Spring4-JdbcDaoSupport
1.创建项目,项目名称(springdemo5),如图所示
2.在项目中创建子目录(src->源码目录,test->测试目录,source->配置文件目录,lib->jar包目录),如图所示
3.在lib中创建子目录(apache->存储日志记录jar包目录,junit->单元测试jar包目录,mysql->数据库驱动jar包目录,spring->与spring相关的jar包目录),如图所示
4.在lib的子目录(apache->存储日志记录jar包目录,junit->单元测试jar包目录,mysql->数据库驱动jar包目录,spring->与spring相关的jar包目录)中添加相应的jar包,如图所示
5.在src目录中创建实体Bean Forum,包名(com.mycompany.shequ.bean),如图所示
6.实体Bean Forum的内容如下
package com.mycompany.shequ.bean; public class Forum { private int fid; private String name; public int getFid() { return fid; } public void setFid(int fid) { this.fid = fid; } public String getName() { return name; } public void setName(String name) { this.name = name; } }
7.在src下创建接口ForumDao,包名(com.mycompany.shequ.dao),如图所示
8.接口ForumDao的内容如下
package com.mycompany.shequ.dao; import com.mycompany.shequ.bean.Forum; public interface ForumDao { public void insert(Forum forum); }
9.在src中创建接口ForumDao的实现类ForumDaoImpl,包名(com.mycompany.shequ.dao.impl),如图所示
10.接口ForumDao的实现类ForumDaoImpl的内容如下
package com.mycompany.shequ.dao.impl; import javax.sql.DataSource; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.jdbc.core.support.JdbcDaoSupport; import com.mycompany.shequ.bean.Forum; import com.mycompany.shequ.dao.ForumDao; public class ForumDaoImpl extends JdbcDaoSupport implements ForumDao { private DataSource dataSource; @Override public void insert(Forum forum) { String sql = "INSERT INTO hnsq_forum(name) values(?)"; getJdbcTemplate().update(sql, new Object[]{forum.getName()}); } }
11.在source目录中创建数据源配置文件spring-datasource.xml,如图所示
12.数据源配置文件spring-datasource.xml的内容如下
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd"> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="com.mysql.jdbc.Driver" /> <property name="url" value="jdbc:mysql://localhost:3306/b_shequ_two" /> <property name="username" value="root" /> <property name="password" value="" /> </bean> </beans>
13.在src目录中创建核心配置文件applicationContext.xml,如图所示
14.核心配置文件applicationContext.xml的内容如下
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd"> <import resource="spring-datasource.xml" /> <bean id="forumDao" class="com.mycompany.shequ.dao.impl.ForumDaoImpl"> <property name="dataSource" ref="dataSource" /> </bean> </beans>
15.在test目录中创建我们的测试类ForumDaoImplTest,包名(com.mycompany.shequ.dao.impl),如图所示
16.测试类ForumDaoImplTest的内容如下
package com.mycompany.shequ.dao.impl; import org.junit.Test; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import com.mycompany.shequ.bean.Forum; import com.mycompany.shequ.dao.ForumDao; public class ForumDaoImplTest { @Test public void testInsert(){ ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml"); ForumDao forumDao = (ForumDao) context.getBean("forumDao"); Forum forum = new Forum(); forum.setName("demo4"); forumDao.insert(forum); } }
17.运行测试方法testInsert,执行结果如图所示
18.查看数据库中的结果,如图所示
本文转自 素颜猪 51CTO博客,原文链接:http://blog.51cto.com/suyanzhu/1909083