本文介绍sPRing的jdbctemplate和事务管理,基于xml配置
db.properties
jdbc.driver=com.microsoft.sqlserver.jdbc.SQLServerDriverjdbc.url=jdbc:sqlserver://SKY-20140109AJI:1433;databaseName=fxcljdbc.user=fxcljdbc.passWord=fxcljdbc.minPoolSize=5jdbc.maxPoolSize=10jdbcconfigxml.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:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xmlns:jdbc="http://www.springframework.org/schema/jdbc" xmlns:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.2.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd"> <!-- 配置 config --> <bean id="propertyPlaceholderConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="location" value="classpath:db.properties"></property> </bean> <!-- 配置数据源 --> <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"> <property name="driverClass" value="${jdbc.driver}"></property> <property name="jdbcUrl" value="${jdbc.url}"></property> <property name="user" value="${jdbc.user}"></property> <property name="password" value="${jdbc.password}"></property> <property name="minPoolSize" value="${jdbc.minPoolSize}"></property> <property name="maxPoolSize" value="${jdbc.maxPoolSize}"></property> </bean> <!-- 配置jdbcTemplate --> <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate"> <property name="dataSource" ref="dataSource"></property> </bean> <!-- 定义Bean --> <bean id="userDAO" class="com.liu.xml.dao.UserDAO"> <property name="jdbcTemplate" ref="jdbcTemplate"></property> </bean> <bean id="userService" class="com.liu.xml.service.UserService"> <property name="userDAO" ref="userDAO"></property> </bean> <!-- 配置事务管理器 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"></property> </bean> <tx:advice id="txAdivce" transaction-manager="transactionManager"> <tx:attributes> <tx:method name="*"/> </tx:attributes> </tx:advice> <aop:config> <aop:pointcut expression="execution(* com.liu.xml.service.IUserService.*(..))" id="pointCut1"/> <aop:advisor advice-ref="txAdivce" pointcut-ref="pointCut1"/> </aop:config></beans>IUserDAO.java
package com.liu.xml.dao;public interface IUserDAO { public int selectUserMaxId(); public void updateUser(int id,String userName); public int selectAmountMaxId(); public void updateAmount(int id,int userId,int amount,int year,int month);}UserDAO.java
package com.liu.xml.dao;import org.springframework.jdbc.core.JdbcTemplate;public class UserDAO implements IUserDAO { private JdbcTemplate jdbcTemplate; public void setJdbcTemplate(JdbcTemplate jdbcTemplate) { this.jdbcTemplate = jdbcTemplate; } @Override public int selectUserMaxId() { String sql="SELECT MAX(ID) FROM [fxcl].[dbo].[TUSER]"; return jdbcTemplate.queryForObject(sql, int.class); } @Override public void updateUser(int id, String userName) { String sql="INSERT INTO [fxcl].[dbo].[TUSER] (ID,NAME) VALUES (?,?)"; jdbcTemplate.update(sql, id,userName); } @Override public int selectAmountMaxId() { String sql="SELECT MAX(ID) FROM [fxcl].[dbo].[TINCOME]"; return jdbcTemplate.queryForObject(sql, int.class); } @Override public void updateAmount(int id, int userId, int amount, int year, int month) { String sql="INSERT INTO [fxcl].[dbo].[TINCOME] (ID,USERID,AMOUNT,YEAR,MONTH) VALUES (?,?,?,?,?)"; jdbcTemplate.update(sql, id,userId,amount,year,month); }}IUserService.java
package com.liu.xml.service;public interface IUserService { public void updateInfo(String userName);}UserService.java
package com.liu.xml.service;import com.liu.xml.dao.IUserDAO;/** * @author Administrator * */public class UserService implements IUserService { private IUserDAO userDAO; public void setUserDAO(IUserDAO userDAO) { this.userDAO = userDAO; } public void updateInfo(String userName) { int userId; int amountId; userId = userDAO.selectUserMaxId()+1; userDAO.updateUser(userId, userName); amountId = userDAO.selectAmountMaxId()+1; userDAO.updateAmount(amountId, userId, 100, 2017, 2); }}TestJdbc.java
package com.liu.xml.test;import static org.junit.Assert.fail;import java.sql.SQLException;import org.junit.Test;import org.springframework.context.applicationContext;import org.springframework.context.support.ClassPathXmlApplicationContext;import org.springframework.jdbc.core.JdbcTemplate;import com.liu.xml.dao.IUserDAO;import com.liu.xml.service.IUserService;import com.mchange.v2.c3p0.ComboPooledDataSource;public class TestJdbc { private ComboPooledDataSource dataSource; private JdbcTemplate jdbcTemplate; private IUserDAO userDAO; private IUserService userService; public TestJdbc(){ ApplicationContext ctx = new ClassPathXmlApplicationContext("jdbcconfigxml.xml"); dataSource = (ComboPooledDataSource)ctx.getBean("dataSource"); jdbcTemplate = (JdbcTemplate)ctx.getBean("jdbcTemplate"); userDAO =(IUserDAO)ctx.getBean("userDAO"); userService = (IUserService)ctx.getBean("userService"); } @Test public void testUpdateInfo(){ userService.updateInfo("TESTER22"); } @Test public void testSelectUserMaxId(){ System.out.println(userDAO.selectUserMaxId()); } @Test public void testAddUser(){ String sql = "INSERT INTO [fxcl].[dbo].[TUSER] (ID,NAME) VALUES(?,?)"; jdbcTemplate.update(sql, "3","Yan"); } @Test public void testDataSource(){ try { System.out.println(dataSource.getConnection()); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } } @Test public void test() { fail("Not yet implemented"); }}
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