How to solve the garbled Chinese parameters in Java?

Solution to garbled Chinese parameters in java

[Method 1] Transfer when the backend receives parameters Code

String fileName = new String (fileName.getBytes("ISO8859-1"),"utf-8");

[Method 2] Modify server.xml in the tomcat installation directory (recommended)

<!-- 添加：URIEncoding="UTF-8" -->
<Connector port="8080" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="8443" 
               URIEncoding="UTF-8"/>

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