ibatis 与spring3整合
spring与ibates整合,使用的spring版本是3.0.5,在整合的过程中遇到的最大的问题,不是代码的问题,而是jar包缺少的问题,发现spring3.0.5好多依赖包都没有提供,而且还需要很多依赖包。
配置ibates实际上和配置hibernate差不多,就是事物、dataSource、sqlMapClient等的配置。
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为了简单我是在一个配置文件中配置了所有的配置,如下:
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<?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-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" default-autowire="byName">
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??? <bean id="sqlMapClient" ref="dataSource"/>
??? </bean>
??? <bean id="dataSource" value="com.mysql.jdbc.Driver"/>
??????? <property name="url" value="jdbc:mysql://127.0.0.1/test"/>
??????? <property name="username" value="root"/>
??????? <property name="password" value="root"/>
??? </bean>
<!-- 配置事务特性 -->
??? <tx:advice id="txAdvice" transaction-manager="txManager">
??????? <tx:attributes>
?????????? <tx:method name="add*" propagation="REQUIRED"/>
?????????? <tx:method name="del*" propagation="REQUIRED"/>
?????????? <tx:method name="update*" propagation="REQUIRED"/>
?????????? <tx:method name="*" read-only="true"/>
?????? </tx:attributes>
??? </tx:advice>
???
??? <!-- 配置哪些类的方法需要进行事务管理 -->
??? <aop:config>
?????? <aop:pointcut id="allManagerMethod" expression="execution(* com.ibatis.manager.*.*(..))"/>
?????? <aop:advisor advice-ref="txAdvice" pointcut-ref="allManagerMethod"/>
??? </aop:config>
???
??? <bean id="userDAO" ref="sqlMapClient"/>
</bean>
???
?</beans>???
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下面是sqlMapConfig.xml的配置,因为dataSourse移到了spring中配置,所以该文件配置就非常简单。
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE sqlMapConfig
PUBLIC "-//iBATIS.com//DTD SQL Map Config 2.0//EN"
"http://www.ibatis.com/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
?<settings cacheModelsEnabled="true"
???? enhancementEnabled="true"
??????? lazyLoadingEnabled="true"
??????? errorTracingEnabled="true"
??????? maxRequests="32"
???? maxSessions="10"
???? maxTransactions="5"
???? useStatementNamespaces="false" />
?<sqlMap resource="com/ibatis/sample/User.xml" />
</sqlMapConfig>
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下面是UserDAO的代码和hibernate类似,这里是通过SqlMapClientDaoSupport得到getSqlMapClientTemplate来对数据库进行操作。
package com.ibatis.dao.impl;
import java.util.List;
import org.springframework.orm.ibatis.SqlMapClientTemplate;
import org.springframework.orm.ibatis.support.SqlMapClientDaoSupport;
import com.ibatis.dao.UserDAO;
import com.ibatis.sample.User;
public class UserDAOImpl extends SqlMapClientDaoSupport? implements UserDAO{
?public List<User>? select() {
??SqlMapClientTemplate sqlclient=super.getSqlMapClientTemplate();
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??? return (List<User>)sqlclient.queryForList("getUser", "w%");
?}
}
以下是测试代码:
package com.ibatis.test;
import java.util.List;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.ibatis.dao.UserDAO;
import com.ibatis.sample.User;
import com.ibatis.sqlmap.client.SqlMapClient;
public class Test {
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?@SuppressWarnings("unchecked")
?public static List<User> getUser() {
??// 首先初始化iBatis获得一个SqlMapClient对象
??// String resource = "com/ctgusec/zhupan/maps/SqlMapConfig.xml";
??ApplicationContext context=new ClassPathXmlApplicationContext("spring-config.xml");
??UserDAO userdao=(UserDAO)context.getBean("userDAO");
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??List<User> users = userdao.select();
??return users;
?}
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?public static void main(String[] args) {
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??List<User> user = getUser();
??for (int i = 0; i < user.size(); i++)
??{
???// System.out.println(((User)user.get(i)).getName());
???System.out.println(user.get(i).getName());
??}
??
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?}
}
实际上只要理解aop等,和了解hibernate的使用,使用ibatis不是什么困难的事情,废话就不说那么多了,直接把代码上传上去以备份,在公司上网太慢了,代码插入没有打开,只能这么慢了
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