Solve the problem of Chinese garbled characters submitted by Ajax Post in jQuery

When using jQuery's Ajax for Post submission, you sometimes encounter the problem of Chinese garbled characters. This article will introduce a solution to ensure correct handling of Chinese characters in Ajax requests.

Problem description:
When submitting an Ajax Post, if the request contains Chinese characters, the server may not be able to correctly parse these characters, resulting in garbled characters or incorrect processing. This is because Ajax uses UTF-8 encoding to send requests by default, and the server may use other encoding methods to parse requests.

Solution:
To solve this problem, you can specify the correct encoding by setting the contentType and dataType attributes of the Ajax request. Here is sample code:

$.ajax({
   
    
    
  url: "your_url",
  type: "POST",
  contentT