How to solve jquery serialize garbled code?

The reason why jquery serialize Chinese garbled characters: [serialize()] automatically calls the encodeURIComponent method to encode the data; solution: call "decodeURIComponent(XXX,true);" to decode the data.

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The operating environment of this tutorial: windows7 system, jquery3.5 version , this method is suitable for all brands of computers.

After using the jquery serialize method in the project, I found that the Chinese encoding format had been converted. I thought it would be solved by directly setting tomcat to utf-8. I found that this was not the case, and later went online directly. After searching Google, I got the following answer: The special record is as follows (it works after trying it)

1:

Reason: .serialize() is called automatically Use the encodeURIComponent method to encode the data.

Solution: Call decodeURIComponent(XXX,true); to decode the data.

For example:

var params = jQuery("#formId").serialize(); // http request parameters.    
params = decodeURIComponent(params,true);

Two:

1. Replace encodeURIComponent in the jquery.js file with encodeURI. It can solve Chinese garbled characters. (I don’t know where to change it, I haven’t tried it yet)

2. Another way is to set the character set of all jsp and xml to UTF-8. (Both of my files are originally UTF-8, I guess there are some missing ones, whether it is feasible is unknown)

JSP

<%@ page language="java" contentType="text/html; charset=UTF-8"%>

XML

<?xml version="1.0" encoding="UTF-8"?>

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