45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
#include<iostream>
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#include<fstream>
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#include<sm.h>
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using namespace std;
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void shoupiaoguanlixitong()
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{
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while (true) {
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int xuanze;
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cout << "欢迎来到售票管理系统" << endl;
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cout << "请输入您要操作的功能！" << endl;
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cout << "1.显示所有订单信息" << endl;
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cout << "2.退出系统" << endl;
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cin >> xuanze;
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switch (xuanze)
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{
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case 1: {xianshisuoyoudingdanxinxi(); break; }
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case 2: {jinruxitong(); break; }
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}
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if (xuanze == 1 || xuanze == 2) break;
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else { cout << "请输入1或2" << endl; }
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}
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jinruxitong();
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}
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void xianshisuoyoudingdanxinxi()
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{
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dingdanmingxixinxi b;
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ifstream ifile;
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ifile.open("mayuan.dingdan.txt", ios::binary);
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ifile.seekg(0, ios::end);
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int len2 = ifile.tellg();
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int n = len2 / sizeof(dingdanmingxixinxi);
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if (n == 0) { cout << "无订单信息" << endl; }
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else
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{
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for (int i = 0; i < n; i++)
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{
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ifile.seekg(sizeof(b) * i);
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ifile.read((char*)&b, sizeof(b));
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cout << i << "," << "订单号" << b.dingdanhao << " 航班号" << b.hangbanhao << "出发日期" << b.chufariqi << "座位等级" << b.zuoweidengji << " 乘客姓名" << b.chengkexingming << "电话号码" << b.dianhuahaoma << "身份证号" << b.shenfenzhenghao << endl;
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}
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}
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ifile.close();
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shoupiaoguanlixitong();
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} |