在某城市有三家连锁酒店，希望大神们帮忙分析分析

Question

分别为：如家, 七天和汉庭.每一家分店都有自己的评级和不同的价格。
如家 3星级周一到周五普通顾客110，会员80。周末普通顾客 90 ，会员 80；
七天 4星级周一到周五普通顾客160，会员110。周末普通顾客 60 ，会员50；
汉庭 5星级周一到周五普通顾客220，会员100。周末普通顾客 150 ，会员40；
设计一个程序帮助顾客能够根据自己的需要找到最便宜的酒店。
样例输入：普通顾客 2009-3-16 2009-3-18
样例输出: 如家
样例输入：会员顾客 2016-7-31 2016-8-2
样例输出: 汉庭
如果，在结果中有两个或两个以上价格相同的酒店，则选择评级高的那一个

要求：
1.只可以使用jdk和junit，不许使用其它任何第三方包
2.程序以main函数启动，在控制台读取用户的输入，并在控制台输出结果。

Answer 1

public static void main(String[] args) {Scanner input = new Scanner(System.in);System.out.println("是否是会员？y/n");String H = input.next();System.out.println("请输入入住日期：");System.out.println("例如2009-03-16");String in = input.next();System.out.println("请输离开日期：");System.out.println("例如2009-03-16");String out = input.next();//String in = s.substring(5,15);//String out = s.substring(15,26);//System.out.println(in+" "+out);SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");Calendar c1 = Calendar.getInstance();Calendar c2 = Calendar.getInstance();try {c1.setTime(sdf.parse(in));c2.setTime(sdf.parse(out));} catch (ParseException e) {// TODO Auto-generated catch blocke.printStackTrace();}long time1 = c1.getTimeInMillis();long time2 = c2.getTimeInMillis();long tian = (time2-time1)/(1000*24*3600);long tian1 = tian;System.out.println("tian "+tian);int week1 = c1.get(Calendar.DAY_OF_WEEK)-1;//System.out.println(week1);//int week2 = c2.get(Calendar.DAY_OF_WEEK)-1;//System.out.println(week2);int count = 0;while(tian1>0){if(week1 == 6 || week1==0){count++;}if(week1==6){week1 = 0;week1--;}tian1--;week1++;}System.out.println("count "+count);long rujia;long qitian;long hanting;if(H.equals("y")){rujia = (tian-count)*80+count*80;System.out.println("tian "+tian);qitian = (tian-count)*110+count*50;hanting = (tian-count)*100+count*40;}else{rujia = (tian-count)*110+count*90;qitian = (tian-count)*160+count*60;hanting = (tian-count)*220+count*150;}System.out.println("tian " + tian);System.out.println("rujia "+rujia);System.out.println("hanting "+hanting);System.out.println("qitian "+qitian);if(rujia<qitian && rujia<hanting){System.out.println("如家");}else if(qitian<rujia && qitian<hanting){System.out.println("七天");}else if(hanting<rujia && hanting<qitian){System.out.println("汉庭");}else if(hanting==rujia || hanting==qitian){System.out.println("汉庭");}else if(qitian==rujia && qitian<hanting){System.out.println("七天");}}我没怎么测试 自己测测吧 还有一些约束用户输入啥的 严谨性什么的

Answer 2

package chooseHotel;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Calendar;import java.util.Date;import java.util.List;import java.util.Scanner;public class Hotel {String hotelName;boolean isMember;boolean isWeekend;static int[][][] prices = {{{110,90},{80,80}},{{160,60},{110,50}},{{220,150},{100,40}}};public Hotel(String hotelName,boolean isMember,boolean isWeekend) {this.hotelName = hotelName;this.isMember = isMember;this.isWeekend = isWeekend;}//输入定酒店的参数（酒店名，是否会员，是否周末），返回该天的价格。public static int getDayPrice(String hotelName,boolean isMember,boolean isWeekend){int x=0,y=0,z=0;int price;if(hotelName.equals("如家")){x=0;}if(hotelName.equals("七天")){x=1;}if(hotelName.equals("汉庭")){x=2;}if(isMember)y=1;if(isWeekend)z=1;price = prices[x][y][z];return price;}//判断某一天是否是周末public static boolean isWeekend(String StrDate) throws ParseException{SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");Date date = simpleDateFormat.parse(StrDate);if(date.toString().contains("Sat")||date.toString().contains("Sun"))return true;return false;}//输出两个指定日期之间的所有日期public static List<String> getAllDate(String StrStartDate,String StrEndDate) throws ParseException{List<String> allDate = new ArrayList<String>();SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");Date startDate = simpleDateFormat.parse(StrStartDate);Date endDate = simpleDateFormat.parse(StrEndDate);Calendar startCalendar = Calendar.getInstance();startCalendar.setTime(startDate);Calendar endCalendar = Calendar.getInstance();endCalendar.setTime(endDate);do{allDate.add(simpleDateFormat.format(startCalendar.getTime()));startCalendar.add(Calendar.DAY_OF_MONTH, 1);}while(startCalendar.compareTo(endCalendar)<=0);return allDate;}//输入定酒店的参数（酒店名，是否会员，起始日期，终止日期），返回总价格。public static int getSumPrice(String hotelName,boolean isMember,String StrStartDate,String StrEndDate) throws ParseException{int sumPrice = 0;List<String> allDate = Hotel.getAllDate(StrStartDate, StrEndDate);boolean isWeekend;for(String strDate:allDate){isWeekend = Hotel.isWeekend(strDate);sumPrice += Hotel.getDayPrice(hotelName,isMember,isWeekend);}return sumPrice;}//依次输入"如家"、"七天"、"汉庭"的总价，选出最优的那家public static String chooseHotel(int rujiaSumPrice,int qitianSumPrice,int hantingSumPrice){if(rujiaSumPrice<qitianSumPrice && rujiaSumPrice<hantingSumPrice){return "如家";}else if(qitianSumPrice<=rujiaSumPrice && qitianSumPrice < hantingSumPrice){return "七天";}else {return "汉庭";}}//根据样例输入，找最适合的酒店，样例为：普通顾客 2018-1-1 2018-1-7public static String chooseHotelByCustomerInput(String customerInput) throws ParseException {String[] split = customerInput.split(" ");boolean isMember = split[0].contains("会员")?true:false;String StrStartDate = split[1].trim();String StrEndDate = split[2].trim();String hotelName;hotelName = "如家";int rujiaSumPrice = Hotel.getSumPrice(hotelName, isMember, StrStartDate, StrEndDate);hotelName = "七天";int qitianSumPrice = Hotel.getSumPrice(hotelName, isMember, StrStartDate, StrEndDate);hotelName = "汉庭";int hantingSumPrice = Hotel.getSumPrice(hotelName, isMember, StrStartDate, StrEndDate);return chooseHotel(rujiaSumPrice, qitianSumPrice, hantingSumPrice);}public static void main(String[] args) throws ParseException, IOException {String customerInput = null;BufferedReader br = new BufferedReader(new InputStreamReader(System.in));customerInput = br.readLine();while(!customerInput.equals("over")){System.out.println(Hotel.chooseHotelByCustomerInput(customerInput));customerInput = br.readLine();}}}本代码已经测试，准确可用！&nbsp;