MyBatis3整合Spring3、SpringMVC3

开发环境：

System：Windows

WebBrowser：IE6+、Firefox3+

JavaEE Server：tomcat5.0.2.8、tomcat6

IDE：eclipse、MyEclipse 8

Database：MySQL

开发依赖库：

JavaEE5、Spring 3.0.5、Mybatis 3.0.4、myBatis-spring-1.0、junit4.8.2

Email：hoojo_@126.com

Blog：http://blog.csdn.net/IBM_hoojo

http://hoojo.cnblogs.com/

百度文库：http://wenku.baidu.com/view/34559702a6c30c2259019e4e.html

文档压缩包：下载

1、首先新建一个WebProject 命名为MyBatisForSpring，新建项目时，使用JavaEE5的lib库。然后手动添加需要的jar包，所需jar包如下：

2、添加spring的监听及springMVC的核心Servlet，web.xml内容，内容如下：

<!-- 加载Spring容器配置 -->

<listener>

    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

</listener>

<!-- 设置Spring容器加载配置文件路径 -->

<context-param>

    <param-name>contextConfigLocation</param-name>

    <param-value>classpath*:applicationContext-*.xml</param-value>

</context-param>

<!-- 配置Spring核心控制器 -->

<servlet>

    <servlet-name>dispatcher</servlet-name>

    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

    <init-param>

        <param-name>contextConfigLocation</param-name>

        <param-value>/WEB-INF/dispatcher.xml</param-value>

    </init-param>

    <load-on-startup>1</load-on-startup>

</servlet>

<servlet-mapping>

    <servlet-name>dispatcher</servlet-name>

    <url-pattern>*.do</url-pattern>

</servlet-mapping>

<!-- 解决工程编码过滤器 -->

<filter>

    <filter-name>characterEncodingFilter</filter-name>

    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>

    <init-param>

        <param-name>encoding</param-name>

        <param-value>UTF-8</param-value>

    </init-param>

</filter>

<filter-mapping>

    <filter-name>characterEncodingFilter</filter-name>

    <url-pattern>/*</url-pattern>

</filter-mapping>

3、在WEB-INF目录中添加dispatcher.xml，内容如下：

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

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

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

    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"

    <!-- 注解探测器 -->

    <context:component-scan base-package="com.hoo"/>

    <!--  annotation默认的方法映射适配器 -->

    <bean id="handlerMapping" class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping" />

    <bean id="handlerAdapter" class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />

</beans>

4、在src目录下添加applicationContext-common.xml，内容如下：

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

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

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

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

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

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

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

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

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

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

    <!-- 配置DataSource数据源 -->

    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">

        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>

        <property name="url" value="jdbc:mysql://10.0.0.131:3306/ash2"/>

        <property name="username" value="dev"/>

        <property name="password" value="dev"/>

    </bean>

    <!-- 配置SqlSessionFactoryBean -->

    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">

        <property name="dataSource" ref="dataSource"/>

        <property name="configLocation" value="classpath:mybatis.xml"/>

        <!-- mapper和resultmap配置路径 -->

        <property name="mapperLocations">

            <list>

                <!-- 表示在com.hoo.resultmap包或以下所有目录中，以-resultmap.xml结尾所有文件 -->

                <value>classpath:com/hoo/resultmap/**/*-resultmap.xml</value>

                <value>classpath:com/hoo/entity/*-resultmap.xml</value>

                <value>classpath:com/hoo/mapper/**/*-mapper.xml</value>

            </list>

        </property>

    </bean>

    <!-- 单独配置一个Mapper； 这种模式就是得给每个mapper接口配置一个bean -->

    <!--

    <bean id="accountMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">

        <property name="mapperInterface" value="com.hoo.mapper.AccountMapper" />

        <property name="sqlSessionFactory" ref="sqlSessionFactory" />

    </bean>

    <bean id="companyMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">

        <property name="mapperInterface" value="com.hoo.mapper.CompanyMapper" />

        <property name="sqlSessionFactory" ref="sqlSessionFactory" />

    </bean>

-->

    <!-- 通过扫描的模式，扫描目录在com/hoo/mapper目录下，所有的mapper都继承SqlMapper接口的接口， 这样一个bean就可以了 -->

    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">

        <property name="basePackage" value="com.hoo.mapper"/>

        <property name="markerInterface" value="com.hoo.mapper.SqlMapper"/>

    </bean>

</beans>

上面的配置最先配置的是DataSource，这里采用的是jdbc的DataSource；

然后是SqlSessionFactoryBean，这个配置比较关键。SqlSessionFactoryBean需要注入DataSource数据源，其次还要设置configLocation也就是mybatis的xml配置文件路径，完成一些关于mybatis的配置，如settings、mappers、plugin等；

如果使用mapperCannerConfigurer模式，需要设置扫描根路径也就是你的mybatis的mapper接口所在包路径；凡是markerInterface这个接口的子接口都参与到这个扫描，也就是说所有的mapper接口继承这个SqlMapper。

如果你不使用自己的transaction事务，就使用MapperScannerConfigurer来完成SqlSession的打开、关闭和事务的回滚操作。在此期间，出现数据库操作的如何异常都会被转换成DataAccessException，这个异常是一个抽象的类，继承RuntimeException；

5、 SqlMapper内容如下：

package com.hoo.mapper;

/**

 * <b>function:</b>所有的Mapper继承这个接口

 * @author hoojo

 * @createDate 2011-4-12 下午04:00:31

 * @file SqlMapper.java

 * @package com.hoo.mapper

 * @project MyBatisForSpring

 * @blog http://blog.csdn.net/IBM_hoojo

 * @email hoojo_@126.com

 * @version 1.0

*/

public interface SqlMapper {

6、实体类和ResultMap.xml

package com.hoo.entity;

import java.io.Serializable;

import javax.persistence.Entity;

@Entity

public class Account implements Serializable {

    private static final long serialVersionUID = -7970848646314840509L;

    private Integer accountId;

    private Integer status;

    private String username;

    private String password;

    private String salt;

    private String email;

    private Integer roleId;

    //getter、setter

    @Override

    public String toString() {

        return this.accountId + "#" + this.status + "#" + this.username +  "#" +

            this.password +  "#" + this.email +  "#" + this.salt + "#" + this.roleId;

account-resultmap.xml

<?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="accountMap">

    <resultMap type="com.hoo.entity.Account" id="accountResultMap">

        <id property="accountId" column="account_id"/>

        <result property="username" column="username"/>

        <result property="password" column="password"/>

        <result property="status" column="status"/>

    </resultMap>

</mapper>

7、在src目录中添加applicationContext-beans.xml内容如下：

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

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

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

    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"

    <!-- 注解探测器 ， 在JUnit测试的时候需要-->

    <context:component-scan base-package="com.hoo"/>

</beans>

这里配置bean对象，一些不能用annotation注解的对象就可以配置在这里

8、在src目录中添加mybatis.xml，内容如下：

<?xml version="1.0" encoding="UTF-8" ?>

<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd">

<configuration>

    <!-- 别名 -->

    <typeAliases>

        <typeAlias type="com.hoo.entity.Account" alias="account"/>

    </typeAliases>

</configuration>

在这个文件放置一些全局性的配置，如handler、objectFactory、plugin、以及mappers的映射路径（由于在applicationContext-common中的SqlSessionFactoryBean有配置mapper的location，这里就不需要配置）等

9、 AccountMapper接口，内容如下：

package com.hoo.mapper;

import java.util.List;

import org.apache.ibatis.annotations.Select;

import com.hoo.entity.Account;

/**

 * <b>function:</b>继承SqlMapper，MyBatis数据操作接口；此接口无需实现类

 * @author hoojo

 * @createDate 2010-12-21 下午05:21:20

 * @file AccountMapper.java

 * @package com.hoo.mapper

 * @project MyBatis

 * @blog http://blog.csdn.net/IBM_hoojo

 * @email hoojo_@126.com

 * @version 1.0

*/

public interface AccountMapper extends SqlMapper {

    public List<Account> getAllAccount();

    public Account getAccount();

    public Account getAccountById(String id);

    public Account getAccountByNames(String spring);

    @Select("select * from account where username = #{name}")

    public Account getAccountByName(String name);

    public void addAccount(Account account);

    public void editAccount(Account account);

    public void removeAccount(int id);

这个接口我们不需要实现，由mybatis帮助我们实现，我们通过mapper文件配置sql语句即可完成接口的实现。然后这个接口需要继承SqlMapper接口，不然在其他地方就不能从Spring容器中拿到这个mapper接口，也就是说当我们注入这个接口的时候将会失败。

当然，你不继承这个接口也可以。那就是你需要给买个mapper配置一个bean。配置方法如下：

<bean id="accountMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">

    <property name="mapperInterface" value="com.hoo.mapper.AccountMapper" />

    <property name="sqlSessionFactory" ref="sqlSessionFactory" />

</bean>

这里的MapperFactoryBean可以帮助我们完成Session的打开、关闭等操作

10、在com.hoo.mapper也就是在AccountMapper接口的同一个包下，添加account-mapper.xml，内容如下：

<?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">

<!-- namespace和定义的Mapper接口对应，并实现其中的方法 -->

<mapper namespace="com.hoo.mapper.AccountMapper">

    <!-- id和mapper接口中的方法名对应，resultType使用mybatis.xml中的别名 -->

    <select id="getAccount" resultType="account">

        <![CDATA[

            select * from account limit 1

]]>

    </select>

    <select id="getAllAccount" resultType="list" resultMap="accountResultMap">

        <![CDATA[

            select * from account

]]>

    </select>

    <!-- accountResultMap是account-resultmap.xml中定义的resultmap -->

    <select id="getAccountById" parameterType="string" resultType="com.hoo.entity.Account" resultMap="accountResultMap">

        <![CDATA[

            select * from account where account_id = #{id}

]]>

    </select>

    <!-- accountMap.accountResultMap是account-resultmap.xml中定义的resultmap，通过namespace.id找到 -->

    <select id="getAccountByNames" parameterType="string" resultMap="accountMap.accountResultMap">

        <![CDATA[

            select * from account where username = #{name}

]]>

    </select>

    <sql id="user_name_pwd">

        username, password

    </sql>

    <!-- 自动生成id策略 -->

    <insert id="addAccount" useGeneratedKeys="true" keyProperty="account_id" parameterType="account">

        insert into account(account_id, status, username, password)

        values(#{accountId}, #{status}, #{username}, #{password})

    </insert>

    <!-- 根据selectKey语句生成主键 -->

    <insert id="addAccount4Key" parameterType="account">

        <selectKey keyProperty="account_id" order="BEFORE" resultType="int">

            select cast(random() * 10000 as Integer) a from #Tab

        </selectKey>

        insert into account(account_id, status, username, password)

        values(#{accountId}, #{status}, #{username}, #{password})

    </insert>

    <update id="editAccount" parameterType="account">

        update account set

        status = #{status},

        username = #{username},

        password = #{password}

        where account_id = #{accountId}

    </update>

    <delete id="removeAccount" parameterType="int">

        delete from account where account_id = #{id}

    </delete>

</mapper>

上面的namespace和定义接口类路径对应，所有的sql语句，如select、insert、delete、update的id和方法名称对应。关于更多MyBatis内容的讲解，这里就不赘述的。这里只完成整合！如果你不懂可以去阅读其他关于MyBatis的资料。

11、为了测试发布，这里使用junit和spring官方提供的spring-test.jar，完成spring框架整合的测试，代码如下：

package com.hoo.mapper;

import java.util.List;

import javax.inject.Inject;

import org.springframework.test.context.ContextConfiguration;

import org.springframework.test.context.junit38.AbstractJUnit38SpringContextTests;

import com.hoo.entity.Account;

/**

 * <b>function:</b> AccountMapper JUnit测试类

 * @author hoojo

 * @createDate 2011-4-12 下午04:21:50

 * @file AccountMapperTest.java

 * @package com.hoo.mapper

 * @project MyBatisForSpring

 * @blog http://blog.csdn.net/IBM_hoojo

 * @email hoojo_@126.com

 * @version 1.0

*/

@ContextConfiguration("classpath:applicationContext-*.xml")

public class AccountMapperTest extends AbstractJUnit38SpringContextTests {

    @Inject

    //@Named("accountMapper")

    private AccountMapper mapper;

    public void testGetAccount() {

        System.out.println(mapper.getAccount());

    public void testGetAccountById() {

        System.out.println(mapper.getAccountById("28"));

    public void testGetAccountByName() {

        System.out.println(mapper.getAccountByName("user"));

    public void testGetAccountByNames() {

        System.out.println(mapper.getAccountByNames("user"));

    public void testAdd() {

        Account account = new Account();

        account.setEmail("temp@155.com");

        account.setPassword("abc");

        account.setRoleId(1);

        account.setSalt("ss");

        account.setStatus(0);

        account.setUsername("Jack");

        mapper.addAccount(account);

    public void testEditAccount() {

        Account acc = mapper.getAccountByNames("Jack");

        System.out.println(acc);

        acc.setUsername("Zhangsan");

        acc.setPassword("123123");

        mapper.editAccount(acc);

        System.out.println(mapper.getAccountById(acc.getAccountId() + ""));

    public void testRemoveAccount() {

        Account acc = mapper.getAccountByNames("Jack");

        mapper.removeAccount(acc.getAccountId());

        System.out.println(mapper.getAccountByNames("Jack"));

    public void testAccountList() {

        List<Account> acc = mapper.getAllAccount();

        System.out.println(acc.size());

        System.out.println(acc);

这里的注入并没有使用@Autowired、@Resource、@Qualifier注入，而是使用@Inject、@Named注入方式，Inject注入是JSR330的标准注入方式；而不局限于某个产品，使用于多个产品的使用，推荐使用这种方式；运行后，没有发现问题，就可以继续后续的编码工作了。

12、定义AccountDao接口及实现代码，代码如下：

package com.hoo.dao;

import java.util.List;

import org.springframework.dao.DataAccessException;

/**

 * <b>function:</b> Account数据库操作dao接口

 * @author hoojo

 * @createDate 2011-4-13 上午10:21:38

 * @file AccountDao.java

 * @package com.hoo.dao

 * @project MyBatisForSpring

 * @blog http://blog.csdn.net/IBM_hoojo

 * @email hoojo_@126.com

 * @version 1.0

*/

public interface AccountDao<T> {

/**

     * <b>function:</b> 添加Account对象信息

     * @author hoojo

     * @createDate 2011-4-13 上午11:50:05

     * @param entity Account

     * @return boolean 是否成功

     * @throws DataAccessException

*/

    public boolean addAccount(T entity) throws DataAccessException;

/**

     * <b>function:</b> 根据id对到Account信息

     * @author hoojo

     * @createDate 2011-4-13 上午11:50:45

     * @param id 编号id

     * @return Account

     * @throws DataAccessException

*/

    public T getAccount(Integer id) throws DataAccessException;

/**

     * <b>function:</b> 查询所有Account信息

     * @author hoojo

     * @createDate 2011-4-13 上午11:51:45

     * @param id 编号id

     * @return Account

     * @throws DataAccessException

*/

    public List<T> getList() throws DataAccessException;

接口实现

package com.hoo.dao.impl;

import java.util.List;

import javax.inject.Inject;

import org.springframework.dao.DataAccessException;

import org.springframework.stereotype.Repository;

import com.hoo.dao.AccountDao;

import com.hoo.entity.Account;

import com.hoo.mapper.AccountMapper;

/**

 * <b>function:</b> Account数据库操作dao

 * @author hoojo

 * @createDate 2011-4-13 上午10:25:02

 * @file AccountDaoImpl.java

 * @package com.hoo.dao.impl

 * @project MyBatisForSpring

 * @blog http://blog.csdn.net/IBM_hoojo

 * @email hoojo_@126.com

 * @version 1.0

*/

@SuppressWarnings("unchecked")

@Repository

public class AccountDaoImpl<T extends Account> implements AccountDao<T> {

    @Inject

    private AccountMapper mapper;

    public boolean addAccount(T entity) throws DataAccessException {

        boolean flag = false;

        try {

            mapper.addAccount(entity);

            flag = true;

        } catch (DataAccessException e) {

            flag = false;

            throw e;

        return flag;

    public T getAccount(Integer id) throws DataAccessException {

        T entity = null;

        try {

            entity = (T) mapper.getAccountById(String.valueOf(id));

        } catch (DataAccessException e) {

            throw e;

        return entity;

    public List<T> getList() throws DataAccessException {

        return (List<T>) mapper.getAllAccount();

13、服务层AccountBiz接口及实现代码

接口：

package com.hoo.biz;

import java.util.List;

import org.springframework.dao.DataAccessException;

/**

 * <b>function:</b> biz层Account接口

 * @author hoojo

 * @createDate 2011-4-13 上午11:33:04

 * @file AccountBiz.java

 * @package com.hoo.biz

 * @project MyBatisForSpring

 * @blog http://blog.csdn.net/IBM_hoojo

 * @email hoojo_@126.com

 * @version 1.0

*/

public interface AccountBiz<T> {

/**

     * <b>function:</b> 添加Account对象信息

     * @author hoojo

     * @createDate 2011-4-13 上午11:50:05

     * @param entity Account

     * @return boolean 是否成功

     * @throws DataAccessException

*/

    public boolean addAccount(T entity) throws DataAccessException;

/**

     * <b>function:</b> 根据id对到Account信息

     * @author hoojo

     * @createDate 2011-4-13 上午11:50:45

     * @param id 编号id

     * @return Account

     * @throws DataAccessException

*/

    public T getAccount(Integer id) throws DataAccessException;

/**

     * <b>function:</b> 查询所有Account信息

     * @author hoojo

     * @createDate 2011-4-13 上午11:51:45

     * @param id 编号id

     * @return Account

     * @throws DataAccessException

*/

    public List<T> getList() throws DataAccessException;

实现代码：

package com.hoo.biz.impl;

import java.util.List;

import javax.inject.Inject;

import org.springframework.dao.DataAccessException;

import org.springframework.stereotype.Service;

import com.hoo.biz.AccountBiz;

import com.hoo.dao.AccountDao;

import com.hoo.entity.Account;

import com.hoo.exception.BizException;

/**

 * <b>function:</b> Account Biz接口实现

 * @author hoojo

 * @createDate 2011-4-13 上午11:34:39

 * @file AccountBizImpl.java

 * @package com.hoo.biz.impl

 * @project MyBatisForSpring

 * @blog http://blog.csdn.net/IBM_hoojo

 * @email hoojo_@126.com

 * @version 1.0

*/

//@Component

@Service

public class AccountBizImpl<T extends Account> implements AccountBiz<T> {

    @Inject

    private AccountDao<T> dao;

    public boolean addAccount(T entity) throws DataAccessException {

        if (entity == null) {

            throw new BizException(Account.class.getName() + "对象参数信息为Empty！");

        return dao.addAccount(entity);

    public T getAccount(Integer id) throws DataAccessException {

        return dao.getAccount(id);

    public List<T> getList() throws DataAccessException {

        return dao.getList();

上面用到了一个自定义的异常信息，代码如下：

package com.hoo.exception;

import org.springframework.dao.DataAccessException;

/**

 * <b>function:</b>自定义Biz层异常信息

 * @author hoojo

 * @createDate 2011-4-13 上午11:42:19

 * @file BizException.java

 * @package com.hoo.exception

 * @project MyBatisForSpring

 * @blog http://blog.csdn.net/IBM_hoojo

 * @email hoojo_@126.com

 * @version 1.0

*/

public class BizException extends DataAccessException {

/**

     * @author Hoojo

*/

    private static final long serialVersionUID = 1L;

    public BizException(String msg) {

        super(msg);

    public BizException(String msg, Throwable cause) {

        super(msg, cause);

这里只是简单的继承，如果还有其他的异常业务或需求可以进行具体的实现

14、 springMVC的控制器，AccountController代码如下：

package com.hoo.controller;

import javax.inject.Inject;

import javax.servlet.http.HttpServletRequest;

import org.springframework.stereotype.Controller;

import org.springframework.ui.Model;

import org.springframework.web.bind.annotation.ExceptionHandler;

import org.springframework.web.bind.annotation.RequestMapping;

import com.hoo.biz.AccountBiz;

import com.hoo.entity.Account;

/**

 * <b>function:</b> Account控制器

 * @author hoojo

 * @createDate 2011-4-13 上午10:18:02

 * @file AccountController.java

 * @package com.hoo.controller

 * @project MyBatisForSpring

 * @blog http://blog.csdn.net/IBM_hoojo

 * @email hoojo_@126.com

 * @version 1.0

*/

@Controller

@RequestMapping("/account")

public class AccountController {

    @Inject

    private AccountBiz<Account> biz;

    @RequestMapping("/add")

    public String add(Account acc) {

        System.out.println(acc);

        biz.addAccount(acc);

        return "redirect:/account/list.do";

    @RequestMapping("/get")

    public String get(Integer id, Model model) {

        System.out.println("##ID:" + id);

        model.addAttribute(biz.getAccount(id));

        return "/show.jsp";

    @RequestMapping("/list")

    public String list(Model model) {

        model.addAttribute("list", biz.getList());

        return "/list.jsp";

    @ExceptionHandler(Exception.class)

    public String exception(Exception e, HttpServletRequest request) {

        //e.printStackTrace();

        request.setAttribute("exception", e);

        return "/error.jsp";

15、基本页面代码

index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<%

1:

   2: String path = request.getContextPath();

   3: String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

  <head>

    <base href="<%=basePath%>">

    <title>MyBatis 整合  Spring 3.0.5</title>

    <meta http-equiv="pragma" content="no-cache">

    <meta http-equiv="cache-control" content="no-cache">

    <meta http-equiv="expires" content="0">

    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">

    <meta http-equiv="description" content="This is my page">

  </head>

  <body>

          <h3>MyBatis 3.0.4  整合  Spring 3.0.5</h3>

        <a href="account/list.do">查询所有</a><br/>

        <a href="account/add.do?username=abcdef&password=123132&status=2">添加</a><br/>

        <a href="account/get.do?id=25">查询</a><br/>

  </body>

</html>

List.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>

<%

1:

   2: String path = request.getContextPath();

   3: String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

  <head>

    <base href="<%=basePath%>">

    <title>all Account Result</title>

    <meta http-equiv="pragma" content="no-cache">

    <meta http-equiv="cache-control" content="no-cache">

    <meta http-equiv="expires" content="0">

    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">

    <meta http-equiv="description" content="This is my page">

  </head>

  <body>

        <c:forEach items="${list}" var="data">

            id: ${data.accountId }---name: ${data.username }---password: ${data.password }<hr/>

        </c:forEach>

  </body>

</html>

show.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<%

1:

   2: String path = request.getContextPath();

   3: String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

  <head>

    <base href="<%=basePath%>">

    <title>show Account</title>

    <meta http-equiv="pragma" content="no-cache">

    <meta http-equiv="cache-control" content="no-cache">

    <meta http-equiv="expires" content="0">

    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">

    <meta http-equiv="description" content="This is my page">

  </head>

  <body>

        ${account }<br/>

        ${account.username }#${account.accountId }

  </body>

</html>

error.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<%

String path = request.getContextPath();

String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

  <head>

    <base href="<%=basePath%>">

    <title>Error Page</title>

    <meta http-equiv="pragma" content="no-cache">

    <meta http-equiv="cache-control" content="no-cache">

    <meta http-equiv="expires" content="0">

    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">

    <meta http-equiv="description" content="This is my page">

  </head>

  <body>

    <H2>Exception: ${exception }</H2>

    <a href="javascript:document.getElementById('show').style.display = 'block';void(0);">

        详细信息

    </a>

    <div id="show" style="color: red; display: none;">

        <% Exception ex = (Exception)request.getAttribute("exception"); %> 

        <% ex.printStackTrace(new java.io.PrintWriter(out)); %>

    </div>

  </body>

</html>

16、以上就基本上完成了整个Spring+SpringMVC+MyBatis的整合了。如果你想添加事务管理，得在applicationContext-common.xml中加入如下配置：

<!-- 配置事务管理器，注意这里的dataSource和SqlSessionFactoryBean的dataSource要一致，不然事务就没有作用了 -->

<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

        <property name="dataSource" ref="dataSource" />

</bean>

同时还需要加入aspectjweaver.jar这个jar包；

注意的是：Jdbc的TransactionManager不支持事务隔离级别，我在整个地方加入其它的TransactionManager，增加对transaction的隔离级别都尝试失败！

也许可以用于jpa、jdo、jta这方面的东西。不知道大家对MyBatis的事务是怎么处理的？

17、对Dao进行扩展封装，运用SqlSessionDaoSupport进行模板的扩展或运用：

BaseDao代码如下：

package com.hoo.dao;

import java.util.List;

/**

 * <b>function:</b>

 * @author hoojo

 * @createDate 2011-4-12 下午04:18:09

 * @file IBaseDao.java

 * @package com.hoo.dao

 * @project MyBatisForSpring

 * @blog http://blog.csdn.net/IBM_hoojo

 * @email hoojo_@126.com

 * @version 1.0

 * @param <T>

*/

public interface BaseDao<T> {

    public boolean add(String classMethod, T entity) throws Exception;

    public boolean edit(String classMethod, T entity) throws Exception;

    public boolean remove(String classMethod, T entity) throws Exception;

    public T get(String classMethod, T entity) throws Exception;

    public List<T> getAll(String classMethod) throws Exception;

实现类代码：

package com.hoo.dao.impl;

import java.util.ArrayList;

import java.util.List;

import javax.inject.Inject;

import org.apache.ibatis.session.SqlSessionFactory;

import org.mybatis.spring.support.SqlSessionDaoSupport;

import org.springframework.stereotype.Repository;

import com.hoo.dao.BaseDao;

/**

 * <b>function:</b> 运用SqlSessionDaoSupport封装Dao常用增删改方法，可以进行扩展

 * @author hoojo

 * @createDate 2011-4-13 下午06:33:37

 * @file BaseDaoImpl.java

 * @package com.hoo.dao.impl

 * @project MyBatisForSpring

 * @blog http://blog.csdn.net/IBM_hoojo

 * @email hoojo_@126.com

 * @version 1.0

*/

@Repository

@SuppressWarnings({ "unchecked", "unused" })

public class BaseDaoImpl<T extends Object> extends SqlSessionDaoSupport implements BaseDao<T> {

    @Inject

    private SqlSessionFactory sqlSessionFactory;

    public boolean add(String classMethod, T entity) throws Exception {

        boolean flag = false;

        try {

            flag = this.getSqlSession().insert(classMethod, entity) > 0 ? true : false;

        } catch (Exception e) {

            flag = false;

            throw e;

        return flag;

    public boolean edit(String classMethod, T entity) throws Exception {

        boolean flag = false;

        try {

            flag = this.getSqlSession().update(classMethod, entity) > 0 ? true : false;

        } catch (Exception e) {

            flag = false;

            throw e;

        return flag;

    public T get(String classMethod, T entity) throws Exception {

        T result = null;

        try {

            result = (T) this.getSqlSession().selectOne(classMethod, entity);

        } catch (Exception e) {

            throw e;

        return result;

    public List<T> getAll(String classMethod) throws Exception {

        List<T> result = new ArrayList<T>();

        try {

            result = this.getSqlSession().selectList(classMethod);

        } catch (Exception e) {

            throw e;

        return result;

    public boolean remove(String classMethod, T entity) throws Exception {

        boolean flag = false;

        try {

            flag = this.getSqlSession().delete(classMethod, entity) > 0 ? true : false;

        } catch (Exception e) {

            flag = false;

            throw e;

        return flag;

值得说明的是，这个类继承了SqlSessionDaoSupport，它需要我们帮助它注入SqlSessionFactory或是SqlSessionTemplate，如果两者都被注入将忽略SqlSessionFactory属性，使用SqlSessionTemplate模板。

继承SqlSessionDaoSupport后，可以拿到SqlSession完成数据库的操作；

18、对Dao进行扩展封装，运用SqlSessionTemplate进行模板的扩展或运用：

首先看看这个组件中运用的一个Mapper的基类接口：

package com.hoo.mapper;

import java.util.List;

import org.springframework.dao.DataAccessException;

/**

 * <b>function:</b> BaseSqlMapper继承SqlMapper，对Mapper进行接口封装，提供常用的增删改查组件；

 * 也可以对该接口进行扩展和封装

 * @author hoojo

 * @createDate 2011-4-14 上午11:36:41

 * @file BaseSqlMapper.java

 * @package com.hoo.mapper

 * @project MyBatisForSpring

 * @blog http://blog.csdn.net/IBM_hoojo

 * @email hoojo_@126.com

 * @version 1.0

*/

public interface BaseSqlMapper<T> extends SqlMapper {

    public void add(T entity) throws DataAccessException;

    public void edit(T entity) throws DataAccessException;

    public void remvoe(T entity) throws DataAccessException;

    public T get(T entity) throws DataAccessException;

    public List<T> getList(T entity) throws DataAccessException;

该接口继承SqlMapper接口，但是该接口没有MyBatis的mapper实现。需要我们自己的业务mapper继承这个接口，完成上面的方法的实现。

看看继承SqlSessionTemplate的BaseMapperDao代码：

package com.hoo.dao;

import java.util.List;

import com.hoo.mapper.BaseSqlMapper;

/**

 * <b>function:</b>

 * @author hoojo

 * @createDate 2011-4-14 上午11:30:09

 * @file BaseMapperDao.java

 * @package com.hoo.dao

 * @project MyBatisForSpring

 * @blog http://blog.csdn.net/IBM_hoojo

 * @email hoojo_@126.com

 * @version 1.0

*/

public interface BaseMapperDao<T> {

    @SuppressWarnings("unchecked")

    public void setMapperClass(Class<? extends BaseSqlMapper> mapperClass);

    public boolean add(T entity) throws Exception;

    public boolean edit(T entity) throws Exception;

    public boolean remove(T entity) throws Exception;

    public T get(T entity) throws Exception;

    public List<T> getAll() throws Exception;

package com.hoo.dao.impl;

import java.util.List;

import javax.inject.Inject;

import org.apache.ibatis.session.SqlSessionFactory;

import org.mybatis.spring.SqlSessionTemplate;

import org.springframework.stereotype.Repository;

import com.hoo.dao.BaseMapperDao;

import com.hoo.mapper.BaseSqlMapper;

/**

 * <b>function:</b>运用SqlSessionTemplate封装Dao常用增删改方法，可以进行扩展

 * @author hoojo

 * @createDate 2011-4-14 下午12:22:07

 * @file BaseMapperDaoImpl.java

 * @package com.hoo.dao.impl

 * @project MyBatisForSpring

 * @blog http://blog.csdn.net/IBM_hoojo

 * @email hoojo_@126.com

 * @version 1.0

*/

@SuppressWarnings("unchecked")

@Repository

public class BaseMapperDaoImpl<T> extends SqlSessionTemplate implements BaseMapperDao<T> {

    @Inject

    public BaseMapperDaoImpl(SqlSessionFactory sqlSessionFactory) {

        super(sqlSessionFactory);

    private Class<? extends BaseSqlMapper> mapperClass;

    public void setMapperClass(Class<? extends BaseSqlMapper> mapperClass) {

        this.mapperClass = mapperClass;

    private BaseSqlMapper<T> getMapper() {

        return this.getMapper(mapperClass);

    public boolean add(T entity) throws Exception {

        boolean flag = false;

        try {

            this.getMapper().add(entity);

            flag = true;

        } catch (Exception e) {

            flag = false;

            throw e;

        return flag;

    public boolean edit(T entity) throws Exception {

        boolean flag = false;

        try {

            this.getMapper().edit(entity);

            flag = true;

        } catch (Exception e) {

            flag = false;

            throw e;

        return flag;

    public T get(T entity) throws Exception {

        return this.getMapper().get(entity);

    public List<T> getAll() throws Exception {

        return this.getMapper().getList(null);

    public boolean remove(T entity) throws Exception {

        boolean flag = false;

        try {

            this.getMapper().remvoe(entity);

            flag = true;

        } catch (Exception e) {

            flag = false;

            throw e;

        return flag;

上面这个类继承了SqlSessionTemplate，这个类需要提供一个构造函数。这里提供的是SqlSessionFactory的构造函数，通过该函数注入SqlSessionFactory即可完成数据库操作；

例外的是这个类还有一个关键属性mapperClass，这个class需要是BaseSqlMapper接口或是子接口，然后通过SqlSessionTemplate模板获得当前设置的Class的Mapper对象，完成数据库操作。

该类的测试代码：

@ContextConfiguration("classpath:applicationContext-*.xml")

public class BaseMapperDaoImplTest extends AbstractJUnit38SpringContextTests {

    @Inject

    private BaseMapperDao<Company> dao;

    public void init() {

        dao.setMapperClass(CompanyMapper.class);

    public void testGet() throws Exception {

        init();

        Company c = new Company();

        c.setCompanyId(4);

        System.out.println(dao.get(c));

    public void testAdd() throws Exception {

        init();

        Company c = new Company();

        c.setAddress("北京中关村");

        c.setName("beijin");

        System.out.println(dao.add(c));

一般情况下，你可以在一个Dao中注入BaseMapperDao，紧跟着需要设置MapperClass。只有设置了MapperClass后，BaseMapperDao才能获取对应mapper，完成相关的数据库操作。当然你可以在这个Dao中将SqlSessionTemplate、SqlSession暴露出来，当BaseMapperDao的方法不够用，可以进行扩展。

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