src/com/dao/qiyeDao.java

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




import com.bean.qiye;
import com.util.DBO;
import java.util.List;
import java.sql.ResultSet;
public class qiyeDao {
	private DBO db=null;//
	 private qiye qiye=null;
	 public void  insert(qiye qiye) throws Exception{//添加企业
			db=new DBO();
		   db.open();
			
			String sql = "insert into qiye (qy,mc,fr,qydz,dwwz,jyfw,gm,yh ) values ('"+qiye.getQy()+"','"+qiye.getMc()+"','"+qiye.getFr()+"','"+qiye.getQydz()+"','"+qiye.getDwwz()+"','"+qiye.getJyfw()+"','"+qiye.getGm()+"','"+qiye.getYh()+"')";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public void  modify(qiye qiye) throws Exception{//修改企业
			db=new DBO();
		   db.open();
			
			String sql = "update qiye set  qy='"+qiye.getQy()+"',mc='"+qiye.getMc()+"',fr='"+qiye.getFr()+"',qydz='"+qiye.getQydz()+"',dwwz='"+qiye.getDwwz()+"',jyfw='"+qiye.getJyfw()+"',gm='"+qiye.getGm()+"',yh='"+qiye.getYh()+"' where qyid ='"+qiye.getQyid()+"'";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public void  delete(String keyid) throws Exception{//删除企业
			db=new DBO();
		        db.open();
			
			String sql = "delete from qiye where qyid='"+keyid+"'";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public ResultSet  qlist(String sl) throws Exception{//查询企业
		   db=new DBO();
		   db.open();
		   String sql="select * from qiye where  1=1 ";
		if(!sl.equals("")){
			sql+=sl;
			
		}
		   System.out.println("sql="+sql);