394 lines
12 KiB
C++
394 lines
12 KiB
C++
#include<iostream>
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#include<sm.h>
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#include<fstream>
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using namespace std;
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void hangbanguanlixitong()
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{
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int xuanzegongneng;
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while (true)
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{
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cout << "请选择你要操作的功能：" << endl;
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cout << "1.添加航班信息功能" << endl;
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cout << "2.显示所有航班信息功能" << endl;
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cout << "3.查询航班信息功能" << endl;
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cout << "4.修改航班信息功能" << endl;
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cout << "5.删除航班信息功能" << endl;
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cout << "6.退出系统" << endl;
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cin >> xuanzegongneng;
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switch (xuanzegongneng)
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{
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case 1:tianjiahangbangongneng(); break;
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case 2:xianshisuoyouhangbanxinxigongneng(); break;
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case 3:chaxunhangbanxinxigongneng(); break;
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case 4:xiugaihangbanxinxigongneng(); break;
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case 5:shanchuhangbanxinxigongneng(); break;
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case 6:jinruxitong(); break;
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}
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}
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}
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void tianjiahangbangongneng()
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{
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hangbanxinxi a;
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hangbanxinxi b;//用来和a对比对照
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while (true)
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{
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cout << "请输入要添加的航班的航班号" << endl;
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cin >> a.hangbanhao;
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ofstream ofile;
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ifstream ifile;
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ifile.open("mayuan.hangbanxinxi.txt", ios::binary | ios::in);
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ifile.seekg(0, ios::end);
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int len = ifile.tellg();
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int n = len / sizeof(b);
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ifile.seekg(0, ios::beg);
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int jiance = 0;
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for (int i = 0; i < n; i++)
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{
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ifile.read((char*)&b, sizeof(b));
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if (b.hangbanhao == a.hangbanhao) { jiance = 1; }
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}
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ifile.close();
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if (jiance == 0) { break; }
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else { cout << "航班号重复，请重新输入" << endl; }
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}
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cout << "请输入要添加的航班的航空公司" << endl;
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cin >> a.hangkonggongsi;
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cout << "请输入要添加的航班的班期" << endl;
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cin >> a.banqi;
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cout << "请输入要添加的航班的始发城市" << endl;
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cin >> a.shifachengshi;
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cout << "请输入要添加的航班的抵达城市" << endl;
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cin >> a.didachengshi;
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cout << "请输入要添加的航班的抵达航站楼" << endl;
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cin >> a.didahangzhanlou;
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cout << "请输入要添加的航班的时间" << endl;
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cin >> a.shijian;
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cout << "请输入要添加的航班的头等舱数" << endl;
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cin >> a.toudengcangshu;
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cout << "请输入要添加的航班的公务舱数" << endl;
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cin >> a.gongwucangshu;
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cout << "请输入要添加的航班的经济舱数" << endl;
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cin >> a.jingjicangshu;
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ofstream ofile;
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ofile.open("mayuan.hangbanxinxi.txt", ios::binary | ios::app|ios::out);
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ofile.write((char*)&a, sizeof(a));
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ofile.close();
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hangbanguanlixitong();
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}
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void xianshisuoyouhangbanxinxigongneng()
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{
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hangbanxinxi b;
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ifstream ifile;
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ifile.open("mayuan.hangbanxinxi.txt", ios::binary);
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ifile.seekg(0, ios::end);
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int len = ifile.tellg();
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int n = len / sizeof(b);
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if (n == 0) { cout << "无航班信息" << endl; }
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else {
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ifile.seekg(0, ios::beg);
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for (int i = 0; i < n; i++)
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{
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ifile.read((char*)&b, sizeof(b));
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cout << i + 1 << "," << "航班号" << b.hangbanhao << "航空公司" << b.hangkonggongsi << "班期" << b.banqi << "始发城市" << b.shifachengshi << "抵达城市" << b.didachengshi << "抵达航站楼" << b.didahangzhanlou << "时间" << b.shijian << "头等舱数" << b.toudengcangshu << "公务舱数" << b.gongwucangshu << "经济舱数" << b.jingjicangshu << endl;
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}
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}
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ifile.close();
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hangbanguanlixitong();
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}
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void xianshisuoyouhangbanxinxigongnen()
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{
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hangbanxinxi b;
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ifstream ifile;
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ifile.open("mayuan.hangbanxinxi.txt", ios::binary);
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ifile.seekg(0, ios::end);
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int len = ifile.tellg();
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int n = len / sizeof(b);
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ifile.seekg(0, ios::beg);
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cout << n << endl;
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for (int i = 0; i < n; i++)
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{
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ifile.read((char*)&b, sizeof(b));
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cout << i + 1 << "," << "航班号" << b.hangbanhao << "航空公司" << b.hangkonggongsi << "班期" << b.banqi << "始发城市" << b.shifachengshi << "抵达城市" << b.didachengshi << "抵达航站楼" << b.didahangzhanlou << "时间" << b.shijian << "头等舱数" << b.toudengcangshu << "公务舱数" << b.gongwucangshu << "经济舱数" << b.jingjicangshu << endl;
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}
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ifile.close();
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}
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void chaxunhangbanxinxigongneng()
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{
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int xuanze;
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cout << "请输入所要查询的航班的信息" << endl;
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cout << "1.按照航班号查询" << endl;
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cout << "2.按照始发城市查询" << endl;
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cin >> xuanze;
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switch (xuanze)
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{
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case 1:anzhaohangbanhaochaxun();
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case 2:anzhaoshifachengshichaxun();
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}
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hangbanguanlixitong();
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}
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void anzhaohangbanhaochaxun()
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{
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hangbanxinxi a;
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cout << "请输入要查询的航班的航班号" << endl;
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cin >> a.hangbanhao;
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ifstream ifile;
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ifile.open("mayuan.hangbanxinxi.txt", ios::binary);
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ifile.seekg(0, ios::end);
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int len = ifile.tellg();
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int n = len / sizeof(hangbanxinxi);
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hangbanxinxi b;
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int c = 0;//判断有没有找到信息；
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ifile.seekg(0, ios::beg);
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for (int i = 0; i < n; i++)
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{
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ifile.read((char*)&b, sizeof(hangbanxinxi));
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if (a.hangbanhao == b.hangbanhao)
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{
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cout << "已查询到该航班信息！" << endl;
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cout << "该航班航班号为" << b.hangbanhao << "航空公司" << b.hangkonggongsi << "班期为" << b.banqi << "始发城市为" << b.shifachengshi << "抵达城市为" << b.didachengshi << "抵达航站楼为" << b.didahangzhanlou << "时间为" << b.shijian << "头等舱数为" << b.toudengcangshu << "公务舱数为" << b.gongwucangshu << "经济舱数为" << b.jingjicangshu << endl;
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c = 1;
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break;
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}
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}
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if (c == 0) { cout << "无法找到该航班信息"; }
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ifile.close();
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hangbanguanlixitong();
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}
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void anzhaoshifachengshichaxun()
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{
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hangbanxinxi a;
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cout << "请输入要查询的航班的始发城市" << endl;
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cin >> a.shifachengshi;
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ifstream ifile;
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ifile.open("mayuan.hangbanxinxi.txt", ios::binary);
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ifile.seekg(0, ios::end);
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int len = ifile.tellg();
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int n = len / sizeof(hangbanxinxi);
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hangbanxinxi b;
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int c = 0;
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ifile.seekg(0, ios::beg);
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for (int i = 0; i < n; i++)
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{
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ifile.read((char*)&b, sizeof(hangbanxinxi));
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if (a.shifachengshi == b.shifachengshi)
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{
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cout << "已查询到该航班信息！" << endl;
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cout << "该航班航班号为" << b.hangbanhao << "航空公司" << b.hangkonggongsi << "班期为" << b.banqi << "始发城市为" << b.shifachengshi << "抵达城市为" << b.didachengshi << "抵达航站楼为" << b.didahangzhanlou << "时间为" << b.shijian << "头等舱数为" << b.toudengcangshu << "公务舱数为" << b.gongwucangshu << "经济舱数为" << b.jingjicangshu << endl;
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c = 1;
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}
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}
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if (c == 0) { cout << "无法找到该航班信息"; }
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ifile.close();
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hangbanguanlixitong();
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}
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void xiugaihangbanxinxigongneng()
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{
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hangbanxinxi a;
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cout << "请输入要修改航班的航班号" << endl;
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cin >> a.hangbanhao;
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hangbanxinxi b;
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ifstream ifile;
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ifile.open("mayuan.hangbanxinxi.txt", ios::binary);
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ifile.seekg(0, ios::end);
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int len = ifile.tellg();
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int n = len / sizeof(hangbanxinxi);
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int c; c = 0;//判断是否查询到该信息
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ifile.seekg(0, ios::beg);
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int i;
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for (i = 0; i < n; i++)
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{
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ifile.read((char*)&b, sizeof(hangbanxinxi));
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if (b.hangbanhao == a.hangbanhao)
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{
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c = 1;
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cout << "已查询到该航班信息！" << endl;
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cout << "该航班航班号为" << b.hangbanhao << "航空公司" << b.hangkonggongsi << "班期为" << b.banqi << "始发城市为" << b.shifachengshi << "抵达城市为" << b.didachengshi << "抵达航站楼为" << b.didahangzhanlou << "时间为" << b.shijian << "头等舱数为" << b.toudengcangshu << "公务舱数为" << b.gongwucangshu << "经济舱数为" << b.jingjicangshu << endl;
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break;
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}
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}
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ifile.close();
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if (c == 0) { cout << "未能找到该航班" << endl; }
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else
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{
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hangbanxinxi c;
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hangbanxinxi d;
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int s = a.hangbanhao;
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int i;
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ifstream ifile;
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ifile.open("mayuan.hangbanxinxi.txt", ios::binary);
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ifile.seekg(0, ios::end);
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int len = ifile.tellg();
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int n = len / sizeof(hangbanxinxi);
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for (i = 0; i < n; i++)
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{
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ifile.seekg(sizeof(hangbanxinxi) * i);
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ifile.read((char*)&c, sizeof(hangbanxinxi));
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if (s == c.hangbanhao) { break; }
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}
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ifile.close();
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ofstream ofile;
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ifile.open("mayuan.hangbanxinxi.txt", ios::binary);
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ofile.open("mayuan.zhongjie.txt", ios::binary | ios::trunc);
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ofile.close();
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ofile.open("mayuan.zhongjie.txt", ios::binary | ios::out);
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for (int j = 0; j < n; j++)
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{
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ifile.seekg(sizeof(hangbanxinxi) * j);
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ifile.read((char*)&c, sizeof(hangbanxinxi));
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if (j != i)
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{
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d.hangbanhao = c.hangbanhao;
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d.hangkonggongsi = c.hangkonggongsi;
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d.banqi = c.banqi;
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d.shifachengshi = c.shifachengshi;
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d.didachengshi = c.didachengshi;
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d.didahangzhanlou = c.didahangzhanlou;
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d.shijian = c.shijian;
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d.toudengcangshu = c.toudengcangshu;
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d.jingjicangshu = c.jingjicangshu;
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d.gongwucangshu = c.gongwucangshu;
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ofile.write((char*)&d, sizeof(hangbanxinxi));
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}
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}
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ifile.close();
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ofile.close();
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ifile.open("mayuan.zhongjie.txt", ios::binary);
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ofile.open("mayuan.hangbanxinxi.txt", ios::trunc);
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ofile.close();
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ofile.open("mayuan.hangbanxinxi.txt", ios::binary | ios::out | ios::app);
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for (int k = 0; k < n - 1; k++)
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{
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ifile.seekg(sizeof(hangbanxinxi) * k);
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ifile.read((char*)&d, sizeof(d));
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c.hangbanhao = d.hangbanhao;
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c.hangkonggongsi = d.hangkonggongsi;
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c.banqi = d.banqi;
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c.shifachengshi = d.shifachengshi;
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c.didachengshi = d.didachengshi;
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c.didahangzhanlou = d.didahangzhanlou;
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c.shijian =d.shijian;
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c.toudengcangshu = d.toudengcangshu;
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c.jingjicangshu = d.jingjicangshu;
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c.gongwucangshu = d.gongwucangshu;
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ofile.write((char*)&c, sizeof(c));
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}
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ifile.close();
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ofile.close();
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ofile.open("mayuan.zhongjie.txt", ios::trunc);
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ofile.close();
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cout << "请输入修改后的航班的信息" << endl;
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cout << "航班的航空公司" << endl;
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cin >> a.hangkonggongsi;
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cout << "航班的班期" << endl;
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cin >> a.banqi;
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cout << "航班的始发城市" << endl;
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cin >> a.shifachengshi;
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cout << "航班的抵达城市" << endl;
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cin >> a.didachengshi;
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cout << "航班的抵达航站楼" << endl;
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cin >> a.didahangzhanlou;
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cout << "航班的时间" << endl;
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cin >> a.shijian;
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cout << "航班的头等舱数" << endl;
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cin >> a.toudengcangshu;
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cout << "航班的公务舱数" << endl;
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cin >> a.gongwucangshu;
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cout << "航班的经济舱数" << endl;
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cin >> a.jingjicangshu;
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ofile.open("mayuan.hangbanxinxi.txt", ios::binary | ios::out|ios::app);
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ofile.write((char*)&a, sizeof(hangbanxinxi));
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ofile.close();
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cout << "修改成功！是否查看？" << endl;
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cout << "输入1查看修改后的所有航班信息，否则请输入0" << endl;
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int xuanze;
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cin >> xuanze;
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if (xuanze == 1) { xianshisuoyouhangbanxinxigongneng(); }
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else { ; }
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}
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hangbanguanlixitong();
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}
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void shanchuhangbanxinxigongneng()
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{
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hangbanxinxi a;
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hangbanxinxi b;
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cout << "请输入您想删除航班的航班号" << endl;
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int s;
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cin >> s;
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int z; z = 0;
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int i;
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ifstream ifile;
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ifile.open("mayuan.hangbanxinxi.txt", ios::binary);
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ifile.seekg(0, ios::end);
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int len = ifile.tellg();
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int n = len / sizeof(hangbanxinxi);
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for (i = 0; i < n; i++)
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{
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ifile.seekg(sizeof(hangbanxinxi) * i);
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ifile.read((char*)&a, sizeof(hangbanxinxi));
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if (s == a.hangbanhao) { z = 1; break; }
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}
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ifile.close();
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if (z == 0) { cout << "未找到该航班" << endl; }
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else
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{
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ifstream ifile;
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ofstream ofile;
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ifile.open("mayuan.hangbanxinxi.txt", ios::binary);
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ofile.open("mayuan.zhongjie.txt",ios::binary| ios::trunc);
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ofile.close();
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ofile.open("mayuan.zhongjie.txt", ios::binary | ios::out);
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for (int j = 0; j < n; j++)
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{
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ifile.seekg(sizeof(hangbanxinxi) * j);
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ifile.read((char*)&a, sizeof(hangbanxinxi));
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if (j != i)
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{
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b.hangbanhao = a.hangbanhao;
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b.hangkonggongsi = a.hangkonggongsi;
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b.banqi = a.banqi;
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b.shifachengshi = a.shifachengshi;
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b.didachengshi = a.didachengshi;
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b.didahangzhanlou = a.didahangzhanlou;
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b.shijian = a.shijian;
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b.toudengcangshu = a.toudengcangshu;
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b.jingjicangshu = a.jingjicangshu;
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b.gongwucangshu = a.gongwucangshu;
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ofile.write((char*)&b, sizeof(hangbanxinxi));
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}
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}
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ifile.close();
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ofile.close();
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ifile.open("mayuan.zhongjie.txt", ios::binary);
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ofile.open("mayuan.hangbanxinxi.txt", ios::trunc);
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ofile.close();
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ofile.open("mayuan.hangbanxinxi.txt", ios::binary | ios::out|ios::app);
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for (int k = 0; k < n - 1; k++)
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{
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ifile.seekg(sizeof(hangbanxinxi) * k);
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ifile.read((char*)&b, sizeof(b));
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a.hangbanhao = b.hangbanhao;
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a.hangkonggongsi = b.hangkonggongsi;
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a.banqi = b.banqi;
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a.shifachengshi = b.shifachengshi;
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a.didachengshi = b.didachengshi;
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a.didahangzhanlou = b.didahangzhanlou;
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a.shijian = b.shijian;
|
||
a.toudengcangshu = b.toudengcangshu;
|
||
a.jingjicangshu = b.jingjicangshu;
|
||
a.gongwucangshu = b.gongwucangshu;
|
||
ofile.write((char*)&a, sizeof(a));
|
||
}
|
||
ifile.close();
|
||
ofile.close();
|
||
ofile.open("mayuan.zhongjie.txt", ios::trunc);
|
||
ofile.close();
|
||
cout << "删除成功！" << endl;
|
||
}
|
||
hangbanguanlixitong();
|
||
}
|
||
|
||
|