web前端|js教程
jQuery,上传,文件
web前端-js教程运行效果截图如下：
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具体代码如下：
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CSS代码：
.upload-span{display:inline-block;width:120px;height:40px;color:#FFFFFF;text-align: center;line-height:40px;background-color: blue;border:2px solid blue;border-radius:5px;cursor: pointer;letter-spacing:2px;}.upload-mask{position: absolute;top:0;left:0;z-index:9;width:100%;height:100%;background-color: rgba(84,84,84,0.3);display: none;}.upload-component{position: absolute;z-index:99;top:50%;left:50%;margin-left:-120px;margin-top:-60px;width:240px;height:120px;background-color:#FFFFFF;display:none;}.upload-close{position: relative;height:30px;background-color: rgb(234,234,234);}.upload-close span{position: absolute;right:15px;line-height:30px;cursor: pointer;}.upload-content,.confirm-cancel{margin-top:15px;}.progress{position:relative;width:90%;height:22px;margin-left:4.88888%;text-align: center;line-height:22px;border:1px solid #ccc;}.upload-text{position:absolute;z-index:99999;color:red;}.uploaded{position:absolute;left:0;z-index:9999;width:0%;height:100%;background-color: blue;color:#FFFFFF;}.confirm-cancel span{display:inline-block;width:60px;height:30px;line-height:30px;text-align: center;background-color:#ccc;cursor:wait;}.confirm{margin-left:40%;}.cancel{margin-left:10px;}
jQuery代码：
$(function (){var $uploadSpan = $(.upload-span);var $uploadMask = $(.upload-mask);var $uploadContent = $(.upload-component);var $closeConfirmCancel = $(.upload-close-span,.confirm,.cancel);var $uploadTextSpan = $(.upload-text);function showMask(){$(".upload-mask,.upload-component").css({display:lock});progressBar();$uploadSpan.off(click,showMask);}function hiddenMask(){$uploadMask.css({display: one});$uploadSpan.on(click,showMask);}function closeConfirmCancel(){$uploadContent.css({display: one});$uploadTextSpan.text(\).next().css({width:0});hiddenMask();}// 模拟进度function progressBar(){var max =100;var init =0;var uploaded;var test = setInterval(function(){init +=5;uploaded = parseInt(init / max *100)+\%;$uploadTextSpan.text(uploaded).next().css({width:uploaded});if(init ===100){clearInterval(test);$uploadTextSpan.text(上传完成);$(.confirm-cancel span).css({cursor:pointer});$(.confirm).css({backgroundColor: gb(111,197,293)});$(.cancel).css({backgroundColor: gb(175,194,211)})$closeConfirmCancel.on(click,closeConfirmCancel);}else{$closeConfirmCancel.off(click,closeConfirmCancel);$(.upload-close-span).on(click,function(){clearInterval(test);closeConfirmCancel();});}},1000);}$uploadSpan.on(click,showMask);})
