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Spring2.5+Struts2+Ibatis整合之四

2009-05-17 17:07 363 查看
转载请注明:来自http://blog.csdn.net/M_ChangGong/ 作者:张燕广
该篇主要编写DAO层代码。
在src下创建包com.zyg.ssi.dao，在该包下创建接口StudentDao，其代码如下：

package com.zyg.ssi.dao;

import java.util.List;
import com.zyg.ssi.bean.Student;
public interface StudentDao {

	/**
	 * 保存学生信息
	 * @param student
	 */
	public void addStudent(Student student);

	/**
	 * 根据学号删除学生信息
	 * @param studentId
	 */
	public void delStudentById(int id);

	/**
	 * 更新学生信息
	 * @param student
	 */
	public void updateStudentById(Student student);

	/**
	 * 根据学号获取学生信息
	 * @param studentId
	 */
	public Student queryStudentById(int id);
	
	/**
	 * 根据姓名获取学生信息
	 * @param studentId
	 */
	public List<Student> queryStudentByName(String name);
	
	/**
	 * 获取全部学生信息
	 * @param studentId
	 */
	@SuppressWarnings("unchecked")
	public List<Student> queryAllStudents();

}

在src下创建包com.zyg.ssi.dao.ibaits，在该包下创建实现StudentDao接口的类StudentDaoImpl，其代码如下：
package com.zyg.ssi.dao.ibaits;

import java.io.IOException;
import java.io.Reader;
import java.sql.SQLException;
import java.util.List;

import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

import com.ibatis.sqlmap.client.SqlMapClient;
import com.zyg.ssi.bean.Student;
import com.zyg.ssi.dao.StudentDao;

public class StudentDaoImpl implements StudentDao {
	private SqlMapClient sqlMapClient;

	public void addStudent(Student student) {
		// TODO Auto-generated method stub
		try {
			sqlMapClient.insert("insertStudent", student);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	public void addStudentBySequence(Student student) {
		// TODO Auto-generated method stub

	}

	public void delStudentById(int id) {
		try {
			sqlMapClient.delete("delStudentById", id);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	public List<Student> queryAllStudents() {
		// TODO Auto-generated method stub
		List<Student> stuList = null;
		try {
			stuList = sqlMapClient.queryForList("selectAllStudent");
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		return stuList;
	}

	public Student queryStudentById(int id) {
		Student student=null;
		try {
			student = (Student)sqlMapClient.queryForObject("selectStudentById", id);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return student;
	}

	public List<Student> queryStudentByName(String name) {
		// TODO Auto-generated method stub
		List<Student> stuList = null;
		try {
			stuList = sqlMapClient.queryForList("selectStudentByName",name);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return stuList;
	}

	public void updateStudentById(Student student) {
		// TODO Auto-generated method stub
		try {
			sqlMapClient.update("updateStudent", student);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	public SqlMapClient getSqlMapClient() {
		return sqlMapClient;
	}

	public void setSqlMapClient(SqlMapClient sqlMapClient) {
		this.sqlMapClient = sqlMapClient;
	}
}

至此，改篇完成了DAO层代码的编写。下一篇开始编写Service层代码以及针对Service层功能的Junit测试代码。
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