src/com/dao/psfwDao.java

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




import com.bean.psfw;
import com.util.DBO;
import java.util.List;
import java.sql.ResultSet;
public class psfwDao {
	private DBO db=null;//
	 private psfw psfw=null;
	 public void  insert(psfw psfw) throws Exception{//添加配送范围
			db=new DBO();
		   db.open();
			
			String sql = "insert into psfw (ysd,psd ) values ('"+psfw.getYsd()+"','"+psfw.getPsd()+"')";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public void  modify(psfw psfw) throws Exception{//修改配送范围
			db=new DBO();
		   db.open();
			
			String sql = "update psfw set  ysd='"+psfw.getYsd()+"',psd='"+psfw.getPsd()+"' where psfwid ='"+psfw.getPsfwid()+"'";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public void  delete(String keyid) throws Exception{//删除配送范围
			db=new DBO();
		        db.open();
			
			String sql = "delete from psfw where psfwid='"+keyid+"'";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public ResultSet  qlist(String sl) throws Exception{//查询配送范围
		   db=new DBO();
		   db.open();
		   String sql="select * from psfw where  1=1 ";
		if(!sl.equals("")){
			sql+=sl;
			
		}
		   System.out.println("sql="+sql);