sping整合hibernate小例子，对Employee表实现增删改查

配置文件很重要，体现了好多知识：IOC，hibernate.cfg.xml里面的东西要怎么填到spring的配置？sessionFactory是如何注入的。

 

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4     xmlns:context="http://www.springframework.org/schema/context"
 5     xmlns:tx="http://www.springframework.org/schema/tx"
 6     xmlns:aop="http://www.springframework.org/schema/aop"
 7     xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
 8                 http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
 9                 http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
10                 http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd">
11     
12     <bean id="dataSource"  destroy-method="close" class="org.apache.commons.dbcp.BasicDataSource">
13      <property name="driverClassName" value="com.microsoft.jdbc.sqlserver.SQLServerDriver"/>
14         <property name="url" value="jdbc:sqlserver://hzz:1433;databaseName=Heros"/>
15         <property name="username" value="sa"/>
16         <property name="password" value="caxa"/>
17     </bean>         
18     <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
19         <property name="dataSource" ref="dataSource"/>
20         <property name="mappingResources">
21               <list>
22                 <value>db/mapping/Employee.hbm.xml</value>
23               </list>
24         </property>
25         <property name="hibernateProperties">
26             <props>
27                 <prop  key="hibernate.dialect">org.hibernate.dialect.SQLServerDialect</prop>
28                 <prop key="hibernate.show_sql">true</prop>
29                 <prop key="hibernate.format_sql">true</prop>
30              </props>
31         </property>
32     </bean>
33     
34     <bean id="employeeDAO" class="db.dao.EmployeeDAOImpl">
35         <property name="sessionFactory" ref="sessionFactory"></property>
36     </bean>
37                 
38 </beans>

spring-hibernate.xml

 

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
 3 "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
 4 <!-- 
 5     Mapping file autogenerated by MyEclipse Persistence Tools
 6 -->
 7 <hibernate-mapping>
 8     <class name="db.pojo.Employee" table="employee" schema="dbo" catalog="Heros">
 9         <id name="id" type="java.lang.Integer">
10             <column name="id" />
11             <generator class="native" />
12         </id>
13         <property name="name" type="java.lang.String">
14             <column name="name" length="20" />
15         </property>
16         <property name="deptId" type="java.lang.Integer">
17             <column name="dept_id" />
18         </property>
19     </class>
20 </hibernate-mapping>

Employee.hbm.xml

 

package db.dao;

import java.util.List;

import org.springframework.orm.hibernate3.HibernateTemplate;
import org.springframework.orm.toplink.SessionFactory;

import db.pojo.Employee;

public class EmployeeDAOImpl implements EmployeeDAO {

    private HibernateTemplate template;
    public void setSessionFactory(org.hibernate.SessionFactory sessionFactory){
        template = new HibernateTemplate(sessionFactory);
    }
    
    @Override
    public void delete(int id) {
        // TODO Auto-generated method stub

    }

    @Override
    public List<Employee> findAll() {
        // TODO Auto-generated method stub
        return template.find("from Employee");
    }

    @Override
    public void save(Employee emp) {
        // TODO Auto-generated method stub

        template.save(emp);
    }

}

EmployeeDAOImpl.java

 

package db.pojo;
// default package

/**
 * Employee entity. @author MyEclipse Persistence Tools
 */

public class Employee implements java.io.Serializable {

    // Fields

    private Integer id;
    private String name;
    private Integer deptId;

    // Constructors

    /** default constructor */
    public Employee() {
    }

    /** full constructor */
    public Employee(String name, Integer deptId) {
        this.name = name;
        this.deptId = deptId;
    }

    // Property accessors

    public Integer getId() {
        return this.id;
    }

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

    public String getName() {
        return this.name;
    }

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

    public Integer getDeptId() {
        return this.deptId;
    }

    public void setDeptId(Integer deptId) {
        this.deptId = deptId;
    }

}

Employee.java

 

package db.test;

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

import db.dao.EmployeeDAO;
import db.pojo.Employee;

public class TestHibernate {
    
    
    @Test
    public void testSave(){
        Employee emp = new Employee();
        emp.setName("hym");
        emp.setDeptId(1);
        ApplicationContext ac = new ClassPathXmlApplicationContext("spring-hibernate.xml");
        EmployeeDAO employeeDAO = (EmployeeDAO) ac.getBean("employeeDAO");
        employeeDAO.save(emp);
        System.out.println(employeeDAO.findAll());
    }

}

TestHibernate.java