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집  >  기사  >  Java  >  Mybatis를 사용하여 Spring 메소드 공유를 통합하는 방법

Mybatis를 사용하여 Spring 메소드 공유를 통합하는 방법

黄舟
黄舟원래의
2017-09-02 10:43:561284검색

이 글에서는 Spring을 통합한 Mybatis의 예제 코드를 주로 소개합니다. 필요한 친구들은

기타 필요한 도구나 기술:

프로젝트 관리 도구: Maven

프론트엔드 WEB 디스플레이: JSP

기타를 참조하세요. 프레임워크: Spring, Spring MVC

데이터베이스: Derby

새 Maven 웹 프로젝트 만들기

Maven 종속성:


<!-- 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 테이블 생성 및 데이터 삽입


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,&#39;1st&#39;,&#39;111&#39;,&#39;Jack&#39;);  
INSERT INTO USER_TEST_TB VALUES(2,&#39;2nd&#39;,&#39;222&#39;,&#39;Rose&#39;);  
INSERT INTO USER_TEST_TB VALUES(3,&#39;3rd&#39;,&#39;333&#39;,&#39;Will&#39;);

web.xml(scr /main /webapp/WEB-INF)


<?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 (Spring의 서블릿 구성 파일 scr/main/webapp/WEB-INF)


<?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 파일


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 디렉토리 아래)


<%@ 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 디렉토리 아래)


<%@ 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 (Spring의 애플리케이션 구성 파일은 src/main/resources 디렉터리에 있습니다)


<?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 파일

UserController.Java(src/main/java/com.bjpowernode.practice.controller 디렉터리에 있음)


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(src/main/java/com.bjpowernode.practice에 있음)


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(src/main/java/com.bjpowernode.practice 디렉터리에 있음)


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 매퍼 구성 파일, src/main/java/com.bjpowernode.practice 디렉터리에 있음)


<?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>

Summary

위 내용은 Mybatis를 사용하여 Spring 메소드 공유를 통합하는 방법의 상세 내용입니다. 자세한 내용은 PHP 중국어 웹사이트의 기타 관련 기사를 참조하세요!

성명：
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