orderlistbean.java
来自「该系统具体分为2个部分:前台和后台。 1.前台主要用于用户进行浏览和搜索」· Java 代码 · 共 83 行
JAVA
83 行
package ynuBean;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.*;
public class OrderListBean
{
private ArrayList orderList = new ArrayList();
public OrderListBean()
{
//default
}
//得到所有订购的定单
public ArrayList getOrderList(String username)
{
try
{
ConnectDataBase aConnect = new ConnectDataBase();
Connection con = aConnect.getconnection();
Statement sqlstatement = con.createStatement();
// 查找该用户的定单
String query = "select * from orderbyuser where username like '"+username+"'";
ResultSet rs = sqlstatement.executeQuery(query);
while(rs.next())
{
int ordernum = rs.getInt("ordernum");
String pesticidename = rs.getString("pesticidename");
int qty = rs.getInt("qty");
String orderdate = rs.getString("orderdate");
Order aOrder = new Order(ordernum,pesticidename,qty,orderdate);
orderList.add(aOrder);
}
con.close();
} catch (SQLException e) {
System.out.println(e.toString());
} catch (Exception e) {
System.out.println(e.toString());
}
return orderList;
}
public ArrayList GetOrderByAdmin(String start,String end)
{
ArrayList aArrayList = new ArrayList();
try
{
ConnectDataBase aConnect = new ConnectDataBase();
Connection con = aConnect.getconnection();
Statement sqlstatement = con.createStatement();
// 查找该用户的定单
String query = "select * from orderbyuser where orderdate > '"+start+"'" +
" and orderdate <'"+end+"'";
ResultSet rs = sqlstatement.executeQuery(query);
while(rs.next())
{
int ordernum = rs.getInt("ordernum");
String pesticidename = rs.getString("pesticidename");
int qty = rs.getInt("qty");
String orderdate = rs.getString("orderdate");
String username = rs.getString("username");
Order aOrder = new Order(ordernum,pesticidename,qty,orderdate,username);
aArrayList.add(aOrder);
}
con.close();
} catch (SQLException e) {
System.out.println(e.toString());
} catch (Exception e) {
System.out.println(e.toString());
}
return aArrayList;
}
}
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