The difference between get and post

1,get Generally used to request data ;post It is generally used to send data to the background

2,get The passed data parameters will be displayed in the address bar , Low security , And the parameter length is limited ;post The passed parameters will be placed in request body in , Safety ratio get high , The parameter has no length limit

3,get The requested parameters will be cached , Keep in browser url In the history of ,post Can't

4,GET The request will be initiated by the browser cache, and POST Can't , Unless manually set

5,get Produce a TCP Data packets ;post Produce two TCP Data packets .

• about GET Method request , The browser will http header and data Send along , Server response 200（ Return the data ）;
• And for POST, Browser sends first header, Server response 100 continue, The browser sends data, Server response 200 ok（ Return the data ）.