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SSh开发班级教学管理系统

开始。SSH架构，整合过程：http://biancheng.dnbcw.net/java/415711.html；

之后进行开发：停车场信息管理系统。核心内容是：分层的逻辑结构，以及调用showcar.jsp中numcar值来进行一系列操作数据处理。

点击删除,同时进行备份到数据历史记录，最后显示汽车信息，可以查看历史记录。

运行步骤：

（2）显示结果

（3）查看历史记录：

后台代码操作：

代码结构体系：
代码：
CarAction.java

  1 package com;
  2 
  3 import java.util.List;
  4 
  5 import org.apache.struts2.ServletActionContext;
  6 
  7 
  8 import com.bean.CarBackUp;
  9 import com.bean.Cartime;
 10 import com.opensymphony.xwork2.ActionSupport;
 11 import com.service2.ActionManager;
 12 
 13 public class CarAction extends ActionSupport{
 14     private ActionManager dao,dao2;
 15     private String numcar;
 16     private String player;
 17     private String time1;
 18     private String time2;
 19     private String carid;
 20     private String parkid;
 21     
 22      public ActionManager getDao2() {
 23         return dao2;
 24     }
 25 
 26     public void setDao2(ActionManager dao2) {
 27         this.dao2 = dao2;
 28     }
 29 
 30     public ActionManager getDao() {
 31         return dao;
 32     }
 33 
 34     public void setDao(ActionManager dao) {
 35         this.dao = dao;
 36     }
 37 
 38     public String getNumcar() {
 39         return numcar;
 40     }
 41 
 42     public void setNumcar(String numcar) {
 43         this.numcar = numcar;
 44     }
 45 
 46     public String getPlayer() {
 47         return player;
 48     }
 49 
 50     public void setPlayer(String player) {
 51         this.player = player;
 52     }
 53 
 54     public String getTime1() {
 55         return time1;
 56     }
 57 
 58     public void setTime1(String time1) {
 59         this.time1 = time1;
 60     }
 61 
 62     public String getTime2() {
 63         return time2;
 64     }
 65 
 66     public void setTime2(String time2) {
 67         this.time2 = time2;
 68     }
 69 
 70     public String getCarid() {
 71         return carid;
 72     }
 73 
 74     public void setCarid(String carid) {
 75         this.carid = carid;
 76     }
 77 
 78     public String getParkid() {
 79         return parkid;
 80     }
 81 
 82     public void setParkid(String parkid) {
 83         this.parkid = parkid;
 84     }
 85 
 86     public String show() throws  Exception 
 87        {
 88          List<Cartime> allUserList=dao.queryAllCartime();
 89          ServletActionContext.getRequest().setAttribute("allUserList", allUserList);
 90            //杩斿洖璇锋眰allUserList缁橪istAllUser.jsp
 91          
 92         return "success";
 93          
 94        }
 95     public String incar() throws Exception
 96     {
 97         Cartime user=new Cartime();
 98         user.setNumcar(numcar);
 99         user.setPlayer(player);
100         user.setTime1(time1);
101         user.setTime2(time2);
102         user.setCarid(carid);
103         user.setParkid(parkid);
104         System.out.println(numcar);
105         if(dao.addCar(user))
106         {
107             return "success";
108         }
109         else
110             return "Error";
111         //return null;
112         
113     }
114     //获取被删除的数据；
115     
116     //利用被删除的数据
117     //删除，或者修改表，备份
118     public String  backup() throws Exception
119     {
120         Cartime user=dao.queryUserByID(numcar);
121         /**出现错误，显示dao.queryUserByID(numcar)为空，主要是appp**。xml中跳转问题比较严重昂
122          * 失误跳到表2中所以为空的值传输*/
123         ServletActionContext.getRequest().setAttribute("user2",user);
124         
125         CarBackUp user2=new CarBackUp();
126         String BackNumcar=user.getNumcar();//BackNumcar表示备份数据：车牌号
127         String BackPlayer=user.getPlayer();//BackPlayer表示备份数据：记录人
128         String BackTime1=user.getTime1();//BackTime表示备份数据：进入时间
129         String BackTime2=user.getTime2();//BackTime表示备份数据：离开时间
130         String BackCarid=user.getCarid();//BackCarid表示备份数据：停车位
131         String BackParkid=user.getParkid();//BackParkid表示备份数据：停车场
132         //为备份数据赋值
133         user2.setNumcar(BackNumcar);
134         user2.setCarid(BackCarid);
135         user2.setTime1(BackTime1);
136         user2.setTime2(BackTime2);
137         user2.setParkid(BackParkid);
138         user2.setPlayer(BackPlayer);
139         if(dao2.addBackCar(user2))//备份数据
140             System.out.print("备份车牌号"+BackNumcar);
141         //进行删除汽车记录信息
142          if(dao.deleteCar(user))
143            {
144                 return "success";
145            }
146            else
147            {
148                return "ERROR";      
149                
150            }
151         
152     }
153     //查看备份信息
154     public String  showbackup() throws Exception
155     {
156         
157          List<CarBackUp> allUserList=dao2.queryAllCarBackUp();
158          ServletActionContext.getRequest().setAttribute("allUserList", allUserList);
159            //杩斿洖璇锋眰allUserList缁橪istAllUser.jsp
160          
161         return "success";
162         
163     }
164 }

CaoDAO.java

 1 package com.dao;
 2 
 3 import java.util.List;
 4 
 5 import com.bean.CarBackUp;
 6 import com.bean.Cartime;
 7 
 8 
 9 
10 
11 public interface CarDAO {
12      /**
13      *列出所有汽车
14      */
15     public  List<Cartime> findAll();
16     
17     //按车辆查询用户
18     public Cartime get(String numcar);
19     
20     //添加信息的方法、、2017/4/19
21     public void save(Cartime user);
22     public void delete(Cartime user);
23     
24     
25 }

CarDAO2.java

 1 package com.dao;
 2 
 3 import java.util.List;
 4 
 5 import com.bean.CarBackUp;
 6 
 7 
 8 
 9 public interface CarDAO2 {
10      /**
11      *列出所有班级
12      */
13     public  List<CarBackUp> findAll();
14     
15     //按车辆查询用户
16     public CarBackUp get(String numcar);
17     
18     //添加信息的方法、、2017/4/19
19     public void save(CarBackUp user);
20 }

CarDAOImpl.java

 1 package com.dao.impl;
 2 //吕泽坤
 3 import java.util.List;
 4 
 5 import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
 6 
 7 import com.bean.CarBackUp;
 8 import com.bean.Cartime;
 9 
10 import com.dao.CarDAO;
11 
12 public class CarDAOImpl extends HibernateDaoSupport implements CarDAO {
13  ///查看停车场
14     public List<Cartime> findAll() {
15         // TODO Auto-generated method stub
16          return getHibernateTemplate().find("from com.bean.Cartime");
17     }
18 //获取汽车数据
19     public Cartime get(String numcar) {
20         // TODO Auto-generated method stub
21           return (Cartime)this.getHibernateTemplate().get(Cartime.class,numcar);
22     }
23     public void save(Cartime user) {
24         // TODO Auto-generated method stub
25           this.getHibernateTemplate().save(user);
26     }
27     public void delete(Cartime user) {
28         // TODO Auto-generated method stub
29          this.getHibernateTemplate().delete(user);
30     }
31     
32 
33 }

CarDAO2Impl.java

package com.dao.impl;

import java.util.List;

import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.bean.CarBackUp;

import com.dao.CarDAO2;

public class CarDAO2Impl extends HibernateDaoSupport implements CarDAO2 {
 ///查看停车场
    public List<CarBackUp> findAll() {
        // TODO Auto-generated method stub
         return getHibernateTemplate().find("from com.bean.CarBackUp");
    }
//获取汽车数据
    public CarBackUp get(String numcar) {
        // TODO Auto-generated method stub
          return (CarBackUp)this.getHibernateTemplate().get(CarBackUp.class,numcar);
    }
    public void save(CarBackUp user) {
        // TODO Auto-generated method stub
          this.getHibernateTemplate().save(user);
    }

}

ActionManager.java

 1 package com.service2;
 2 import java.util.List;
 3 
 4 import com.bean.CarBackUp;
 5 import com.bean.Cartime;
 6 
 7 
 8 
 9 
10 import com.dao.CarDAO2;
11 
12 import com.dao.CarDAO;
13 
14 
15 
16 public interface ActionManager {
17       
18     
19         public CarDAO getCarDAO();
20         public void setCarDAO(CarDAO carDAO);
21         /* 汽车查看列表*/
22         
23         public List<Cartime> queryAllCartime();
24         
25         public boolean addCar(Cartime user);
26         
27         //根据车牌号查到汽车的信息
28         public Cartime queryUserByID(String numcar);
29         public boolean deleteCar(Cartime user);
30         
31       /*汽车备份数据库*/
32         public CarDAO2 getCarDAO2();
33         public void setCarDAO2(CarDAO2 carDAO);
34         //备份数据操作数据
35         public boolean addBackCar(CarBackUp user);
36         //查看备份的数据库5/8
37         public List<CarBackUp> queryAllCarBackUp();
38         
39   
40         
41 
42 }

ActionManagerImpl.java

  1 package com.service.impl;
  2 
  3 import java.util.List;
  4 
  5 import com.bean.CarBackUp;
  6 import com.bean.Cartime;
  7 
  8 
  9 import com.dao.CarDAO2;
 10 
 11 import com.dao.CarDAO;
 12 
 13 import com.service2.ActionManager;
 14 
 15 
 16 
 17 public class ActionManagerImpl implements ActionManager 
 18 {
 19     private  CarDAO carDAO;
 20     
 21     public CarDAO getCarDAO() {
 22         // TODO Auto-generated method stub
 23         return this.carDAO;
 24     }
 25 
 26     public void setCarDAO(CarDAO carDAO) {
 27         // TODO Auto-generated method stub
 28         this.carDAO=carDAO;
 29     }
 30     private  CarDAO2 carDAO2;
 31     
 32     public CarDAO2 getCarDAO2() {
 33         // TODO Auto-generated method stub
 34         return this.carDAO2;
 35     }
 36 
 37     public void setCarDAO2(CarDAO2 carDAO2) {
 38         // TODO Auto-generated method stub
 39         this.carDAO2=carDAO2;
 40     }
 41     
 42     
 43     
 44 //产看汽车。
 45     public List<Cartime> queryAllCartime() 
 46     {
 47         // TODO Auto-generated method stub
 48           return carDAO.findAll();
 49     }
 50 
 51     public boolean addCar(Cartime user) 
 52     {
 53         // TODO Auto-generated method stub
 54          if (carDAO.get(user.getCarid())==null)
 55          {
 56              
 57              carDAO.save(user);
 58              System.out.println("添加班级成功编号不重复");
 59          }
 60          else
 61              return false;
 62          return true;
 63     }
 64     //
 65     public Cartime queryUserByID(String numcar) 
 66     {
 67         // TODO Auto-generated method stub
 68         //System.out.println(carDAO.get(numcar));
 69         return carDAO.get(numcar);//返回查到的值
 70     }
 71 
 72     
 73     
 74 /***汽车备份操作*/
 75     
 76     public boolean addBackCar(CarBackUp user) 
 77     {
 78         
 79         // TODO Auto-generated method stub
 80           carDAO2.save(user);//采用了表2，z
 81           return true;
 82     }
 83 
 84    public boolean deleteCar(Cartime user) 
 85    {
 86     // TODO Auto-generated method stub
 87       carDAO.delete(user);
 88     
 89       return true;
 90     }
 91 //
 92 public List<CarBackUp> queryAllCarBackUp() 
 93 {
 94     // TODO Auto-generated method stub
 95       return carDAO2.findAll();
 96 }
 97 
 98 
 99 
100 
101 
102     
103 
104             
105 
106         
107 
108         
109 
110         
111 
112         
113 
114 }

showcar.jsp

 1 <%@ page language="java" contentType="text/html; charset=UTF-8"
 2     pageEncoding="UTF-8"%>
 3     <%@taglib prefix="s" uri="/struts-tags" %>
 4     
 5 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 6 <html>
 7 <head>
 8 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
 9 <LINK href="css/admin.css" type="text/css" rel="stylesheet">
10 <LINK href="css/theme.css" type="text/css" rel="stylesheet">
11 
12 <title>Insert title here</title>
13 </head>
14 <body>
15 <center>
16 <s:if test="#request.allUserList.size>0">
17 停车信息管理
18 <table border="1" class="tab_css_1" width="80%">
19  <tr>
20    <th>汽车车牌号</th>
21    <th>记录员</th>
22    <th>停车时间</th>
23    <th>离开时间</th>
24    <th>车位号</th>
25    <th>停车场</th>
26    <th colspan="1">操作</th>
27  </tr>
28   <s:iterator value="#request.allUserList" id="u">
29  <tr class="tr_css" align="center">
30    <td><s:property value="#u.numcar"/></td>    
31    <td><s:property value="#u.player"/></td>    
32    <td><s:property value="#u.time1"/></td>    
33    <td><s:property value="#u.time2"/></td> 
34    <td><s:property value="#u.carid"/>(号)</td>  
35    <td><s:property value="#u.parkid"/>(场)</td>   
36     
37     <td>
38     <s:a href="Backup.action?numcar=%{#u.numcar}" onclick="return confirm('确定删除？');">删除</s:a>
<!--  用来根据number 获取数据-->

39     </td>
40  </tr>
41  </s:iterator>
42 </table>
43 <s:if test="#request.pb!=null">
44 
45 
46 </s:if>
47 </s:if>
48 <s:else>
49   <font size="4" color="red">没有查询到任何记录</font>
50 </s:else>
51 </center>
52 
53 </body>
54 </html>

数据库结构

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原文地址：https://www.cnblogs.com/gdp176119/p/6800145.html

SSh开发 班级教学管理系统

SSh开发班级教学管理系统