package com.test;import java.util.regex.Matcher;import java.util.regex.Pattern;public class Test {@org.junit.Testpublic void test(){String fileName = "test，中文";System.out.println(filterChinese(fileName));}/*** 判断字符串中是否包含中文* @param str* 待校验字符串* @return 是否为中文* @warn 不能校验是否为中文标点符号*/public static boolean isContainChinese(String str) {Pattern p = pile("[\u4e00-\u9fa5]");Matcher m = p.matcher(str);if (m.find()) {return true;}return false;}/*** 过滤掉中文* @param str 待过滤中文的字符串* @return 过滤掉中文后字符串*/public static String filterChinese(String str) {// 用于返回结果String result = str;boolean flag = isContainChinese(str);if (flag) {// 包含中文// 用于拼接过滤中文后的字符StringBuffer sb = new StringBuffer();// 用于校验是否为中文boolean flag2 = false;// 用于临时存储单字符char chinese = 0;// 5.去除掉文件名中的中文// 将字符串转换成char[]char[] charArray = str.toCharArray();// 过滤到中文及中文字符for (int i = 0; i < charArray.length; i++) {chinese = charArray[i];flag2 = isChinese(chinese);if (!flag2) {// 不是中日韩文字及标点符号sb.append(chinese);}}result = sb.toString();}return result;}/*** 校验一个字符是否是汉字** @param c* 被校验的字符* @return true代表是汉字*/public static boolean isChineseChar(char c) {try {return String.valueOf(c).getBytes("UTF-8").length > 1;} catch (Exception e) {e.printStackTrace();return false;}}/*** 验证字符串内容是否包含下列非法字符<br>* `~!#%^&*=+\\|{};:'\",<>/?○●★☆☉♀♂※¤╬の〆** @param content* 字符串内容* @return 't'代表不包含非法字符，otherwise代表包含非法字符。*/public static char validateLegalString(String content) {String illegal = "`~!#%^&*=+\\|{};:'\",<>/?○●★☆☉♀♂※¤╬の〆";char isLegalChar = 't';L1: for (int i = 0; i < content.length(); i++) {for (int j = 0; j < illegal.length(); j++) {if (content.charAt(i) == illegal.charAt(j)) {isLegalChar = content.charAt(i);break L1;}}}return isLegalChar;}/*** 验证是否是汉字或者0-9、a-z、A-Z** @param c* 被验证的char* @return true代表符合条件*/public static boolean isRightChar(char c) {return isChinese(c) || isWord(c);}/*** 校验某个字符是否是a-z、A-Z、_、0-9** @param c* 被校验的字符* @return true代表符合条件*/public static boolean isWord(char c) {String regEx = "[\\w]";Pattern p = pile(regEx);Matcher m = p.matcher("" + c);return m.matches();}/*** 判定输入的是否是汉字** @param c* 被校验的字符* @return true代表是汉字*/public static boolean isChinese(char c) {Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS|| ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS|| ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A|| ub == Character.UnicodeBlock.GENERAL_PUNCTUATION|| ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION|| ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS) {return true;}return false;}/*** 校验String是否全是中文** @param name* 被校验的字符串* @return true代表全是汉字*/public static boolean checkNameChese(String name) {boolean res = true;char[] cTemp = name.toCharArray();for (int i = 0; i < name.length(); i++) {if (!isChinese(cTemp[i])) {res = false;break;}}return res;}}
