超市账单管理系统练习源代码

本文转载自查看原文 2017-11-19 21:55 3187 练习/ 源代码/ 管理/ 系统/ 超市/ 账单

早几天,老师让我们做一个超市账单管理系统,做了一半之后,不想做了,发奋一样上网找源代码做参考,结果全部都要钱,或积分,逗~吐血~~~

硬着头皮坐下来了,不容易啊,对于初学者来说.

先写属性

  1 package com.zhiyou.sm.entity;
  2 /**
  3  * @author 司徒魏源
  4  */
  5 import java.util.Date;
  6 public class Bill {
  7     private int id;
  8     private String product_name;
  9     private String product_desc;
 10     private Date billTime;
 11     private int isPay;
 12     private int department;
 13     private int provider_id;//外键，未设置
 14     private String billMoney;
 15     private int counts;
 16     private String unit;
 17     private String provider_name;//外键，未设置
 18     public int getId() {
 19         return id;
 20     }
 21     public void setId(int id) {
 22         this.id = id;
 23     }
 24     public String getProduct_name() {
 25         return product_name;
 26     }
 27     public void setProduct_name(String product_name) {
 28         this.product_name = product_name;
 29     }
 30     public String getProduct_desc() {
 31         return product_desc;
 32     }
 33     public void setProduct_desc(String product_desc) {
 34         this.product_desc = product_desc;
 35     }
 36     public Date getBillTime() {
 37         return billTime;
 38     }
 39     public void setBillTime(Date billTime) {
 40         this.billTime = billTime;
 41     }
 42     public int getIsPay() {
 43         return isPay;
 44     }
 45     public void setIsPay(int isPay) {
 46         this.isPay = isPay;
 47     }
 48     public int getDepartment() {
 49         return department;
 50     }
 51     public void setDepartment(int department) {
 52         this.department = department;
 53     }
 54     public int getProvider_id() {
 55         return provider_id;
 56     }
 57     public void setProvider_id(int provider_id) {
 58         this.provider_id = provider_id;
 59     }
 60     public String getBillMoney() {
 61         return billMoney;
 62     }
 63     public void setBillMoney(String billMoney) {
 64         this.billMoney = billMoney;
 65     }
 66     public int getCounts() {
 67         return counts;
 68     }
 69     public void setCounts(int counts) {
 70         this.counts = counts;
 71     }
 72     public String getUnit() {
 73         return unit;
 74     }
 75     public void setUnit(String unit) {
 76         this.unit = unit;
 77     }
 78     public String getProvider_name() {
 79         return provider_name;
 80     }
 81     public void setProvider_name(String provider_name) {
 82         this.provider_name = provider_name;
 83     }
 84     public Bill(int id, String product_name, String product_desc,
 85             Date billTime, int isPay, int department, int provider_id,
 86             String billMoney, int counts, String unit, String provider_name) {
 87         super();
 88         this.id = id;
 89         this.product_name = product_name;
 90         this.product_desc = product_desc;
 91         this.billTime = billTime;
 92         this.isPay = isPay;
 93         this.department = department;
 94         this.provider_id = provider_id;
 95         this.billMoney = billMoney;
 96         this.counts = counts;
 97         this.unit = unit;
 98         this.provider_name = provider_name;
 99     }
100     public Bill() {
101         super();
102         // TODO Auto-generated constructor stub
103     }
104     @Override
105     public String toString() {
106         return "Bill [id=" + id + ", product_name=" + product_name
107                 + ", product_desc=" + product_desc + ", billTime=" + billTime
108                 + ", isPay=" + isPay + ", department=" + department
109                 + ", provider_id=" + provider_id + ", billMoney=" + billMoney
110                 + ", counts=" + counts + ", unit=" + unit + ", provider_name="
111                 + provider_name + "]";
112     }
113 
114     
115 }

Bill属性

 1 package com.zhiyou.sm.entity;               
 2 /**
 3  * @author 司徒魏源
 4  */
 5 public class Provider {
 6     private int proId;//编号
 7     private String proName;//姓名
 8     private String proContact;//联系人
 9     private String proDesc;//描述
10     private String proPhone;//电话
11     private String proAdress;//地址
12     private String proFax;//传真
13     public int getProId() {
14         return proId;
15     }
16     public void setProId(int proId) {
17         this.proId = proId;
18     }
19     public String getProName() {
20         return proName;
21     }
22     public void setProName(String proName) {
23         this.proName = proName;
24     }
25     public String getProContact() {
26         return proContact;
27     }
28     public void setProContact(String proContact) {
29         this.proContact = proContact;
30     }
31     public String getProDesc() {
32         return proDesc;
33     }
34     public void setProDesc(String proDesc) {
35         this.proDesc = proDesc;
36     }
37     public String getProPhone() {
38         return proPhone;
39     }
40     public void setProPhone(String proPhone) {
41         this.proPhone = proPhone;
42     }
43     public String getProAdress() {
44         return proAdress;
45     }
46     public void setProAdress(String proAdress) {
47         this.proAdress = proAdress;
48     }
49     public String getProFax() {
50         return proFax;
51     }
52     public void setProFax(String proFax) {
53         this.proFax = proFax;
54     }
55     public Provider(int proId, String proName, String proContact,
56             String proDesc, String proPhone, String proAdress, String proFax) {
57         super();
58         this.proId = proId;
59         this.proName = proName;
60         this.proContact = proContact;
61         this.proDesc = proDesc;
62         this.proPhone = proPhone;
63         this.proAdress = proAdress;
64         this.proFax = proFax;
65     }
66     public Provider() {
67         super();
68         // TODO Auto-generated constructor stub
69     }
70     @Override
71     public String toString() {
72         return "Provider [proId=" + proId + ", proName=" + proName
73                 + ", proContact=" + proContact + ", proDesc=" + proDesc
74                 + ", proPhone=" + proPhone + ", proAdress=" + proAdress
75                 + ", proFax=" + proFax + "]";
76     }
77 
78     
79 }

Provider属性

 1 package com.zhiyou.sm.entity;
 2 /**
 3  * @author 司徒魏源
 4  */
 5 public class User {
 6     private int id;
 7     private String username;
 8     private String password;
 9     private int sex;
10     private int age;
11     private String mobile;
12     private String address;
13     private int common;//普通用户
14     private int superno;//管理员
15     public int getId() {
16         return id;
17     }
18     public void setId(int id) {
19     
20         this.id = id;
21     }
22     public String getUsername() {
23         return username;
24     }
25     public void setUsername(String username) {
26         this.username = username;
27     }
28     public String getPassword() {
29         return password;
30     }
31     public void setPassword(String password) {
32         this.password = password;
33     }
34     public int getSex() {
35         return sex;
36     }
37     public void setSex(int sex) {
38         this.sex = sex;
39     }
40     public int getAge() {
41         return age;
42     }
43     public void setAge(int age) {
44         this.age = age;
45     }
46     public String getMobile() {
47         return mobile;
48     }
49     public void setMobile(String mobile) {
50         this.mobile = mobile;
51     }
52     public String getAddress() {
53         return address;
54     }
55     public void setAddress(String address) {
56         this.address = address;
57     }
58     public int getCommon() {
59         return common;
60     }
61     public void setCommon(int common) {
62         this.common = common;
63     }
64     public int getSuperno() {
65         return superno;
66     }
67     public void setSuperno(int superno) {
68         this.superno = superno;
69     }
70     public User(int id, String username, String password, int sex, int age,
71             String mobile, String address, int common, int superno) {
72         super();
73         this.id = id;
74         this.username = username;
75         this.password = password;
76         this.sex = sex;
77         this.age = age;
78         this.mobile = mobile;
79         this.address = address;
80         this.common = common;
81         this.superno = superno;
82     }
83     public User() {
84         super();
85         // TODO Auto-generated constructor stub
86     }
87     @Override
88     public String toString() {
89         return "User [id=" + id + ", username=" + username + ", password="
90                 + password + ", sex=" + sex + ", age=" + age + ", mobile="
91                 + mobile + ", address=" + address + ", common=" + common
92                 + ", superno=" + superno + "]";
93     }
94     
95 
96 }

User属性

dao层

 1 package com.zhiyou.sm.dao;
 2 /**
 3  * @author 司徒魏源
 4  */
 5 import java.util.List;
 6 import com.zhiyou.sm.entity.Bill;
 7 public interface BillDao {
 8     /**
 9      * 获得所有
10      * @param object
11      * @return
12      */
13      public List<Bill> getAll(String name,int ispay);    
14     /**
15      * 通过编号获得一条记录
16      * @param id
17      * @return
18      */
19     public Bill getBillById(int id);    
20     /**
21      * 添加
22      * @param bill
23      * @return
24      */
25     public boolean add(Bill bill);
26     /**
27      * 更新
28      * @param bill
29      * @return
30      */
31     public boolean update(Bill bill);
32     /**
33      * 删除
34      * @param id
35      * @return
36      */
37     public boolean delete(int id);
38 }

BillDao接口

 1 package com.zhiyou.sm.dao;
 2 /**
 3  * @author 司徒魏源
 4  */
 5 import java.util.List;
 6 import com.zhiyou.sm.entity.Provider;
 7 public interface ProviderDao {    
 8     /**
 9      * 获得总记录数
10      * @param proName
11      * @param proDesc
12      * @return
13      */
14     public int getTotalCount(String proName,String proDesc);    
15     /**
16      * 根据条件进行模糊查询
17      * @param pageIndex,代表当前页
18      * @param proName
19      * @param proDesc
20      * @return
21      */
22     public List<Provider> getAllByParams(int pageIndex,String proName,String proDesc);    
23     /**
24      * 根据供应商编号获得一个对象
25      * @param proId
26      * @return
27      */
28     public Provider getProByProId(int proId);    
29     /**
30      * 添加操作
31      * @param provide
32      * @return
33      */
34     public boolean add(Provider provider);
35     /**
36      * 更新操作
37      * @param provide
38      * @return
39      */
40     public boolean update(Provider provider);    
41     /**
42      * 根据编号删除
43      * @param proId
44      * @return
45      */
46     public boolean delete(int proId);
47 }

ProviderDao接口

 1 package com.zhiyou.sm.dao;
 2 /**
 3  * @author 司徒魏源
 4  */
 5 import java.util.List;
 6 import com.zhiyou.sm.entity.User;
 7 public interface UserDao {
 8     //增删改查的方法
 9     /**
10      * 根据查询条件查询所有用户信息
11      * @param name
12      * @return
13      */
14     public List<User>  getAll(String name);    
15     /**
16      * 根据用户编号获得用户
17      * @param id
18      * @return
19      */
20     public User findUserByUserid(int id);    
21     /**
22      * 添加一个用户
23      * @param user
24      * @return
25      */
26     public boolean add(User user);    
27     /**
28      * 更新用户信息
29      * @param user
30      * @return
31      */
32     public boolean update(User user);
33     /**
34      * 根据主键删除用户
35      * @param id
36      * @return
37      */
38     public boolean delete(int id);
39 }

UserDao接口

  1 package com.zhiyou.sm.dao;
  2 import java.sql.Connection;
  3 import java.sql.DriverManager;
  4 import java.sql.PreparedStatement;
  5 import java.sql.ResultSet;
  6 import java.sql.SQLException;
  7 import javax.naming.Context;
  8 import javax.naming.InitialContext;
  9 import javax.naming.NamingException;
 10 import javax.sql.DataSource;
 11 import com.zhiyou.sm.util.ConfigManager;
 12 //ctrl + shift +o
 13 /**
 14 * 数据库的基类
 15 * @author 司徒魏源
 16 */
 17 public class BaseDao {
 18      //建立连接  
 19   protected Connection conn=null;  
 20   //操作SQL的对象  
 21   protected PreparedStatement ps=null;  
 22   //结果集  
 23   protected ResultSet rs=null;  
 24   protected int count=0;
 25   //利用数据源获得连接对象
 26   public Connection getConnection2(){
 27     try {
 28         //初始化上下文
 29           Context cxt=new InitialContext();
 30           //获取与逻辑名相关联的数据源对象
 31           DataSource ds;
 32         ds = (DataSource)cxt.lookup("java:comp/env/jdbc/oracle");
 33         conn=ds.getConnection();
 34     } catch (NamingException e) {
 35         // TODO Auto-generated catch block
 36         e.printStackTrace();
 37     } catch (SQLException e) {
 38         // TODO Auto-generated catch block
 39         e.printStackTrace();
 40     }  
 41       return conn;
 42   }
 43   /* 
 44    * 获取连接 
 45    */  
 46   public Connection getConnection(){  
 47       /*String url="jdbc:oracle:thin:@localhost:1521:orcl";  
 48       String username="scott";  
 49       String password="tiger";  */
 50       String driver=ConfigManager.getInstance().getString("driver_class");
 51       String url=ConfigManager.getInstance().getString("url");
 52       String name=ConfigManager.getInstance().getString("username");
 53       String pwd=ConfigManager.getInstance().getString("");      
 54       try {  
 55           //加载驱动  
 56           Class.forName(driver);  
 57           //建立连接  
 58           conn=DriverManager.getConnection(url,name,pwd);            
 59       } catch (ClassNotFoundException e) {              
 60           e.printStackTrace();  
 61       } catch (SQLException e) {  
 62           e.printStackTrace();  
 63       }  
 64       //返回连接  
 65       return conn;  
 66   }  
 67   /* 
 68    * 查询 
 69    * sql--SQL语句 
 70    * params参数列表 
 71    */  
 72   public ResultSet executeQuery(String sql,Object [] params){  
 73       //获取连接  
 74       this.conn=getConnection();  
 75      // this.conn=getConnection2();  
 76       try {  
 77           //获取PreparedStatement对象，通过连接对象获取  
 78           ps=conn.prepareStatement(sql);  
 79           //判断参数列表是否为空  
 80           if(params!=null){  
 81               for (int i = 0; i < params.length; i++) {  
 82                   //设置占位符  
 83                   ps.setObject(i+1, params[i]);  
 84               }  
 85           }  
 86           //执行查询并返回结果集  
 87           rs=ps.executeQuery();  
 88       } catch (SQLException e) {  
 89           e.printStackTrace();  
 90       }  
 91       //返回结果集  
 92       return rs;  
 93   }     
 94   /* 
 95    * 增加删除改 
 96    */  
 97   public int executeUpdate(String sql,Object[] params){  
 98       //影响行数  
 99       int updateNum=0;  
100       //获取连接  
101       this.conn=getConnection();  
102      // this.conn=getConnection2();        
103       try {  
104           //获取PreparedStatement对象，通过conn  
105           ps=conn.prepareStatement(sql);  
106           //判断参数列表是否为空  
107           if(params!=null){  
108               //设置占位符  
109               for (int i = 0; i < params.length; i++) {  
110                   ps.setObject(i+1, params[i]);  
111               }                
112           }  
113           //执行，增，删除，修改  
114           count=ps.executeUpdate();  
115       } catch (SQLException e) {  
116           e.printStackTrace();  
117       }finally{  
118           //关闭连接  
119           closeConnection();  
120       }  
121       //返回影响行数              
122       return count;  
123   }    
124   /* 
125    * 关闭连接 
126    */  
127   public void closeConnection(){  
128       try {  
129           if(rs!=null)  
130           rs.close();  
131       } catch (SQLException e) {  
132           e.printStackTrace();  
133       }  
134       try {  
135           if(ps!=null)  
136           ps.close();  
137       } catch (SQLException e) {  
138           e.printStackTrace();  
139       }  
140       try {  
141           if(conn!=null)  
142           conn.close();  
143       } catch (SQLException e) {  
144           e.printStackTrace();  
145       }  
146   }  
147 }

BaseDao 数据库的基类

dao层impl

  1 package com.zhiyou.sm.dao.impl;
  2 /**
  3  * @author 司徒魏源
  4  */
  5 import java.sql.SQLException;
  6 import java.util.ArrayList;
  7 import java.util.Date;
  8 import java.util.List;
  9 import com.zhiyou.sm.dao.BaseDao;
 10 import com.zhiyou.sm.dao.BillDao;
 11 import com.zhiyou.sm.entity.Bill;
 12 public class BillDaoImpl extends BaseDao implements BillDao{
 13     @Override
 14     public List<Bill> getAll(String name, int ispay) {    
 15         List<Bill> list = new ArrayList<Bill>();    
 16         List<Object> paramsList = new ArrayList<Object>();
 17         StringBuffer buffer = new StringBuffer(" select * from bill b where 1=1 ");    
 18         String sql = buffer.toString();
 19         Object[] params = new Object[paramsList.size()];
 20         for (int i = 0; i < paramsList.size(); i++) {
 21             params[i] = paramsList.get(i);
 22         }
 23         executeQuery(sql, params);
 24         try {
 25             while(rs.next()){
 26                  int id = rs.getInt(1);
 27                  String product_name=rs.getString(2);
 28                  String product_desc=rs.getString(3);
 29                  Date billTime=rs.getDate(4);
 30                  int isPay=rs.getInt(5);
 31                  int department=rs.getInt(6);
 32                  int provider_id=rs.getInt(7);
 33                  String billMoney=rs.getString(8);
 34                  int counts=rs.getInt(9);
 35                  String unit=rs.getString(10);
 36                  String provider_name=rs.getString(11);
 37                  Bill bill = new Bill(id, product_name, product_desc, billTime, isPay, department, provider_id, billMoney, counts, unit, provider_name);
 38                  list.add(bill);
 39             }
 40         } catch (SQLException e) {
 41             e.printStackTrace();
 42         }
 43         return list;
 44     }
 45     public static void main(String[] args) {
 46         BillDaoImpl b = new BillDaoImpl();
 47         List<Bill> list = b.getAll("", 0);
 48         System.out.println(list);
 49     }
 50     @Override
 51     public Bill getBillById(int id) {        
 52         Bill bill = null;
 53         String sql="select * from bill where id = ?";
 54         Object[] params={id};
 55         executeQuery(sql, params);
 56         try {
 57             while(rs.next()){
 58                  String product_name=rs.getString(2);
 59                  String product_desc=rs.getString(3);
 60                  Date billTime=rs.getDate(4);
 61                  int isPay=rs.getInt(5);
 62                  int department=rs.getInt(6);
 63                  int provider_id=rs.getInt(7);
 64                  String billMoney=rs.getString(8);
 65                  int counts=rs.getInt(9);
 66                  String unit=rs.getString(10);
 67                  String provider_name=rs.getString(11);
 68                  bill = new Bill(id, product_name, product_desc, billTime, isPay, department, provider_id, billMoney, counts, unit, provider_name);
 69             }
 70         } catch (SQLException e) {
 71             e.printStackTrace();
 72         }
 73         return bill;
 74     }    
 75     @Override
 76     public boolean add(Bill bill) {
 77         
 78         String sql="insert into bill (id,product_name,product_desc,bill_time,ispay,department,provider_Id,bill_money,counts,unit,provider_name) values(?,?,?,?,?,?,?,?,?,?,?)";
 79         Object[] params={bill.getId(),bill.getProduct_name(),bill.getProduct_desc(),new java.sql.Date(bill.getBillTime().getTime()),bill.getIsPay(),bill.getDepartment(),bill.getProvider_id(),bill.getBillMoney(),bill.getCounts(),bill.getUnit(),bill.getProvider_name()};
 80         executeUpdate(sql, params);
 81         if(count>0){
 82             return true;
 83         }
 84         return false;
 85     }
 86     @Override
 87     public boolean update(Bill bill) {        
 88         String sql="update bill set product_name=?,product_desc=?,bill_time=?,ispay=?,department=?,provider_id=?,bill_money=?,counts=?,unit=?,provider_name=? where id=?";
 89         Object[] params={bill.getProduct_name(),bill.getProduct_desc(),bill.getBillTime(),bill.getIsPay(),bill.getDepartment(),bill.getProvider_id(),bill.getBillMoney(),bill.getCounts(),bill.getUnit(),bill.getProvider_name(),bill.getId()};
 90         executeUpdate(sql, params);
 91         if(count>0){
 92             return true;
 93         }
 94         return false;
 95     }
 96     @Override
 97     public boolean delete(int id) {        
 98         String sql="delete from bill where id=?";
 99         Object[] params={id};
100         executeUpdate(sql, params);
101         if(count>0){
102             return true;
103         }
104         return false;
105     }
106 }

BillDaoImpl

  1 package com.zhiyou.sm.dao.impl;
  2 /**
  3  * @author 司徒魏源
  4  */
  5 import java.sql.SQLException;
  6 import java.util.ArrayList;
  7 import java.util.List;
  8 import com.zhiyou.sm.dao.BaseDao;
  9 import com.zhiyou.sm.dao.ProviderDao;
 10 import com.zhiyou.sm.entity.Provider;
 11 public class ProviderDaoImpl extends BaseDao implements ProviderDao {
 12     @Override
 13     public List<Provider> getAllByParams(int pageIndex, String proName, String proDesc) {        
 14         //创建存放供应商的集合
 15         List<Provider> list=new ArrayList<Provider>();
 16         //存放参数的集合
 17         List<Object> paramsList = new ArrayList<Object>();
 18         //拼接字符串,StringBuffer,拼接sql语句
 19         StringBuffer buffer=new StringBuffer("select * from provider where 1=1 ");
 20         if(proName!=null&&!"".equals(proName)){
 21             //动态拼接sql语句
 22             buffer.append(" and pro_name like ? ");
 23             //添加参数
 24             paramsList.add("%"+proName+"%");
 25         }
 26         if(proDesc!=null&&!"".equals(proDesc)){
 27             buffer.append(" and pro_desc like ? ");
 28             paramsList.add("%"+proDesc+"%");
 29         }
 30         buffer.append(" limit ?,? ");
 31         //每页显示的个数
 32         int pageSize=3;
 33         //开始记录数startRow
 34         int startRow=(pageIndex-1)*pageSize;
 35         //添加参数
 36         paramsList.add(startRow);
 37         paramsList.add(pageSize);    
 38         String sql=buffer.toString();
 39         Object[] params=new Object[paramsList.size()];
 40         //循环集合中的数据,赋值给数组元素
 41         for (int i=0;i<paramsList.size();i++) {
 42             params[i]=paramsList.get(i);
 43         }
 44         executeQuery(sql, params);
 45         try {
 46             while(rs.next()){
 47                 int proId=rs.getInt(1);
 48                 String proname = rs.getString(2);// 姓名
 49                 String proContact = rs.getString(3);// 联系人
 50                 String prodesc = rs.getString(4);// 描述
 51                 String proPhone = rs.getString(5);// 电话
 52                 String proAdress = rs.getString(6);// 地址
 53                 String proFax = rs.getString(7);// 传真
 54                 //创建供应商对象
 55                 Provider pro=new Provider(proId, proname, proContact, prodesc, proPhone, proAdress, proFax);
 56                 //把供应商对象添加到集合
 57                 list.add(pro);
 58             }
 59         } catch (SQLException e) {
 60             // TODO Auto-generated catch block
 61             e.printStackTrace();
 62         }finally{
 63             //关闭资源
 64             closeConnection();
 65         }
 66         return list;
 67     }
 68     @Override
 69     public Provider getProByProId(int proId) {
 70         Provider pro = null;
 71         String sql = "select * from provider where id=?";
 72         Object[] params = { proId };
 73         executeQuery(sql, params);
 74         try {
 75             while (rs.next()) {
 76                 String proName = rs.getString(2);// 姓名
 77                 String proContact = rs.getString(3);// 联系人
 78                 String proDesc = rs.getString(4);// 描述
 79                 String proPhone = rs.getString(5);// 电话
 80                 String proAdress = rs.getString(6);// 地址
 81                 String proFax = rs.getString(7);// 传真
 82                 pro = new Provider(proId, proName, proContact, proDesc,
 83                         proPhone, proAdress, proFax);
 84             }
 85         } catch (SQLException e) {
 86             // TODO Auto-generated catch block
 87             e.printStackTrace();
 88         }
 89         return pro;
 90     }
 91     @Override 
 92     public boolean add(Provider provider) {
 93         String sql = "insert into provider (pro_name,pro_contact,pro_desc,pro_phone,pro_address,pro_fax) values(?,?,?,?,?,?)";
 94         Object[] params = { provider.getProName(), provider.getProContact(),
 95                 provider.getProDesc(), provider.getProPhone(),
 96                 provider.getProAdress(), provider.getProFax() };
 97         executeUpdate(sql, params);
 98         if (count > 0)
 99             return true;
100         return false;
101     }
102     @Override
103     public boolean update(Provider provider) {
104         String sql = "update provider set pro_name=?,pro_contact=?,pro_desc=?,pro_phone=?,pro_address=?,pro_fax=? where id=?";
105         Object[] params = { provider.getProName(), provider.getProContact(),
106                 provider.getProDesc(), provider.getProPhone(),
107                 provider.getProAdress(), provider.getProFax(),
108                 provider.getProId() };
109         executeUpdate(sql, params);
110         if (count > 0)
111             return true;
112         return false;
113     }
114     @Override
115     public boolean delete(int proId) {
116         String sql = "delete from provider where id=?";
117         Object[] params = { proId };
118         executeUpdate(sql, params);
119         if (count > 0)
120             return true;
121         return false;
122     }
123     @Override
124     public int getTotalCount(String proName, String proDesc) {
125         //存放总记录数的变量
126         int totalCount=0;
127         //存放参数的集合
128                 List<Object> paramsList = new ArrayList<Object>();
129         //拼接字符串,StringBuffer,拼接sql语句
130                 StringBuffer buffer=new StringBuffer("select count(*) from provider where 1=1 ");
131                 if(proName!=null&&!"".equals(proName)){
132                     //动态拼接sql语句
133                     buffer.append(" and pro_name like ? ");
134                     //添加参数
135                     paramsList.add("%"+proName+"%");
136                 }
137                 if(proDesc!=null&&!"".equals(proDesc)){
138                     buffer.append(" and pro_desc like ? ");
139                     paramsList.add("%"+proDesc+"%");
140                 }
141 
142                 String sql=buffer.toString();
143                 Object[] params=new Object[paramsList.size()];
144                 //循环集合中的数据,赋值给数组元素
145                 for (int i=0;i<paramsList.size();i++) {
146                     params[i]=paramsList.get(i);
147                 }
148                 executeQuery(sql, params);
149                 try {
150                     while(rs.next()){
151                         totalCount=rs.getInt(1);    
152                     }
153                 } catch (SQLException e) {
154                     // TODO Auto-generated catch block
155                     e.printStackTrace();
156                 }finally{
157                     //关闭资源
158                     closeConnection();
159                 }
160         return totalCount;
161     }
162 }

ProviderDaoImpl

 1 package com.zhiyou.sm.dao.impl;
 2 /**
 3  * @author 司徒魏源
 4  */
 5 import java.sql.SQLException;
 6 import java.util.ArrayList;
 7 import java.util.List;
 8 import com.zhiyou.sm.dao.BaseDao;
 9 import com.zhiyou.sm.dao.UserDao;
10 import com.zhiyou.sm.entity.User;
11 public class UserDaoImpl extends BaseDao implements UserDao {
12     @Override
13     public List<User> getAll(String name) {
14         List<User> list = new ArrayList<User>();
15         String sql="";
16         Object[] params =null;
17         if(name==null||"".equals(name)){
18             sql="select * from market_user";
19             params=new Object[]{};
20         }else{
21           sql = "select * from market_user where username like ? ";
22           params =new Object[] {"%"+name+"%"};
23         }
24         executeQuery(sql, params);
25         try {
26             while (rs.next()) {
27                 int id = rs.getInt(1);
28                 String username = rs.getString(2);
29                 String password = rs.getString(3);
30                 int sex = rs.getInt(4);
31                 int age = rs.getInt(5);
32                 String mobile = rs.getString(6);
33                 String address = rs.getString(7);
34                 int common = rs.getInt(8);// 普通用户
35                 int superno = rs.getInt(9);// 管理员
36                 User user = new User(id, username, password, sex, age, mobile,
37                         address, common, superno);
38                 list.add(user);
39             }
40         } catch (SQLException e) {
41             // TODO Auto-generated catch block
42             e.printStackTrace();
43         }
44         return list;
45     }
46     @Override
47     public User findUserByUserid(int id) {
48         User user = null;
49         String sql = "select * from market_user where id=?";
50         Object[] params = { id };
51         executeQuery(sql, params);
52         try {
53             while (rs.next()) {
54                 String username = rs.getString(2);
55                 String password = rs.getString(3);
56                 int sex = rs.getInt(4);
57                 int age = rs.getInt(5);
58                 String mobile = rs.getString(6);
59                 String address = rs.getString(7);
60                 int common = rs.getInt(8);// 普通用户
61                 int superno = rs.getInt(9);// 管理员
62                 user = new User(id, username, password, sex, age, mobile,
63                         address, common, superno);
64             }
65         } catch (SQLException e) {
66             // TODO Auto-generated catch block
67             e.printStackTrace();
68         }
69         return user;
70     }
71     @Override
72     public boolean add(User user) {
73         String sql="INSERT INTO market_user (USERNAME,PASSWORD,sex,age,MOBILE,ADDRESS,common,SUPER) VALUES (?,?,?,?,?,?,?,?)";
74         Object[] params={user.getUsername(),user.getPassword(),user.getSex(),user.getAge(),user.getMobile(),user.getAddress(),user.getCommon(),user.getSuperno()};
75         executeUpdate(sql, params);
76         if(count>0)
77             return true;
78         return false;
79     }
80     @Override
81     public boolean update(User user) {
82         String sql="UPDATE market_user SET USERNAME=?,sex=?,age=?,MOBILE=?,ADDRESS=?,common=?,SUPER=? WHERE id=?";
83         Object[] params={user.getUsername(),user.getSex(),user.getAge(),user.getMobile(),user.getAddress(),user.getCommon(),user.getSuperno(),user.getId()};
84         executeUpdate(sql, params);
85         if(count>0)
86             return true;
87         return false;
88     }
89     @Override
90     public boolean delete(int id) {
91         String sql="DELETE FROM market_user WHERE id=?";
92         Object[] params={id};
93         executeUpdate(sql, params);
94         if(count>0)
95             return true;
96         return false;
97     }
98 }

UserDaoImpl

filtre层

 1 package com.zhiyou.sm.filtre;
 2 /**
 3  * @author 司徒魏源
 4  */
 5 import java.io.IOException;
 6 import javax.servlet.Filter;
 7 import javax.servlet.FilterChain;
 8 import javax.servlet.FilterConfig;
 9 import javax.servlet.ServletException;
10 import javax.servlet.ServletRequest;
11 import javax.servlet.ServletResponse;
12 import javax.servlet.annotation.WebFilter;
13 import javax.servlet.annotation.WebInitParam;
14 @WebFilter(urlPatterns = "/*",initParams={@WebInitParam(name="code",value="utf-8")})
15 public class CharSet implements Filter {
16     String myCode=null;
17     @Override
18     public void destroy() {
19         // TODO Auto-generated method stub
20     }
21     @Override
22     public void doFilter(ServletRequest req, ServletResponse resp,
23             FilterChain chain) throws IOException, ServletException {
24         //设置post提交,解决字符编码
25         req.setCharacterEncoding(myCode);
26         //设置响应的字符编码集
27         resp.setCharacterEncoding(myCode);
28         //web资源继续想下执行
29         chain.doFilter(req, resp);
30     }
31     @Override
32     public void init(FilterConfig arg0) throws ServletException {
33         myCode=arg0.getInitParameter("code");
34     }
35 }

CharSet

service层

 1 package com.zhiyou.sm.service;
 2 /**
 3  * @author 司徒魏源
 4  */
 5 import java.util.List;
 6 import com.zhiyou.sm.entity.Bill;
 7 public interface BillService {    
 8     /**
 9      * 获得所有
10      * @param object
11      * @return
12      */
13      public List<Bill> getAll(String name,int ispay);
14     /**
15      * 通过编号获得一条记录
16      * @param id
17      * @return
18      */
19     public Bill getBillById(int id);    
20     /**
21      * 添加
22      * @param bill
23      * @return
24      */
25     public boolean add(Bill bill);    
26     /**
27      * 更新
28      * @param bill
29      * @return
30      */
31     public boolean update(Bill bill);
32     /**
33      * 删除
34      * @param id
35      * @return
36      */
37     public boolean delete(int id);
38 }

BillService接口

 1 package com.zhiyou.sm.service;
 2 /**
 3  * @author 司徒魏源
 4  */
 5 import java.util.List;
 6 import com.zhiyou.sm.entity.Provider;
 7 public interface ProviderService {
 8     /**
 9      * 获得总页数
10      * @param proName
11      * @param proDesc
12      * @return
13      */
14     public int getTotalpage(String proName,String proDesc);
15     /**
16      * 根据条件进行模糊查询
17      * @param pageIndex,代表当前页
18      * @param proName
19      * @param proDesc
20      * @return
21      */
22     public List<Provider> getAllByParams(int pageIndex,String proName,String proDesc);
23     /**
24      * 根据供应商编号获得一个对象
25      * @param proId
26      * @return
27      */
28     public Provider getProByProId(int proId);
29     /**
30      * 添加操作
31      * @param provide
32      * @return
33      */
34     public boolean add(Provider provider);
35     /**
36      * 更新操作
37      * @param provide
38      * @return
39      */
40     public boolean update(Provider provider);
41     /**
42      * 根据编号删除
43      * @param proId
44      * @return
45      */
46     public boolean delete(int proId);
47 }

ProviderService接口

 1 package com.zhiyou.sm.service;
 2 /**
 3  * @author 司徒魏源
 4  */
 5 import java.util.List;
 6 import java.util.Map;
 7 import com.zhiyou.sm.entity.User;
 8 public interface UserService {
 9     /**
10      * 根据查询条件查询所有用户信息
11      * @param name
12      * @return
13      */
14     public List<User>  getAll(String name);    
15     /**
16      * 根据用户编号获得用户
17      * @param id
18      * @return
19      */
20     public User findUserByUserid(int id);    
21     /**
22      * 添加一个用户
23      * @param user
24      * @return
25      */
26     public boolean add(User user);
27     /**
28      * 更新用户信息
29      * @param user
30      * @return
31      */
32     public boolean update(User user);
33     /**
34      * 根据主键删除用户
35      * @param id
36      * @return
37      */
38     public boolean delete(int id);
39     /**
40      * 验证登录操作
41      * @param id
42      * @param pwd
43      * @return
44      */
45     public Map<String,Object> login(int id, String pwd);
46 }

UserService接口

service层impl

 1 package com.zhiyou.sm.service.impl;
 2 /**
 3  * @author 司徒魏源
 4  */
 5 import java.util.List;
 6 import com.zhiyou.sm.dao.BillDao;
 7 import com.zhiyou.sm.dao.impl.BillDaoImpl;
 8 import com.zhiyou.sm.entity.Bill;
 9 import com.zhiyou.sm.service.BillService;
10 public class BillServiceImpl implements BillService {
11     //创建dao层对象
12     BillDao bd= new BillDaoImpl();
13     @Override
14     public List<Bill> getAll(String name, int ispay) {
15         // TODO Auto-generated method stub
16         return bd.getAll(name, ispay);
17     }
18     @Override
19     public Bill getBillById(int id) {
20         // TODO Auto-generated method stub
21         return bd.getBillById(id);
22     }
23     @Override
24     public boolean add(Bill bill) {
25         // TODO Auto-generated method stub
26         return bd.add(bill);
27     }
28     @Override
29     public boolean update(Bill bill) {
30         // TODO Auto-generated method stub
31         return bd.update(bill);
32     }
33     @Override
34     public boolean delete(int id) {
35         // TODO Auto-generated method stub
36         return bd.delete(id);
37     }
38 }

BillServiceImpl

 1 package com.zhiyou.sm.service.impl;
 2 /**
 3  * @author 司徒魏源
 4  */
 5 import java.util.List;
 6 import com.zhiyou.sm.dao.ProviderDao;
 7 import com.zhiyou.sm.dao.impl.ProviderDaoImpl;
 8 import com.zhiyou.sm.entity.Provider;
 9 import com.zhiyou.sm.service.ProviderService;
10 public class ProviderServiceImpl implements ProviderService {
11     //创建dao层对象
12     ProviderDao dao=new ProviderDaoImpl();
13     @Override
14     public int getTotalpage(String proName, String proDesc) {
15         // 首先获得总记录数
16         int totalCount=dao.getTotalCount(proName, proDesc);
17         //总记录数%每页显示的个数==0?总记录数/每页显示的个数:总记录数/每页显示的个数+1
18         // 16  %  4      ==0?      4         :        5
19         return totalCount%3==0?totalCount/3:totalCount/3+1;
20     }
21     @Override
22     public List<Provider> getAllByParams(int pageIndex, String proName,
23             String proDesc) {
24         // TODO Auto-generated method stub
25         return dao.getAllByParams(pageIndex, proName, proDesc);
26     }
27     @Override
28     public Provider getProByProId(int proId) {
29         // TODO Auto-generated method stub
30         return dao.getProByProId(proId);
31     }
32     @Override
33     public boolean add(Provider provider) {
34         // TODO Auto-generated method stub
35         return dao.add(provider);
36     }
37     @Override
38     public boolean update(Provider provider) {
39         // TODO Auto-generated method stub
40         return dao.update(provider);
41     }
42     @Override
43     public boolean delete(int proId) {
44         // TODO Auto-generated method stub
45         return dao.delete(proId);
46     }
47 }

ProviderServiceImpl

 1 package com.zhiyou.sm.service.impl;
 2 /**
 3  * @author 司徒魏源
 4  */
 5 import java.util.HashMap;
 6 import java.util.List;
 7 import java.util.Map;
 8 import com.zhiyou.sm.dao.UserDao;
 9 import com.zhiyou.sm.dao.impl.UserDaoImpl;
10 import com.zhiyou.sm.entity.User;
11 import com.zhiyou.sm.service.UserService;
12 import com.zhiyou.sm.util.Base64;
13 public class UserServiceImpl implements UserService {
14 UserDao dao=new UserDaoImpl();
15     @Override
16     public List<User> getAll(String name) {
17         // TODO Auto-generated method stub
18         return dao.getAll(name);
19     }
20     @Override
21     public User findUserByUserid(int id) {
22         // TODO Auto-generated method stub
23         return dao.findUserByUserid(id);
24     }
25     @Override
26     public boolean add(User user) {
27         // TODO Auto-generated method stub
28         return dao.add(user);
29     }
30     @Override
31     public boolean update(User user) {
32         // TODO Auto-generated method stub
33         return dao.update(user);
34     }
35     @Override
36     public boolean delete(int id) {
37         // TODO Auto-generated method stub
38         return dao.delete(id);
39     }
40     @Override
41     public Map<String, Object> login(int id, String pwd) {
42         Map<String, Object> map = new HashMap<String, Object>();
43         User user = dao.findUserByUserid(id);
44         if (user == null) {
45             // 用户名不存在
46             map.put("isLogin", false);
47             map.put("errMess", "员工编号错误");
48         } else {
49             String encode=user.getPassword();
50             //传入加密的密码,进行解密
51             String decode=Base64.decode(encode);
52             // 名称存在,要验证密码
53             if (decode.equals(pwd)) {
54                 // 登录成功
55                 map.put("isLogin", true);
56                 map.put("user", user);
57             } else {
58                 // 密码错误
59                 map.put("isLogin", false);
60                 map.put("errMess", "密码错误");
61             }
62         }
63     return map;
64     }
65 }

UserServiceImpl

工具包

 1 package com.zhiyou.sm.util;
 2 /**
 3  * @author 司徒魏源
 4  */
 5 import java.io.IOException;
 6 import java.io.UnsupportedEncodingException;
 7 import sun.misc.BASE64Decoder;
 8 import sun.misc.BASE64Encoder;
 9 public class Base64 {
10     /**
11      * 加密的过程
12      * 
13      * @param str
14      * @return
15      */
16     public static String encode(String str) {
17         BASE64Encoder base = new BASE64Encoder();
18         try {
19             str = base.encode(str.getBytes("utf-8"));
20         } catch (UnsupportedEncodingException e) {
21             // TODO Auto-generated catch block
22             e.printStackTrace();
23         }
24         return str;
25     }
26     /**
27      * 加密的过程
28      * 
29      * @param str
30      * @return
31      */
32     public static String decode(String str) {
33         BASE64Decoder bd = new BASE64Decoder();
34         byte[] b;
35         String result=null;
36         try {
37             b = bd.decodeBuffer(str);
38             result = new String(b, "utf-8");
39         } catch (IOException e) {
40             // TODO Auto-generated catch block
41             e.printStackTrace();
42         }
43         return result;
44     }
45 }

Base64加密

 1 package com.zhiyou.sm.util;
 2 /**
 3  * @author 司徒魏源
 4  */
 5 import java.io.IOException;
 6 import java.io.InputStream;
 7 import java.util.Properties;
 8 public class ConfigManager {
 9      //读取配置文件properties.load(inputstream);  
10     private static ConfigManager configManager;  
11     private static Properties properties;  
12     private ConfigManager(){  
13         String configFile="db.properties";  
14         properties = new Properties();  
15         InputStream is = ConfigManager.class.getClassLoader().getResourceAsStream(configFile);  
16         try {  
17             properties.load(is);  
18             is.close();  
19         } catch (IOException e) {  
20             // TODO Auto-generated catch block  
21             e.printStackTrace();  
22         }  
23     }      
24     public static ConfigManager getInstance(){  
25         if(configManager==null){  
26             configManager = new ConfigManager();  
27         }  
28         return configManager ;  
29     }     
30     //取得key对应的value�? 
31     public String getString(String key){  
32         return properties.getProperty(key);  
33     }  
34 }

ConfigManager

db.properties配置

driver_class= com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/market
username=root
password=

-----------------分割线--------------

action层

 1 package com.zhiyou.sm.action;
 2 /**
 3  * @author 司徒魏源
 4  */
 5 import java.io.IOException;
 6 import java.util.Date;
 7 import java.util.List;
 8 import javax.servlet.ServletException;
 9 import javax.servlet.annotation.WebServlet;
10 import javax.servlet.http.HttpServlet;
11 import javax.servlet.http.HttpServletRequest;
12 import javax.servlet.http.HttpServletResponse;
13 import com.zhiyou.sm.entity.Bill;
14 import com.zhiyou.sm.service.BillService;
15 import com.zhiyou.sm.service.impl.BillServiceImpl;
16 @WebServlet(urlPatterns = "/bill.do")
17 public class BillServlet extends HttpServlet {
18     BillService bs = new BillServiceImpl();
19     protected void doGet(HttpServletRequest request,
20             HttpServletResponse response) throws ServletException, IOException {
21         doPost(request, response);
22     }
23     protected void doPost(HttpServletRequest request,
24             HttpServletResponse response) throws ServletException, IOException {
25         String flag = request.getParameter("flag1");
26         if ("doAdd".equals(flag)) {
27             doAdd1(request, response);
28         } else if ("update".equals(flag)) {
29             doUpdate1(request, response);
30         } else if ("delete".equals(flag)) {
31             doDelete1(request, response);
32         }
33         String name = request.getParameter("productName");
34         String status = request.getParameter("payStatus");
35         List<Bill> bills = bs.getAll(name, 1);
36         request.setAttribute("blist", bills);
37         request.getRequestDispatcher("admin_bill_list.jsp").forward(request,
38                 response);
39     }
40     protected void doAdd1(HttpServletRequest request,
41             HttpServletResponse response) throws ServletException, IOException {
42         String money = request.getParameter("money");
43         String unit = request.getParameter("unit");
44         String countsStr = request.getParameter("counts");
45         int counts = Integer.valueOf(countsStr);
46         String product_name = request.getParameter("product_name");
47         String desc = request.getParameter("desc");
48         String viderId = request.getParameter("provider_id");
49         int vid = Integer.valueOf(viderId);
50         String ispayStr = request.getParameter("ispay");
51         int isPay = Integer.valueOf(ispayStr);
52         Bill bill = new Bill(0, product_name, desc, new Date(), isPay, 1, vid,
53                 money, 1, unit, "haha");
54         boolean isAdd = bs.add(bill);
55         if (!isAdd) {
56             request.setAttribute("errMess", "添加失败");
57         }
58     }
59     protected void doUpdate1(HttpServletRequest request,
60             HttpServletResponse response) throws ServletException, IOException {
61         String idStr=request.getParameter("billNum");
62         int id=Integer.valueOf(idStr);
63         String money = request.getParameter("money");
64         String unit = request.getParameter("unit");
65         String countsStr = request.getParameter("counts");
66         int counts = Integer.valueOf(countsStr);
67         String product_name = request.getParameter("product_name");
68         String desc = request.getParameter("desc");
69         String viderId = request.getParameter("provider_id");
70         int vid = Integer.valueOf(viderId);
71         String ispayStr = request.getParameter("ispay");
72         int isPay = Integer.valueOf(ispayStr);        
73         Bill bill = bs.getBillById(id);
74         bill.setBillMoney(money);
75         bill.setUnit(unit);
76         bill.setCounts(counts);
77         bill.setProduct_name(product_name);
78         bill.setProduct_desc(desc);
79         bill.setProvider_id(vid);
80         bill.setIsPay(isPay);
81         boolean isUpdate = bs.update(bill);
82         if (!isUpdate) {
83             request.setAttribute("errMess", "更新错误");
84         }
85     }
86     protected void doDelete1(HttpServletRequest request,
87             HttpServletResponse response) throws ServletException, IOException {
88         String idStr = request.getParameter("pid");
89         int id = Integer.parseInt(idStr);
90         boolean isDel = bs.delete(id);
91         if (!isDel) {
92             request.setAttribute("errMess", "删除失败");
93         }
94     }
95 }

BillServlet

 1 package com.zhiyou.sm.action;
 2 /**
 3  * @author 司徒魏源
 4  */
 5 import java.io.IOException;
 6 import java.util.Map;
 7 import javax.servlet.ServletException;
 8 import javax.servlet.annotation.WebServlet;
 9 import javax.servlet.http.HttpServlet;
10 import javax.servlet.http.HttpServletRequest;
11 import javax.servlet.http.HttpServletResponse;
12 import com.zhiyou.sm.service.UserService;
13 import com.zhiyou.sm.service.impl.UserServiceImpl;
14 @WebServlet(urlPatterns = "/login.do")
15 public class LoginServlet extends HttpServlet {
16     // 创建service层对象
17     private UserService us = new UserServiceImpl();
18     @Override
19     protected void doGet(HttpServletRequest req, HttpServletResponse resp)
20             throws ServletException, IOException {
21         doPost(req, resp);
22     }
23     @Override
24     protected void doPost(HttpServletRequest req, HttpServletResponse resp)
25             throws ServletException, IOException {
26         // 中文乱码用过滤器
27         // 获得用户编号和密码
28         String idStr = req.getParameter("uid");
29         String pwd = req.getParameter("password");
30         // 获得验证码
31         String ver = req.getParameter("ver");
32         // 获得生成存在session中的验证码
33         String code = (String) req.getSession().getAttribute("rCode");
34         if (!code.equals(ver)) {
35             // 验证码错误
36             req.setAttribute("errMess", "验证码错误,请重新输入");
37             //转发回登录页面
38             req.getRequestDispatcher("login.jsp").forward(req, resp);
39         } else {
40             // 验证码正确,接着验证用户名和密码
41             int id = Integer.parseInt(idStr);
42             Map<String, Object> map = us.login(id, pwd);
43             boolean isLogin = (Boolean) map.get("isLogin");
44             if (isLogin) {
45                 // 登录成功
46                 // 把登录的用户对象放入到session
47                 req.getSession().setAttribute("user1", map.get("user"));
48                 resp.sendRedirect("admin_index.jsp");
49             } else {
50                 // 登录失败
51                 String err = (String) map.get("errMess");
52                 // 重定向到登陆界面
53                 req.setAttribute("errMess", err);
54                 req.getRequestDispatcher("login.jsp").forward(req, resp);
55             }
56         }
57     }
58 }

LoginServlet

  1 package com.zhiyou.sm.action;
  2 /**
  3  * @author 司徒魏源
  4  */
  5 import java.io.IOException;
  6 import java.util.List;
  7 import javax.servlet.ServletException;
  8 import javax.servlet.annotation.WebServlet;
  9 import javax.servlet.http.HttpServlet;
 10 import javax.servlet.http.HttpServletRequest;
 11 import javax.servlet.http.HttpServletResponse;
 12 import com.zhiyou.sm.entity.Provider;
 13 import com.zhiyou.sm.service.ProviderService;
 14 import com.zhiyou.sm.service.impl.ProviderServiceImpl;
 15 @WebServlet(urlPatterns="/pro.do")
 16 public class ProviderServlet extends HttpServlet {
 17 //创建业务层对象
 18     ProviderService ps=new ProviderServiceImpl();
 19     @Override
 20     protected void doGet(HttpServletRequest req, HttpServletResponse resp)
 21             throws ServletException, IOException {
 22         doPost(req, resp);
 23     }
 24     @Override
 25     protected void doPost(HttpServletRequest req, HttpServletResponse resp)
 26             throws ServletException, IOException {
 27         String flag=req.getParameter("flag1");
 28         if("doAdd".equals(flag)){
 29             doAdd(req,resp);
 30         }else if("update".equals(flag)){
 31             doUpdate(req,resp);
 32         }else if("delete".equals(flag)){
 33             dodelete(req,resp);
 34         }    
 35         //根据分页取出所有供应商的信息
 36         //得到当前页
 37         int pageIndex=1;
 38         String currentPage=req.getParameter("pageIndex");
 39         if(currentPage==null||"".equals(currentPage)){
 40             currentPage="1";//设置初始值是第一页    
 41         }
 42         pageIndex=Integer.parseInt(currentPage);
 43         String proName=req.getParameter("proName");
 44         String proDesc=req.getParameter("proDesc");
 45         //调用获得所有记录的集合
 46         List<Provider> proList = ps.getAllByParams(pageIndex, proName, proDesc);
 47         //把集合放入到作用域
 48         req.setAttribute("proList", proList);
 49         //把pageIndex放入到作用域
 50         req.setAttribute("pageIndex", pageIndex);
 51         //把取到的名称放入到作用域
 52         req.setAttribute("proName", proName);
 53         //把取到的描述放入到作用域
 54         req.setAttribute("proDesc", proDesc);
 55         //得到总页数放入到作用域
 56         int totalpage=ps.getTotalpage(proName, proDesc);
 57         req.setAttribute("totalpage", totalpage);
 58         //转发到providerAdmin.jsp页面
 59         req.getRequestDispatcher("providerAdmin.jsp").forward(req, resp);
 60     }
 61     private void dodelete(HttpServletRequest req, HttpServletResponse resp) {
 62         String idStr = req.getParameter("id");
 63         int id = Integer.parseInt(idStr);
 64         boolean isDel = ps.delete(id);
 65         if (!isDel) {
 66             req.setAttribute("errMess", "删除失败");
 67         }    
 68     }
 69     private void doUpdate(HttpServletRequest req, HttpServletResponse resp) {
 70         String proIds = req.getParameter("proId");// 编号
 71         String proName = req.getParameter("proName");// 姓名
 72         String proContact = req.getParameter("contact");// 联系人
 73         String proDesc = req.getParameter("proDesc");// 描述
 74         String proPhone = req.getParameter("phone");// 电话
 75         String proAdress = req.getParameter("address");// 地址
 76         String proFax = req.getParameter("fax");// 传真
 77         int proId = Integer.parseInt(proIds);
 78         // 通过id获得数据库中的记录
 79         Provider provider = ps.getProByProId(proId);
 80         provider.setProName(proName);
 81         provider.setProContact(proContact);
 82         provider.setProDesc(proDesc);
 83         provider.setProPhone(proPhone);
 84         provider.setProAdress(proAdress);
 85         provider.setProFax(proFax);
 86         boolean isUpdate = ps.update(provider);
 87         if (!isUpdate) {
 88             req.setAttribute("errMess", "更新失败");
 89         }
 90     }
 91     private void doAdd(HttpServletRequest req, HttpServletResponse resp) {
 92         //添加操作
 93         String proName=req.getParameter("proName");
 94         String proDesc=req.getParameter("proDesc");
 95         String proPhone=req.getParameter("proPhone");
 96         String proContact=req.getParameter("proContact");
 97         String proFax=req.getParameter("proFax");
 98         String proAddress=req.getParameter("proAddress");
 99         Provider pro=new Provider(0, proName, proContact, proDesc, proPhone, proAddress, proFax);
100         boolean isAdd=ps.add(pro);
101         if (!isAdd) {
102             req.setAttribute("errMess", "添加失败");
103         }
104     }
105 }

ProviderServlet

  1 package com.zhiyou.sm.action;
  2 /**
  3  * @author 司徒魏源
  4  */
  5 import java.io.IOException;
  6 import java.util.List;
  7 import javax.servlet.ServletException;
  8 import javax.servlet.annotation.WebServlet;
  9 import javax.servlet.http.HttpServlet;
 10 import javax.servlet.http.HttpServletRequest;
 11 import javax.servlet.http.HttpServletResponse;
 12 import com.zhiyou.sm.entity.User;
 13 import com.zhiyou.sm.service.UserService;
 14 import com.zhiyou.sm.service.impl.UserServiceImpl;
 15 import com.zhiyou.sm.util.Base64;
 16 @WebServlet(urlPatterns = "/user.do")
 17 public class UserServlet extends HttpServlet {
 18     // Service层
 19     private UserService us = new UserServiceImpl();
 20     @Override
 21     protected void doGet(HttpServletRequest req, HttpServletResponse resp)
 22             throws ServletException, IOException {
 23         //req.setCharacterEncoding("utf-8");
 24         doPost(req, resp);
 25     }
 26     @Override
 27     protected void doPost(HttpServletRequest req, HttpServletResponse resp)
 28             throws ServletException, IOException {
 29         //req.setCharacterEncoding("utf-8");
 30         // 获得 flag标记
 31         String flag = req.getParameter("flag1");
 32         //System.out.println(flag+"        哦哦哦");
 33         if ("delete".equals(flag)) {
 34             // 删除 操作
 35             doDelete(req, resp);
 36         } else if ("update".equals(flag)) {
 37             // 修改操作
 38             doUpdate(req, resp);
 39         } else if ("doAdd".equals(flag)) {
 40             // 增加操作
 41             doAdd(req, resp);
 42         }else if("doout".equals(flag)){
 43             //退出
 44             doout(req,resp);
 45             return ;
 46         }
 47         // 获得所有用户的信息列表
 48         String userName = req.getParameter("userName");
 49         List<User> list = us.getAll(userName);
 50         // 把取出来的数据放入作用域
 51         req.setAttribute("list", list);
 52         // 共享数据用转发到userAdmin.jsp
 53         req.getRequestDispatcher("userAdmin.jsp").forward(req, resp);
 54     }
 55     private void doout(HttpServletRequest req, HttpServletResponse resp) {
 56         //System.out.println("************************ssss");
 57         //移除指定的session
 58         //1.req.getSession().removeAttribute("user1");
 59         //2.让所有的session失效
 60         req.getSession().invalidate();
 61         //重定向到登录页面
 62         try {
 63             resp.sendRedirect("login.jsp");
 64         } catch (IOException e) {
 65             // TODO Auto-generated catch block
 66             e.printStackTrace();
 67         }    
 68     }
 69     private void doAdd(HttpServletRequest req, HttpServletResponse resp) {
 70         String username = req.getParameter("username");
 71         String password = req.getParameter("password");
 72         // 密码加密
 73         String newPwd = Base64.encode(password);
 74         String sexStr = req.getParameter("sex");
 75         String ageStr = req.getParameter("age");
 76         String mobile = req.getParameter("mobile");
 77         String address = req.getParameter("address");
 78         String authStr = req.getParameter("auth");
 79         int sex = Integer.parseInt(sexStr);
 80         int age = Integer.parseInt(ageStr);
 81         int auth = Integer.parseInt(authStr);
 82         User user = new User(0, username, newPwd, sex, age, mobile, address, 0,
 83                 1);
 84         if (auth == 0) {
 85             user.setCommon(2);
 86         } else if (auth == 1) {
 87             user.setSuperno(1);
 88         }
 89         boolean isAdd = us.add(user);
 90         if (!isAdd) {
 91             req.setAttribute("errMess", "添加失败");
 92         }
 93     }
 94     private void doUpdate(HttpServletRequest req, HttpServletResponse resp) {
 95         String idStr = req.getParameter("userId");
 96         String username = req.getParameter("username");
 97         String sexStr = req.getParameter("sex");
 98         String ageStr = req.getParameter("age");
 99         String mobile = req.getParameter("mobile");
100         String address = req.getParameter("address");
101         String authStr = req.getParameter("auth");
102         int id = Integer.parseInt(idStr);
103         // 通过id获得数据库中的记录
104         User user = us.findUserByUserid(id);
105         int sex = Integer.parseInt(sexStr);
106         int age = Integer.parseInt(ageStr);
107         int auth = Integer.parseInt(authStr);
108         // 给属性赋值
109         user.setUsername(username);
110         user.setSex(sex);
111         user.setAge(age);
112         if (auth == 0) {
113             user.setCommon(2);
114             user.setSuperno(0);
115         } else if (auth == 1) {
116             user.setCommon(0);
117             user.setSuperno(1);
118         }
119         user.setMobile(mobile);
120         user.setAddress(address);
121         boolean isUpdate = us.update(user);
122         if (!isUpdate) {
123             req.setAttribute("errMess", "更新失败");
124         }
125     }
126     protected void doDelete(HttpServletRequest req, HttpServletResponse resp)
127             throws ServletException, IOException {        
128         String idStr = req.getParameter("id");        
129         int id = Integer.parseInt(idStr);
130         boolean isDel = us.delete(id);
131         if (!isDel) {
132             req.setAttribute("errMess", "删除失败");
133         }
134     }
135 }

UserServlet

后台代码就这么多拉,测试过没问题前端代码我就不给了,还是要自己做做的,

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