package jizhang;

import java.util.Scanner;

import java.io.FileWriter;

import java.io.IOException;

import java.io.Writer;

public class test {

public static void main(String[] args) throws IOException {

String details = "收支\t收入金额 \t\t收支说明 \n";

double balance = 0;

double income_1=0;

double expend_1=0;

while (true) {

System.out.println("---------欢迎使用记账系统-------");

System.out.println("| 1.收支明细 |");

System.out.println("| 2.登记收入 |");

System.out.println("| 3.登记支出 |");

System.out.println("| 4.退出系统 |");

System.out.println("| 5.输出记录 |");

System.out.println("--------------------------------");

System.out.println("请输入您要执行的操作：(1-5)");

Scanner in = new Scanner(System.in);

int choice = in.nextInt();

while (choice != 1 && choice != 2 && choice != 3 && choice != 4&& choice !=5) {

System.out.println("对不起，没有此功能，请重新操作");//保证输入的选择在正确的范围内

int newChoice = in.nextInt();

choice = newChoice;

}

switch (choice) {

case 1:

System.out.println("--------记账系统--------收支明细--------");

System.out.println(details);

System.out.println("<<<<<<<<<<<<>>>>>>>>>>>\n");

System.out.println("总支出："+expend_1+"元");

System.out.println("总收入："+income_1+"元");

System.out.println("当前余额："+balance+"元"+"\n");

System.out.println("<<<<<<<<<<<<>>>>>>>>>>>\n");

break;

case 2:

System.out.println("--------记账系统--------登记收入--------");

System.out.println("请输入收入金额：");

double income = in.nextDouble();

System.out.println("请输入收入类别：");

System.out.println("类别：勤工助学、奖学金、父母汇款、兼职、其他");

String incomeDetail = in.next();

balance += income;

income_1+=income;

details = details + "收入\t" +income +"元"+ "\t"+" " + incomeDetail + "\t" + "\n";

System.out.println("<<<<<<<<<<<<>>>>>>>>>>>\n");

break;

case 3:

System.out.println("--------记账系统--------登记支出--------");

System.out.println("请输入支出金额：");

double expend = in.nextDouble();

System.out.println("请消费类别：");

System.out.println("类别：购买文具、服饰、餐饮、交通、其他");

String expendDetail = in.next();

expend_1+=expend;

balance -= expend;

details = details + "支出\t" + expend+"元" + "\t"+" " + expendDetail + "\t" + "\n";

System.out.println("本次登记完成");

System.out.println("<<<<<<<<<<<<>>>>>>>>>>>\n");

break;

case 4:

System.out.println("--------记账系统--------退出系统--------");

System.out.println("确定要退出吗？(Y/N)");

String isExit = in.next();

switch (isExit) {

case "Y":

System.out.println("<<<<<<>>>>>>\n");

return;

case "N":

System.out.println("<<<<<<<<<<<<>>>>>>>>>>>\n"); }

break;

case 5:

System.out.println("--------记账系统--------输出记录--------\n");

Writer write =new FileWriter("E://账单.txt");//文件的地址

String s= details+"\n"+"总支出："+expend_1+"元"+"\n"+"总收入："+income_1+"元"+"\n"+"当前余额："+balance+"元"+"\n";

write.write(s);

write.close();

System.out.println("文件保存在E://账单.txt");

System.out.println("<<<<<<<<<<<<>>>>>>>>>>>\n");

break;

}

}

}

}