disppayer.java

一个财务管理系统

/**
*  Title  财务管理系统
*  @author: trowa
*  Company: http://www.upol.cn
*  Copyright: Copyright (c) 2004
*  @version 1.0
*  费用类型表中的一些查询操作
*/


package caiwu;
import java.sql.*;
import java.util.*;
public class DispPayer extends Payer{

    public ResultSet rs;

//得到所有的报销人
    public Vector allPayer(){
        DBConnect dbc = null;
            Vector allPayerVector = new Vector();
            try{
                    dbc  = new DBConnect();
                    dbc.prepareStatement("SELECT * FROM payer order by id");
                    rs = dbc.executeQuery();
                            while(rs.next()){
                            Payer payer = new Payer();
                            payer.setId(rs.getInt("id"));
                            payer.setName(rs.getString("name"));
                            allPayerVector.add(payer);
                    }
            }catch(Exception e){
                    System.err.println(e);
            }finally{
                    try{
                            dbc.close();
                    }catch(Exception e){
                            e.printStackTrace();
                    }
            }
            return allPayerVector;


    }


//根据id得到报销人
        public Payer idToPayer(){
            DBConnect dbc = null;
                Payer payer = new Payer();
                try{
                        dbc  = new DBConnect();
                        dbc.prepareStatement("SELECT * FROM payer where id=?");
                        dbc.setInt(1,Id);
                        rs = dbc.executeQuery();
                              if(rs.next()){
                                payer.setId(rs.getInt("id"));
                                payer.setName(rs.getString("name"));
                        }
                }catch(Exception e){
                        System.err.println(e);
                }finally{
                        try{
                                dbc.close();
                        }catch(Exception e){
                                e.printStackTrace();
                        }
                }
                return payer;
    }
    public DispPayer() {
    }
}