1.创建Maven项目,项目名(springdemo13),操作如图所示





2.配置Maven,修改pom.xml文件,内容如下
1.0.0
shequ
springdemo13
0.0.1-SNAPSHOT
1.7
UTF-8
UTF-8
codelds
https://code.lds.org/nexus/content/groups/main-repo
junit
junit
4.10
org.springframework
spring-core
4.1.4.RELEASE
org.springframework
spring-context
4.1.4.RELEASE
org.springframework
spring-jdbc
4.1.4.RELEASE
mysql
mysql-connector-java
5.1.34
3.在src/main/java下创建实体Bean Forum,包名(com.mycompany.shequ.bean),如图所示

4.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;
}
}
5.在src/main/java下创建接口ForumDao,包名(com.mycompany.shequ.dao),如图所示

6.接口ForumDao的内容如下
package com.mycompany.shequ.dao;
import java.util.List;
import com.mycompany.shequ.bean.Forum;
public interface ForumDao {
public List query() throws Exception ;
}
7.在src/main/java下创建接口ForumDao的实现类ForumDaoImpl,包名(com.mycompany.shequ.dao.impl),如图所示

8.接口ForumDao的实现类ForumDaoImpl的内容如下
package com.mycompany.shequ.dao.impl;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;
import javax.sql.DataSource;
import com.mycompany.shequ.bean.Forum;
import com.mycompany.shequ.dao.ForumDao;
public class ForumDaoImpl implements ForumDao{
private DataSource dataSource;
public void setDataSource(DataSource dataSource) {
this.dataSource = dataSource;
}
public List query() throws Exception {
Connection conn = dataSource.getConnection();
String sql = "select * from hnsq_forum";
Statement smt = conn.createStatement();
ResultSet rs = smt.executeQuery(sql);
List forumList = new ArrayList();
while(rs.next()){
Forum forum = new Forum();
forum.setFid(rs.getInt("fid"));
forum.setName(rs.getString("name"));
forumList.add(forum);
}
return forumList;
}
}
9.在src/main/resources下创建database目录,存储spring数据源spring-datasource.xml文件,如图所示

10.数据源spring-databsource.xml文件的内容如下
11.在src/main/resources下创建dao目录,存储相应的bean文件,文件名称spring-forum.xml,如图所示

12.spring-forum.xml的内容如下
13.在src/main/resources下创建spring核心配置文件spring-module.xml,如图所示

14.spring核心配置文件spring-module.xml的内容如下
15.在src/test/java目录下创建测试类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 java.util.List;
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 queryTest(){
ApplicationContext context = new ClassPathXmlApplicationContext("spring-module.xml");
ForumDao forumDao = (ForumDao) context.getBean("forumDao");
try {
List forumList = forumDao.queryDepartment();
for (Forum forum : forumList) {
System.out.println(forum.getFid());
System.out.println(forum.getName());
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
17.在测试类ForumDaoImplTest的queryTest方法上右键执行,输出结果如图所示

