Servlet - Chinese garbled data request

1. String data is re-encoded into

　　String username = request.getParameter("username");

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

2. Use common configuration

　　GET submission:

　　　　1. Modify the Tomcat conf server.xml file in the directory, the increase in the property useBodyEncodingForURI Connector tag = "true"

　　　　2. request.setCharacterEncoding("utf-8");

　　POST submission: 

　　　　Added directly request.setCharacterEncoding ( "utf-8");