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link管理  ›  mybatis-系列教程(六)-与Spring集成（Integrate with Spring） - Freud's Blog
https://www.hifreud.com/2015/01/07/mybatis-6-Integrate-with-Spring/
憨厚的佛珠
8 月前
<groupId> org.springframework </groupId> <artifactId> spring-context </artifactId> <version> 4.0.0.RELEASE </version> </dependency> <dependency> <groupId> org.springframework </groupId> <artifactId> spring-webmvc </artifactId> <version> 4.0.0.RELEASE </version> </dependency> <dependency> <groupId> org.springframework </groupId> <artifactId> spring-tx </artifactId> <version> 4.0.0.RELEASE </version> </dependency> <dependency> <groupId> org.springframework </groupId> <artifactId> spring-jdbc </artifactId> <version> 4.0.0.RELEASE </version> </dependency> <!-- AspectJ --> <dependency> <groupId> org.aspectj </groupId> <artifactId> aspectjrt </artifactId> <version> 1.6.10 </version> </dependency> <!-- Logging --> <dependency> <groupId> org.slf4j </groupId> <artifactId> slf4j-api </artifactId> <version> 1.6.6 </version> </dependency> <dependency> <groupId> org.slf4j </groupId> <artifactId> jcl-over-slf4j </artifactId> <version> 1.6.6 </version> <scope> runtime </scope> </dependency> <dependency> <groupId> org.slf4j </groupId> <artifactId> slf4j-log4j12 </artifactId> <version> 1.6.6 </version> <scope> runtime </scope> </dependency> <!-- @Inject --> <dependency> <groupId> javax.inject </groupId> <artifactId> javax.inject </artifactId> <version> 1 </version> </dependency> <!-- Servlet --> <dependency> <groupId> javax.servlet </groupId> <artifactId> servlet-api </artifactId> <version> 2.5 </version> <scope> provided </scope> </dependency> <dependency> <groupId> javax.servlet.jsp </groupId> <artifactId> jsp-api </artifactId> <version> 2.1 </version> <scope> provided </scope> </dependency> <dependency> <groupId> javax.servlet </groupId> <artifactId> jstl </artifactId> <version> 1.2 </version> </dependency> <!-- Mybatis --> <dependency> <groupId> org.mybatis </groupId> <artifactId> mybatis </artifactId> <version> 3.2.7 </version> </dependency> <dependency> <groupId> org.mybatis </groupId> <artifactId> mybatis-spring </artifactId> <version> 1.2.1 </version> </dependency> <!-- Test --> <dependency> <groupId> junit </groupId> <artifactId> junit </artifactId> <version> 4.9 </version> <scope> test </scope> </dependency> <!-- Derby --> <dependency> <groupId> org.apache.derby </groupId> <artifactId> derby </artifactId> <version> 10.10.2.0 </version> </dependency> <dependency> <groupId> org.apache.derby </groupId> <artifactId> derbyclient </artifactId> <version> 10.10.2.0 </version> </dependency>

SQL建表及数据插入（如果前文作过，可以忽略） 

CREATE TABLE USER_TEST_TB(  
ID INT PRIMARY KEY,  
USERNAME VARCHAR(20) NOT NULL,  
PASSWORD VARCHAR(20) NOT NULL,  
NICKNAME VARCHAR(20) NOT NULL  
INSERT INTO USER_TEST_TB VALUES(1,'1st','111','Jack');  
INSERT INTO USER_TEST_TB VALUES(2,'2nd','222','Rose');  
INSERT INTO USER_TEST_TB VALUES(3,'3rd','333','Will');

web.xml（scr/main/webapp/WEB-INF下） 

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
	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_2_5.xsd">
	<!-- Spring 的配置 -->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>/WEB-INF/*Context.xml</param-value>
	</context-param>
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
	<servlet>
		<servlet-name>appServlet</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>appServlet</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>
</web-app>

appServlet-servlet.xml（Spring的Servlet配置文件scr/main/webapp/WEB-INF下） 

<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/mvc"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:beans="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
	<!-- 开启Annotation支持 -->
	<annotation-driven />
	<!-- Spring的渲染层配置 -->
	<beans:bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<beans:property name="prefix" value="/WEB-INF/views/" />
		<beans:property name="suffix" value=".jsp" />
	</beans:bean>
	<!-- Spring的Annotation默认扫描包 -->
	<context:component-scan base-package="com.freud.practice" />
	<!-- 引入其他Spring配置文件 -->
	<beans:import resource="classpath:applicationContext.xml" />
</beans:beans>

JSP文件

show.jsp

src/main/webapp/WEB-INF/views 目录下 

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
	pageEncoding="ISO-8859-1"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Show All Users</title>
<style type="text/css">
margin: 0px;
padding: 0px;
</style>
</head>
	<table border="1px" bordercolor="green">
		<thead>
				<th>USER_NAME</th>
				<th>PASSWORD</th>
				<th>NICK_NAME</th>
				<th>EDIT</th>
				<th>DELETE</th>
			<c:forEach items="${users}" var="user" varStatus="status">
					<td>${user.username}</td>
					<td>${user.password}</td>
					<td>${user.nickname}</td>
					<td><a href="update/${user.id}">edit</a></td>
					<td><a href="delete/${user.id}">delete</a></td>
			</c:forEach>
		</thead>
	</table>
	<a href="insert">Add new User</a>
</body>
</html>

update.jsp

src/main/webapp/WEB-INF/views 目录下 

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Update Profile</title>
</head>
	<form action="${user.id}" method="post">
		User ID:${user.id}<br>
		Username:<input type="text" name="username" value="${user.username}"/><br>
		Password:<input type="text" name="password" value="${user.password}"/><br>
		Nickname:<input type="text" name="nickname" value="${user.nickname}"/><br>
		<input type="submit" value="submit">
	</form>
</body>
</html>

insert.jsp

src/main/webapp/WEB-INF/views 目录下 

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
	pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert Profile</title>
</head>
	<form action="" method="post">
		User Id:<input type="text" name="id"><br>
		Username:<input type="text" name="username" /><br>
		Password:<input type="text" name="password"/><br>
		Nickname:<input type="text" name="nickname"/><br>
		<input type="submit" value="submit">
	</form>
</body>
</html>

applicationContext.xml

Spring的Application配置文件在src/main/resources目录下 

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:lang="http://www.springframework.org/schema/lang" xmlns:mvc="http://www.springframework.org/schema/mvc"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:mybatis-spring="http://mybatis.org/schema/mybatis-spring"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
		http://www.springframework.org/schema/lang http://www.springframework.org/schema/lang/spring-lang-4.0.xsd
		http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
		http://mybatis.org/schema/mybatis-spring http://mybatis.org/schema/mybatis-spring-1.2.xsd">
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="com.freud.practice" />
		<property name="sqlSessionFactoryBeanName" value="derbySqlSessionFactory" />
	</bean>
	<!-- 配置Derby驱动数据源 -->
	<bean id="derbyDataSource"
		class="org.springframework.jdbc.datasource.DriverManagerDataSource">
		<property name="driverClassName" value="org.apache.derby.jdbc.ClientDriver" />
		<property name="url" value="jdbc:derby://localhost:1527/freud;create=true" />
	</bean>
	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"
		name="derbySqlSessionFactory">
		<property name="dataSource" ref="derbyDataSource" />
		<property name="mapperLocations" value="classpath*:com/freud/practice/*Mapper.xml" />
	</bean>
    <!-- 事务管理器 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="derbyDataSource" />
    </bean>
    <!-- 开启基于注解的事务 -->
    <tx:annotation-driven />
</beans>

Java文件

UserController.java

在 src/main/java/com.freud.practice.controller 目录下 

package com.freud.practice.controller;
import com.freud.practice.User;
import com.freud.practice.UserMapper;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
@EnableWebMvc
@Controller
public class UserController
	@Autowired
	private UserMapper userMapper;
	 * 获得所有的User信息
	 * @param model
	 * @return
	@RequestMapping(value = {"/", ""}, method = RequestMethod.GET)
	public String getAllUser(Model model)
		List<User> users = userMapper.getUsers();
		System.out.println("Show all user size:" + users.size());
		model.addAttribute("users", users);
		return "show";
	 * INSERT的GET请求，跳转到Insert的View即insert.jsp
	 * @return
	@RequestMapping(value = {"/insert", ""}, method = RequestMethod.GET)
	public String insertUser()
		return "insert";
	 * INSERT的POST请求，执行插入操作并返回ShowAll页面
	 * @param user
	 * @return
	@RequestMapping(value = {"/insert", ""}, method = RequestMethod.POST)
	public String insertUserPOST(User user)
		userMapper.insertUser(user);
		return "redirect:/";
	 * UPDATE的GET请求，跳转到update的View即update.jsp
	 * @param id
	 * @param model
	 * @return
	@RequestMapping(value = {"/update/{id}", ""}, method = RequestMethod.GET)
	public String updateUser(@PathVariable String id, Model model)
		model.addAttribute("user", userMapper.getUser(Integer.valueOf(id)));
		return "update";
	 * UPDATE的POST请求，执行更新操作并返回ShowAll页面
	 * @param id
	 * @param user
	 * @return
	@RequestMapping(value = {"/update/{id}", ""}, method = RequestMethod.POST)
	public String updateUserPOST(@PathVariable String id, User user)
		userMapper.updateUser(user);
		return "redirect:/";
	 * 通过Id删除USER
	 * @param id
	 * @return
	@RequestMapping(value = {"/delete/{id}", ""}, method = RequestMethod.GET)
	public String deleteUser(@PathVariable int id)
		userMapper.deleteUser(id);
		return "redirect:/";

User.java


在src/main/java/com.freud.practice目录下


package com.freud.practice;
 * User 对象。
 * @author Freud Kang
public class User
	private Integer id;
	private String username;
	private String password;
	private String nickname;
	public Integer getId()
		return id;
	public void setId(Integer id)
		this.id = id;
	public String getUsername()
		return username;
	public void setUsername(String username)
		this.username = username;
	public String getPassword()
		return password;
	public void setPassword(String password)
		this.password = password;
	public String getNickname()
		return nickname;
	public void setNickname(String nickname)
		this.nickname = nickname;

UserMapper.java


在src/main/java/com.freud.practice目录下


package com.freud.practice;
import java.util.List;
public interface UserMapper
	 * 获得所有User
	 * @return
	public List<User> getUsers();
	 * 通过Id获得User
	 * @param id
	 * @return
	public User getUser(int id);
	 * 插入User
	 * @param user
	public void insertUser(User user);
	 * 更新User
	 * @param user
	public void updateUser(User user);
	 * 通过Id删除User
	 * @param userId
	public void deleteUser(int userId);

UserMapper.xml


mybatis的mapper配置文件，在src/main/java/com.freud.practice目录下


<?xml version="1.0" encoding="UTF-8" ?>  
<!DOCTYPE mapper  
 PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"  
 "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.freud.practice.UserMapper">
	<!-- 查询 -->
	<select id="getUsers" resultType="com.freud.practice.User">
		select *
		from USER_TEST_TB
	</select>
	<!-- 查询 -->
	<select id="getUser" resultType="com.freud.practice.User">
		select *
		from USER_TEST_TB
		where ID=#{id}
	</select>
	<!-- 插入 -->
	<insert id="insertUser">
		insert into 
			USER_TEST_TB 
		values(#{id},#{username},#{password},#{nickname})
	</insert>
	<!-- 更改 -->
	<update id="updateUser">
		update USER_TEST_TB set
    		USERNAME = #{username},
   	 		PASSWORD = #{password},
    		NICKNAME = #{nickname}
		where ID = #{id}
	</update>
	<!-- 删除 -->
	<delete id="deleteUser">
		delete from USER_TEST_TB where ID=#{id}
	</delete>
</mapper>
 
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