MyBatis+Spring+Struts2

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MyBatis3.1.1+Spring3.1.2+Struts2.3.4.1
先来看目录结构




来看配置文件
applicationContext.xml

mybatis-config.xml

struts.xml

	
		
			/index.jsp
		
		
			/index.jsp
		
		
			/index.jsp
		
	
	
	
		
			/index1.jsp
		
		
			/index1.jsp
		
	

web.xml

	
	
		contextConfigLocation
		classpath:applicationContext.xml
	
	
			
		org.springframework.web.context.ContextLoaderListener
	
	
		struts2
		org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
	
	
		struts2
		/*
	
	
  
    index.jsp
  

--映射文件
StudentMapper.xml

 
   	
   	
   	
    
     
    
 	sid,sname,score

	 	
 	
 		
 		
 		
 	
 	
 	
 		
 		
 		
 		
 		
 		
 		
 	
 	
 	
 	
 		
 			
 			
 			
 		
 		
 	
 
 
 	
 		select s.sid,s.sname,s.score,c.cid,c.cname,c.teacher,c.createdate from student s left join classes c on s.cid=c.cid where s.sname=#{sname}
 	
 
 	
 	
 		select STUDENT_SEQ.nextVal from dual
 	
 		insert into student(sid,sname,major,birth,score)
    	values (#{sid},#{sname},#{major},#{birth},#{score})
 	
 	
 	
 		insert into student(sid,sname,major,birth,score)
 		values (#{sid},#{sname},#{major},#{birth},#{score})
 	
 	
 	
 		delete student where sid=#{sid}
 	
 	
 	
 		select * from student order by sid
 	
 	
 	
 	
 		select * from student where sname like #{property,javaType=String,jdbcType=VARCHAR}
 	
 	
 	
 	
 		select * from student where sid=#{property,javaType=int,jdbcType=NUMERIC}
 	
 	
 	
 	
 		update student 
 		
 			sname=#{sname},
 			majoir=#{major},
 			birth=#{birth},
 			score=#{score}
 		
 		where sid=#{sid}
 	
 	
 	
 	
 		select  from STUDENT where sname like #{sname}
 		
 	
 	
 	
 		select * from student 
 		
	 		
	 			sname like #{sname}
	 		
	 		
	 			AND sid=#{sid}
	 		
 		
 	
 	
 	
 	
 		select * from student 
 		
 			
 				 
 					sname like #{sname}
 				
 				
 					AND sid = #{sid}
 				
 				
 					AND status='1'
 				
 			
 		
 	
 	
 	
 	
 		select * from student 
 		where sid in
 		
 			#{itm}
 		
 	
 	
 	
 	
 		select * from student 
 		where sid in
 		
 			#{itm}
 		
 	
 	
 	
 		
 		
 		 
 	
 	
 	
 		{call LUOB.pro_getallstudent(?,?,?)}
 	

 

ClassesMapper.xml

 
 
 
 	
 	
 	
 	
 	
 		
 		
 		
 		
 	
 	
 	
 	
 		
 		
 		
 		
 		
 	
 	
 	
 	
 		select 
	 		c.cid,
	 		c.cname,
	 		c.teacher,
	 		c.createdate,
	 		s.sid stu_sid,
	 		s.sname stu_sname,
	 		s.score stu_score
 		from student s right join classes c on s.cid=c.cid where c.cid=#{cid}
 	
 	
 	
 		delete classes where cid=#{cid}
 	
 	
 

--dao 和 impl
IStudentDAO.java

package com.mybatis.student;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import com.mybatis.classes.Classes;

/**
 * 手动写dao 然后注入sqlSession 或者 继承
 * @author Administrator
 *
 */
public interface IStudentDAO {
	//手动添加 id
	public int addStudent(Student student);

	//自动生成 id
	public int addStudentBySequence(Student student);

	//根据id删除
	public int delStudentById(int id);
	
	//测试更新
	public int updStudentById(Student student);

	//查询所有
	public List queryAllStudent();

	//测试 模糊查询
	public List queryStudentByName(Student name);

	//测试 id查询
	public Student queryStudentById(int id);
	
	//测试 自定义 resultMap
	List studentResultMap(String sname);
	
	//测试 左连接查询
	List selectStudentAndClassBySname(String sname);

	//测试 右联合查询
	Classes selectClassAndStudentListById(int id);
	
	//测试动态sql
	List selectStudentByDynamicSql(Student student);
	
	//测试动态sql
	List selectStudentByDynamicSqlChoose(Student student);
	
	//测试 foreach 和集合
	List selectStudentByIds(ArrayList ids);
	
	//测试 foreach 和 数组
	List selectStudentByIdArray(Integer[] idArry);
	
	//测试 map
	Map getAllStudentAfterupdate(Map map);
	
}

IStudentDAOImpl.java

package com.mybatis.student;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.apache.ibatis.session.SqlSession;
import org.mybatis.spring.SqlSessionTemplate;

import com.mybatis.classes.Classes;

/**
 *  @author Administrator
 *  如果要直接使用 mybatis 的 sqlSession 不由spring 管理 sqlSession 
 *  可以只注入sqlSessionFactory 然后 像mybatis 中使用 sqlSession 一样  openSession()  .close() 
 *  否则  可以 继承 SqlSessionDaoSupport ("getSqlSession() insert/select/delete/update")
 *  和  SqlSessionTemplate 得到 spring 管理的 线程安全的 sqlSession 
 *  或者 简单的使用XML中配置  MapperFactoryBean 这样就省去了我们 获取sqlSession了 
 */
public class IStudentDAOImpl implements IStudentDAO {

	private SqlSessionTemplate sqlSession;
	
	public SqlSessionTemplate getSqlSession() {
		return sqlSession;
	}
	public void setSqlSession(SqlSessionTemplate sqlSession) {
		this.sqlSession = sqlSession;
	}
	
	public int addStudent(Student student) {
		// TODO Auto-generated method stub
		
		return getSqlSession().insert("com.mybatis.student.addStudent", student);
		
	}

	public int addStudentBySequence(Student student) {
		// TODO Auto-generated method stub
		return getSqlSession().insert("com.mybatis.student.addStudentBySequence", student);
	}

	public int delStudentById(int id) {
		int rows=getSqlSession().delete("com.mybatis.student.delStudentById", id);
		System.out.println(rows);
		return rows;
	}

	public List queryAllStudent() {
		List stuList=new ArrayList();
		stuList=getSqlSession().selectList("com.mybatis.student.queryAllStudent");
		return stuList;
	}

	public Student queryStudentById(int id) {
		// TODO Auto-generated method stub
		return (Student)getSqlSession().selectOne("com.mybatis.student.queryStudentById",id);
	}

	public Map getAllStudentAfterupdate(Map map) {
		// TODO Auto-generated method stub
		 getSqlSession().selectOne("com.mybatis.student.getAllStudentAfterupdate",map);
		 return map;
	}

	public Classes selectClassAndStudentListById(int id) {
		// TODO Auto-generated method stub
		return (Classes)getSqlSession().selectOne("com.mybatis.classes.selectClassAndStudentListById",id);
	}

	public List selectStudentAndClassBySname(String sname) {
		// TODO Auto-generated method stub
		List stuList=new ArrayList();
		stuList=getSqlSession().selectList("com.mybatis.student.selectStudentAndClassBySname",sname);
		return stuList;
	}

	public List selectStudentByDynamicSql(Student student) {
		// TODO Auto-generated method stub
		return getSqlSession().selectList("com.mybatis.student.selectStudentByDynamicSql",student);
	}

	public List selectStudentByDynamicSqlChoose(Student student) {
		// TODO Auto-generated method stub
		return getSqlSession().selectList("com.mybatis.student.selectStudentByDynamicSqlChoose",student);
	}

	public List selectStudentByIdArray(Integer[] idArry) {
		// TODO Auto-generated method stub
		return getSqlSession().selectList("com.mybatis.student.selectStudentByIdArray",idArry);
	}

	public List selectStudentByIds(ArrayList ids) {
		// TODO Auto-generated method stub
		return getSqlSession().selectList("com.mybatis.student.selectStudentByIds",ids);
	}

	public List studentResultMap(String sname) {
		// TODO Auto-generated method stub
		return getSqlSession().selectList("com.mybatis.student.selectMapResult",sname);
	}

	public List queryStudentByName(Student name) {
		// TODO Auto-generated method stub
		List stuList=new ArrayList();
		stuList=getSqlSession().selectList("com.mybatis.student.queryStudentByName","%"+name+"%");
		return stuList;
	}

	public int updStudentById(Student student) {
		return getSqlSession().update("com.mybatis.student.addStudentBySequence", student);
	}

}

IStudentDAOImpl_sqlSessionDaoSupport.java

package com.mybatis.student;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.mybatis.spring.support.SqlSessionDaoSupport;

import com.mybatis.classes.Classes;

/**
 *  @author Administrator
 *  如果要直接使用 mybatis 的 sqlSession 不由spring 管理 sqlSession 
 *  可以只注入sqlSessionFactory 然后 像mybatis 中使用 sqlSession 一样  openSession()  .close() 
 *  否则  可以 继承 SqlSessionDaoSupport ("getSqlSession() insert/select/delete/update")
 *  和  SqlSessionTemplate 得到 spring 管理的 线程安全的 sqlSession 
 *  或者 简单的使用XML中配置  MapperFactoryBean 这样就省去了我们 获取sqlSession了 
 */
public class IStudentDAOImpl_sqlSessionDaoSupport  extends SqlSessionDaoSupport  implements IStudentDAO {

	public int addStudent(Student student) {
		// TODO Auto-generated method stub
		return getSqlSession().insert("com.mybatis.student.addStudent", student);
	}

	public int addStudentBySequence(Student student) {
		// TODO Auto-generated method stub
		return getSqlSession().insert("com.mybatis.student.addStudentBySequence", student);
	}

	public int delStudentById(int id) {
		int rows=getSqlSession().delete("com.mybatis.student.delStudentById", id);
		System.out.println(rows);
		return rows;
	}

	public List queryAllStudent() {
		List stuList=new ArrayList();
		stuList=getSqlSession().selectList("com.mybatis.student.queryAllStudent");
		return stuList;
	}

	public Student queryStudentById(int id) {
		// TODO Auto-generated method stub
		return (Student)getSqlSession().selectOne("com.mybatis.student.queryStudentById",id);
	}

	public Map getAllStudentAfterupdate(Map map) {
		// TODO Auto-generated method stub
		 getSqlSession().selectOne("com.mybatis.student.getAllStudentAfterupdate",map);
		 return map;
	}

	public Classes selectClassAndStudentListById(int id) {
		// TODO Auto-generated method stub
		return (Classes)getSqlSession().selectOne("com.mybatis.classes.selectClassAndStudentListById",id);
	}

	public List selectStudentAndClassBySname(String sname) {
		// TODO Auto-generated method stub
		List stuList=new ArrayList();
		stuList=getSqlSession().selectList("com.mybatis.student.selectStudentAndClassBySname",sname);
		return stuList;
	}

	public List selectStudentByDynamicSql(Student student) {
		// TODO Auto-generated method stub
		return getSqlSession().selectList("com.mybatis.student.selectStudentByDynamicSql",student);
	}

	public List selectStudentByDynamicSqlChoose(Student student) {
		// TODO Auto-generated method stub
		return getSqlSession().selectList("com.mybatis.student.selectStudentByDynamicSqlChoose",student);
	}

	public List selectStudentByIdArray(Integer[] idArry) {
		// TODO Auto-generated method stub
		return getSqlSession().selectList("com.mybatis.student.selectStudentByIdArray",idArry);
	}

	public List selectStudentByIds(ArrayList ids) {
		// TODO Auto-generated method stub
		return getSqlSession().selectList("com.mybatis.student.selectStudentByIds",ids);
	}

	public List studentResultMap(String sname) {
		// TODO Auto-generated method stub
		return getSqlSession().selectList("com.mybatis.student.selectMapResult",sname);
	}

	public List queryStudentByName(Student name) {
		// TODO Auto-generated method stub
		List stuList=new ArrayList();
		stuList=getSqlSession().selectList("com.mybatis.student.queryStudentByName","%"+name+"%");
		return stuList;
	}

	public int updStudentById(Student student) {
		return getSqlSession().update("com.mybatis.student.addStudentBySequence", student);
	}

}

IStudentDAOImpl_sqlSessionTemplate.java

package com.mybatis.student;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.apache.ibatis.session.ExecutorType;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionTemplate;
import org.mybatis.spring.support.SqlSessionDaoSupport;

import com.mybatis.classes.Classes;

/**
 *  @author Administrator
 *  如果要直接使用 mybatis 的 sqlSession 不由spring 管理 sqlSession 
 *  可以只注入sqlSessionFactory 然后 像mybatis 中使用 sqlSession 一样  openSession()  .close() 
 *  否则  可以 继承 SqlSessionDaoSupport ("getSqlSession() insert/select/delete/update")
 *  和  SqlSessionTemplate 得到 spring 管理的 线程安全的 sqlSession 
 *  或者 简单的使用XML中配置  MapperFactoryBean 这样就省去了我们 获取sqlSession了 
 */
public class IStudentDAOImpl_sqlSessionTemplate extends SqlSessionTemplate implements IStudentDAO {

	//同样是 创建一个 可以批量操作的 sqlSession
	public IStudentDAOImpl_sqlSessionTemplate(
			SqlSessionFactory sqlSessionFactory) {
		super(sqlSessionFactory);
		// TODO Auto-generated constructor stub
	}

	public int addStudent(Student student) {
		// TODO Auto-generated method stub
		
		return this.insert("com.mybatis.student.addStudent", student);
		
	}

	public int addStudentBySequence(Student student) {
		// TODO Auto-generated method stub
		return this.insert("com.mybatis.student.addStudentBySequence", student);
	}

	public int delStudentById(int id) {
		int rows=this.delete("com.mybatis.student.delStudentById", id);
		System.out.println(rows);
		return rows;
	}

	public List queryAllStudent() {
		List stuList=new ArrayList();
		stuList=this.selectList("com.mybatis.student.queryAllStudent");
		return stuList;
	}

	public Student queryStudentById(int id) {
		// TODO Auto-generated method stub
		return (Student)this.selectOne("com.mybatis.student.queryStudentById",id);
	}

	public Map getAllStudentAfterupdate(Map map) {
		// TODO Auto-generated method stub
		 this.selectOne("com.mybatis.student.getAllStudentAfterupdate",map);
		 return map;
	}

	public Classes selectClassAndStudentListById(int id) {
		// TODO Auto-generated method stub
		return (Classes)this.selectOne("com.mybatis.classes.selectClassAndStudentListById",id);
	}

	public List selectStudentAndClassBySname(String sname) {
		// TODO Auto-generated method stub
		List stuList=new ArrayList();
		stuList=this.selectList("com.mybatis.student.selectStudentAndClassBySname",sname);
		return stuList;
	}

	public List selectStudentByDynamicSql(Student student) {
		// TODO Auto-generated method stub
		return this.selectList("com.mybatis.student.selectStudentByDynamicSql",student);
	}

	public List selectStudentByDynamicSqlChoose(Student student) {
		// TODO Auto-generated method stub
		return this.selectList("com.mybatis.student.selectStudentByDynamicSqlChoose",student);
	}

	public List selectStudentByIdArray(Integer[] idArry) {
		// TODO Auto-generated method stub
		return this.selectList("com.mybatis.student.selectStudentByIdArray",idArry);
	}

	public List selectStudentByIds(ArrayList ids) {
		// TODO Auto-generated method stub
		return this.selectList("com.mybatis.student.selectStudentByIds",ids);
	}

	public List studentResultMap(String sname) {
		// TODO Auto-generated method stub
		return this.selectList("com.mybatis.student.selectMapResult",sname);
	}

	public List queryStudentByName(Student name) {
		// TODO Auto-generated method stub
		List stuList=new ArrayList();
		stuList=this.selectList("com.mybatis.student.queryStudentByName","%"+name+"%");
		return stuList;
	}

	public int updStudentById(Student student) {
		return this.update("com.mybatis.student.addStudentBySequence", student);
	}

}

IClassesDAO.java

package com.mybatis.classes;

/**
 * 使用  MapperFactoryBean 来管理 sqlSession 
 * @author Administrator
 *
 */
public interface IClassesDAO {
	// 也可以在这里使用注解配置 sql语句  这样就不用写 映射文件了
	Classes selectClassAndStudentListById(int cid);
	int delClassesBycid(int cid);
}

Student.java

package com.mybatis.student;

import java.io.Serializable;
import java.util.Date;

import com.mybatis.classes.Classes;

public class Student implements Serializable {
private int sid;
private String sname;
private String major;
private Date birth;
private float score;
private int cid;
private int status;

//get set()
}

Classes.java

package com.mybatis.classes;

import java.sql.Date;
import java.util.List;

import com.mybatis.student.Student;

public class Classes {
	private int cid;
	private String cname;
	private String teacher;
	private Date createDate;

	private List students;
	//get set
}

BaseAction.java

package com.mybatis.common;

import java.util.Map;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts2.ServletActionContext;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

public class BaseAction extends ActionSupport{

	public Object getServiceBean(String beanId){
		ServletContext sc=ServletActionContext.getServletContext();
		WebApplicationContext ctx=WebApplicationContextUtils.getWebApplicationContext(sc);
		return ctx.getBean(beanId);
	}
	
	public HttpServletRequest getRequest(){
		return ServletActionContext.getRequest();
	}
	
	public HttpServletResponse getResponse(){
		return ServletActionContext.getResponse();
	}
	
	public Map getSession() {
		ActionContext act=ActionContext.getContext();
		return act.getSession();
	}
}

StudentAction.java

package com.mybatis.action;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import com.mybatis.common.BaseAction;
import com.mybatis.student.IStudentService;
import com.mybatis.student.Student;

public class StudentAction extends BaseAction {

	private Student student;
	private List stuList;
	
	public String getAllStudent(){
		try {
			IStudentService stuService=(IStudentService)this.getServiceBean("studentService");
			stuList=stuService.queryAllStudent();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return SUCCESS;
	}
	
	public String delStudentById(){
		try {
			HttpServletRequest request=this.getRequest();
			IStudentService stuService=(IStudentService)this.getServiceBean("studentService");
			int rows=stuService.delStudentById(student.getSid());
			if(rows>0){
				request.setAttribute("msg", "");
			}else{
				request.setAttribute("msg", "");
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return getAllStudent();
		
	}
	
	public String queryStudentById(){
		try {
			IStudentService stuService=(IStudentService)this.getServiceBean("studentService");
			student=stuService.queryStudentById(student.getSid());
		} catch (Exception e) {
			e.printStackTrace();
		}
		return SUCCESS;
	}
	
	public String getAllStudentAfterupdate(){
		try {
			Map map=new HashMap();
			map.put("sid", student.getSid());
			map.put("sname", student.getSname());
			IStudentService stuService=(IStudentService)this.getServiceBean("studentService");
			map=stuService.getAllStudentAfterupdate(map);
			stuList=(List)map.get("studentList");
		} catch (Exception e) {
			e.printStackTrace();
		}
		return SUCCESS;
	}

	
	public List getStuList() {
		return stuList;
	}

	public void setStuList(List stuList) {
		this.stuList = stuList;
	}

	public Student getStudent() {
		return student;
	}

	public void setStudent(Student student) {
		this.student = student;
	}
	
	
}

ClassesAction.java

package com.mybatis.action;

import javax.servlet.http.HttpServletRequest;

import com.mybatis.classes.Classes;
import com.mybatis.classes.IClassesService;
import com.mybatis.common.BaseAction;

public class ClassesAction extends BaseAction {

	private Classes classes;
	
	/**
	 * 根据 id 删除
	 * @return
	 */
	public String delClassesById(){
		try {
			HttpServletRequest request=this.getRequest();
			IClassesService classesService=(IClassesService)this.getServiceBean("classesService");
			int rows=classesService.delClassesBycid(classes.getCid());
			if(rows>0){
				request.setAttribute("msg", "");
			}else{
				request.setAttribute("msg", "");
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return SUCCESS;
	}
	
	
	/**
	 * 测试 右连接查询  会查询出 班级中拥有的学生 
	 * @return
	 */
	public String queryClassesById(){
		try {
			IClassesService classesService=(IClassesService)this.getServiceBean("classesService");
			classes=classesService.selectClassAndStudentListById(classes.getCid());
		} catch (Exception e) {
			e.printStackTrace();
		}
		return SUCCESS;
	}
	public Classes getClasses() {
		return classes;
	}
	public void setClasses(Classes classes) {
		this.classes = classes;
	}
	
}

index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>



  
    
    
    
  
  
  
  	 

     	

     		

     			
学生id
     			

     		
     		

     			
学生姓名
     			

     		
     	
     	
     
     

     
     
     	

     	

     		
sid
     		
sname
     		
major
     		
birth
     		
score
     		
操作
     	
     	

     		
${student.sid}
     		
${student.sname}
     		
${student.major}
     		


     		
${student.score}
     		
 
     	
     
     
     
     ${msg}
  

index1.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>



  
    
    
    
  
  
  
  	 

     	

     		

     			
班级id
     			

     		
     	
     	
     
     

     
     	
     	

     	

     		
cid
     		
cname
     		
teacher
     		
crateDate
     		
操作
     	
     	

     		
${classes.cid}
     		
${classes.cname}
     		
${classes.teacher}
     		
${classes.createDate}
     		
 
     	
     

     		
sid
     		
sname
     		
birth
     		
score
     		

     	
     	

     		
${student.sid}
     		
${student.sname}
     		


     		
${student.score}
     		
 
     	
     
     
      
     ${msg}
  

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