package com.yuxue.pay;
import java.io.*;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.omg.CORBA.PRIVATE_MEMBER;

import com.yuxue.pay.cost;

public class readWanted {
	
	public  String readWantedText(String wanted) throws IOException, ParseException {
		String filepath = "D:\\HDH.txt";
		int count=0;// 记录次数
		String last=null;

		try {
			FileReader fr = new FileReader(filepath);
			BufferedReader br = new BufferedReader(fr);
			String temp = "";// 用于临时保存每次读取的内容
			
			while (temp != null) {
				temp = br.readLine();
				if (temp != null && temp.contains(wanted)) {
					count++;
					last=temp;
				}
			}
		
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 设置日期格式
		String date2 = sdf.format(new Date());// new Date()为获取当前系统时间
		FileWriter fWriter = new FileWriter(filepath, true);
		fWriter.write(wanted + " " + date2 + "\n");
		fWriter.close();
		System.out.println(last);
		String s5="";
		if(count%2!=0)
		{
			String[] s1=last.split(" ");
			String sdate=s1[1].concat(" "+s1[2]);
			cost cost =new cost();
			//计算费用
			s5=cost.cost(sdate, date2);
			return s5;
		}
		else {
			return "welcome";
		}

	}
}