What should I do if the return value of Java's ajax submission is Chinese garbled?

Methods to solve the Chinese garbled return value of java's ajax submission: 1. Add code [products=text/html;charset=UTF-8] to the concurrent configuration of RequestMapping; 2. In the file [mvc: annotation-driven] Add code.

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Solution to java's ajax submission return value in Chinese Methods for garbled characters:

1. It is determined (as a result of many tests) that Chinese garbled characters will only appear when the return value is String, and when the return value is Map<String , Object> or other types, no Chinese garbled characters appear.

2. Add

products="text/html;charset=UTF-8"

to the concurrent configuration of @RequestMapping to solve the problem

3, or add

<bean class=
"org.springframework.http.converter.StringHttpMessageConvertr">  
 <property name="supportedMediaTypes">  
 <list>  
 <span style="white-space:pre"></span>
  <value>text/html;charset=UTF-8</value>  
 <value>application/json;charset=UTF-8</value> 
 <value>*/*;charset=UTF-8</value>
 </list>

to mvc:annotation-driven in the configuration file. Related learning recommendations: java basic tutorial

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