What should I do if the get request in Java is garbled in Chinese?

Solution to Chinese garbled code in get request in java: 1. Manual decoding, the code is [param=newString(param.getBytes("iso8859-1"), "utf-8")]; 2. Configuration tomcat, modify tomcat's [server.xml].

Solution to Chinese garbled characters in get request in java:

Method 1: Manual decoding

    param = new String(param.getBytes("iso8859-1"), "utf-8");

This method depends on the server

Method 2: Configure tomcat

Modify tomcat’s server.xml: URIEncoding="utf-8 "

This method depends on the server

Method three: URL encoding (does not depend on Tomcat configuration, recommended):

Two browsers URL encoding.

 var param = "中";
 param = encodeURI(param);
  alert(param);
  param = encodeURI(param);
  alert(param);

　　 　　　　　　　　　　　　　　　　　　　　　　　　　iousular/param_encoded twice and then passed to the background

　　　　　　　　　　　　　　　　　　　　　　 Construction will be passed to the background after being encoded twiceâ€â€

The server will do the URL decoding again.

When the parameters are passed to the server, the server will automatically decode the parameters. We only need to manually decode them once

 java.net.URLDecoder.decode(param, "utf-8");

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