How to solve the problem of garbled Ajax gb2312

1. The client post is garbled in simplified Chinese.
Request. setRequestHeader ("Content-Type", "application/X-WWW-form-urlencoded; charset = gb2312 ");
2. The server responds to the simplified Chinese Garbled text.
1) ASP. NET
Method 1. Modify the Web. config file
<Globalization requestencoding = "gb2312" responseencoding = "gb2312" fileencoding = "gb2312"/>
Method 2. Set the response code to gb2312in the service response code.
2) ASP
Add the following statement to the server code:
Response. charset = "gb2312"