xiaoneigongxiang/src/com/service/liuService.java

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package com.service;

import java.io.IOException;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.dao.DB;
import com.orm.Tleibie;
import com.orm.Twupin;
import com.orm.Tjiaoyi;
import com.orm.Txinwen;
public class liuService
{
	public static List leibieList()
	{
		List leibieList=new ArrayList();
		String sql="select * from t_leibie";
		Object[] params={};
		DB mydb=new DB();
		try
		{
			mydb.doPstm(sql, params);
			ResultSet rs=mydb.getRs();
			while(rs.next())
			{
				Tleibie leibie=new Tleibie();
				leibie.setLeibieID(rs.getInt("leibieID"));
				leibie.setLeibieName(rs.getString("leibieName"));
				leibieList.add(leibie);
		    }
			rs.close();
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
		mydb.closed();
		return leibieList;
	}
	public static Twupin getwupin(int id)
	{
		Twupin wupin=new Twupin();
		
		String sql="select a.*,b.leibieName from t_wupin a left join t_leibie b on a.leibieID=b.leibieID where wpID=?";
		Object[] params={id};
		DB mydb=new DB();
		try
		{
			mydb.doPstm(sql, params);
			ResultSet rs=mydb.getRs();
			rs.next();
			wupin.setwpID(rs.getInt("wpID"));
			wupin.setwpmingcheng(rs.getString("wpmingcheng"));
			wupin.setleibieName(rs.getString("leibieName"));