Getting started with JSP built-in objects (3) Request object detailed "02"

There are many methods about the request object, in the JSP built-in object "03" request Detailed "01", we have learned the request object in the parameter acceptance problem, then look at the other methods of request now:

Garbled solution (Setcharacterencoding ())

Garbled but the problem in web development Big Brother, I believe that a lot of people who have come into contact with this thing have a considerable headache.

What is garbled?

In the running of the program, the original should be displayed in the Chinese unexpectedly turned into a baffling other characters, then we say that we met garbled. Let's take the following procedure as an example:

request_01.jsp     
   <%@ page language= "java" contenttype= "text/html" pageencoding= "GBK"%>