src/com/dao/renwuDao.java

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




import com.bean.renwu;
import com.util.DBO;
import java.util.List;
import java.sql.ResultSet;
public class renwuDao {
	private DBO db=null;//
	 private renwu renwu=null;
	 public void  insert(renwu renwu) throws Exception{//添加任务
			db=new DBO();
		   db.open();
			
			String sql = "insert into renwu (rw,fbsj,yh,nr,ms ) values ('"+renwu.getRw()+"','"+renwu.getFbsj()+"','"+renwu.getYh()+"','"+renwu.getNr()+"','"+renwu.getMs()+"')";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public void  modify(renwu renwu) throws Exception{//修改任务
			db=new DBO();
		   db.open();
			
			String sql = "update renwu set  rw='"+renwu.getRw()+"',fbsj='"+renwu.getFbsj()+"',yh='"+renwu.getYh()+"',nr='"+renwu.getNr()+"',ms='"+renwu.getMs()+"' where rwid ='"+renwu.getRwid()+"'";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public void  delete(String keyid) throws Exception{//删除任务
			db=new DBO();
		        db.open();
			
			String sql = "delete from renwu where rwid='"+keyid+"'";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public ResultSet  qlist(String sl) throws Exception{//查询任务
		   db=new DBO();
		   db.open();
		   String sql="select * from renwu where  1=1 ";
		if(!sl.equals("")){
			sql+=sl;
			
		}
		   System.out.println("sql="+sql);