src/com/dao/ddpjDao.java

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




import com.bean.ddpj;
import com.util.DBO;
import java.util.List;
import java.sql.ResultSet;
public class ddpjDao {
	private DBO db=null;//
	 private ddpj ddpj=null;
	 public void  insert(ddpj ddpj) throws Exception{//添加订单评价
			db=new DBO();
		   db.open();
			
			String sql = "insert into ddpj (dd,pj,yh,sj ) values ('"+ddpj.getDd()+"','"+ddpj.getPj()+"','"+ddpj.getYh()+"','"+ddpj.getSj()+"')";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public void  modify(ddpj ddpj) throws Exception{//修改订单评价
			db=new DBO();
		   db.open();
			
			String sql = "update ddpj set  dd='"+ddpj.getDd()+"',pj='"+ddpj.getPj()+"',yh='"+ddpj.getYh()+"',sj='"+ddpj.getSj()+"' where ddpjid ='"+ddpj.getDdpjid()+"'";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public void  delete(String keyid) throws Exception{//删除订单评价
			db=new DBO();
		        db.open();
			
			String sql = "delete from ddpj where ddpjid='"+keyid+"'";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public ResultSet  qlist(String sl) throws Exception{//查询订单评价
		   db=new DBO();
		   db.open();
		   String sql="select * from ddpj where  1=1 ";
		if(!sl.equals("")){
			sql+=sl;
			
		}
		   System.out.println("sql="+sql);