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.
大家讲道理2017-06-23 09:15:39
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