Chinese garbage problem solving methods when jsp form by value

Solution one:

 

 

 Solution two :( once and for all type)

Modify the tomcat server.xml file

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

Add the last portion of the yellow line highlighted

Schematic:

 

 

 Pictures from: https://www.jb51.net/article/98287.htm