java - request.getsession().getattribute() garbled problem

Question

1. Pass the value in the address bar

2. Accept the value

3. The printed username is garbled.
4. Even if the encoding is set, it will not work.

Answer 1

1. If it is "user" passed from the page, check if the encoding on your page is UTF-8;
2. If it is setAttribute("user", "Zhang San") in the background of the program, then you need to check Is the encoding of the java file UTF-8?
3. If it is the same as 2, but "Zhang San" comes from the database, then look at the string "Zhang San" which is garbled when settingAttribute;

Summary:
Page, background java file, database unified encoding

Answer 2

Check to see if the user is garbled when passed in,,,