How Spring MVC specifies the HTTP request method for the processor method

This article mainly introduces how Spring MVC specifies the HTTP request method for the processor method, which is very detailed and has a certain reference value. Friends who are interested must read it!

Specify the HTTP request method for the processor method

Using the method attribute of the @ RequestMapping annotation, you can specify which HTTP methods (including GET, POST, PUT, and so on) are supported by the processor method. Such as:

Import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping import org.springframework.web.bind.annotation.RequestMethod; @ Controller publicclassLoginController {@ RequestMapping (value = "/ login", method = RequestMethod.GET) publicString viewLogin () {return "LoginForm";} @ RequestMapping (value = "/ login", method = RequestMethod.POST) publicString doLogin () {return "Home";}}

As shown above, the controller has two processing methods for the same URL mode / login. The first method is for the GET method, and the second method is for the POST method.

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