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This article is about how SpringMVC+myBatis can be used together. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

1. [code] controller fragment

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Package com.wg.test

Import javax.servlet.http.HttpServletRequest

Import org.springframework.beans.factory.annotation.Autowired

Import org.springframework.stereotype.Controller

Import org.springframework.web.bind.annotation.RequestMapping

Import org.springframework.web.bind.annotation.RequestMethod

Import org.springframework.web.servlet.ModelAndView

Import com.wg.bean.User

Import com.wg.service.UserService

@ Controller

Public class UserController {

@ Autowired

Private UserService userService

@ RequestMapping (value = "regist", method = RequestMethod.POST)

Public ModelAndView regist (HttpServletRequest request, User user) {

Try {

UserService.saveUser (user)

} catch (Exception e) {

E.printStackTrace ()

}

Request.setAttribute ("username", user.getUsername ())

Request.setAttribute ("password", user.getPassword ())

System.out.println (user.toString ())

Return new ModelAndView ("succ")

}

/ *

* user login

*

* annotate the configuration, only POST is allowed to submit to this method

*

* @ param username

* @ param password

* @ return

, /

@ RequestMapping (value = "login", method = RequestMethod.POST)

Public ModelAndView login (String username, String password) {

/ / verify that the passed parameters are correct, otherwise return to the login page.

If (this.checkParams (new String [] {username, password})) {

/ / specify the page to be returned as succ.jsp

ModelAndView mav = new ModelAndView ("succ")

/ / return parameters to the page

Mav.addObject ("username", username)

Mav.addObject ("password", password)

System.out

.println ("username=" + username + "password=" + password)

Return mav

}

Return new ModelAndView ("home")

}

/ *

* verify whether the parameter is empty

*

* @ param params

* @ return

, /

Private boolean checkParams (String [] params) {

For (String param: params) {

If (param = = "" | | param = = null | | param.isEmpty ()) {

Return false

}

}

Return true

}

}

two。 [code] web.xml configuration

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Org.springframework.web.context.ContextLoaderListener

ContextConfigLocation

Classpath:*-context.xml

MVC

Org.springframework.web.servlet.DispatcherServlet

ContextConfigLocation

/ WEB-INF/classes/mvc-context.xml

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MVC

* .do

Index.jsp

3. [code] spring-mvc configuration

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4. [code] userMapper configuration

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Select

Id

Username

Password

From user

Username = # {username} and password = # {password}

And id=# {id}

Insert into user (id,username,password) values (# {id}, # {username}, # {password})

Select last_insert_id () as id

Update user

Username=# {username}

Password=# {password}

Where id=# {id}

Delete from user where id=# {id}

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