src/com/dao/dingdanDao.java

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package com.dao;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;




import com.bean.dingdan;
import com.util.DBO;
import java.util.List;
import java.sql.ResultSet;
public class dingdanDao {
	private DBO db=null;//
	 private dingdan dingdan=null;
	 public void  insert(dingdan dingdan) throws Exception{//添加订单
			db=new DBO();
		   db.open();
			
			String sql = "insert into dingdan (bt,bh,yh,fhd,fhdz,fhr,fhdh,shr,shdz,hw,sj,zt ) values ('"+dingdan.getBt()+"','"+dingdan.getBh()+"','"+dingdan.getYh()+"','"+dingdan.getFhd()+"','"+dingdan.getFhdz()+"','"+dingdan.getFhr()+"','"+dingdan.getFhdh()+"','"+dingdan.getShr()+"','"+dingdan.getShdz()+"','"+dingdan.getHw()+"','"+dingdan.getSj()+"','"+dingdan.getZt()+"')";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public void  modify(dingdan dingdan) throws Exception{//修改订单
			db=new DBO();
		   db.open();
			
			String sql = "update dingdan set  bt='"+dingdan.getBt()+"',bh='"+dingdan.getBh()+"',yh='"+dingdan.getYh()+"',fhd='"+dingdan.getFhd()+"',fhdz='"+dingdan.getFhdz()+"',fhr='"+dingdan.getFhr()+"',fhdh='"+dingdan.getFhdh()+"',shr='"+dingdan.getShr()+"',shdz='"+dingdan.getShdz()+"',hw='"+dingdan.getHw()+"',sj='"+dingdan.getSj()+"',zt='"+dingdan.getZt()+"' where ddid ='"+dingdan.getDdid()+"'";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public void  delete(String keyid) throws Exception{//删除订单
			db=new DBO();
		        db.open();
			
			String sql = "delete from dingdan where ddid='"+keyid+"'";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public ResultSet  qlist(String sl) throws Exception{//查询订单
		   db=new DBO();
		   db.open();
		   String sql="select * from dingdan where  1=1 ";
		if(!sl.equals("")){
			sql+=sl;
			
		}
		   System.out.println("sql="+sql);