SpringMVC+myBatis如何结合使用

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1. [代码]控制器片段     

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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");

    }

 

    /***

     * 用户登陆

     *

     * 注解配置,只允许POST提交到该方法

     *

     * @param username

     * @param password

     * @return

     */

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

    public ModelAndView login(String username, String password) {

        // 验证传递过来的参数是否正确,否则返回到登陆页面。

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

            // 指定要返回的页面为succ.jsp

            ModelAndView mav = new ModelAndView("succ");

            // 将参数返回给页面

            mav.addObject("username", username);

            mav.addObject("password", password);

            System.out

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

            return mav;

        }

        return new ModelAndView("home");

    }

 

    /***

     * 验证参数是否为空

     *

     * @param params

     * @return

     */

    private boolean checkParams(String[] params) {

        for (String param : params) {

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

                return false;

            }

        }

        return true;

    }

}

2. [代码]web.xml配置     

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    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 

    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee  

    http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"> 

       

     

     

         

            org.springframework.web.context.ContextLoaderListener 

         

     

       

     

     

        contextConfigLocation 

        classpath:*-context.xml 

     

       

     

     

        MVC 

        org.springframework.web.servlet.DispatcherServlet 

         

         

             

            contextConfigLocation 

             

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

             

         

        1 

     

   

     

     

        MVC 

        *.do 

     

   

     

        index.jsp 

     

   

   

3. [代码]spring-mvc配置     

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    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"

    xmlns:context="http://www.springframework.org/schema/context"

    xsi:schemaLocation="http://www.springframework.org/schema/beans

  http://www.springframework.org/schema/beans/spring-beans-3.0.xsd

  http://www.springframework.org/schema/context

  http://www.springframework.org/schema/context/spring-context-3.0.xsd">

 

    

 

    

        class="org.springframework.web.servlet.view.UrlBasedViewResolver">

        

            value="org.springframework.web.servlet.view.JstlView" />

        

        

    

4. [代码]userMapper配置     

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"http://mybatis.org/dtd/mybatis-3-mapper.dtd">

    

    

    

    

        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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本文标题:SpringMVC+myBatis如何结合使用
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