src/com/dao/hwbxDao.java

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




import com.bean.hwbx;
import com.util.DBO;
import java.util.List;
import java.sql.ResultSet;
import java.util.ArrayList;
public class hwbxDao {
	private DBO db=null;//
	 private hwbx hwbx=null;
	 public void  insert(hwbx hwbx) throws Exception{//添加货物保险
			db=new DBO();
		   db.open();
			
			String sql = "insert into hwbx (bt,nr,bxje,bxnr,qx,sbr,sj ) values ('"+hwbx.getBt()+"','"+hwbx.getNr()+"','"+hwbx.getBxje()+"','"+hwbx.getBxnr()+"','"+hwbx.getQx()+"','"+hwbx.getSbr()+"','"+hwbx.getSj()+"')";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public void  modify(hwbx hwbx) throws Exception{//修改货物保险
			db=new DBO();
		   db.open();
			
			String sql = "update hwbx set  bt='"+hwbx.getBt()+"',nr='"+hwbx.getNr()+"',bxje='"+hwbx.getBxje()+"',bxnr='"+hwbx.getBxnr()+"',qx='"+hwbx.getQx()+"',sbr='"+hwbx.getSbr()+"',sj='"+hwbx.getSj()+"' where hwbxid ='"+hwbx.getHwbxid()+"'";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public void  delete(String keyid) throws Exception{//删除货物保险
			db=new DBO();
		        db.open();
			
			String sql = "delete from hwbx where hwbxid='"+keyid+"'";
		
			
			db.update(sql);
			//db.commit();
			db.close();
		
		}
	 public ResultSet  qlist(String sl) throws Exception{//查询货物保险
		   db=new DBO();
		   db.open();
		   String sql="select * from hwbx where  1=1 ";
		if(!sl.equals("")){
			sql+=sl;
			
		}