日期:2014-05-16 浏览次数:20609 次
<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-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd"><!-- spring事务 tx--> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="org.gjt.mm.mysql.Driver" /> <property name="url" value="jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8" /> <property name="username" value="root" /> <property name="password" value="123" /> <!-- 连接池启动时的初始值 --> <property name="initialSize" value="1" /> <!-- 连接池的最大值 --> <property name="maxActive" value="500" /> <!-- 最大空闲值.当经过一个高峰时间后,连接池可以慢慢将已经用不到的连接慢慢释放一部分,一直减少到maxIdle为止 --> <property name="maxIdle" value="2" /> <!-- 最小空闲值.当空闲的连接数少于阀值时,连接池就会预申请去一些连接,以免洪峰来时来不及申请 --> <property name="minIdle" value="1" /> </bean> <!-- 在事务中注入dataSource --> <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> <!-- 在JdbcTemplate中注入 dataSource --> <bean name="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate"> <property name="dataSource" ref="dataSource" /> </bean> <!-- 以注解的方式对事务进行管理 --> <tx:annotation-driven transaction-manager="txManager"/> <!-- 打开自动扫描 --> <context:component-scan base-package="cn.ehoo"/> </beans>
package cn.ehoo.bean; /** * @author whp * @Email whp@ehoo.cn * @Jan 4, 2011 * */ public class Person { private Long id; private String name; public Long getId() { return id; } public void setId(Long id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } }
package cn.ehoo.service; import java.util.List; import cn.ehoo.bean.Person; /** * @author whp * @Email whp@ehoo.cn * @Jan 4, 2011 * */ public interface PersonService { /** * 保存 * @param person */ public void save(Person person); /** *更新 * @param person */ public void update(Person person); /** * 获取 * @param person */ public Person getPerson(Long personId); /** * 获取所有 * @param person */ public List<Person> getPersons(); /** * 删除指定记录 * @param person */ public void delete(Long personId) throws Exception; }