applicationContext-mybatis.xml 配置文件(spring,mybatis集成的配置文件)
<?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-3.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.1.xsd">
<!-- 读取配置文件 两种方法
<context:property-placeholder location="classpath:jdbc.properties" />-->
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath*:jdbc.properties</value>
</list>
</property>
</bean>
<!-- 配置数据源的两种方法 JNDI获取数据源(DBCP连接池)
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close" scope="singleton">
<property name="driverClassName" value="${driver}"></property>
<property name="url" value="${url}"></property>
<property name="username" value="${username}"></property>
<property name="password" value="${password}"></property>
</bean>-->
<bean id="dataSource" destroy-method="close"
class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${driver}"/>
<property name="jdbcUrl" value="${url}?useUnicode=true&characterEncoding=utf8"/>
<property name="user" value="${username}"/>
<property name="password" value="${password}"/>
</bean>
<!-- 事务管理 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!-- 配置 MyBatis sqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<property name="configLocation" value="classpath:mybatis-config.xml"></property>
<property name="mapperLocations" value="classpath:dao/*.xml"></property>
</bean>
<!-- 配置sqlSessionTemplate模板-->
<bean id="sqlSessionTemplate" class="org.mybatis.spring.SqlSessionTemplate">
<!-- 构造器进行注入 -->
<constructor-arg name="sqlSessionFactory" ref="sqlSessionFactory"></constructor-arg>
</bean>
<!-- 把sqlSessionTemplate模板 注入到测试类 -->
<bean id="empDaoTest" class="test.empTest">
<property name="sqlSessionTemplate" ref="sqlSessionTemplate"></property>
</bean>
</beans>
jdbc.propertis配置文件
driver=com.mysql.jdbc.Driver url=jdbc:mysql://127.0.0.1:3306/testdb username=root password=123
mybatis-config.xml配置文件(mybatis配置文件)
<?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 以后pojo包下的实体类 可以用类名 不用完全限定名了 --> <typeAliases> <package name="pojo"/> </typeAliases> </configuration>
junit测试类
public class empTest {
private Logger logger=Logger.getLogger(this.getClass());
private SqlSessionTemplate sqlSessionTemplate;
protected ApplicationContext applicationContext=null;
private empTest test;
@Before
public void setuo(){
applicationContext=new ClassPathXmlApplicationContext("applicationContext-mybatis.xml");
test=(empTest) applicationContext.getBean("empDaoTest");
}
@Test
public void tests(){
List<Employee> emps=test.sqlSessionTemplate.selectList("dao.EmployeeMapper.getEmployeeList");
for(Employee emp:emps){
logger.debug(emp.getName());
}
logger.debug(emps.size());
}
第一种配置用的是 SqlSessionTemplate模版
第二种配置用的是 MapperFactoryBean
======================第二种配置方法========================
applicationContext-mybatis.xml 配置文件(spring,mybatis集成的配置文件)
<?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-3.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.1.xsd">
<!-- 读取配置文件 两种方法
<context:property-placeholder location="classpath:jdbc.properties" />-->
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath*:jdbc.properties</value>
</list>
</property>
</bean>
<!-- 配置数据源的两种方法 JNDI获取数据源(DBCP连接池)
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close" scope="singleton">
<property name="driverClassName" value="${driver}"></property>
<property name="url" value="${url}"></property>
<property name="username" value="${username}"></property>
<property name="password" value="${password}"></property>
</bean>-->
<bean id="dataSource" destroy-method="close"
class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${driver}"/>
<property name="jdbcUrl" value="${url}?useUnicode=true&characterEncoding=utf8"/>
<property name="user" value="${username}"/>
<property name="password" value="${password}"/>
</bean>
<!-- 事务管理 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!-- 配置 MyBatis sqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<property name="configLocation" value="classpath:mybatis-config.xml"></property>
</bean>
<bean id="employeeMapperFactory" class="org.mybatis.spring.mapper.MapperFactoryBean">
<property name="sqlSessionFactory" ref="sqlSessionFactory"></property>
<property name="mapperInterface" value="dao.EmployeeMapper"></property>
</bean>
<bean id="employeeServiceImpl" class="service.EmployeeServiceImpl">
<property name="employeeMapper" ref="employeeMapperFactory"></property>
</bean>
</beans>
其他配置文件不变
junit测试类
public class empTest {
private Logger logger=Logger.getLogger(this.getClass());
protected ApplicationContext applicationContext=null;
private EmployeeServiceImpl employeeServiceImpl;
@Before
public void setuo(){
applicationContext=new ClassPathXmlApplicationContext("applicationContext-mybatis.xml");
employeeServiceImpl=(EmployeeServiceImpl) applicationContext.getBean("employeeServiceImpl");
}
@Test
public void tests(){
Department department=new Department();
department.setId(2);
List<Employee> emplist=employeeServiceImpl.getEmployeelistByDeptId(department);
for(Employee emp:emplist){
logger.debug(emp.getName());
}
}