jquery ajax implements file upload function (with code)

This article mainly introduces the example code of jquery ajax to implement the file drag and drop upload function. The code is simple and easy to understand, very good, and has reference value. Friends in need can refer to it

Let’s look at the ajax implementation of file upload

## No plug-in is used

1. Single file upload

2. Multiple file upload

This is a multi-select upload. The key is the attribute

multiple="multiple". In addition, there are many interfaces used. File upload interface.

Of course, you can also use the single file upload mode, just select multiple times, but the interface is also the iyaoshiyong multi-file upload interface.

All tests passed! ! !

The following is an example code to introduce to you the implementation of the AJAX drag and drop upload function. The specific code is as follows;

AJAX drag and drop upload function, the implementation code is as follows:

The above is what I compiled for everyone. I hope it will be helpful to everyone in the future.

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