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Mybatis集成Spring的实例代码_动力节点Java 学院整理

时间：2020-12-25 12:19     来源/作者：动力节点

所需要用到的其他工具或技术:

项目管理工具 : Maven

前台WEB展示：JSP

其他框架:Spring, Spring MVC

数据库 : Derby

新建一个Maven的Web项目

Maven Dependencies:

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<!-- Spring -->
    <dependency>
      <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

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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）

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<?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）

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<?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.bjpowernode.practice" />
  <!-- 引入其他Spring配置文件 -->
  <beans:import resource="classpath:applicationContext.xml" />
</beans:beans>

JSP文件

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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">
<html>
<head>
<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>
<body>
  <table border="1px" bordercolor="green">
    <thead>
      <tr>
        <th>USER_NAME</th>
        <th>PASSWORD</th>
        <th>NICK_NAME</th>
        <th>EDIT</th>
        <th>DELETE</th>
      </tr>
      <c:forEach items="${users}" var="user" varStatus="status">
        <tr>
          <td>${user.username}</td>
          <td>${user.password}</td>
          <td>${user.nickname}</td>
          <td><a href="update/${user.id}" rel="external nofollow" >edit</a></td>
          <td><a href="delete/${user.id}" rel="external nofollow" >delete</a></td>
        </tr>
      </c:forEach>
    </thead>
  </table>
  <a href="insert" rel="external nofollow" >Add new User</a>
</body>
</html>

update.jsp(src/main/webapp/WEB-INF/views目录下)

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<%@ 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">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Update Profile</title>
</head>
<body>
  <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)

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<%@ 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">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert Profile</title>
</head>
<body>
 
  <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)

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<?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.bjpowernode.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.bjpowernode.practice.controller目录下）

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package com.bjpowernode.practice.controller;
import com.bjpowernode.practice.User;
import com.bjpowernode.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.bjpowernode.practice)

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package com.bjpowernode.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.bjpowernode.practice目录下)

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package com.bjpowernode.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.bjpowernode.practice目录下）

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<?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.bjpowernode.practice.UserMapper">
  <!-- 查询 -->
  <select id="getUsers" resultType="com.bjpowernode.practice.User">
    select *
    from USER_TEST_TB
  </select>
  <!-- 查询 -->
  <select id="getUser" resultType="com.bjpowernode.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>

总结

以上所述是小编给大家介绍的Mybatis集成Spring的实例代码，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持！

标签：
mybatis spring 

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