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Spring整合Hibernate(1)-----applicationContext.xml 设值注入依赖方式

2017-03-19 22:20 405 查看
一  简单介绍一下SSH整合各个框架需要的jar包(初次大搭建框架一般报错都是因为jar包的问题)接下来的三篇都       用来介绍SSH框架的搭建

struts2的jar包:

1.struts2-core-2.3.1.2.jar:

     struts的核心包

2.xwork-core-2.3.1.2.jar:

     Action类所在的包

3.ognl-3.0.6.jar:

4.javassist-3.11.0.GA.jar

5.commons
4000
-lang3-3.1.jar

6.commons-fileupload-1.3.jar

7.freemarker-2.3.19.jar

8.commons-io-2.0.1.jar

9.struts2-spring-plugin-2.3.1.2.jar

Spring的基本jar包:

1.org.springframework.web-3.1.4.RELEASE.jar:

      在web.xml中配置启动Spring容器所需,包括上下文(参数contextConfigLocation)和监听器(类ContextLoaderListener)

2.com.springsource.org.apache.commons.dbcp-1.2.2.osgi.jar: 

      在spring配置文件中配置dataSource所需(类BasicDataSource)

3.org.springframework.context-3.1.4.RELEASE.jar:

     IOC反转控制获取实例化,如getBean()所需(类ClassPathXmlApplicationContext)

4.org.springframework.beans-3.1.4.RELEASE.jar:

      异常处理(如实例化类ClassPathXmlApplicationContext所抛出的类BeansException)

5.org.springframework.core-3.1.4.RELEASE.jar:

      spring核心包,包含了一些类的父类,如BeansException的父类NestedRuntimeException

6.com.springsource.org.apache.commons.logging-1.1.1.jar:

      (实例化ClassPathXmlApplicationContext所需,类LogFactory)

7.org.springframework.asm-3.1.1.RELEASE.jar

     (实例化ClassPathXmlApplicationContext所需,类ClassVisitor)

8.org.springframework.expression-3.1.1.RELEASE.jar

     (实例化ClassPathXmlApplicationContext所需,类PropertyAccessor)

9.com.springsource.org.apache.commons.pool-1.5.3.jar

     (实例化ClassPathXmlApplicationContext所需,GenericObjectPool)

10.org.springframework.orm-3.1.1.RELEASE.jar

     (ORM整合所须)

11.org.springframework.jdbc-3.1.4.RELEASE.jar:

     初始化sessionFactory

Spring的AOPjar包:


1.org.springframework.aop-3.1.4.RELEASE.jar

2.com.springsource.org.aopalliance-1.0.0.jar

3.com.springsource.org.aspectj.weaver-1.6.8.RELEASE.jar
一般报aop的错都是因为缺少上面 2 3两个包

Hibernate的jar包:

1.com.springsource.org.hibernate-3.3.1.GA.jar:

     org.hibernate.*

2.org.springframework.transaction-3.1.4.RELEASE.jar

     org.springframework.dao.*    不加的话extends HibernateDaoSupport的时候会报The type org.springframework.dao.support.DaoSupport cannot           be resolved. It is indirectly referenced from required .class files的错误

3.jta-1.1.jar:

     javax.transaction.TransactionManager

4.com.springsource.org.dom4j-1.6.1.jar

5.slf4j-api-1.5.8.jar:

     LoggerFactory.class

6.slf4j-api-1.5.8.jar

7.com.springsource.org.apache.commons.collections-3.2.1.jar

8.com.springsource.antlr-2.7.7.jar

二 Spring整合Hibernate的一个Demo:

2.1 创建一个Myuser类:

package com.xh.hibernate.entity;

/**
* Myuser实体类
* @author xuhao
*
*/
public class Myuser {
private int id;
private String name;
private String password;
private String type;

public Myuser() {
}

public Myuser(int id, String name, String password, String type) {
super();
this.id = id;
this.name = name;
this.password = password;
this.type = type;
}

e611
public int getId() {
return id;
}

public void setId(int id) {
this.id = id;
}

public String getName() {
return name;
}

public void setName(String name) {
this.name = name;
}

public String getPassword() {
return password;
}

public void setPassword(String password) {
this.password = password;
}

public String getType() {
return type;
}

public void setType(String type) {
this.type = type;
}

}

2.2 创建映射文件 Myuser.hbm.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<!--
Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
<class name="com.xh.hibernate.entity.Myuser" table="MYUSER" schema="WEBCHAT">
<id name="id" type="java.lang.Integer">
<column name="ID" precision="10" scale="0" />
<generator class="sequence">
<!-- 指定序列名 -->
<param name="sequence">MYUSER_SEQ</param>
</generator>
</id>
<property name="name" type="java.lang.String">
<column name="NAME" length="100" />
</property>
<property name="password" type="java.lang.String">
<column name="PASSWORD" length="100" />
</property>
<property name="type" type="java.lang.String">
<column name="TYPE" length="100" />
</property>
</class>
</hibernate-mapping>

/ * 这里虽好是使用myeclipse自动创建 避免实体类的属性和数据库中表字段之间类型对应上出错 */

2.3 Spring整合hibernate其主要搞的事情就是:把Hibernate框架的dataSource和sessionFactory交给Spring来搞定以及

事物管理都交给Spring来创建实例 所以具体的applicationContext.xml文件配置如下:

<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://www.springframework.org/schema/beans" xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:cache="http://www.springframework.org/schema/cache" xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache-4.0.xsd">
<!-- 配置数据源 -->
<bean id="dataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="oracle.jdbc.driver.OracleDriver" />
<property name="url" value="jdbc:oracle:thin:@127.0.0.1:1521:orcl"/>
<property name="username" value="WebChat" />
<property name="password" value="WebChat" />
</bean>
<!-- 配置SessionFactory -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="mappingResources">
<list>
<value>/com/xh/hibernate/entity/Myuser.hbm.xml</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.OracleDialect</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.format_sql">true</prop>
</props>
</property>
</bean>

<!-- 配置事务管理 -->
<bean id="txManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>

<!-- 定义事务通知 -->
<tx:advice id="txAdvice" transaction-manager="txManager">
<tx:attributes>
<tx:method name="get*" read-only="true"/>
<tx:method name="*"/>
</tx:attributes>
</tx:advice>

<!-- 配置事务切面 -->
<aop:config>
<aop:pointcut id="serviceOperation"
expression="execution(* com.xuhao.DAO.*.*(..))" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="serviceOperation" />
</aop:config>

<!-- dao层依赖注入 -->
<bean id="MyuserDAO" class="com.xuhao.DAO.MyuserDAOImpl">
<property name="sessionFactory" ref="sessionFactory" ></property>
</bean>

</beans>

2.4 MyuserDAO接口

package com.xuhao.DAO;

import java.util.List;

import com.xh.hibernate.entity.Myuser;

public interface MyuserDAO {
// 保存用户
void save(Myuser myuser);
// 按用户名查找用户
Myuser getMyuser(String name);
// 删除用户
void delete(int id);
// 更新用户
void update(Myuser myuser);
// 按id查找用户
Myuser findById(int id);
// 查找所有用户
List<Myuser> findAll();
}

2.5 创建MyuserDAOImpl

package com.xuhao.DAO;

import java.util.List;

import org.hibernate.Query;
import org.springframework.orm.hibernate4.support.HibernateDaoSupport;

import com.xh.hibernate.entity.Myuser;

public class MyuserDAOImpl extends HibernateDaoSupport implements MyuserDAO{

// 添加用户
@Override
public void save(Myuser myuser) {
this.getHibernateTemplate().save(myuser);
}
// 按用户名查找用户
@Override
public Myuser getMyuser(String name) {
String hql = "from MYUSER mu where mu.name = '"+ name +"' ";
Myuser reMyuser = (Myuser) ((Query)this.getHibernateTemplate().find(hql)).uniqueResult();
return reMyuser;
}
// 删除用户
@Override
public void delete(int id) {
this.getHibernateTemplate().delete(findById(id));
}

// 更新用户
@Override
public void update(Myuser myuser) {
this.getHibernateTemplate().update(myuser);
}
// 按id查找用户
@Override
public Myuser findById(int id) {
Myuser myuser = (Myuser)this.getHibernateTemplate().get(Myuser.class, id);
return myuser;
}
// 查找所有用户
@Override
public List<Myuser> findAll() {
String hql = " from Myuser ";
@SuppressWarnings("unchecked")
List<Myuser> list = (List<Myuser>) this.getHibernateTemplate().find(hql);
return list;
}

}


2.6 创建MyuserService 接口

package com.xuhao.Service;

import java.util.List;

import com.xh.hibernate.entity.Myuser;

public interface MyuserService {
// 保存用户
void save(Myuser myuser);
// 按用户名查找用户
Myuser getMyuser(String name);
// 删除用户
void delete(int id);
// 更新用户
void update(Myuser myuser);
// 按id查找用户
Myuser findById(int id);
// 查找所有用户
List<Myuser> findAll();
}

2.7 创建MyuserServiceImpl

package com.xuhao.Service;

import java.util.List;

import com.xh.hibernate.entity.Myuser;
import com.xuhao.DAO.MyuserDAO;

public class MyuserServiceImpl implements MyuserService{

private MyuserDAO myuserDAO ;

// 提供MyuserDAO对象的注入的通道
public void setMyuserDAO(MyuserDAO myuserDAO) {
this.myuserDAO = myuserDAO;
}

// 添加用户
@Override
public void save(Myuser myuser) {
if(myuserDAO.findById(myuser.getId()) == null){
myuserDAO.save(myuser);
}
}
// 按用户名查找用户
@Override
public Myuser getMyuser(String name) {
return myuserDAO.getMyuser(name);
}
// 删除用户
@Override
public void delete(int id) {
if(myuserDAO.findById(id) != null){
myuserDAO.delete(id);
}
}
// 更新用户
@Override
public void update(Myuser myuser) {
if(myuserDAO.findById(myuser.getId()) != null){
myuserDAO.update(myuser);
}
}
// 按id查找用户
@Override
public Myuser findById(int id) {
return myuserDAO.findById(id);
}
// 查找所有用户
@Override
public List<Myuser> findAll() {
return myuserDAO.findAll();
}

}

2.8 编写Junit测试类

package com.xuhao.Test;

import java.util.List;

import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.xh.hibernate.entity.Myuser;
import com.xuhao.Service.MyuserService;

public class etest {
private ApplicationContext ctx = null;
private MyuserService myuserService = null;

{
ctx = new ClassPathXmlApplicationContext("applicationContext.xml");
myuserService = (MyuserService) ctx.getBean("myuserService");
}

@Test
public void testSavejj(){
Myuser myuser = new Myuser();
myuser.setName("陈二狗");
myuser.setPassword("123456");
myuser.setType("男");
myuserService.save(myuser);

}

@Test
public void testFindAll(){
List<Myuser> mlist = myuserService.findAll();
for(Myuser myuser: mlist){
System.out.println(myuser.getName());
}
}
}

控制台输出如下结果:

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