所有参数(map)转xml格式System.out.println(xml);// 统一下单 https://api.mch./pay/unifiedorder//发送post请求"统一下单接口"返回预支付id:prepay_idString xmlStr = HttpClientUtil.sendPost("https://api.mch./pay/unifiedorder", xml);Map<String, String> map = WXPayUtil.xmlToMap(xmlStr);//以下内容是返回前端页面的json数据String prepay_id = "";//预支付idif (xmlStr.indexOf("SUCCESS") != -1) {prepay_id = map.get("prepay_id");Map<String, String> payMap = new HashMap<>();payMap.put("appId", Constant.WX_LOGIN_APPID);payMap.put("timeStamp", WXPayUtil.getCurrentTimestamp()+"");payMap.put("nonceStr", WXPayUtil.generateNonceStr());payMap.put("signType", "MD5");payMap.put("package", "prepay_id=" + prepay_id);String paySign = WXPayUtil.generateSignature(payMap, Constant.PATERNER_KEY);payMap.put("paySign", paySign);result.setData(payMap);result.setDesc(xmlStr);}else {result.setSuccess(false).setDesc(map.get("return_msg"));}} catch (Exception e) {logger.error(ErrorInfoUtil.getErrorInfo(e));throw ExceptionFormatUtil.formatException(e, ErrorEnum.SYSTEM_ERROR);}return result;}

回调接口

@Override@Transactional(readOnly = false,rollbackFor = Exception.class)public void callback(HttpServletRequest request, HttpServletResponse response) {logger.info("微信支付成功,微信发送的callback信息,请注意修改订单信息");InputStream is = null;try {//获取请求的流信息(这里是微信发的xml格式所有只能使用流来读)is = request.getInputStream();String xml = WXPayUtil.inputStream2String(is, "UTF-8");//将微信发的xml转mapMap<String, String> notifyMap = WXPayUtil.xmlToMap(xml);if(notifyMap.get("return_code").equals("SUCCESS") && notifyMap.get("result_code").equals("SUCCESS")) {//商户订单号String ordersSn = notifyMap.get("out_trade_no");//实际支付的订单金额:单位 分String amountpaid = notifyMap.get("total_fee");//将分转换成元-实际支付金额:元BigDecimal amountPay = (new BigDecimal(amountpaid).divide(new BigDecimal("100"))).setScale(2);//String openid = notifyMap.get("openid"); //如果有需要可以获取//String trade_type = notifyMap.get("trade_type");//修改订单状态Order order = orderMapper.getByOrderCode(ordersSn);if (order.getStatus().equals(ConstantNumber.INTEGER_ZERO)) {order.setPayType(ConstantNumber.INTEGER_ONE);order.setStatus(ConstantNumber.INTEGER_ONE);order.setPayTime(new Date());orderMapper.update(order);////支付成功发送通知短信//Map<String,String> paramMap = new HashMap<>();//SmsUtil.sendSms(baseuser.getMobile(),Constant.SIGN_NAME,"SMS_215336433",paramMap);List<OrderCommodity> orderCommodities = orderCommodityMapper.getByOrderId(order.getId());if (order.getOrderType()==0) {//修改商品销量for (OrderCommodity orderCommodity : orderCommodities) {Commodity commodity = commodityMapper.getOne(orderCommodity.getCommodityId());commodity.setSales(commodity.getSales() + orderCommodity.getNum());commodityMapper.updateSales(commodity);}}else {//修改商品销量for (OrderCommodity orderCommodity : orderCommodities) {SeckillCommodityDO commodity = seckillCommodityMapper.getOne(orderCommodity.getCommodityId());commodity.setSales(commodity.getSales() + orderCommodity.getNum());seckillCommodityMapper.updateSales(commodity);}}//修改订单中红包和优惠券为已使用if (order.getCouponId() != null) {couponReceiveMapper.updateStatus(order.getCouponId(), ConstantNumber.INTEGER_ONE);}if (order.getRedEnvelopesId() != null) {redEnvelopesMapper.updateStatus(order.getRedEnvelopesId(), ConstantNumber.INTEGER_ONE);}}}//告诉微信服务器收到信息了，不要在调用回调action了========这里很重要回复微信服务器信息用流发送一个xml即可StringBuilder stringBuilder = new StringBuilder();stringBuilder.append("<xml>");stringBuilder.append("<return_code><![CDATA[SUCCESS]]></return_code>");stringBuilder.append("<return_msg><![CDATA[OK]]></return_msg>");stringBuilder.append("</xml>");// response.getWriter().write("<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>");response.getWriter().write(stringBuilder.toString());is.close();} catch (Exception e) {e.printStackTrace();}}

用到的几个weixin工具类

IWXPayDomain

package com.guangyi.project.utils.WXPayUtil;/*** 域名管理，实现主备域名自动切换*/public abstract interface IWXPayDomain {/*** 上报域名网络状况* @param domain 域名。 比如：api.mch.* @param elapsedTimeMillis 耗时* @param ex 网络请求中出现的异常。* null表示没有异常* ConnectTimeoutException，表示建立网络连接异常* UnknownHostException， 表示dns解析异常*/abstract void report(final String domain, long elapsedTimeMillis, final Exception ex);/*** 获取域名* @param config 配置* @return 域名*/abstract DomainInfo getDomain(final WXPayConfig config);static class DomainInfo{public String domain; //域名public boolean primaryDomain;//该域名是否为主域名。例如:api.mch.为主域名public DomainInfo(String domain, boolean primaryDomain) {this.domain = domain;this.primaryDomain = primaryDomain;}@Overridepublic String toString() {return "DomainInfo{" +"domain='" + domain + '\'' +", primaryDomain=" + primaryDomain +'}';}}}

WXPay

package com.guangyi.project.utils.WXPayUtil;import java.util.HashMap;import java.util.Map;public class WXPay {private WXPayConfig config;private WXPayConstants.SignType signType;private boolean autoReport;private boolean useSandbox;private String notifyUrl;private WXPayRequest wxPayRequest;public WXPay(final WXPayConfig config) throws Exception {this(config, null, true, false);}public WXPay(final WXPayConfig config, final boolean autoReport) throws Exception {this(config, null, autoReport, false);}public WXPay(final WXPayConfig config, final boolean autoReport, final boolean useSandbox) throws Exception{this(config, null, autoReport, useSandbox);}public WXPay(final WXPayConfig config, final String notifyUrl) throws Exception {this(config, notifyUrl, true, false);}public WXPay(final WXPayConfig config, final String notifyUrl, final boolean autoReport) throws Exception {this(config, notifyUrl, autoReport, false);}public WXPay(final WXPayConfig config, final String notifyUrl, final boolean autoReport, final boolean useSandbox) throws Exception {this.config = config;this.notifyUrl = notifyUrl;this.autoReport = autoReport;this.useSandbox = useSandbox;if (useSandbox) {this.signType = WXPayConstants.SignType.MD5; // 沙箱环境}else {this.signType = WXPayConstants.SignType.HMACSHA256;}this.wxPayRequest = new WXPayRequest(config);}private void checkWXPayConfig() throws Exception {if (this.config == null) {throw new Exception("config is null");}if (this.config.getAppID() == null || this.config.getAppID().trim().length() == 0) {throw new Exception("appid in config is empty");}if (this.config.getMchID() == null || this.config.getMchID().trim().length() == 0) {throw new Exception("appid in config is empty");}if (this.config.getCertStream() == null) {throw new Exception("cert stream in config is empty");}if (this.config.getWXPayDomain() == null){throw new Exception("config.getWXPayDomain() is null");}if (this.config.getHttpConnectTimeoutMs() < 10) {throw new Exception("http connect timeout is too small");}if (this.config.getHttpReadTimeoutMs() < 10) {throw new Exception("http read timeout is too small");}}/*** 向 Map 中添加 appid、mch_id、nonce_str、sign_type、sign <br>* 该函数适用于商户适用于统一下单等接口，不适用于红包、代金券接口** @param reqData* @return* @throws Exception*/public Map<String, String> fillRequestData(Map<String, String> reqData) throws Exception {reqData.put("appid", config.getAppID());reqData.put("mch_id", config.getMchID());reqData.put("nonce_str", WXPayUtil.generateNonceStr());if (WXPayConstants.SignType.MD5.equals(this.signType)) {reqData.put("sign_type", WXPayConstants.MD5);}else if (WXPayConstants.SignType.HMACSHA256.equals(this.signType)) {reqData.put("sign_type", WXPayConstants.HMACSHA256);}reqData.put("sign", WXPayUtil.generateSignature(reqData, config.getKey(), this.signType));return reqData;}/*** 判断xml数据的sign是否有效，必须包含sign字段，否则返回false。** @param reqData 向wxpay post的请求数据* @return 签名是否有效* @throws Exception*/public boolean isResponseSignatureValid(Map<String, String> reqData) throws Exception {// 返回数据的签名方式和请求中给定的签名方式是一致的return WXPayUtil.isSignatureValid(reqData, this.config.getKey(), this.signType);}/*** 判断支付结果通知中的sign是否有效** @param reqData 向wxpay post的请求数据* @return 签名是否有效* @throws Exception*/public boolean isPayResultNotifySignatureValid(Map<String, String> reqData) throws Exception {String signTypeInData = reqData.get(WXPayConstants.FIELD_SIGN_TYPE);WXPayConstants.SignType signType;if (signTypeInData == null) {signType = WXPayConstants.SignType.MD5;}else {signTypeInData = signTypeInData.trim();if (signTypeInData.length() == 0) {signType = WXPayConstants.SignType.MD5;}else if (WXPayConstants.MD5.equals(signTypeInData)) {signType = WXPayConstants.SignType.MD5;}else if (WXPayConstants.HMACSHA256.equals(signTypeInData)) {signType = WXPayConstants.SignType.HMACSHA256;}else {throw new Exception(String.format("Unsupported sign_type: %s", signTypeInData));}}return WXPayUtil.isSignatureValid(reqData, this.config.getKey(), signType);}/*** 不需要证书的请求* @param urlSuffix String* @param reqData 向wxpay post的请求数据* @param connectTimeoutMs 超时时间，单位是毫秒* @param readTimeoutMs 超时时间，单位是毫秒* @return API返回数据* @throws Exception*/public String requestWithoutCert(String urlSuffix, Map<String, String> reqData,int connectTimeoutMs, int readTimeoutMs) throws Exception {String msgUUID = reqData.get("nonce_str");String reqBody = WXPayUtil.mapToXml(reqData);String resp = this.wxPayRequest.requestWithoutCert(urlSuffix, msgUUID, reqBody, connectTimeoutMs, readTimeoutMs, autoReport);return resp;}/*** 需要证书的请求* @param urlSuffix String* @param reqData 向wxpay post的请求数据 Map* @param connectTimeoutMs 超时时间，单位是毫秒* @param readTimeoutMs 超时时间，单位是毫秒* @return API返回数据* @throws Exception*/public String requestWithCert(String urlSuffix, Map<String, String> reqData,int connectTimeoutMs, int readTimeoutMs) throws Exception {String msgUUID= reqData.get("nonce_str");String reqBody = WXPayUtil.mapToXml(reqData);String resp = this.wxPayRequest.requestWithCert(urlSuffix, msgUUID, reqBody, connectTimeoutMs, readTimeoutMs, this.autoReport);return resp;}/*** 处理 HTTPS API返回数据，转换成Map对象。return_code为SUCCESS时，验证签名。* @param xmlStr API返回的XML格式数据* @return Map类型数据* @throws Exception*/public Map<String, String> processResponseXml(String xmlStr) throws Exception {String RETURN_CODE = "return_code";String return_code;Map<String, String> respData = WXPayUtil.xmlToMap(xmlStr);if (respData.containsKey(RETURN_CODE)) {return_code = respData.get(RETURN_CODE);}else {throw new Exception(String.format("No `return_code` in XML: %s", xmlStr));}if (return_code.equals(WXPayConstants.FAIL)) {return respData;}else if (return_code.equals(WXPayConstants.SUCCESS)) {if (this.isResponseSignatureValid(respData)) {return respData;}else {throw new Exception(String.format("Invalid sign value in XML: %s", xmlStr));}}else {throw new Exception(String.format("return_code value %s is invalid in XML: %s", return_code, xmlStr));}}/*** 作用：提交刷卡支付<br>* 场景：刷卡支付* @param reqData 向wxpay post的请求数据* @return API返回数据* @throws Exception*/public Map<String, String> microPay(Map<String, String> reqData) throws Exception {return this.microPay(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());}/*** 作用：提交刷卡支付<br>* 场景：刷卡支付* @param reqData 向wxpay post的请求数据* @param connectTimeoutMs 连接超时时间，单位是毫秒* @param readTimeoutMs 读超时时间，单位是毫秒* @return API返回数据* @throws Exception*/public Map<String, String> microPay(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {String url;if (this.useSandbox) {url = WXPayConstants.SANDBOX_MICROPAY_URL_SUFFIX;}else {url = WXPayConstants.MICROPAY_URL_SUFFIX;}String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);return this.processResponseXml(respXml);}/*** 提交刷卡支付，针对软POS，尽可能做成功* 内置重试机制，最多60s* @param reqData* @return* @throws Exception*/public Map<String, String> microPayWithPos(Map<String, String> reqData) throws Exception {return this.microPayWithPos(reqData, this.config.getHttpConnectTimeoutMs());}/*** 提交刷卡支付，针对软POS，尽可能做成功* 内置重试机制，最多60s* @param reqData* @param connectTimeoutMs* @return* @throws Exception*/public Map<String, String> microPayWithPos(Map<String, String> reqData, int connectTimeoutMs) throws Exception {int remainingTimeMs = 60*1000;long startTimestampMs = 0;Map<String, String> lastResult = null;Exception lastException = null;while (true) {startTimestampMs = WXPayUtil.getCurrentTimestampMs();int readTimeoutMs = remainingTimeMs - connectTimeoutMs;if (readTimeoutMs > 1000) {try {lastResult = this.microPay(reqData, connectTimeoutMs, readTimeoutMs);String returnCode = lastResult.get("return_code");if (returnCode.equals("SUCCESS")) {String resultCode = lastResult.get("result_code");String errCode = lastResult.get("err_code");if (resultCode.equals("SUCCESS")) {break;}else {// 看错误码，若支付结果未知，则重试提交刷卡支付if (errCode.equals("SYSTEMERROR") || errCode.equals("BANKERROR") || errCode.equals("USERPAYING")) {remainingTimeMs = remainingTimeMs - (int)(WXPayUtil.getCurrentTimestampMs() - startTimestampMs);if (remainingTimeMs <= 100) {break;}else {WXPayUtil.getLogger().info("microPayWithPos: try micropay again");if (remainingTimeMs > 5*1000) {Thread.sleep(5*1000);}else {Thread.sleep(1*1000);}continue;}}else {break;}}}else {break;}}catch (Exception ex) {lastResult = null;lastException = ex;}}else {break;}}if (lastResult == null) {throw lastException;}else {return lastResult;}}/*** 作用：统一下单<br>* 场景：公共号支付、扫码支付、APP支付* @param reqData 向wxpay post的请求数据* @return API返回数据* @throws Exception*/public Map<String, String> unifiedOrder(Map<String, String> reqData) throws Exception {return this.unifiedOrder(reqData, config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());}/*** 作用：统一下单<br>* 场景：公共号支付、扫码支付、APP支付* @param reqData 向wxpay post的请求数据* @param connectTimeoutMs 连接超时时间，单位是毫秒* @param readTimeoutMs 读超时时间，单位是毫秒* @return API返回数据* @throws Exception*/public Map<String, String> unifiedOrder(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {String url;if (this.useSandbox) {url = WXPayConstants.SANDBOX_UNIFIEDORDER_URL_SUFFIX;}else {url = WXPayConstants.UNIFIEDORDER_URL_SUFFIX;}if(this.notifyUrl != null) {reqData.put("notify_url", this.notifyUrl);}String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);return this.processResponseXml(respXml);}/*** 作用：查询订单<br>* 场景：刷卡支付、公共号支付、扫码支付、APP支付* @param reqData 向wxpay post的请求数据* @return API返回数据* @throws Exception*/public Map<String, String> orderQuery(Map<String, String> reqData) throws Exception {return this.orderQuery(reqData, config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());}/*** 作用：查询订单<br>* 场景：刷卡支付、公共号支付、扫码支付、APP支付* @param reqData 向wxpay post的请求数据 int* @param connectTimeoutMs 连接超时时间，单位是毫秒* @param readTimeoutMs 读超时时间，单位是毫秒* @return API返回数据* @throws Exception*/public Map<String, String> orderQuery(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {String url;if (this.useSandbox) {url = WXPayConstants.SANDBOX_ORDERQUERY_URL_SUFFIX;}else {url = WXPayConstants.ORDERQUERY_URL_SUFFIX;}String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);return this.processResponseXml(respXml);}/*** 作用：撤销订单<br>* 场景：刷卡支付* @param reqData 向wxpay post的请求数据* @return API返回数据* @throws Exception*/public Map<String, String> reverse(Map<String, String> reqData) throws Exception {return this.reverse(reqData, config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());}/*** 作用：撤销订单<br>* 场景：刷卡支付<br>* 其他：需要证书* @param reqData 向wxpay post的请求数据* @param connectTimeoutMs 连接超时时间，单位是毫秒* @param readTimeoutMs 读超时时间，单位是毫秒* @return API返回数据* @throws Exception*/public Map<String, String> reverse(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {String url;if (this.useSandbox) {url = WXPayConstants.SANDBOX_REVERSE_URL_SUFFIX;}else {url = WXPayConstants.REVERSE_URL_SUFFIX;}String respXml = this.requestWithCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);return this.processResponseXml(respXml);}/*** 作用：关闭订单<br>* 场景：公共号支付、扫码支付、APP支付* @param reqData 向wxpay post的请求数据* @return API返回数据* @throws Exception*/public Map<String, String> closeOrder(Map<String, String> reqData) throws Exception {return this.closeOrder(reqData, config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());}/*** 作用：关闭订单<br>* 场景：公共号支付、扫码支付、APP支付* @param reqData 向wxpay post的请求数据* @param connectTimeoutMs 连接超时时间，单位是毫秒* @param readTimeoutMs 读超时时间，单位是毫秒* @return API返回数据* @throws Exception*/public Map<String, String> closeOrder(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {String url;if (this.useSandbox) {url = WXPayConstants.SANDBOX_CLOSEORDER_URL_SUFFIX;}else {url = WXPayConstants.CLOSEORDER_URL_SUFFIX;}String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);return this.processResponseXml(respXml);}/*** 作用：申请退款<br>* 场景：刷卡支付、公共号支付、扫码支付、APP支付* @param reqData 向wxpay post的请求数据* @return API返回数据* @throws Exception*/public Map<String, String> refund(Map<String, String> reqData) throws Exception {return this.refund(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());}/*** 作用：申请退款<br>* 场景：刷卡支付、公共号支付、扫码支付、APP支付<br>* 其他：需要证书* @param reqData 向wxpay post的请求数据* @param connectTimeoutMs 连接超时时间，单位是毫秒* @param readTimeoutMs 读超时时间，单位是毫秒* @return API返回数据* @throws Exception*/public Map<String, String> refund(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {String url;if (this.useSandbox) {url = WXPayConstants.SANDBOX_REFUND_URL_SUFFIX;}else {url = WXPayConstants.REFUND_URL_SUFFIX;}String respXml = this.requestWithCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);return this.processResponseXml(respXml);}/*** 作用：退款查询<br>* 场景：刷卡支付、公共号支付、扫码支付、APP支付* @param reqData 向wxpay post的请求数据* @return API返回数据* @throws Exception*/public Map<String, String> refundQuery(Map<String, String> reqData) throws Exception {return this.refundQuery(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());}/*** 作用：退款查询<br>* 场景：刷卡支付、公共号支付、扫码支付、APP支付* @param reqData 向wxpay post的请求数据* @param connectTimeoutMs 连接超时时间，单位是毫秒* @param readTimeoutMs 读超时时间，单位是毫秒* @return API返回数据* @throws Exception*/public Map<String, String> refundQuery(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {String url;if (this.useSandbox) {url = WXPayConstants.SANDBOX_REFUNDQUERY_URL_SUFFIX;}else {url = WXPayConstants.REFUNDQUERY_URL_SUFFIX;}String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);return this.processResponseXml(respXml);}/*** 作用：对账单下载（成功时返回对账单数据，失败时返回XML格式数据）<br>* 场景：刷卡支付、公共号支付、扫码支付、APP支付* @param reqData 向wxpay post的请求数据* @return API返回数据* @throws Exception*/public Map<String, String> downloadBill(Map<String, String> reqData) throws Exception {return this.downloadBill(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());}/*** 作用：对账单下载<br>* 场景：刷卡支付、公共号支付、扫码支付、APP支付<br>* 其他：无论是否成功都返回Map。若成功，返回的Map中含有return_code、return_msg、data，*其中return_code为`SUCCESS`，data为对账单数据。* @param reqData 向wxpay post的请求数据* @param connectTimeoutMs 连接超时时间，单位是毫秒* @param readTimeoutMs 读超时时间，单位是毫秒* @return 经过封装的API返回数据* @throws Exception*/public Map<String, String> downloadBill(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {String url;if (this.useSandbox) {url = WXPayConstants.SANDBOX_DOWNLOADBILL_URL_SUFFIX;}else {url = WXPayConstants.DOWNLOADBILL_URL_SUFFIX;}String respStr = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs).trim();Map<String, String> ret;// 出现错误，返回XML数据if (respStr.indexOf("<") == 0) {ret = WXPayUtil.xmlToMap(respStr);}else {// 正常返回csv数据ret = new HashMap<String, String>();ret.put("return_code", WXPayConstants.SUCCESS);ret.put("return_msg", "ok");ret.put("data", respStr);}return ret;}/*** 作用：交易保障<br>* 场景：刷卡支付、公共号支付、扫码支付、APP支付* @param reqData 向wxpay post的请求数据* @return API返回数据* @throws Exception*/public Map<String, String> report(Map<String, String> reqData) throws Exception {return this.report(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());}/*** 作用：交易保障<br>* 场景：刷卡支付、公共号支付、扫码支付、APP支付* @param reqData 向wxpay post的请求数据* @param connectTimeoutMs 连接超时时间，单位是毫秒* @param readTimeoutMs 读超时时间，单位是毫秒* @return API返回数据* @throws Exception*/public Map<String, String> report(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {String url;if (this.useSandbox) {url = WXPayConstants.SANDBOX_REPORT_URL_SUFFIX;}else {url = WXPayConstants.REPORT_URL_SUFFIX;}String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);return WXPayUtil.xmlToMap(respXml);}/*** 作用：转换短链接<br>* 场景：刷卡支付、扫码支付* @param reqData 向wxpay post的请求数据* @return API返回数据* @throws Exception*/public Map<String, String> shortUrl(Map<String, String> reqData) throws Exception {return this.shortUrl(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());}/*** 作用：转换短链接<br>* 场景：刷卡支付、扫码支付* @param reqData 向wxpay post的请求数据* @return API返回数据* @throws Exception*/public Map<String, String> shortUrl(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {String url;if (this.useSandbox) {url = WXPayConstants.SANDBOX_SHORTURL_URL_SUFFIX;}else {url = WXPayConstants.SHORTURL_URL_SUFFIX;}String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);return this.processResponseXml(respXml);}/*** 作用：授权码查询OPENID接口<br>* 场景：刷卡支付* @param reqData 向wxpay post的请求数据* @return API返回数据* @throws Exception*/public Map<String, String> authCodeToOpenid(Map<String, String> reqData) throws Exception {return this.authCodeToOpenid(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());}/*** 作用：授权码查询OPENID接口<br>* 场景：刷卡支付* @param reqData 向wxpay post的请求数据* @param connectTimeoutMs 连接超时时间，单位是毫秒* @param readTimeoutMs 读超时时间，单位是毫秒* @return API返回数据* @throws Exception*/public Map<String, String> authCodeToOpenid(Map<String, String> reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {String url;if (this.useSandbox) {url = WXPayConstants.SANDBOX_AUTHCODETOOPENID_URL_SUFFIX;}else {url = WXPayConstants.AUTHCODETOOPENID_URL_SUFFIX;}String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);return this.processResponseXml(respXml);}} // end class

WXPayConfig

package com.guangyi.project.utils.WXPayUtil;import java.io.InputStream;public abstract class WXPayConfig {/*** 获取 App ID** @return App ID*/abstract String getAppID();/*** 获取 Mch ID** @return Mch ID*/abstract String getMchID();/*** 获取 API 密钥** @return API密钥*/abstract String getKey();/*** 获取商户证书内容** @return 商户证书内容*/abstract InputStream getCertStream();/*** HTTP(S) 连接超时时间，单位毫秒** @return*/public int getHttpConnectTimeoutMs() {return 6*1000;}/*** HTTP(S) 读数据超时时间，单位毫秒** @return*/public int getHttpReadTimeoutMs() {return 8*1000;}/*** 获取WXPayDomain, 用于多域名容灾自动切换* @return*/abstract IWXPayDomain getWXPayDomain();/*** 是否自动上报。* 若要关闭自动上报，子类中实现该函数返回 false 即可。** @return*/public boolean shouldAutoReport() {return true;}/*** 进行健康上报的线程的数量** @return*/public int getReportWorkerNum() {return 6;}/*** 健康上报缓存消息的最大数量。会有线程去独立上报* 粗略计算：加入一条消息200B，10000消息占用空间 2000 KB，约为2MB，可以接受** @return*/public int getReportQueueMaxSize() {return 10000;}/*** 批量上报，一次最多上报多个数据** @return*/public int getReportBatchSize() {return 10;}}

WxPayConfigImpl

package com.guangyi.project.utils.WXPayUtil;import com.guangyi.project.config.Constant;import com.guangyi.project.utils.FileUtils;import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.io.FileInputStream;import java.io.InputStream;public class WxPayConfigImpl extends WXPayConfig {public static String url = "你设置的回调接口";private static WxPayConfigImpl wxPayConfig;private byte[] certData = null;public static WxPayConfigImpl getInstance() {if (wxPayConfig == null) {synchronized (WxPayConfigImpl.class) {wxPayConfig = new WxPayConfigImpl();}}return wxPayConfig;}public WxPayConfigImpl() {try {//这个证书的位置不是瞎鸡儿填的，你要在这个路径真的有一个证书InputStream is = new FileInputStream(FileUtils.getResourcesPath()+"refund_certificate/apiclient_cert.p12");ByteArrayOutputStream baos = new ByteArrayOutputStream();byte[] bs = new byte[1024];int cnt = -1;while ((cnt = is.read(bs)) != -1) {baos.write(bs, 0, cnt);}is.close();certData = baos.toByteArray();} catch (Exception e) {e.printStackTrace();}}@Overridepublic String getAppID() {return Constant.WX_LOGIN_APPID;}@Overridepublic String getMchID() {return Constant.MCH_ID;}@Overridepublic String getKey() {return Constant.PATERNER_KEY;}@Overridepublic InputStream getCertStream() {ByteArrayInputStream certBis;certBis = new ByteArrayInputStream(this.certData);return certBis;}@Overridepublic int getHttpConnectTimeoutMs() {// TODO Auto-generated method stubreturn 8000;}@Overridepublic int getHttpReadTimeoutMs() {// TODO Auto-generated method stubreturn 10000;}@Overridepublic IWXPayDomain getWXPayDomain() {// 这个方法需要这样实现, 否则无法正常初始化WXPayIWXPayDomain iwxPayDomain = new IWXPayDomain() {@Overridepublic void report(String domain, long elapsedTimeMillis, Exception ex) {}@Overridepublic DomainInfo getDomain(WXPayConfig config) {return new IWXPayDomain.DomainInfo(WXPayConstants.DOMAIN_API, true);}};return iwxPayDomain;}public String getPrimaryDomain() {return WXPayConstants.DOMAIN_API;}public String getNotifyUrl(){return url;}}

WXPayConstants

package com.guangyi.project.utils.WXPayUtil;import org.apache.http.client.HttpClient;/*** 常量*/public class WXPayConstants {public enum SignType {MD5, HMACSHA256}public static final String DOMAIN_API = "api.mch.";public static final String DOMAIN_API2 = "api2.mch.";public static final String DOMAIN_APIHK = "apihk.mch.";public static final String DOMAIN_APIUS = "apius.mch.";public static final String FAIL= "FAIL";public static final String SUCCESS = "SUCCESS";public static final String HMACSHA256 = "HMAC-SHA256";public static final String MD5 = "MD5";public static final String FIELD_SIGN = "sign";public static final String FIELD_SIGN_TYPE = "sign_type";public static final String WXPAYSDK_VERSION = "WXPaySDK/3.0.9";public static final String USER_AGENT = WXPAYSDK_VERSION +" (" + System.getProperty("os.arch") + " " + System.getProperty("os.name") + " " + System.getProperty("os.version") +") Java/" + System.getProperty("java.version") + " HttpClient/" + HttpClient.class.getPackage().getImplementationVersion();public static final String MICROPAY_URL_SUFFIX= "/pay/micropay";public static final String UNIFIEDORDER_URL_SUFFIX = "/pay/unifiedorder";public static final String ORDERQUERY_URL_SUFFIX = "/pay/orderquery";public static final String REVERSE_URL_SUFFIX= "/secapi/pay/reverse";public static final String CLOSEORDER_URL_SUFFIX = "/pay/closeorder";public static final String REFUND_URL_SUFFIX = "/secapi/pay/refund";public static final String REFUNDQUERY_URL_SUFFIX = "/pay/refundquery";public static final String DOWNLOADBILL_URL_SUFFIX = "/pay/downloadbill";public static final String REPORT_URL_SUFFIX = "/payitil/report";public static final String SHORTURL_URL_SUFFIX= "/tools/shorturl";public static final String AUTHCODETOOPENID_URL_SUFFIX = "/tools/authcodetoopenid";// sandboxpublic static final String SANDBOX_MICROPAY_URL_SUFFIX= "/sandboxnew/pay/micropay";public static final String SANDBOX_UNIFIEDORDER_URL_SUFFIX = "/sandboxnew/pay/unifiedorder";public static final String SANDBOX_ORDERQUERY_URL_SUFFIX = "/sandboxnew/pay/orderquery";public static final String SANDBOX_REVERSE_URL_SUFFIX= "/sandboxnew/secapi/pay/reverse";public static final String SANDBOX_CLOSEORDER_URL_SUFFIX = "/sandboxnew/pay/closeorder";public static final String SANDBOX_REFUND_URL_SUFFIX = "/sandboxnew/secapi/pay/refund";public static final String SANDBOX_REFUNDQUERY_URL_SUFFIX = "/sandboxnew/pay/refundquery";public static final String SANDBOX_DOWNLOADBILL_URL_SUFFIX = "/sandboxnew/pay/downloadbill";public static final String SANDBOX_REPORT_URL_SUFFIX = "/sandboxnew/payitil/report";public static final String SANDBOX_SHORTURL_URL_SUFFIX= "/sandboxnew/tools/shorturl";public static final String SANDBOX_AUTHCODETOOPENID_URL_SUFFIX = "/sandboxnew/tools/authcodetoopenid";}

WXPayReport

package com.guangyi.project.utils.WXPayUtil;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.apache.http.client.HttpClient;import org.apache.http.client.config.RequestConfig;import org.apache.http.client.methods.HttpPost;import org.apache.http.config.RegistryBuilder;import org.apache.http.conn.socket.ConnectionSocketFactory;import org.apache.http.conn.socket.PlainConnectionSocketFactory;import org.apache.http.conn.ssl.SSLConnectionSocketFactory;import org.apache.http.entity.StringEntity;import org.apache.http.impl.client.HttpClientBuilder;import org.apache.http.impl.conn.BasicHttpClientConnectionManager;import org.apache.http.util.EntityUtils;import java.util.concurrent.ExecutorService;import java.util.concurrent.Executors;import java.util.concurrent.LinkedBlockingQueue;import java.util.concurrent.ThreadFactory;/*** 交易保障*/public class WXPayReport {public static class ReportInfo {/*** 布尔变量使用int。0为false， 1为true。*/// 基本信息private String version = "v1";private String sdk = WXPayConstants.WXPAYSDK_VERSION;private String uuid; // 交易的标识private long timestamp; // 上报时的时间戳，单位秒private long elapsedTimeMillis; // 耗时，单位 毫秒// 针对主域名private String firstDomain; // 第1次请求的域名private boolean primaryDomain; //是否主域名private int firstConnectTimeoutMillis; // 第1次请求设置的连接超时时间，单位 毫秒private int firstReadTimeoutMillis; // 第1次请求设置的读写超时时间，单位 毫秒private int firstHasDnsError; // 第1次请求是否出现dns问题private int firstHasConnectTimeout; // 第1次请求是否出现连接超时private int firstHasReadTimeout; // 第1次请求是否出现连接超时public ReportInfo(String uuid, long timestamp, long elapsedTimeMillis, String firstDomain, boolean primaryDomain, int firstConnectTimeoutMillis, int firstReadTimeoutMillis, boolean firstHasDnsError, boolean firstHasConnectTimeout, boolean firstHasReadTimeout) {this.uuid = uuid;this.timestamp = timestamp;this.elapsedTimeMillis = elapsedTimeMillis;this.firstDomain = firstDomain;this.primaryDomain = primaryDomain;this.firstConnectTimeoutMillis = firstConnectTimeoutMillis;this.firstReadTimeoutMillis = firstReadTimeoutMillis;this.firstHasDnsError = firstHasDnsError?1:0;this.firstHasConnectTimeout = firstHasConnectTimeout?1:0;this.firstHasReadTimeout = firstHasReadTimeout?1:0;}@Overridepublic String toString() {return "ReportInfo{" +"version='" + version + '\'' +", sdk='" + sdk + '\'' +", uuid='" + uuid + '\'' +", timestamp=" + timestamp +", elapsedTimeMillis=" + elapsedTimeMillis +", firstDomain='" + firstDomain + '\'' +", primaryDomain=" + primaryDomain +", firstConnectTimeoutMillis=" + firstConnectTimeoutMillis +", firstReadTimeoutMillis=" + firstReadTimeoutMillis +", firstHasDnsError=" + firstHasDnsError +", firstHasConnectTimeout=" + firstHasConnectTimeout +", firstHasReadTimeout=" + firstHasReadTimeout +'}';}/*** 转换成 csv 格式** @return*/public String toLineString(String key) {String separator = ",";Object[] objects = new Object[] {version, sdk, uuid, timestamp, elapsedTimeMillis,firstDomain, primaryDomain, firstConnectTimeoutMillis, firstReadTimeoutMillis,firstHasDnsError, firstHasConnectTimeout, firstHasReadTimeout};StringBuffer sb = new StringBuffer();for(Object obj: objects) {sb.append(obj).append(separator);}try {String sign = WXPayUtil.HMACSHA256(sb.toString(), key);sb.append(sign);return sb.toString();}catch (Exception ex) {return null;}}}private static final String REPORT_URL = "http://report.mch./wxpay/report/default";// private static final String REPORT_URL = "http://127.0.0.1:5000/test";private static final int DEFAULT_CONNECT_TIMEOUT_MS = 6*1000;private static final int DEFAULT_READ_TIMEOUT_MS = 8*1000;private LinkedBlockingQueue<String> reportMsgQueue = null;private WXPayConfig config;private ExecutorService executorService;private volatile static WXPayReport INSTANCE;private WXPayReport(final WXPayConfig config) {this.config = config;reportMsgQueue = new LinkedBlockingQueue<String>(config.getReportQueueMaxSize());// 添加处理线程executorService = Executors.newFixedThreadPool(config.getReportWorkerNum(), new ThreadFactory() {public Thread newThread(Runnable r) {Thread t = Executors.defaultThreadFactory().newThread(r);t.setDaemon(true);return t;}});if (config.shouldAutoReport()) {WXPayUtil.getLogger().info("report worker num: {}", config.getReportWorkerNum());for (int i = 0; i < config.getReportWorkerNum(); ++i) {executorService.execute(new Runnable() {public void run() {while (true) {// 先用 take 获取数据try {StringBuffer sb = new StringBuffer();String firstMsg = reportMsgQueue.take();WXPayUtil.getLogger().info("get first report msg: {}", firstMsg);String msg = null;sb.append(firstMsg); //会阻塞至有消息int remainNum = config.getReportBatchSize() - 1;for (int j=0; j<remainNum; ++j) {WXPayUtil.getLogger().info("try get remain report msg");// msg = reportMsgQueue.poll(); // 不阻塞了msg = reportMsgQueue.take();WXPayUtil.getLogger().info("get remain report msg: {}", msg);if (msg == null) {break;}else {sb.append("\n");sb.append(msg);}}// 上报WXPayReport.httpRequest(sb.toString(), DEFAULT_CONNECT_TIMEOUT_MS, DEFAULT_READ_TIMEOUT_MS);}catch (Exception ex) {WXPayUtil.getLogger().warn("report fail. reason: {}", ex.getMessage());}}}});}}}/*** 单例，双重校验，请在 JDK 1.5及更高版本中使用** @param config* @return*/public static WXPayReport getInstance(WXPayConfig config) {if (INSTANCE == null) {synchronized (WXPayReport.class) {if (INSTANCE == null) {INSTANCE = new WXPayReport(config);}}}return INSTANCE;}public void report(String uuid, long elapsedTimeMillis,String firstDomain, boolean primaryDomain, int firstConnectTimeoutMillis, int firstReadTimeoutMillis,boolean firstHasDnsError, boolean firstHasConnectTimeout, boolean firstHasReadTimeout) {long currentTimestamp = WXPayUtil.getCurrentTimestamp();ReportInfo reportInfo = new ReportInfo(uuid, currentTimestamp, elapsedTimeMillis,firstDomain, primaryDomain, firstConnectTimeoutMillis, firstReadTimeoutMillis,firstHasDnsError, firstHasConnectTimeout, firstHasReadTimeout);String data = reportInfo.toLineString(config.getKey());WXPayUtil.getLogger().info("report {}", data);if (data != null) {reportMsgQueue.offer(data);}}@Deprecatedprivate void reportSync(final String data) throws Exception {httpRequest(data, DEFAULT_CONNECT_TIMEOUT_MS, DEFAULT_READ_TIMEOUT_MS);}@Deprecatedprivate void reportAsync(final String data) throws Exception {new Thread(new Runnable() {public void run() {try {httpRequest(data, DEFAULT_CONNECT_TIMEOUT_MS, DEFAULT_READ_TIMEOUT_MS);}catch (Exception ex) {WXPayUtil.getLogger().warn("report fail. reason: {}", ex.getMessage());}}}).start();}/*** http 请求* @param data* @param connectTimeoutMs* @param readTimeoutMs* @return* @throws Exception*/private static String httpRequest(String data, int connectTimeoutMs, int readTimeoutMs) throws Exception{BasicHttpClientConnectionManager connManager;connManager = new BasicHttpClientConnectionManager(RegistryBuilder.<ConnectionSocketFactory>create().register("http", PlainConnectionSocketFactory.getSocketFactory()).register("https", SSLConnectionSocketFactory.getSocketFactory()).build(),null,null,null);HttpClient httpClient = HttpClientBuilder.create().setConnectionManager(connManager).build();HttpPost httpPost = new HttpPost(REPORT_URL);RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(readTimeoutMs).setConnectTimeout(connectTimeoutMs).build();httpPost.setConfig(requestConfig);StringEntity postEntity = new StringEntity(data, "UTF-8");httpPost.addHeader("Content-Type", "text/xml");httpPost.addHeader("User-Agent", WXPayConstants.USER_AGENT);httpPost.setEntity(postEntity);HttpResponse httpResponse = httpClient.execute(httpPost);HttpEntity httpEntity = httpResponse.getEntity();return EntityUtils.toString(httpEntity, "UTF-8");}}

WXPayRequest

package com.guangyi.project.utils.WXPayUtil;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.apache.http.client.HttpClient;import org.apache.http.client.config.RequestConfig;import org.apache.http.client.methods.HttpPost;import org.apache.http.config.RegistryBuilder;import org.apache.http.conn.ConnectTimeoutException;import org.apache.http.conn.socket.ConnectionSocketFactory;import org.apache.http.conn.socket.PlainConnectionSocketFactory;import org.apache.http.conn.ssl.DefaultHostnameVerifier;import org.apache.http.conn.ssl.SSLConnectionSocketFactory;import org.apache.http.entity.StringEntity;import org.apache.http.impl.client.HttpClientBuilder;import org.apache.http.impl.conn.BasicHttpClientConnectionManager;import org.apache.http.util.EntityUtils;import .ssl.KeyManagerFactory;import .ssl.SSLContext;import java.io.InputStream;import .SocketTimeoutException;import .UnknownHostException;import java.security.KeyStore;import java.security.SecureRandom;import static com.guangyi.project.utils.WXPayUtil.WXPayConstants.USER_AGENT;public class WXPayRequest {private WXPayConfig config;public WXPayRequest(WXPayConfig config) throws Exception{this.config = config;}/*** 请求，只请求一次，不做重试* @param domain* @param urlSuffix* @param uuid* @param data* @param connectTimeoutMs* @param readTimeoutMs* @param useCert 是否使用证书，针对退款、撤销等操作* @return* @throws Exception*/private String requestOnce(final String domain, String urlSuffix, String uuid, String data, int connectTimeoutMs, int readTimeoutMs, boolean useCert) throws Exception {BasicHttpClientConnectionManager connManager;if (useCert) {// 证书char[] password = config.getMchID().toCharArray();InputStream certStream = config.getCertStream();KeyStore ks = KeyStore.getInstance("PKCS12");ks.load(certStream, password);// 实例化密钥库 & 初始化密钥工厂KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());kmf.init(ks, password);// 创建 SSLContextSSLContext sslContext = SSLContext.getInstance("TLS");sslContext.init(kmf.getKeyManagers(), null, new SecureRandom());SSLConnectionSocketFactory sslConnectionSocketFactory = new SSLConnectionSocketFactory(sslContext,new String[]{"TLSv1"},null,new DefaultHostnameVerifier());connManager = new BasicHttpClientConnectionManager(RegistryBuilder.<ConnectionSocketFactory>create().register("http", PlainConnectionSocketFactory.getSocketFactory()).register("https", sslConnectionSocketFactory).build(),null,null,null);}else {connManager = new BasicHttpClientConnectionManager(RegistryBuilder.<ConnectionSocketFactory>create().register("http", PlainConnectionSocketFactory.getSocketFactory()).register("https", SSLConnectionSocketFactory.getSocketFactory()).build(),null,null,null);}HttpClient httpClient = HttpClientBuilder.create().setConnectionManager(connManager).build();String url = "https://" + domain + urlSuffix;HttpPost httpPost = new HttpPost(url);RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(readTimeoutMs).setConnectTimeout(connectTimeoutMs).build();httpPost.setConfig(requestConfig);StringEntity postEntity = new StringEntity(data, "UTF-8");httpPost.addHeader("Content-Type", "text/xml");httpPost.addHeader("User-Agent", USER_AGENT + " " + config.getMchID());httpPost.setEntity(postEntity);HttpResponse httpResponse = httpClient.execute(httpPost);HttpEntity httpEntity = httpResponse.getEntity();return EntityUtils.toString(httpEntity, "UTF-8");}private String request(String urlSuffix, String uuid, String data, int connectTimeoutMs, int readTimeoutMs, boolean useCert, boolean autoReport) throws Exception {Exception exception = null;long elapsedTimeMillis = 0;long startTimestampMs = WXPayUtil.getCurrentTimestampMs();boolean firstHasDnsErr = false;boolean firstHasConnectTimeout = false;boolean firstHasReadTimeout = false;IWXPayDomain.DomainInfo domainInfo = config.getWXPayDomain().getDomain(config);if(domainInfo == null){throw new Exception("WXPayConfig.getWXPayDomain().getDomain() is empty or null");}try {String result = requestOnce(domainInfo.domain, urlSuffix, uuid, data, connectTimeoutMs, readTimeoutMs, useCert);elapsedTimeMillis = WXPayUtil.getCurrentTimestampMs()-startTimestampMs;config.getWXPayDomain().report(domainInfo.domain, elapsedTimeMillis, null);WXPayReport.getInstance(config).report(uuid,elapsedTimeMillis,domainInfo.domain,domainInfo.primaryDomain,connectTimeoutMs,readTimeoutMs,firstHasDnsErr,firstHasConnectTimeout,firstHasReadTimeout);return result;}catch (UnknownHostException ex) {// dns 解析错误，或域名不存在exception = ex;firstHasDnsErr = true;elapsedTimeMillis = WXPayUtil.getCurrentTimestampMs()-startTimestampMs;WXPayUtil.getLogger().warn("UnknownHostException for domainInfo {}", domainInfo);WXPayReport.getInstance(config).report(uuid,elapsedTimeMillis,domainInfo.domain,domainInfo.primaryDomain,connectTimeoutMs,readTimeoutMs,firstHasDnsErr,firstHasConnectTimeout,firstHasReadTimeout);}catch (ConnectTimeoutException ex) {exception = ex;firstHasConnectTimeout = true;elapsedTimeMillis = WXPayUtil.getCurrentTimestampMs()-startTimestampMs;WXPayUtil.getLogger().warn("connect timeout happened for domainInfo {}", domainInfo);WXPayReport.getInstance(config).report(uuid,elapsedTimeMillis,domainInfo.domain,domainInfo.primaryDomain,connectTimeoutMs,readTimeoutMs,firstHasDnsErr,firstHasConnectTimeout,firstHasReadTimeout);}catch (SocketTimeoutException ex) {exception = ex;firstHasReadTimeout = true;elapsedTimeMillis = WXPayUtil.getCurrentTimestampMs()-startTimestampMs;WXPayUtil.getLogger().warn("timeout happened for domainInfo {}", domainInfo);WXPayReport.getInstance(config).report(uuid,elapsedTimeMillis,domainInfo.domain,domainInfo.primaryDomain,connectTimeoutMs,readTimeoutMs,firstHasDnsErr,firstHasConnectTimeout,firstHasReadTimeout);}catch (Exception ex) {exception = ex;elapsedTimeMillis = WXPayUtil.getCurrentTimestampMs()-startTimestampMs;WXPayReport.getInstance(config).report(uuid,elapsedTimeMillis,domainInfo.domain,domainInfo.primaryDomain,connectTimeoutMs,readTimeoutMs,firstHasDnsErr,firstHasConnectTimeout,firstHasReadTimeout);}config.getWXPayDomain().report(domainInfo.domain, elapsedTimeMillis, exception);throw exception;}/*** 可重试的，非双向认证的请求* @param urlSuffix* @param uuid* @param data* @return*/public String requestWithoutCert(String urlSuffix, String uuid, String data, boolean autoReport) throws Exception {return this.request(urlSuffix, uuid, data, config.getHttpConnectTimeoutMs(), config.getHttpReadTimeoutMs(), false, autoReport);}/*** 可重试的，非双向认证的请求* @param urlSuffix* @param uuid* @param data* @param connectTimeoutMs* @param readTimeoutMs* @return*/public String requestWithoutCert(String urlSuffix, String uuid, String data, int connectTimeoutMs, int readTimeoutMs, boolean autoReport) throws Exception {return this.request(urlSuffix, uuid, data, connectTimeoutMs, readTimeoutMs, false, autoReport);}/*** 可重试的，双向认证的请求* @param urlSuffix* @param uuid* @param data* @return*/public String requestWithCert(String urlSuffix, String uuid, String data, boolean autoReport) throws Exception {return this.request(urlSuffix, uuid, data, config.getHttpConnectTimeoutMs(), config.getHttpReadTimeoutMs(), true, autoReport);}/*** 可重试的，双向认证的请求* @param urlSuffix* @param uuid* @param data* @param connectTimeoutMs* @param readTimeoutMs* @return*/public String requestWithCert(String urlSuffix, String uuid, String data, int connectTimeoutMs, int readTimeoutMs, boolean autoReport) throws Exception {return this.request(urlSuffix, uuid, data, connectTimeoutMs, readTimeoutMs, true, autoReport);}}

WXPayUtil

package com.guangyi.project.utils.WXPayUtil;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.w3c.dom.Node;import org.w3c.dom.NodeList;import javax.crypto.Mac;import javax.crypto.spec.SecretKeySpec;import javax.xml.parsers.DocumentBuilder;import javax.xml.transform.OutputKeys;import javax.xml.transform.Transformer;import javax.xml.transform.TransformerFactory;import javax.xml.transform.dom.DOMSource;import javax.xml.transform.stream.StreamResult;import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.io.InputStream;import java.io.StringWriter;import java.security.MessageDigest;import java.security.SecureRandom;import java.util.*;public class WXPayUtil {private static final String SYMBOLS = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";private static final Random RANDOM = new SecureRandom();/*** XML格式字符串转换为Map** @param strXML XML字符串* @return XML数据转换后的Map* @throws Exception*/public static Map<String, String> xmlToMap(String strXML) throws Exception {try {Map<String, String> data = new HashMap<String, String>();DocumentBuilder documentBuilder = WXPayXmlUtil.newDocumentBuilder();InputStream stream = new ByteArrayInputStream(strXML.getBytes("UTF-8"));org.w3c.dom.Document doc = documentBuilder.parse(stream);doc.getDocumentElement().normalize();NodeList nodeList = doc.getDocumentElement().getChildNodes();for (int idx = 0; idx < nodeList.getLength(); ++idx) {Node node = nodeList.item(idx);if (node.getNodeType() == Node.ELEMENT_NODE) {org.w3c.dom.Element element = (org.w3c.dom.Element) node;data.put(element.getNodeName(), element.getTextContent());}}try {stream.close();} catch (Exception ex) {// do nothing}return data;} catch (Exception ex) {WXPayUtil.getLogger().warn("Invalid XML, can not convert to map. Error message: {}. XML content: {}", ex.getMessage(), strXML);throw ex;}}/*** 将Map转换为XML格式的字符串** @param data Map类型数据* @return XML格式的字符串* @throws Exception*/public static String mapToXml(Map<String, String> data) throws Exception {org.w3c.dom.Document document = WXPayXmlUtil.newDocument();org.w3c.dom.Element root = document.createElement("xml");document.appendChild(root);for (String key: data.keySet()) {String value = data.get(key);if (value == null) {value = "";}value = value.trim();org.w3c.dom.Element filed = document.createElement(key);filed.appendChild(document.createTextNode(value));root.appendChild(filed);}TransformerFactory tf = TransformerFactory.newInstance();Transformer transformer = tf.newTransformer();DOMSource source = new DOMSource(document);transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");transformer.setOutputProperty(OutputKeys.INDENT, "yes");StringWriter writer = new StringWriter();StreamResult result = new StreamResult(writer);transformer.transform(source, result);String output = writer.getBuffer().toString(); //.replaceAll("\n|\r", "");try {writer.close();}catch (Exception ex) {}return output;}/*** 生成带有 sign 的 XML 格式字符串** @param data Map类型数据* @param key API密钥* @return 含有sign字段的XML*/public static String generateSignedXml(final Map<String, String> data, String key) throws Exception {return generateSignedXml(data, key, WXPayConstants.SignType.MD5);}/*** 生成带有 sign 的 XML 格式字符串** @param data Map类型数据* @param key API密钥* @param signType 签名类型* @return 含有sign字段的XML*/public static String generateSignedXml(final Map<String, String> data, String key, WXPayConstants.SignType signType) throws Exception {String sign = generateSignature(data, key, signType);data.put(WXPayConstants.FIELD_SIGN, sign);return mapToXml(data);}/*** 判断签名是否正确** @param xmlStr XML格式数据* @param key API密钥* @return 签名是否正确* @throws Exception*/public static boolean isSignatureValid(String xmlStr, String key) throws Exception {Map<String, String> data = xmlToMap(xmlStr);if (!data.containsKey(WXPayConstants.FIELD_SIGN) ) {return false;}String sign = data.get(WXPayConstants.FIELD_SIGN);return generateSignature(data, key).equals(sign);}/*** 判断签名是否正确，必须包含sign字段，否则返回false。使用MD5签名。** @param data Map类型数据* @param key API密钥* @return 签名是否正确* @throws Exception*/public static boolean isSignatureValid(Map<String, String> data, String key) throws Exception {return isSignatureValid(data, key, WXPayConstants.SignType.MD5);}/*** 判断签名是否正确，必须包含sign字段，否则返回false。** @param data Map类型数据* @param key API密钥* @param signType 签名方式* @return 签名是否正确* @throws Exception*/public static boolean isSignatureValid(Map<String, String> data, String key, WXPayConstants.SignType signType) throws Exception {if (!data.containsKey(WXPayConstants.FIELD_SIGN) ) {return false;}String sign = data.get(WXPayConstants.FIELD_SIGN);return generateSignature(data, key, signType).equals(sign);}/*** 生成签名** @param data 待签名数据* @param key API密钥* @return 签名*/public static String generateSignature(final Map<String, String> data, String key) throws Exception {return generateSignature(data, key, WXPayConstants.SignType.MD5);}/*** 生成签名. 注意，若含有sign_type字段，必须和signType参数保持一致。** @param data 待签名数据* @param key API密钥* @param signType 签名方式* @return 签名*/public static String generateSignature(final Map<String, String> data, String key, WXPayConstants.SignType signType) throws Exception {Set<String> keySet = data.keySet();String[] keyArray = keySet.toArray(new String[keySet.size()]);Arrays.sort(keyArray);StringBuilder sb = new StringBuilder();for (String k : keyArray) {if (k.equals(WXPayConstants.FIELD_SIGN)) {continue;}if (data.get(k).trim().length() > 0) // 参数值为空，则不参与签名sb.append(k).append("=").append(data.get(k).trim()).append("&");}sb.append("key=").append(key);if (WXPayConstants.SignType.MD5.equals(signType)) {return MD5(sb.toString()).toUpperCase();}else if (WXPayConstants.SignType.HMACSHA256.equals(signType)) {return HMACSHA256(sb.toString(), key);}else {throw new Exception(String.format("Invalid sign_type: %s", signType));}}/*** 获取随机字符串 Nonce Str** @return String 随机字符串*/public static String generateNonceStr() {char[] nonceChars = new char[32];for (int index = 0; index < nonceChars.length; ++index) {nonceChars[index] = SYMBOLS.charAt(RANDOM.nextInt(SYMBOLS.length()));}return new String(nonceChars);}/*** 生成 MD5** @param data 待处理数据* @return MD5结果*/public static String MD5(String data) throws Exception {MessageDigest md = MessageDigest.getInstance("MD5");byte[] array = md.digest(data.getBytes("UTF-8"));StringBuilder sb = new StringBuilder();for (byte item : array) {sb.append(Integer.toHexString((item & 0xFF) | 0x100).substring(1, 3));}return sb.toString().toUpperCase();}/*** 生成 HMACSHA256* @param data 待处理数据* @param key 密钥* @return 加密结果* @throws Exception*/public static String HMACSHA256(String data, String key) throws Exception {Mac sha256_HMAC = Mac.getInstance("HmacSHA256");SecretKeySpec secret_key = new SecretKeySpec(key.getBytes("UTF-8"), "HmacSHA256");sha256_HMAC.init(secret_key);byte[] array = sha256_HMAC.doFinal(data.getBytes("UTF-8"));StringBuilder sb = new StringBuilder();for (byte item : array) {sb.append(Integer.toHexString((item & 0xFF) | 0x100).substring(1, 3));}return sb.toString().toUpperCase();}/*** 日志* @return*/public static Logger getLogger() {Logger logger = LoggerFactory.getLogger("wxpay java sdk");return logger;}/*** 获取当前时间戳，单位秒* @return*/public static long getCurrentTimestamp() {return System.currentTimeMillis()/1000;}/*** 获取当前时间戳，单位毫秒* @return*/public static long getCurrentTimestampMs() {return System.currentTimeMillis();}public static String inputStream2String(InputStream inStream, String encoding){String result = null;ByteArrayOutputStream outStream = null;try {if(inStream != null){outStream = new ByteArrayOutputStream();byte[] tempBytes = new byte[1024];int count = 0;while((count = inStream.read(tempBytes)) != -1){outStream.write(tempBytes, 0, count);}tempBytes = null;outStream.flush();result = new String(outStream.toByteArray(), encoding);outStream.close();}} catch (Exception e) {result = null;}return result;}}

WXPayXmlUtil

package com.guangyi.project.utils.WXPayUtil;import org.w3c.dom.Document;import javax.xml.XMLConstants;import javax.xml.parsers.DocumentBuilder;import javax.xml.parsers.DocumentBuilderFactory;import javax.xml.parsers.ParserConfigurationException;/*** /7/3*/public final class WXPayXmlUtil {public static DocumentBuilder newDocumentBuilder() throws ParserConfigurationException {DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();documentBuilderFactory.setFeature("/xml/features/disallow-doctype-decl", true);documentBuilderFactory.setFeature("/sax/features/external-general-entities", false);documentBuilderFactory.setFeature("/sax/features/external-parameter-entities", false);documentBuilderFactory.setFeature("/xml/features/nonvalidating/load-external-dtd", false);documentBuilderFactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);documentBuilderFactory.setXIncludeAware(false);documentBuilderFactory.setExpandEntityReferences(false);return documentBuilderFactory.newDocumentBuilder();}public static Document newDocument() throws ParserConfigurationException {return newDocumentBuilder().newDocument();}}

WechatUtil

package com.guangyi.project.utils;import com.alibaba.fastjson.JSON;import com.alibaba.fastjson.JSONObject;import com.guangyi.project.config.Constant;import com.guangyi.project.config.ErrorEnum;import com.guangyi.project.model.system.ApiAccessEntity;import com.guangyi.project.model.system.JsApiTicketEntity;import com.guangyi.project.model.system.ShareModel;import mons.codec.digest.DigestUtils;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.cache.Cache;import org.springframework.cache.ehcache.EhCacheCacheManager;import sun.misc.BASE64Encoder;import org.bouncycastle.jce.provider.BouncyCastleProvider;import org.bouncycastle.util.Arrays;import org.bouncycastle.util.encoders.Base64;import javax.crypto.Cipher;import javax.crypto.spec.IvParameterSpec;import javax.crypto.spec.SecretKeySpec;import java.security.Key;import java.security.Security;import javax.imageio.ImageIO;import java.awt.*;import java.awt.image.BufferedImage;import java.io.*;import java.math.BigDecimal;import .HttpURLConnection;import .URL;import java.time.LocalDateTime;import java.time.ZoneOffset;import java.util.HashMap;import java.util.Map;import java.util.UUID;/*** @ClassName WechatUtil* @Description 微信工具类* @Author LWL* @Date 9:44 /04/20* @Version 1.0*/public class WechatUtil {private static Logger logger = LoggerFactory.getLogger(WechatUtil.class);public static void main(String[] args) throws Exception {//获取access_tokenString url = String.format("https://api./cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s", Constant.WX_LOGIN_APPID, Constant.WX_LOGIN_SECRET);//发送post请求读取调用微信接口获取openid用户唯一标识ApiAccessEntity apiAccessEntity = JSON.parseObject(HttpClientUtil.doGet(url), ApiAccessEntity.class);//获取ticketString accessToken = apiAccessEntity.getAccess_token();//TODO 如果缓存中没有jsApiTicketEntity,重新从微信服务端获取,并保存在缓存中String url2 = String.format("https://api./cgi-bin/ticket/getticket?access_token=%s&type=jsapi",accessToken);//发送post请求读取调用微信接口获取openid用户唯一标识JsApiTicketEntity jsApiTicketEntity = JSON.parseObject(HttpClientUtil.doGet(url2), JsApiTicketEntity.class);String noncestr = WechatUtil.GenerateNonceStr();String timestamp = WechatUtil.GenerateTimeStamp();String jsapi_ticket = jsApiTicketEntity.getTicket();String strSha1 = WechatUtil.getSHA1String(String.format("jsapi_ticket=%s&noncestr=%s&timestamp=%s&url=%s", jsapi_ticket, noncestr, timestamp, "/agysc/mini/index.html#/home/entry")).toLowerCase();System.out.println(strSha1);}public static JSONObject getSessionKeyOrOpenId(String code) {Map<String, String> requestUrlParam = new HashMap<String, String>();// https://mp./wxopen/devprofile?action=get_profile&token=164113089&lang=zh_CN//小程序appIdrequestUrlParam.put("appid", Constant.WX_LOGIN_APPID);//小程序secretrequestUrlParam.put("secret", Constant.WX_LOGIN_SECRET);//小程序端返回的coderequestUrlParam.put("js_code", code);//默认参数requestUrlParam.put("grant_type", Constant.WX_LOGIN_GRANT_TYPE);//发送post请求读取调用微信接口获取openid用户唯一标识JSONObject jsonObject = JSON.parseObject(HttpClientUtil.doPost(Constant.WX_LOGIN_URL, requestUrlParam));return jsonObject;}public static JSONObject getAccessTokenOrOpenId(String code) {String grant_type = "authorization_code";String url = String.format("https://api./sns/oauth2/access_token?appid=%s&secret=%s&code=%s&grant_type=%s",Constant.WX_LOGIN_APPID, Constant.WX_LOGIN_SECRET, code, grant_type);//发送post请求读取调用微信接口获取openid用户唯一标识JSONObject jsonObject = JSON.parseObject(HttpClientUtil.doGet(url));return jsonObject;}/*** {@code description: 获取微信access_token,并保存在缓存中}* @param* @author LWL* @since /9/5 12:04*/public static ApiAccessEntity getCachedAccessToken() {//获取缓存中的tokenEhCacheCacheManager cacheCacheManager = SpringContextUtil.context.getBean(EhCacheCacheManager.class);//获取CacheCache cache = cacheCacheManager.getCache("apiAccessEntityCache");ApiAccessEntity apiAccessEntity = cache.get(Constant.API_ACCESS_ENTITY, ApiAccessEntity.class);if(apiAccessEntity == null){//TODO 如果缓存中没有apiAccessEntity,重新从微信服务端获取,并保存在缓存中String url = String.format("https://api./cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s", Constant.WX_LOGIN_APPID, Constant.WX_LOGIN_SECRET);//发送post请求读取调用微信接口获取openid用户唯一标识apiAccessEntity = JSON.parseObject(HttpClientUtil.doGet(url), ApiAccessEntity.class);cache.put(Constant.API_ACCESS_ENTITY, apiAccessEntity);}return apiAccessEntity;}/*** {@code description: 获取ticket}* @param* @author LWL* @since /9/5 12:32*/public static JsApiTicketEntity getCachedJsApiTicket() {//获取缓存中的tokenEhCacheCacheManager cacheCacheManager = SpringContextUtil.context.getBean(EhCacheCacheManager.class);//获取CacheCache cache = cacheCacheManager.getCache("JsApiTicketEntityCache");JsApiTicketEntity jsApiTicketEntity = cache.get(Constant.JS_API_TICKET_ENTITY, JsApiTicketEntity.class);if(jsApiTicketEntity == null){String accessToken = getCachedAccessToken().getAccess_token();//TODO 如果缓存中没有jsApiTicketEntity,重新从微信服务端获取,并保存在缓存中String url = String.format("https://api./cgi-bin/ticket/getticket?access_token=%s&type=jsapi",accessToken);//发送post请求读取调用微信接口获取openid用户唯一标识jsApiTicketEntity = JSON.parseObject(HttpClientUtil.doGet(url), JsApiTicketEntity.class);cache.put(Constant.JS_API_TICKET_ENTITY, jsApiTicketEntity);}return jsApiTicketEntity;}/**** @description: 生成时间戳，标准北京时间，时区为东八区，自1970年1月1日 0点0分0秒以来的秒数* @param* @return: java.lang.String 时间戳* @author: LWL* @time: /4/20 17:31*/public static String GenerateTimeStamp(){//获取秒数Long second = LocalDateTime.now().toEpochSecond(ZoneOffset.of("+8"));//获取毫秒数// Long milliSecond = LocalDateTime.now().toInstant(ZoneOffset.of("+8")).toEpochMilli();return second.toString();}/**** @description: 生成随机串，随机串包含字母或数字* @param* @return: java.lang.String 随机串* @author: LWL* @time: /4/20 17:32*/public static String GenerateNonceStr(){return UUID.randomUUID().toString().replaceAll("-","");}/**** @description: 获取制定字符串的SHA1散列值* @param source* @return: java.lang.String* @author: LWL* @time: /4/20 17:32*/public static String getSHA1String(String source){return DigestUtils.sha1Hex(source);}/*** 生成小程序二维码*/public static BufferedImage scanCode(String scene,String page,int width){try {//获取access_tokenString url1 = String.format("https://api./cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s", Constant.WX_LOGIN_APPID, Constant.WX_LOGIN_SECRET);//发送post请求读取调用微信接口获取openid用户唯一标识ApiAccessEntity apiAccessEntity = JSON.parseObject(HttpClientUtil.doGet(url1), ApiAccessEntity.class);//获取accessTokenString accessToken = apiAccessEntity.getAccess_token();URL url = new URL("https://api./wxa/getwxacodeunlimit?access_token="+accessToken);HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();httpURLConnection.setRequestMethod("POST");// 提交模式// conn.setConnectTimeout(10000);//连接超时 单位毫秒// conn.setReadTimeout(2000);//读取超时 单位毫秒// 发送POST请求必须设置如下两行httpURLConnection.setDoOutput(true);// 打开写入属性httpURLConnection.setDoInput(true);// 打开读取属性// 设置响应头httpURLConnection.setRequestProperty("Content-Type", "application/x-javascript; charset=UTF-8");// 获取URLConnection对象对应的输出流PrintWriter printWriter = new PrintWriter(httpURLConnection.getOutputStream());// 发送请求参数JSONObject paramJson = new JSONObject();paramJson.put("scene", scene);//自定义参数paramJson.put("page", page);paramJson.put("width", width);// paramJson.put("auto_color", true);//line_color生效// paramJson.put("auto_color", false);JSONObject lineColor = new JSONObject();lineColor.put("r", 0);lineColor.put("g", 0);lineColor.put("b", 0);paramJson.put("line_color", lineColor);printWriter.write(paramJson.toString());// flush输出流的缓冲printWriter.flush();return ImageIO.read(httpURLConnection.getInputStream());}catch (Exception e) {e.printStackTrace();}return null ;}/*** @description: 分享* @param shareModel* @return: void* @author: LWL* @time: /6/21 12:10*/public static String share(ShareModel shareModel) throws Exception {//创建图片BufferedImage img = new BufferedImage(750, 1234, BufferedImage.TYPE_INT_RGB);//开启画图Graphics g = img.getGraphics();//背景 -- 读取互联网图片BufferedImage back = ImageIO.read(new URL(shareModel.getBackdrop()));g.drawImage(back.getScaledInstance(750, 1234, Image.SCALE_DEFAULT), 0, 0, null); // 绘制缩小后的图//商品 banner图//读取互联网图片BufferedImage priductUrl = ImageIO.read(new URL(shareModel.getCommodityPic())); //TODOg.drawImage(priductUrl.getScaledInstance(690,690,Image.SCALE_DEFAULT),30,30,null);//文案标题g.setFont(new Font("微软雅黑", Font.BOLD, 34));g.setColor(new Color(29,29,29));//绘制文字g.drawString(shareModel.getCommodityName(), 30, 800);//TODO//文案g.setFont(new Font("微软雅黑", Font.PLAIN, 30));g.setColor(new Color(47,47,47));int fontlen = getWatermarkLength(shareModel.getInfo(), g);//TODO//文字长度相对于图片宽度应该有多少行int line = (new BigDecimal(fontlen).divide((new BigDecimal(back.getWidth()).subtract(new BigDecimal(60))),0,BigDecimal.ROUND_UP)).intValue();//高度int y = back.getHeight() - (line + 1) * 30 - 440;//文字叠加,自动换行叠加int tempX = 30;int tempY = y;//单字符长度int tempCharLen = 0;//单行字符总长度临时计算int tempLineLen = 0;StringBuffer sb =new StringBuffer();for(int i=0; i < shareModel.getInfo().length(); i++) {//TODOchar tempChar = shareModel.getInfo().charAt(i);//TODOtempCharLen = getCharLen(tempChar, g);tempLineLen += tempCharLen;if(tempLineLen >= (back.getWidth()-60)) {//长度已经满一行,进行文字叠加g.drawString(sb.toString(), tempX, tempY + 40);//清空内容,重新追加sb.delete(0, sb.length());//每行文字间距50tempY += 50;tempLineLen =0;}//追加字符sb.append(tempChar);}//最后叠加余下的文字g.drawString(sb.toString(), tempX, tempY + 50);// //价格背景// //读取互联网图片// BufferedImage bground = ImageIO.read(new File("C:\\Users\\Administrator\\Desktop\\beijing.png"));//TODO// // 绘制缩小后的图// g.drawImage(bground.getScaledInstance(160, 40, Image.SCALE_DEFAULT), 30, 953, null);// //限时促销价// g.setFont(new Font("微软雅黑", Font.PLAIN, 24));// g.setColor(new Color(255,255,255));// g.drawString("限时促销价", 50, 980);//价格g.setFont(new Font("微软雅黑", Font.PLAIN, 50));g.setColor(new Color(249,64,64));g.drawString("¥" + shareModel.getPrice(), 29, 980);//TODO// //原价// g.setFont(new Font("微软雅黑", Font.PLAIN, 36));// g.setColor(new Color(171,171,171));// String price = "¥" + "14999";//TODO// g.drawString(price, 260, 1060);// g.drawLine(250,1048,260+150,1048);// //商品名称// g.setFont(new Font("微软雅黑", Font.PLAIN, 32));// g.setColor(new Color(29,29,29));// g.drawString("Apple/苹果 iphone12", 30, 1129);//TODO//头像BufferedImage head = ImageIO.read(new URL(shareModel.getAvatar())); //TODOBufferedImage bufferedImage = PicUtils.setRadius(head,100,0);g.drawImage(bufferedImage.getScaledInstance(100,100,Image.SCALE_DEFAULT),30,1060,null);//用户昵称g.setFont(new Font("微软雅黑", Font.PLAIN, 30));g.setColor(new Color(47,47,47));g.drawString(shareModel.getNickname(), 150, 1100);//TODO//文案g.setFont(new Font("微软雅黑", Font.PLAIN, 25));g.setColor(new Color(153, 153, 153, 141));g.drawString("推荐您享受天意商城内购优惠", 150, 1145);//TODO//生成微信小程序二维码// BufferedImage qrCode = ImageIO.read(new File("C:\\Users\\Administrator\\Desktop\\qrcode.png"));BufferedImage qrCode = scanCode(shareModel.getScene(),shareModel.getPage(),shareModel.getWidth());// 绘制缩小后的图g.drawImage(qrCode.getScaledInstance(174, 174, Image.SCALE_DEFAULT), 536, 940, null);//二维码字体g.setFont(new Font("微软雅黑", Font.PLAIN, 25));g.setColor(new Color(171,171,171));//绘制文字g.drawString("扫描或长按小程序码", 515, 1143);g.dispose();//输出流ByteArrayOutputStream stream = new ByteArrayOutputStream();ImageIO.write(img, "png", stream);BASE64Encoder encoder = new BASE64Encoder();String base64 = encoder.encode(stream.toByteArray());stream.flush();stream.close();return base64;}/*** 获取水印文字总长度*@paramwaterMarkContent水印的文字*@paramg*@return水印文字总长度*/public static int getWatermarkLength(String waterMarkContent, Graphics g) {return g.getFontMetrics(g.getFont()).charsWidth(waterMarkContent.toCharArray(),0, waterMarkContent.length());}public static int getCharLen(char c, Graphics g) {return g.getFontMetrics(g.getFont()).charWidth(c);}public static String decryptData(String encryptDataB64, String sessionKeyB64, String ivB64) {return new String(decryptOfDiyIV(Base64.decode(encryptDataB64),Base64.decode(sessionKeyB64),Base64.decode(ivB64)));}private static final String KEY_ALGORITHM = "AES";private static final String ALGORITHM_STR = "AES/CBC/PKCS7Padding";private static Key key;private static Cipher cipher;private static void init(byte[] keyBytes) {try {// 如果密钥不足16位，那么就补足. 这个if 中的内容很重要int base = 16;if (keyBytes.length % base != 0) {int groups = keyBytes.length / base + (keyBytes.length % base != 0 ? 1 : 0);byte[] temp = new byte[groups * base];Arrays.fill(temp, (byte) 0);System.arraycopy(keyBytes, 0, temp, 0, keyBytes.length);keyBytes = temp;}// 初始化Security.addProvider(new BouncyCastleProvider());// 转化成JAVA的密钥格式key = new SecretKeySpec(keyBytes, KEY_ALGORITHM);// 初始化ciphercipher = Cipher.getInstance(ALGORITHM_STR, "BC");} catch (Exception e) {logger.error(ErrorInfoUtil.getErrorInfo(e));throw ExceptionFormatUtil.formatException(e, ErrorEnum.GETINFO_ERROR);}}/*** 解密方法** @param encryptedData 要解密的字符串* @param keyBytes解密密钥* @param ivs 自定义对称解密算法初始向量 iv* @return 解密后的字节数组*/private static byte[] decryptOfDiyIV(byte[] encryptedData, byte[] keyBytes, byte[] ivs) {byte[] encryptedText = null;init(keyBytes);try {cipher.init(Cipher.DECRYPT_MODE, key, new IvParameterSpec(ivs));encryptedText = cipher.doFinal(encryptedData);} catch (Exception e) {e.printStackTrace();}return encryptedText;}}

CusAccessObjectUtil

package com.guangyi.project.utils;import mons.lang3.StringUtils;import javax.servlet.http.HttpServletRequest;/*** @Auther: LWL* @Date: /3/6 14:33* @Description:*/public class CusAccessObjectUtil {/*** @param request* @return*/public static String getIpAdrress(HttpServletRequest request) {String Xip = request.getHeader("X-Real-IP");String XFor = request.getHeader("X-Forwarded-For");if(!StringUtils.isEmpty(XFor) && !"unKnown".equalsIgnoreCase(XFor)){//多次反向代理后会有多个ip值，第一个ip才是真实ipint index = XFor.indexOf(",");if(index != -1){return XFor.substring(0,index);}else{return XFor;}}XFor = Xip;if(!StringUtils.isEmpty(XFor) && !"unKnown".equalsIgnoreCase(XFor)){return XFor;}if (StringUtils.isEmpty(XFor) || "unknown".equalsIgnoreCase(XFor)) {XFor = request.getHeader("Proxy-Client-IP");}if (StringUtils.isEmpty(XFor) || "unknown".equalsIgnoreCase(XFor)) {XFor = request.getHeader("WL-Proxy-Client-IP");}if (StringUtils.isEmpty(XFor) || "unknown".equalsIgnoreCase(XFor)) {XFor = request.getHeader("HTTP_CLIENT_IP");}if (StringUtils.isEmpty(XFor) || "unknown".equalsIgnoreCase(XFor)) {XFor = request.getHeader("HTTP_X_FORWARDED_FOR");}if (StringUtils.isEmpty(XFor) || "unknown".equalsIgnoreCase(XFor)) {XFor = request.getRemoteAddr();}return XFor;}}

HttpClientUtil

package com.guangyi.project.utils;import org.apache.http.NameValuePair;import org.apache.http.client.entity.UrlEncodedFormEntity;import org.apache.http.client.methods.CloseableHttpResponse;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.methods.HttpPost;import org.apache.http.client.utils.URIBuilder;import org.apache.http.entity.ContentType;import org.apache.http.entity.StringEntity;import org.apache.http.impl.client.CloseableHttpClient;import org.apache.http.impl.client.HttpClients;import org.apache.http.message.BasicNameValuePair;import org.apache.http.util.EntityUtils;import java.io.*;import .URI;import .URL;import .URLConnection;import java.util.ArrayList;import java.util.List;import java.util.Map;public class HttpClientUtil {public static String doGet(String url, Map<String, String> param) {// 创建Httpclient对象CloseableHttpClient httpclient = HttpClients.createDefault();String resultString = "";CloseableHttpResponse response = null;try {// 创建uriURIBuilder builder = new URIBuilder(url);if (param != null) {for (String key : param.keySet()) {builder.addParameter(key, param.get(key));}}URI uri = builder.build();// 创建http GET请求HttpGet httpGet = new HttpGet(uri);// 执行请求response = httpclient.execute(httpGet);// 判断返回状态是否为200if (response.getStatusLine().getStatusCode() == 200) {resultString = EntityUtils.toString(response.getEntity(), "UTF-8");}} catch (Exception e) {e.printStackTrace();} finally {try {if (response != null) {response.close();}httpclient.close();} catch (IOException e) {e.printStackTrace();}}return resultString;}public static String doGet(String url) {return doGet(url, null);}public static String doPost(String url, Map<String, String> param) {// 创建Httpclient对象CloseableHttpClient httpClient = HttpClients.createDefault();CloseableHttpResponse response = null;String resultString = "";try {// 创建Http Post请求HttpPost httpPost = new HttpPost(url);// 创建参数列表if (param != null) {List<NameValuePair> paramList = new ArrayList<NameValuePair>();for (String key : param.keySet()) {paramList.add(new BasicNameValuePair(key, param.get(key)));}// 模拟表单UrlEncodedFormEntity entity = new UrlEncodedFormEntity(paramList);httpPost.setEntity(entity);}// 执行http请求response = httpClient.execute(httpPost);resultString = EntityUtils.toString(response.getEntity(), "utf-8");} catch (Exception e) {e.printStackTrace();} finally {try {response.close();} catch (IOException e) {e.printStackTrace();}}return resultString;}public static String doPost(String url) {return doPost(url, null);}public static String doPostJson(String url, String json) {// 创建Httpclient对象CloseableHttpClient httpClient = HttpClients.createDefault();CloseableHttpResponse response = null;String resultString = "";try {// 创建Http Post请求HttpPost httpPost = new HttpPost(url);// 创建请求内容StringEntity entity = new StringEntity(json, ContentType.APPLICATION_JSON);httpPost.setEntity(entity);// 执行http请求response = httpClient.execute(httpPost);resultString = EntityUtils.toString(response.getEntity(), "utf-8");} catch (Exception e) {e.printStackTrace();} finally {try {response.close();} catch (IOException e) {e.printStackTrace();}}return resultString;}/*** 向指定URL发送GET方法的请求** @param url* 发送请求的URL* @param param* 请求参数,请求参数应该是 name1=value1&name2=value2 的形式。* @return URL 所代表远程资源的响应结果*/public static String sendGet(String url, String param) {String result = "";BufferedReader in = null;try {String urlNameString = url + "?" + param;System.out.println(urlNameString);URL realUrl = new URL(urlNameString);// 打开和URL之间的连接URLConnection connection = realUrl.openConnection();// 设置通用的请求属性connection.setRequestProperty("accept", "*/*");connection.setRequestProperty("connection", "Keep-Alive");connection.setRequestProperty("user-agent","Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");// 建立实际的连接connection.connect();// 获取所有响应头字段Map<String, List<String>> map = connection.getHeaderFields();// 遍历所有的响应头字段for (String key : map.keySet()) {System.out.println(key + "--->" + map.get(key));}// 定义 BufferedReader输入流来读取URL的响应in = new BufferedReader(new InputStreamReader(connection.getInputStream()));String line;while ((line = in.readLine()) != null) {result += line;}} catch (Exception e) {System.out.println("发送GET请求出现异常！" + e);e.printStackTrace();}// 使用finally块来关闭输入流finally {try {if (in != null) {in.close();}} catch (Exception e2) {e2.printStackTrace();}}return result;}/*** 向指定 URL 发送POST方法的请求** @param url* 发送请求的 URL* @param param* 请求参数,请求参数应该是 name1=value1&name2=value2 的形式。* @return 所代表远程资源的响应结果*/public static String sendPost(String url, String param) {PrintWriter out = null;BufferedReader in = null;String result = "";try {URL realUrl = new URL(url);// 打开和URL之间的连接URLConnection conn = realUrl.openConnection();// 设置通用的请求属性conn.setRequestProperty("accept", "*/*");conn.setRequestProperty("connection", "Keep-Alive");conn.setRequestProperty("user-agent","Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");// 发送POST请求必须设置如下两行conn.setDoOutput(true);conn.setDoInput(true);// 获取URLConnection对象对应的输出流out = new PrintWriter(new OutputStreamWriter(conn.getOutputStream(),"UTF8"));// 发送请求参数out.print(param);// flush输出流的缓冲out.flush();// 定义BufferedReader输入流来读取URL的响应in = new BufferedReader(new InputStreamReader(conn.getInputStream(),"UTF8"));String line;while ((line = in.readLine()) != null) {result += line;}} catch (Exception e) {System.out.println("发送 POST 请求出现异常！"+e);e.printStackTrace();}//使用finally块来关闭输出流、输入流finally{try{if(out!=null){out.close();}if(in!=null){in.close();}}catch(IOException ex){ex.printStackTrace();}}return result;}}