PHP+ajax implements file upload progress bar effect sample code

The progress bar is when the computer is processing a task, it displays the speed of processing the task, the degree of completion, the size of the remaining unfinished tasks, and the possible processing time in the form of pictures in real time. It is usually displayed in a rectangular bar shape. This article mainly introduces the relevant information of php ajax to implement the progress bar of file upload. Friends who need it can refer to it. This example is about the implementation of the progress bar when uploading php files. It mainly uses ajax technology and also uses html5. , friends in need can study it.

This example has two files:

upload_form.html:

HTML5 File Upload Progress Bar Tutorial

 

 
 
 

 

file_upload_parser. php:

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