Ajaxuploadfile in IE9 and other IE browser, upload the problem of JSON download to solve (Springmvc + ajaxuploadfile)

Using Ajaxuploadfile for file uploads is normal in Google, but in IE it becomes a JSON file download. After searching and trying, the solution is as follows:

First, it is clear that the function uses $.ajaxfileupload instead of Ajax, and the returned datatype is set to JSON.

1.ajaxfileupload.js File Modification:

The first thing that can happen is that the <pre> tag is processed, then the JSON type is added, and the data is converted to the object type in JS.

　　

2. The Java backend returns, response the returned text/html, converts the map data to a string, and eventually returns the object data of type string.

Ajaxuploadfile in IE9 and other IE browser, upload the problem of JSON download to solve (Springmvc + ajaxuploadfile)