GET and POST request modes

The GET:

1. It can be displayed in the URL

2. GET can be used for general requests, but GET is used most of the time

POST:

1. Cannot be displayed in the URL

2. Transfer files to be encrypted, such as forms

3. When you submit a big document

Common status code

200: success

302: Temporary transfer to a new URL

307: Temporarily moved to a new URL

404： not  found

500: The server has an internal error