MyBatis系列教程(六)-- 与Spring综合（Integrate with Spring）
其它工具或技术需要使用:
项目管理工具 : Maven
前台WEB图库：JSP
其他框架:Spring, Spring MVC
数据库 : Derby
Maven的Web项目
Maven Dependencies:
<!-- 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（假设前文作过，能够忽略）
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" /> <!-- 引入其它Spring配置文件 --> <beans:import resource="classpath:applicationContext.xml" /> </beans:beans>
JSP文件
show.jsp(src/main/webapp/WEB-INF/views文件夹下)
<%@ 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/${user.id}">edit</a></td>
<td><a href="delete/${user.id}">delete</a></td>
</tr>
</c:forEach>
</thead>
</table>
<a href="insert">Add new User</a>
</body>
</html>update.jsp(src/main/webapp/WEB-INF/views文件夹下)
<%@ 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">
<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文件夹下)
<%@ 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"> <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文件夹下)
<?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文件夹下）
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;
/**
*
* 获得全部的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，运行插入操作并返回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，运行更新操作并返回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)
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文件夹下)
package com.freud.practice;
import java.util.List;
public interface UserMapper
{
/**
*
* 获得全部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文件夹下）
<?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>
版权声明：本文博主原创文章，博客，未经同意不得转载。
