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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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