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.Truanjian;
public class liuService
{
	public static List leibieList()
	{
		List leibieList=new ArrayList();
		String sql="select * from leibie";
		Object[] params={};
		DB mydb=new DB();
		try
		{
			mydb.doPstm(sql, params);
			ResultSet rs=mydb.getRs();
			while(rs.next())
			{
				Tleibie lebie=new Tleibie();
				lebie.setleibieID(rs.getInt("leibieID"));
				lebie.setleibieName(rs.getString("leibieName"));
				leibieList.add(lebie);
		    }
			rs.close();
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
		mydb.closed();
		return leibieList;
	}
	public static List ruanjianNew()
	{
		List ruanjianList=new ArrayList();
		String sql="select a.*,b.leibieName from ruanjian a left join leibie b on a.leibieID=b.leibieID order by rjID" ;
		Object[] params={};
		DB mydb=new DB();
		try
		{
			mydb.doPstm(sql, params);
			ResultSet rs=mydb.getRs();
			while(rs.next())
			{
				Truanjian ruanjian=new Truanjian();
				ruanjian.setrjID(rs.getInt("rjID"));
				ruanjian.setleibieID(rs.getInt("leibieID"));
				ruanjian.setleibieName(rs.getString("leibieName"));
				ruanjian.setrjmingcheng(rs.getString("rjmingcheng"));