SSH整合：Spring整合Hibernate，无障碍整合&无核心配置整合，Hibernate模版常用方法，

本文转载自查看原文 2018-11-09 20:44 1497 Java

重建SSH项目

java项目可以直接复制，但是web项目除了改名字还要该配置，如下：

方式一：无障碍整合：带Hibernate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.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/aop
    http://www.springframework.org/schema/aop/spring-aop.xsd
    http://www.springframework.org/schema/tx 
    http://www.springframework.org/schema/tx/spring-tx.xsd">
     
     <!-- Spring整合Hibernate -->
     <!-- 引入Hibernate配置信息===== -->
     <bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
        <!-- 引入Hibernate配置文件 -->
        <property name="configLocation" value="classpath:hibernate.cfg.xml"/>
     </bean>

     
     <!-- 配置事务管理器 -->
     <bean id="transactionManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager">
       <property name="sessionFactory" ref="sessionFactory"/>
     </bean>
     
     <!-- 开启注解事务,在业务层使用注解@Transactional -->
     <tx:annotation-driven transaction-manager="transactionManager"/>
    
     <!--  通过context标签引入jdbc.properties，在Hibernate核心配置文件里，免去 -->
 
     
     <!-- 配置C3P0连接池，在Hibernate核心配置文件里面，免去 -->

    
    <!-- 配置Action -->
    <bean id="customerAction" class="com.ssh.web.action.CustomerAction" scope="prototype">
       <property name="customerService" ref="customerService"/>
    </bean>
    
    <!-- 注入CustomerService -->
    <bean id="customerService" class="com.ssh.service.impl.CustomerServiceImpl">
    <property name="customerDao" ref="customerDao"/>
    </bean>
    
    <!--
     注入Dao 
    CustomerDaoImpl继承HibernateDaoSupport,在Dao注入SessionFactory,创建HibernateTemplate模版
    -->
    <bean id="customerDao" class="com.ssh.dao.impl.CustomerDaoImpl">
    <property name="sessionFactory" ref="sessionFactory"/>
    </bean>
    
    
</beans>

方式二：不带Hibernate核心配置文件，将核心配置文件给Spring管理

Hibernate配置文件：

数据库连接的配置
Hibernate属性的配置：方言，显示sql,格式化sql。。。。
C3P0连接池
映射

将Hibernate的核心配置交给Spring：

<?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.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/aop
    http://www.springframework.org/schema/aop/spring-aop.xsd
    http://www.springframework.org/schema/tx 
    http://www.springframework.org/schema/tx/spring-tx.xsd">
     
     
     <!--通过context标签引入jdbc.properties -->
     <context:property-placeholder location="classpath:jdbc.properties"/>
     
     <!-- 配置C3P0连接池 -->
     <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
       <property name="driverClass" value="${jdbc.driverClass}"/>
       <property name="jdbcUrl" value="${jdbc.url}"/>
       <property name="user" value="${jdbc.user}"/>
       <property name="password" value="${jdbc.password}"/>
     </bean>
     
     <!-- Spring整合Hibernate -->
     <!-- 方式二：不带Hibernate核心文件配置===== -->
     <bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
          <!-- 注入连接池 -->
          <property name="dataSource" ref="dataSource" />
          
          <!-- 配置Hibernate相关属性 -->
          <property name="hibernateProperties">
          
           <props>
           <!-- 配置方言,打印语句,格式化sql,自动建表 -->
              <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
              <prop key="hibernate.show_sql">true</prop>
              <prop key="hibernate.format_sql">true</prop>
              <prop key="hibernate.hbm2ddl.auto">update</prop>
           </props>
          </property>
          
          <!-- 设置映射 -->
          <property name="mappingResources">
          <list>
             <value>com/ssh/domain/Customer.hbm.xml</value>
          </list>
          
          </property>
          
     </bean>

     
     <!-- 配置事务管理器 -->
     <bean id="transactionManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager">
       <property name="sessionFactory" ref="sessionFactory"/>
     </bean>
     
     <!-- 开启注解事务,在业务层使用注解@Transactional -->
     <tx:annotation-driven transaction-manager="transactionManager"/>
    
    
    <!-- 配置Action -->
    <bean id="customerAction" class="com.ssh.web.action.CustomerAction" scope="prototype">
       <property name="customerService" ref="customerService"/>
    </bean>
    
    <!-- 注入CustomerService -->
    <bean id="customerService" class="com.ssh.service.impl.CustomerServiceImpl">
    <property name="customerDao" ref="customerDao"/>
    </bean>
    
    <!--
     注入Dao 
    CustomerDaoImpl继承HibernateDaoSupport,在Dao注入SessionFactory,创建HibernateTemplate模版
    -->
    <bean id="customerDao" class="com.ssh.dao.impl.CustomerDaoImpl">
    <property name="sessionFactory" ref="sessionFactory"/>
    </bean>
    
    
</beans>

测试：

Hibernate模版常用方法：

增
删
改
查一个： get(Class c , Serializable id) load(Class c , Serializable id)
查多个：list find(String hql,Object...args) list findByCriteria(DetachedCriteria dc)
分页：list findByCriteria(DetachedCriteria dc,int firstResult,int maxResult)
命名查询(了解)

Dao层：

package com.itheima.ssh.dao.impl;
import java.util.List;
import org.hibernate.criterion.DetachedCriteria;
import org.springframework.orm.hibernate5.support.HibernateDaoSupport;
import com.itheima.ssh.dao.CustomerDao;
import com.itheima.ssh.domain.Customer;
public class CustomerDaoImpl extends HibernateDaoSupport implements CustomerDao {
    @Override
    public void save(Customer customer) {
        System.out.println("Dao的save方法执行了");
        this.getHibernateTemplate().save(customer);    
    }

    @Override
    public void update(Customer customer) {
        this.getHibernateTemplate().update(customer);
    }

    @Override
    public void delete(Customer customer) {
        this.getHibernateTemplate().delete(customer);
    }

    @Override
    public Customer findById(Long cust_id) {
        return this.getHibernateTemplate().get(Customer.class, cust_id);
    }

    @Override
    public List<Customer> findAllByHQL() {
        List<Customer> list = (List<Customer>) this.getHibernateTemplate().find("from Customer");
        return list;
    }
     
    @Override
    public List<Customer> findAllByQBC() {
        DetachedCriteria criteria = DetachedCriteria.forClass(Customer.class);
        List<Customer> list = (List<Customer>) this.getHibernateTemplate().findByCriteria(criteria);
        return list;
    }

    @Override
    public List<Customer> findByNamedQuery() {
        
        return (List<Customer>) this.getHibernateTemplate().findByNamedQuery("queryAll");
    }
}

Service层：

package com.itheima.ssh.service.impl;

import java.util.List;

import org.springframework.transaction.annotation.Transactional;

import com.itheima.ssh.dao.CustomerDao;
import com.itheima.ssh.domain.Customer;
import com.itheima.ssh.service.CustomerService;
/**
 * 客户端的业务层的实现类
 */
@Transactional
public class CustomerServiceImpl implements CustomerService {
   //注入Dao
    private CustomerDao customerDao;        
    public void setCustomerDao(CustomerDao customerDao) {
        this.customerDao = customerDao;
    }
    
    @Override
    public void save(Customer customer) {
        System.out.println("service中的save方法执行了");
        customerDao.save(customer);
    }

    @Override
    public void update(Customer customer) {
        customerDao.update(customer);
    }

    @Override
    public void delete(Customer customer) {
        customerDao.delete(customer);
    }

    @Override
    public Customer findById(Long cust_id) {
        return customerDao.findById(cust_id);
    }

    @Override
    public List<Customer> findAllByHQL() {
        return customerDao.findAllByHQL();
    }

    @Override
    public List<Customer> findAllByQBC() {
        return customerDao.findAllByQBC();
    }

    @Override
    public List<Customer> findByNamedQuery() {
        return customerDao.findByNamedQuery();
    }

    
}

测试类：

package com.ssh.testdemo;

import java.util.List;

import javax.annotation.Resource;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import com.ssh.domain.Customer;
import com.ssh.service.CustomerService;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:applicationContext.xml")
public class demo1 {
    // Spring注入Service
    @Resource(name = "customerService")
    private CustomerService customerService;

    // public void setCustomerService(CustomerService customerService) {
    // this.customerService = customerService;
    // }

    @Test
    public void test1() {

        customerService.save(new Customer());
    }

    @Test
    // 修改
    public void test2() {
        Customer customer = customerService.findById(1l);
        customer.setCust_name("修改测试");
        customerService.Update(customer);
    }

    @Test
    // 删除
    public void test3() {
        Customer customer = customerService.findById(2l);
        customer.setCust_name("删除测试");
        customerService.delete(customer);
    }

    @Test
    // 查询所有
    public void test4() {
        List<Customer> list = customerService.findAllByHQL();
        for (Customer customer : list) {
            System.out.println(customer);
        }
    }

    @Test
    // 查询所有
    public void test5() {
        List<Customer> list = customerService.findAllByQBC();
        for (Customer customer : list) {
            System.out.println(customer);
        }
    }

}

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