个人作业 地铁计费 计应191西 杨浩明

package aa;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;




public class Client {
	public static void main(String[] args) {
		List <String> al = new ArrayList<String>();

		int N1 ;
		int N2;
		double T = 2.5;
		al.add("河南工业大学");
		al.add("郑大科技园");
		al.add("郑州大学");
		al.add("梧桐街");
		al.add("兰寨");
		al.add("铁炉");
		al.add("市民中心");
		al.add("西流湖");
		al.add("西三环");
		al.add("秦岭路");
		al.add("五一公园");
		al.add("碧沙岗");
		al.add("绿城广场");
		
		System.out.println("\n"+"欢迎使用地铁系统");
		System.out.println("===========================");
		for(int i = 0;i < al.size();i++) {
			System.out.print("第"+(i+1)+"站："+al.get(i) +"\t");
			if((i+1)%5 == 0) {
				System.out.println();
			}
		}
		System.out.println("\n"+"===========================");
		do {
			System.out.println("请输入上车站");
			Scanner sc = new Scanner(System.in);
			String name1 = sc.nextLine();
			if(al.contains(name1)) {
				N1 = al.indexOf(name1);
				break;
			}else {
				System.out.println("您输入的上车站"+ name1 +"不存在!!!");
			}
			
		} while (true) ;
			
		do {
			System.out.println("请输入下车站");
			Scanner sc = new Scanner(System.in);
			String name2 = sc.nextLine();
			if(al.contains(name2)) {
				N2 = al.indexOf(name2);
				break;
			}else {
				System.out.println("您输入的到达站:"+ name2 + "不存在");
			}
			
		} while (true) ;
		
		if(Math.abs(N2 - N1)< 3) {
			System.out.println("从" + al.get(N2) + "到" + al.get(N1) + "共经过" + Math.abs(N2 - N1) + "站," +"收费3元"+ "大约需要" + (T*Math.abs(N2 - N1)) + "分钟");
		}else if(Math.abs(N2 - N1) >3 && Math.abs(N2 - N1) <= 5) {
			System.out.println("从" + al.get(N2) + "到" + al.get(N1) + "共经过" + Math.abs(N2 - N1) + "站," +"收费4元"+ "大约需要" + (T*Math.abs(N2 - N1)) + "分钟");
		}else {
			if(4+(Math.abs(N2 - N1)-4)*2 >10) {
			System.out.println("从" + al.get(N2) + "到" + al.get(N1) + "共经过" + Math.abs(N2 - N1) + "站," +"收费10元"+ "大约需要" + (T*Math.abs(N2 - N1)) + "分钟");
			}else {
				System.out.println("从" + al.get(N2) + "到" + al.get(N1) + "共经过" + Math.abs(N2 - N1) + "站," +"收费" +(4+(Math.abs(N2 - N1)-4)*2)+"元"+ "大约需要" + (T*Math.abs(N2 - N1)) + "分钟");
			}
		}
		
				
		
	}	
		
		
}