src/com/dao/yonghuDao.java

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




import com.bean.yonghu;
import com.util.DBO;
import java.util.List;
import java.sql.ResultSet;
public class yonghuDao {
	private DBO db=null;//
	 private yonghu yonghu=null;
	 public void  insert(yonghu yonghu) throws Exception{//添加用户
			db=new DBO();
		   db.open();
			
			String sql = "insert into yonghu (yhm,mm,xm,qx,gw,bm,tz,xl ) values ('"+yonghu.getYhm()+"','"+yonghu.getMm()+"','"+yonghu.getXm()+"','"+yonghu.getQx()+"','"+yonghu.getGw()+"','"+yonghu.getBm()+"','"+yonghu.getTz()+"','"+yonghu.getXl()+"')";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public void  modify(yonghu yonghu) throws Exception{//修改用户
			db=new DBO();
		   db.open();
			
			String sql = "update yonghu set  yhm='"+yonghu.getYhm()+"',mm='"+yonghu.getMm()+"',xm='"+yonghu.getXm()+"',qx='"+yonghu.getQx()+"',gw='"+yonghu.getGw()+"',bm='"+yonghu.getBm()+"',tz='"+yonghu.getTz()+"',xl='"+yonghu.getXl()+"' where yhid ='"+yonghu.getYhid()+"'";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public void  delete(String keyid) throws Exception{//删除用户
			db=new DBO();
		        db.open();
			
			String sql = "delete from yonghu where yhid='"+keyid+"'";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public ResultSet  qlist(String sl) throws Exception{//查询用户
		   db=new DBO();
		   db.open();
		   String sql="select * from yonghu where  1=1 ";
		if(!sl.equals("")){
			sql+=sl;
			
		}
		   System.out.println("sql="+sql);