时间:2021-07-01 10:21:17 帮助过:78人阅读
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目录中创建ForumDao的实现类ForumDaoImpl,包名(com.mycompany.shequ.dao.impl),如图所示
10.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 com.mycompany.shequ.bean.Forum; import com.mycompany.shequ.dao.ForumDao; public class ForumDaoImpl implements ForumDao { private DataSource dataSource; private JdbcTemplate template; public void setDataSource(DataSource dataSource) { this.dataSource = dataSource; } @Override public void insert(Forum forum) { String sql = "INSERT INTO hnsq_forum(name) values(?)"; template = new JdbcTemplate(dataSource); template.update(sql, new Object[]{forum.getName()}); } }
11.在source目录中创建配置文件spring-datasource.xml,如图所示
12.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source目录中创建配置文件applicationContext.xml,如图所示
14.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ForumDaoImplTest测试类,包名(com.mycompany.shequ.dao.impl),如图所示
16.ForumDaoImplTest测试类的内容如下
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("demo3"); forumDao.insert(forum); } }
17.运行testInsert方法,查看结果,如图所示
18.查看数据库中插入的数据
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Spring4-JdbcTemplate
标签:spring4-jdbctemplate