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在网上查了MyBatis+Spring的结合,真的是太多太多了,可是没有几个代码是完整的..这两项整合花了我两天时间,终于被我整合完成...其实也很简单,原因:JAR包的问题...
由于Ibatis被改名为MyBatis,所以,网上很多都是有关Ibatis而MyBatis却很少很少...
本文以MyBatis3.0.6 + Spring3.0.6为例结合(一定要这个版本才行):
定义一个实体类:Emp.java
package com.lixing.scm.entity;
public class Emp {
private String id;
private String name;
private String sex;
private int age;
private String phone;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
}
定义实体内操作接口:EmpMapper.java
package com.lixing.scm.test.mapper; import java.util.List;
import java.util.Map; import com.lixing.scm.entity.Emp; public interface EmpMapper {
void insertEmp(Emp emp);
List<Emp> getAllEmp();
Emp getById(String id);
void deleteEmp(String id);
void updateEmp(Map<String,Object> map);
}
定义实体类操作接口的映射文件:EmpMapper.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="com.lixing.scm.test.mapper.EmpMapper">
<parameterMap type="com.lixing.scm.entity.Emp" id="parameterMapEmp">
<parameter property="id"/>
<parameter property="name"/>
<parameter property="sex"/>
<parameter property="age"/>
<parameter property="phone"/>
</parameterMap> <resultMap type="com.lixing.scm.entity.Emp" id="resultMapEmp">
<result property="id" column="id"/>
<result property="name" column="name"/>
<result property="sex" column="sex"/>
<result property="age" column="age"/>
<result property="phone" column="phone"/>
</resultMap> <insert id="insertEmp" parameterMap="parameterMapEmp">
INSERT INTO emp(id,name,sex,age,phone)
VALUES(?,?,?,?,?)
</insert>
<select id="getAllEmp" resultMap="resultMapEmp">
SELECT * FROM emp
</select>
<select id="getById" parameterType="String" resultMap="resultMapEmp">
SELECT * FROM emp
WHERE id=#{value}
</select>
<delete id="deleteEmp" parameterType="String">
DELETE FROM emp
WHERE id=#{value}
</delete>
<update id="updateEmp" parameterType="java.util.Map">
UPDATE emp
SET name=#{name},sex=#{sex},age=#{age},phone=#{phone}
WHERE id=#{id}
</update>
</mapper>
Spring3.0.6定义:applicationContext.xml
<?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:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
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
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd"> <!-- -->
<context:annotation-config />
<context:component-scan base-package="com.lixing.scm.test.*" /> <!-- jdbc.propertis Directory -->
<bean
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations" value="classpath:jdbc.properties" />
</bean> <bean id="MyDataSource" destroy-method="close"
class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" value="${jdbc.driverClassName}" />
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
</bean> <!-- SqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="MyDataSource" />
</bean>
<!-- ScanMapperFiles -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.lixing.scm.test.mapper" />
</bean> <!-- ================================事务相关控制================================================= -->
<bean name="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="MyDataSource"></property>
</bean> <tx:advice id="userTxAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="delete*" propagation="REQUIRED" read-only="false"
rollback-for="java.lang.Exception" no-rollback-for="java.lang.RuntimeException"/>
<tx:method name="insert*" propagation="REQUIRED" read-only="false"
rollback-for="java.lang.RuntimeException" />
<tx:method name="update*" propagation="REQUIRED" read-only="false"
rollback-for="java.lang.Exception" /> <tx:method name="find*" propagation="SUPPORTS"/>
<tx:method name="get*" propagation="SUPPORTS"/>
<tx:method name="select*" propagation="SUPPORTS"/>
</tx:attributes>
</tx:advice> <aop:config>
<aop:pointcut id="pc" expression="execution(public * com.lixing.scm.test.service.*.*(..))" /> <!--把事务控制在Service层-->
<aop:advisor pointcut-ref="pc" advice-ref="userTxAdvice" />
</aop:config> <!-- 以下为自定义Bean-->
<bean id="empDao" class="com.lixing.scm.test.dao.impl.EmpDaoImpl"
autowire="byName" />
<bean id="empService" class="com.lixing.scm.test.service.impl.EmpServiceImpl" autowire="byName"/>
</beans>
DAO接口:EmpDAO.java
package com.lixing.scm.test.dao; import java.util.List;
import java.util.Map; import com.lixing.scm.entity.Emp; public interface EmpDao {
void insertEmp(Emp emp);
List<Emp> getAllEmp();
Emp getById(String id);
void deleteEmp(String id);
void updateEmp(Map<String, Object> map);
}
DAO接口实现类：EmpDaoImpl.java
package com.lixing.scm.test.dao.impl; import java.util.List;
import java.util.Map; import com.lixing.scm.entity.Emp;
import com.lixing.scm.test.dao.EmpDao;
import com.lixing.scm.test.mapper.EmpMapper; public class EmpDaoImpl implements EmpDao {
private EmpMapper empMapper; //在此处注入一个empMapper
//这个empMapper由 Spring自动生成 //不需要我们自己手工去定义
@Override
public void insertEmp(Emp emp) {
this.empMapper.insertEmp(emp);
throw new RuntimeException("Error"); //测试抛出RuntimeException //异常查看数据库是否存在记录
} @Override
public void deleteEmp(String id) {
this.empMapper.deleteEmp(id);
} @Override
public List<Emp> getAllEmp() {
return this.empMapper.getAllEmp();
} @Override
public Emp getById(String id) {
return this.empMapper.getById(id);
} @Override
public void updateEmp(Map<String, Object> map) {
this.empMapper.updateEmp(map);
} public EmpMapper getEmpMapper() {
return empMapper;
} public void setEmpMapper(EmpMapper empMapper) {
this.empMapper = empMapper;
}
}
Service层接口:EmpService.java
package com.lixing.scm.test.service;
import com.lixing.scm.entity.Emp;
public interface EmpService {
void insertEmp(Emp emp);
}
Service层接口实现类:EmpServiceImpl.java
package com.lixing.scm.test.service.impl; import com.lixing.scm.entity.Emp;
import com.lixing.scm.test.dao.EmpDao;
import com.lixing.scm.test.service.EmpService; public class EmpServiceImpl implements EmpService {
private EmpDao empDao; @Override
public void insertEmp(Emp emp) {
empDao.insertEmp(emp); } public EmpDao getEmpDao() {
return empDao;
} public void setEmpDao(EmpDao empDao) {
this.empDao = empDao;
}
}
测试类:TestEmpService.java
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext; import com.lixing.scm.entity.Emp;
import com.lixing.scm.test.service.EmpService; public class TestEmpService {
@Test
public void testTrasaction(){
Emp emp=new Emp();
emp.setId("00000003");
emp.setName("某某某");
emp.setAge(50);
emp.setSex("男");
emp.setPhone("566666"); ApplicationContext ctx=new ClassPathXmlApplicationContext("classpath:applicationContext.xml");
EmpService service=ctx.getBean(EmpService.class);
service.insertEmp(emp);
}
}
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