GIT 下载地址
https://github.com/blueimp/jQuery-File-Upload
亲测HTTPS HTTP跨域无压力
不用自带的DEMO
用下面的DEMO
<!DOCTYPE HTML> <html> <head> <meta charset="utf-8"> <title>jQuery File Upload Example</title> </head> <style> .bar { height: 18px; background: green; } .content{ width: 100%;text-align: center;margin-top: 70px; } #progress{ border-radius:6px;width: 300px;background: red; margin: 10px auto; } </style> <body> <div class="content"> <input id="fileupload" type="file" name="upfile" "> <div id="progress"> <div class="bar" style="width: 0%;"></div> </div> <img id="uploadimg" src="__PUBLIC__/images/bg.jpg" width="400px" height="408px"/> </div> <script src="https://code.jquery.com/jquery-3.1.1.min.js"></script> <script src="js/vendor/jquery.ui.widget.js"></script> <script src="js/jquery.iframe-transport.js"></script> <script src="js/jquery.fileupload.js"></script> <script> $('#fileupload').fileupload({ url: "", type:"POST", dataType:"json", autoUpload : true, acceptFileTypes: /(\.|\/)(jpe?g|png)$/i, formData: { action:"UploadVMKImagePath", param:JSON.stringify({ projectId:12343, fileType:"任务日志图片" }) }, done: function (e, data) { console.log(e); console.log(data);//data里面包含了服务端返回的字段 }, fail:function(e,data){ console.log("上传失败："+data.errorThrown); }, progressall: function (e, data) { var progress = parseInt(data.loaded / data.total * 100); $('#progress .bar').css( 'width', progress + '%' ); }, }); </script> </body> </html>