The difference between get and post

Before that , Let's take a look at the standard answers from the Internet ：

        1.GET Parameters are usually included in URL in , and POST adopt Request body in .GET It is harmless when the browser is backout , and POST The request will be submitted again .

        2.GET The request parameters will be completely preserved in the browser history , and POST The parameters in are not retained .

        3.GET Request can only proceed url code , and POST Supports a variety of coding methods .

        4.GET Request in URL There is a length limit on the parameters passed in

        5. The data type for the parameter ,GET We only accept ASCII character , and POST There is no limit to

• Check through Google CSDN Of Headers:

• GET Method

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　　GET It means getting information .

　　GET By default HTTP Request method .

　　GET Method to pass the parameters key/value The form is stored in URL Inside , If the parameter is displayed as it is in English , If it is Chinese or other characters encryption , therefore GET Request in URL There is a length limit on the parameters passed in . It's not safe because the parameter shows the address bar , Generally, requests requiring confidentiality are not used GET.

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• POST Method

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        POST E-mail means . It is used to modify data on the server , Generally, these data should be kept confidential , It's like a letter , The contents of the letter can only be seen by the addressee . When the user enters the account and password to log in, the account and password are passed as parameters HTTP Request transfer to server , It must not be used at this time GET Method to display the account password directly URL On , You should use POST Methods to ensure the confidentiality of data .

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• that POST and GET What is it? ？

　　POST and GET yes HTTP Two ways to request , It can send data from browser to server with parameter request .HTTP The underlying protocol of the request is TCP/IP, So there is no essential difference between the two . Of course, there are other ways to request . I haven't used anything else , If you learned later , In addition .