标签:doc 别名 不用 www. name private employee man let
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()); } }
标签:doc 别名 不用 www. name private employee man let
原文地址:http://www.cnblogs.com/m97i/p/7615409.html