Home Web Front-end JS Tutorial Detailed explanation of problems that occur when uploading ajaxfileupload

Detailed explanation of problems that occur when uploading ajaxfileupload

Jul 20, 2017 pm 02:28 PM
ajaxfileupload upload Appear

1. The following problems will occur when uploading ajaxfileupload:

2. There are many solutions on the Internet. Here, I found another one, maybe your error will be caused by this reason

------The reason is: You do not need to return to the foreground in the general handler Data format string

3. An example is given below:

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  前台: 

  <style type="text/css">         

  .fileLink{position: relative;display: inline-block;background: #fff;

  border: 1px solid #0980D0;border-radius: 4px;

  padding: 2px 8px;margin-left:10px;margin-top:10px;overflow: hidden;color: #1E88C7;text-decoration: none;text-indent: 0;line-height: 20px;} 4         

  .fileLink input {position: absolute;font-size: 100px;right: 0;top: 0;opacity: 0;} 5         .fileLink:hover {background: #AADFFD;border-color: #78C3F3;

  cursor:pointer;color: #004974;text-decoration: none;} 6     

  </style> 7 

  <span class="fL fileLink" style="padding-left: 10px;">选择文件<input type="file" id="uploadify" name="uploadify" value="上传数据" /></span> 8 <script src="../../Plugins/jquery/jquery-1.7.2.min.js?1.1.11" type="text/javascript"></script> 9 <script src="../../Plugins/ajaxfileupload.js?1.1.11" type="text/javascript"></script>10 11 

  <script>12        

  $("#uploadify").on("change"function () 

  {13             

  //var file = $("#uploadify")[0].files[0];14             

  $.ajaxFileUpload({15                 

  url: './ImportDynamic.ashx',16                 

  fileElementId: 'uploadify',17                 

  dataType: 'text',18                 

  success: function (data, status) {19                     

  alert(1);20                 },21                 

  error: function () { }22             });23         }); 

  </script>25  26 一般处理程序:27             

  context.Response.ContentType = "text/plain";28             

  var filePath = "uploadfile/xxx.xls";29             

  filePath = context.Server.MapPath(filePath);30             

  Import.GetCommonReportFile(filePath);31             

  //context.Response.Write("返回文本数据,否则前台就会报如上错误");

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