• 房屋中介公司需要对日常工作中涉及到的房屋、房主和租房顾客等各类数据进行有效地管理，以实现业务的自动化，提高运行效率的同时也能够降低人力成本。本设计主要针对房屋中介公司建立一个简单应用系统。

1 需求分析

房屋中间管理系统主要的是：
（1）房主能够发布房屋信息，并能够对房屋信息进行修改和删除；
（2）租房顾客能够查询房屋信息，请求看房，并确定租房完成租房交易。

话不多说直接上代码：

主函数：调用创建的各种类和方法

#include"deal.h"
#include"house.h"
#include"house_owner.h"
#include"look_house.h"
#include"staff.h"
#include"tenant.h"
#include <iostream>
#include<string>
#include<cstring>
#include<cstdio>
#include<algorithm>
#include<fstream>
#include<iomanip>
static int kk = 100;
using namespace std;
class customer_information :public house_owner, public tenant {                  //派生租房者类及房主类的子类
public:void display() {                                                       //输出客户信息dis_information();cout << endl << endl;dis_tenant();}bool find(string a,char *b);                                      //判断登录密码是否正确void amend();                                                   //修改密码};bool customer_information::find(string a,char *b) {                                   //判断用户登录密码是否正确if (findt(a, b,0) || findh(a, b,0)) {return true;}else return false;
}void customer_information::amend() {                                           //修改用户密码system("cls");string a;char  b[20];;cout << "请输入你的用户名："; cin >> a;cout << "请输入你的原密码："; cin >> b;customer_information s;while (!s.find(a, b)) {cout << "用户名或密码错误！" << endl;cout << "请重新输入用户名："; cin >> a;cout << "请重新输入密码："; cin >> b;}cout << "请输入你要修改的密码："; cin >> b;if (s.findh(a, b, 1) || s.findt(a, b, 1)) {cout << "修改成功！" << endl;   }system("pause");
}void code_file_Read() {                                     //设置系统使用者密码，第一次使用系统时设置，录入第一位管理者char code[20];char temp[20];ifstream fin("code.dat");system("cls");int k = 0;while (fin >> code) {k++;}if (k == 0) {cout << "检测到第一次使用系统，请先设置系统密码：";ofstream fout("code.dat");if (!fout) {cout << "打开code.dat文件失败！" << endl;abort();}cin >> code;fout << code << "\n";                         //写入密码文件cout << "密码设置成功！" << endl;system("pause");fin.close();fout.close();return;}fin.close();
} void code_file_delete(){                                                              //修改系统管理者密码char code[20];char temp[20];ifstream fin("code.dat");if (!fin) {cout << "打开文件code.dat失败！" << endl;abort();}fin >> code;cout << "请输入原密码：";do {cin >> temp;if (strcmp(temp, code) == 0) {ofstream fout("code.dat");if (!fout) {cout << "打开code.dat文件失败！" << endl;abort();}cout << "请输入新密码：";cin >> code;fout << code << "\n";cout << "设置成功！";fin.close();fout.close();system("pause");return;}else {cout << "密码错误，请重新输入原密码：";cin >> temp;}} while (1);
}int main_menu() {                                           //管理员登录之后界面int chioce;system("cls");cout << "1:客户管理\n";cout << "2:房源管理\n";cout << "3:员工管理\n";cout << "4:查看交易信息\n";cout << "5:修改密码\n";cout << "6.查看佣金\n";cout << "7.看房信息管理\n";cout << "0:退出\n";cout << "请输入选择：";cin >> chioce;while (chioce < 0 || chioce>7) {cout << "请重新选择：";cin >> chioce;}return chioce;
}void add_customer() {                                        //添加客户信息int chioce;house_owner s1;tenant s;do {system("cls");cout << "1.添加租房者客户信息" << endl;cout << "2.添加房主客户信息" << endl;cout << "0.返回" << endl;cout << "请输入你的选择：";cin >> chioce;while (chioce > 2 || chioce < 0) {cout << "请重新输入你的选择：" << endl;cin >> chioce;}switch (chioce) {case 1:s.get_tenant();break;case 2:s1.get_information();break;case 0:break;}} while (chioce != 0);system("pause");
}void delete_customer() {                                                 //删除客户信息int chioce;tenant s;house_owner s1;do {system("cls");cout << "1.删除租房者客户信息" << endl;cout << "2.删除房主客户信息" << endl;cout << "0.返回" << endl;cout << "请输入你的选择：";cin >> chioce;while (chioce > 2 || chioce < 0) {cout << "请重新输入你的选择：" << endl;cin >> chioce;}switch (chioce) {case 1:s.delete_tenant();break;case 2:s1.delete_information();break;case 0:break;}system("pause");} while (chioce != 0);}void modify_customer() {                                                //修改客户信息int chioce;tenant s;house_owner s1;do {system("cls");cout << "1.修改租房者客户信息" << endl;cout << "2.修改房主客户信息" << endl;cout << "0.返回" << endl;cout << "请输入你的选择：";cin >> chioce;while (chioce > 2 || chioce < 0) {cout << "请重新输入你的选择：" << endl;cin >> chioce;}switch (chioce) {case 1:s.amend_tenant();break;case 2:s1.amend_information();break;}system("pause");} while (chioce != 0);
}void query_customer() {                                        //查询客户信息int chioce;tenant s;house_owner s1;do {system("cls");cout << "1.查询租房者客户信息" << endl;cout << "2.查询房主客户信息" << endl;cout << "0.返回" << endl;cout << "请输入你的选择：";cin >> chioce;while (chioce > 2 || chioce < 0) {cout << "请重新输入你的选择：" << endl;cin >> chioce;}switch (chioce) {case 1:s.find_tenant();break;case 2:s1.find_information();break;case 0:break;}} while (chioce != 0);
}int Customer_management() {                                      //管理客户的功能函数int chioce;customer_information s;do {system("cls");cout << "1.显示客户信息" << endl;cout << "2.添加客户" << endl;cout << "3.删除客户" << endl;cout << "4.修改客户信息" << endl;cout << "5.查询客户信息" << endl;cout << "0.返回" << endl;cout << "请输入你的选择：";cin >> chioce;while (chioce < 0 || chioce>5) {cout << "请重新选择：";cin >> chioce;}switch (chioce) {                                    case 1:s.display();break;case 2:add_customer();break;case 3:delete_customer();break;case 4:modify_customer();break;case 5:query_customer();break;case 0:break;}} while (chioce != 0);return chioce;
}void housing_management() {                                            //房源管理信息int chioce;house s;do {system("cls");cout << "1.显示房屋信息" << endl;cout << "2.添加房屋信息" << endl;cout << "3.删除房屋信息" << endl;cout << "4.修改房屋信息" << endl;cout << "5.查询房屋信息" << endl;cout << "0.返回" << endl;cout << "请输入你的选择：";cin >> chioce;while (chioce < 0 || chioce>5) {cout << "请重新输入你的选择:";cin >> chioce;}switch (chioce) {case 1:s.dis_house();break;case 2:s.get_house();break;case 3:s.delete_house();break;case 4:s.amend_house();break;case 5:s.find_house();break;case 0: break;}} while (chioce != 0);
}void staff_management() {                                             //员工信息管理界面int chioce;staff s;do {system("cls");cout << "1.显示员工信息" << endl;cout << "2.添加员工信息" << endl;cout << "3.删除员工信息" << endl;cout << "4.修改员工信息" << endl;cout << "5.查询员工信息" << endl;cout << "0.返回" << endl;cout << "请输入你的选择：";cin >> chioce;while (chioce < 0 || chioce>5) {cout << "请重新输入你的选择:";cin >> chioce;}switch (chioce) {case 1:s.dis_staff();break;case 2:s.get_staff();break;case 3:s.delete_staff();break;case 4:s.amend_staff();break;case 5:s.find_staff();break;case 0: break;}} while (chioce != 0);system("pause");
}void trader() {                                                 //交易信息管理界面int chioce;deal s;system("cls");do {system("cls");cout << "1.显示交易信息" << endl;cout << "2.添加交易信息" << endl;cout << "3.删除交易信息" << endl;cout << "4.查询交易信息" << endl;cout << "0.返回" << endl;cout << "请输入你的选择：";cin >> chioce;while (chioce < 0 || chioce>5) {cout << "请重新输入你的选择:";cin >> chioce;}switch (chioce) {case 1:s.dis_deal();break;case 2:s.get_deal();break;case 3:s.delete_deal();break;case 4:s.find_deal();break;}} while (chioce != 0);system("pause");
}void rental() {                                                              //用户租赁房屋cout << "请选择你要租赁得房屋编号：";char a[20];cin >> a;house s;deal s1;float b=s.amend_status(a);s1.auto_deal(b);cout << "租赁成功！" << endl;system("pause");
}void UI() {system("cls");int chioce;int n = 1;do {cout << "请输入用户名：";char a[20]; cin >> a;cout << "请输入密码：";char b[20]; cin >> b;customer_information s;while (!s.find(a, b)) {cout << "请重新输入用户名："; cin >> a;cout << "请重新输入密码："; cin >> b;}if (s.find(a, b)) {n = 0;cout << "登录成功！" << endl;system("pause");}} while (n);system("cls");house s;look_house sss;customer_information ss;do {system("cls");cout << "1.显示房屋信息" << endl;cout << "2.租赁房屋" << endl;cout << "3.实地看房" << endl;cout << "4.修改密码" << endl;cout << "0.返回" << endl;cout << "请输入你的选择：";cin >> chioce;switch (chioce) {case 1:s.dis_house();break;case 2:s.dis_house();rental();break;case 3:s.dis_house();sss.get_look();break;case 4:ss.amend();break;}} while (chioce);
}bool login_management() {bool m = false;system("cls");char code[20];char temp[20];ifstream fin("code.dat");if (!fin) {cout << "打开文件code.dat失败！" << endl;abort();}int chioce = 1;fin >> code;fin.close();cout << "请输入密码：";cin >> temp;do {if (strcmp(code, temp) == 0) { m = true; chioce = 0; }else { cout << "密码错误！请重新输入："; cin >> temp; }} while (chioce);return m;
}void look_look() {look_house s;int chioce = 1;do {system("cls");cout << "1.显示看房信息\n";cout << "2.修改看房信息\n";cout << "3.删除看房信息\n";cout << "4.查询看房信息\n";cout << "0.返回\n";cout << "请输入你的选择：";cin >> chioce;while (chioce > 4 || chioce < 0) {cout << "请重新输入你的选择：";cin >> chioce;}switch (chioce) {case 1:s.dis_look();break;case 2:s.amend_look();break;case 3:s.delete_look();break;case 4:s.find_look();break;}} while (chioce);
}void chioces(int chioce) {system("cls");deal s;switch (chioce) {case 1:Customer_management();break;case 2:housing_management();break;case 3:staff_management();break;case 4:trader();break;case 5:code_file_delete();break;case 6:cout << "总佣金收入：" << s.brokerage() << endl;system("pause");break;case 7:look_look();break;case 0:break;}}void sign_in() {                                       //注册函数system("cls");string name;                //租房者姓名 char password[20];          //租房者密码 string sex;                 //租房者性别 char phone[20];             //租房者电话号码 string profession;           //租房者职业 cout << "请输入你的用户名："; cin >> name;cout << "请设置你的密码:"; cin >> password;cout << "请输入你的性别："; cin >> sex;cout << "请输入你的电话号码："; cin >> phone;cout << "请输入你的职业："; cin >> profession;ofstream fout("tenant.txt", ios::app);if (!fout) {cout << "打开文件tenant.txt失败！" << endl;abort();}kk = kk + 1;fout << kk << " " << name << " " << password << " " << sex << " " << phone << " " << profession << "\n";fout.close();cout << "注册成功！" << endl;system("pause");
}int main()
{int flag = true;int chioce;code_file_Read();while (flag){system("cls");cout << endl;cout << endl;cout << endl;cout << setw(60) << "        欢迎进入房屋租赁系统          " << endl;cout << endl;cout << endl;cout << endl;cout << setw(60) << "  ══════════════════" << endl;cout << setw(60) << "║                                    ║" << endl;cout << setw(60) << "║                                    ║" << endl;cout << setw(60) << "║           管理员登录(1)：          ║" << endl;cout << setw(60) << "║                                    ║" << endl;cout << setw(60) << "║                                    ║" << endl;cout << setw(60) << "║            用户登录(2)：           ║" << endl;cout << setw(60) << "║                                    ║" << endl;cout << setw(60) << "║                                    ║" << endl;cout << setw(60) << "║              注册(3)               ║" << endl;cout << setw(60) << "║                                    ║" << endl;cout << setw(60) << "║                                    ║" << endl;cout << setw(60) << "║            退出系统(4)：           ║" << endl;cout << setw(60) << "║                                    ║" << endl;cout << setw(60) << "║                                    ║" << endl;cout << setw(60) << "  ══════════════════" << endl;cout << endl;cout << endl;cout << endl;cout << setw(54) << "请输入您接下来的操作(1-4)：";int t;cin >> t;while (t < 1 || t>4) {cout << setw(54) << "请重新输入您的操作（1-4）：";cin >> t;}switch (t){case 1:if (login_management()) {do {chioce = main_menu();chioces(chioce);} while (chioce);}break;case 2:UI();break;case 3:sign_in();break;case 4: flag = false; break;}}return 0;}

交易类：

#pragma once
#include<iostream>
#include<string>
using namespace std;
class deal {                        //交易信息类
public:deal();void get_deal();                //交易信息的录入void dis_deal();               //交易信息的输出void delete_deal();             //交易信息的删除void find_deal();                //信息查询void auto_deal(float a);                //自动生成交易信息double brokerage();                     //记录佣金,返回佣金friend ofstream& operator<<(ofstream& out, deal stu);
private:char deal_number[20];          //交易信息编号float deal_money;              //交易金额time_t deal_creation_time;      //记录交易的时间  static int bianhao;                  //交易编号               
};

交易的实现

#include "deal.h"
#include<iostream>
#include<fstream>
#include<Windows.h>
#include<iomanip>
#include<time.h>
#include<string>
#include<cstring>
using namespace std;
int deal::bianhao = 50;
deal::deal() {strcpy_s(deal_number, "0");deal_money = 0;deal_creation_time = '0';
}ofstream& operator<<(ofstream& out, deal stu) {                 //重载流插入运算符out << stu.deal_number << " ";out << stu.deal_money << " ";out << stu.deal_creation_time << "\n";return out;
}void deal::get_deal() {                                               system("cls");ofstream fout("deal.txt", ios::app);if (!fout) {cout << "打开文件deal.txt失败！" << endl;abort();}cout << "请输入交易编号："; cin >> deal_number; fout << deal_number << " ";cout << "请输入交易金额："; cin >> deal_money; fout << deal_money << " ";deal_creation_time=time(NULL); fout << deal_creation_time << "\n";cout << "录入成功！" << endl;system("pause");fout.close();
}void deal::dis_deal() {                                                   //编号排序输出-冒泡排序system("cls");ifstream fin("deal.txt");if (!fin) {cout << "打开文件deal.txt失败！" << endl;abort();}cout << setw(10) << "交易编号" << setw(10) << "交易金额" << setw(15) << "收取的中介费" << setw(20) << "交易时间" << endl;deal stu[205];int n = 0;while (fin >> stu[n].deal_number >> stu[n].deal_money >> stu[n].deal_creation_time) {n++;}fin.close();for (int j = 0; j < n; j++) {for (int k = 0; k < n - j - 1; k++) {if (strcmp(stu[k].deal_number,stu[k + 1].deal_number)>0) {deal temp1 = stu[k];stu[k] = stu[k + 1];stu[k + 1] = temp1;}}}for (int i = 0; i < n; i++) {cout << setw(10) << stu[i].deal_number << setw(10) << stu[i].deal_money << setw(15) << stu[i].deal_money * 0.05 << setw(20) << stu[i].deal_creation_time << endl;}system("pause");
}
void deal::delete_deal() {                                                  //删除交易信息system("cls");cout << "请输入你要删除的交易编号：";char temp[20];cin >> temp;deal str[205];ifstream fin("deal.txt");if (!fin) {cout << "打开文件deal.txt失败！" << endl;abort();}int n = 0;while (!fin.eof()) {fin >> str[n].deal_number >> str[n].deal_money >> str[n].deal_creation_time;n++;}n = n - 1;                                         //eof()到文件末尾会多循环一次来判断文件末尾，所以n多加了一次，这里减去fin.close();ofstream fout("deal.txt");if (!fout) {cout << "打开文件deal.txt失败！" << endl;abort();}int k = 0;bool l = true;for (int i = 0; i < n; i++) {if (strcmp(str[i].deal_number, temp) == 0) {k = i;l = false;break;}}if (l) {for (int i = 0; i < n ; i++) {fout << str[i] << "\n";}cout << "此编号的交易信息不存在！删除失败！" << endl;}else {for (int i = k; i < n - 1; i++) {str[i] = str[i + 1];}for (int i = 0; i < n - 1; i++) {fout << str[i] << "\n";}cout << "删除成功！" << endl;}system("pause");fout.close();
}void deal::find_deal() {                                             //查找交易信息system("cls");cout << "请输入你想查找的交易信息编号" << endl;char temp[20];cin >> temp;bool k = true;ifstream fin("deal.txt");if (!fin) {cout << "打开文件deal.txt失败！" << endl;abort();}deal stu[205];int n = 0;while (fin >> stu[n].deal_number >> stu[n].deal_money >> stu[n].deal_creation_time) {n++;}fin.close();do {for (int i = 0; i < n; i++) {if (strcmp(stu[i].deal_number, temp) == 0) {cout << setw(10) << "交易编号" << setw(10) << "交易金额" << setw(15)<<"收取的中介费" << setw(20) << "交易时间" << endl;cout << setw(10) << stu[i].deal_number << setw(10) << stu[i].deal_money << setw(15) << stu[i].deal_money * 0.05 << setw(20) << stu[i].deal_creation_time << endl;k = false;break;}}if (k) {cout << "该编号交易信息不存在！请重新输入交易信息编号:";cin >> temp;}} while (k);system("pause");
}void deal::auto_deal(float a) {                         //增加交易信息ofstream fout("deal.txt", ios::app);if (!fout) {cout << "打开deal.txt失败！" << endl;abort();}bianhao += 1;SYSTEMTIME s;GetLocalTime(&s);fout << bianhao << " " << a  << " " << s.wYear << s.wMonth << s.wDay << "\n";cout << setw(10) << "交易编号" << setw(10) << "交易金额" << setw(15) << "交易时间" << endl;cout << setw(10) << bianhao << setw(10) << a << setw(15) << s.wYear <<"-"<< s.wMonth << "-" << s.wDay << endl;fout.close();
}double deal::brokerage() {                                //返回佣金值ifstream fin("deal.txt");if (!fin) {cout << "打开文件deal.txt失败！" << endl;abort();}deal stu[105];int n = 0;double sum = 0;while (fin >> stu[n].deal_number >> stu[n].deal_money >> stu[n].deal_creation_time) {n++;}fin.close();for (int i = 0; i < n; i++) {sum += stu[i].deal_money * 0.05;}cout << "共租赁出" << n << "套房屋." << endl;return sum;
}

房屋类：主要管理房屋信息

#pragma once
#include<iostream>
#include<string>
using namespace std;
class house {                           //房屋类
public: house();friend ofstream& operator<<(ofstream& out,house stu);         //重载插入运算符void get_house();                                             //用于房屋信息录入采集void dis_house();                                             //用于房屋信息输出void delete_house();                                                //房屋信息删除void find_house();                                             //信息查询void amend_house();                                            //修改信息float amend_status(char* a);                                   //修改房屋状态
private:char house_number[20];           //房屋编号 string building_site;             //房屋地点 float house_area;                //房屋面积 string house_type;               //房屋户型 float house_price;               //房屋价格 string house_status;             //房屋出租状态 
};

房屋类的实现：

#include "house.h"
#include<iostream>
#include<fstream>
#include<string>
#include<cstring>
#include<iomanip>
using namespace std;
house::house() {strcpy_s(house_number, "0");house_area = 0;house_type = '0';house_price = 0;house_status = '0';building_site = '0';
}ofstream& operator <<(ofstream& out,house stu) {out << stu.house_number << " ";out << stu.building_site << " ";out << stu.house_area << " ";out << stu.house_type << " ";out << stu.house_price << " ";out << stu.house_status << "\n";return out;
}
void house::get_house() {                                          //录入房屋信息system("cls");ofstream fout("house.txt", ios::app);if (!fout) {cout << "打开文件house.txt失败！" << endl;abort();}cout << "请输入房屋编号："; cin >> house_number; fout << house_number << " ";                             //输入房屋编号，并将数据录入文件cout << "请输入房屋地址："; cin >> building_site; fout << building_site << " ";                            //输入房屋地址cout << "请输入房屋面积(m^2)："; cin >> house_area; fout << house_area << " ";                          //输入房屋面积cout << "请输入房屋户型："; cin >> house_type; fout << house_type << " ";                               //输入房屋户型cout << "请输入房屋价格(元)："; cin >> house_price; fout << house_price << " ";                       //输入房屋价格cout << "请输入房屋的出租状态(Y/N)："; cin >> house_status; fout << house_status << "\n";              //输入房屋出租状态fout.close();                                                                                       cout << "添加成功！" << endl;system("pause");
}void house::dis_house() {                                           //以编号排序输出-冒泡排序system("cls");ifstream fin("house.txt");if (!fin) {cout << "打开文件house.txt失败！" << endl;abort();}cout << setw(10) << "房屋编号" << setw(25) << "房屋地址" << setw(10) << "房屋面积（m^2）" << setw(10) << "房屋户型" << setw(10) << "房屋价格(元)"<<setw(15)<<"状态(Y为未出售，N为出售)" << endl;house stu[105];int n = 0;while (fin >> stu[n].house_number >> stu[n].building_site >> stu[n].house_area >> stu[n].house_type >> stu[n].house_price >> stu[n].house_status) {n++;}house temp1;fin.close();for (int j = 0; j < n-1; j++) {for (int k = 0; k < n - j - 1; k++) {if (strcmp(stu[k].house_number,stu[k + 1].house_number)>0) {temp1 = stu[k];stu[k] = stu[k + 1];stu[k + 1] = temp1;}}}for (int i = 0; i < n; i++) {cout << setw(10) << stu[i].house_number << setw(25) << stu[i].building_site << setw(10) << stu[i].house_area << setw(10) << stu[i].house_type << setw(10) << stu[i].house_price << setw(15) << stu[i].house_status << endl;}system("pause");
}void house::delete_house() {                                   //删除房屋信息system("cls");cout << "请输入你要删除的房屋编号：";char temp[20];cin >> temp;house str[105];ifstream fin("house.txt");if (!fin) {cout << "打开文件house.txt失败！" << endl;abort();}int n = 0;while (!fin.eof()) {fin >> str[n].house_number >> str[n].building_site >> str[n].house_area >> str[n].house_type >> str[n].house_price >> str[n].house_status;n++;}n = n - 1;                                //eof()到文件末尾会多循环一次来判断文件末尾，所以n多加了一次，这里减去fin.close();int k = 0;bool l = true;for (int i = 0; i < n; i++) {if (strcmp(str[i].house_number, temp)==0) {k = i;l = false;break;}}if (l) cout << "此编号的房屋不存在！删除失败！" << endl;else {ofstream fout("house.txt");if (!fout) {cout << "打开文件house.txt失败！" << endl;abort();}for (int i = k; i < n - 1; i++) {str[i] = str[i + 1];}for (int i = 0; i < n - 1; i++) {fout << str[i] << "\n";}cout << "删除成功！" << endl;fout.close();}system("pause");
}void house::find_house() {                                               //查找房屋信息system("cls");cout << "请输入你想查找房屋的编号" << endl;char temp[20];cin >> temp;bool k = true;ifstream fin("house.txt");if (!fin) {cout << "打开文件house.txt失败！" << endl;abort();}house stu[105];int n = 0;while (fin >> stu[n].house_number >> stu[n].building_site >> stu[n].house_area >> stu[n].house_type >> stu[n].house_price >> stu[n].house_status) {   //从文件提取信息n++;}fin.close();do {for (int i = 0; i < n; i++) {if (strcmp(stu[i].house_number, temp) == 0) {                          //判断信息是否存在，存在则输出该信息cout << setw(10) << "房屋编号" << setw(25) << "房屋地址" << setw(10) << "房屋面积（m^2）" << setw(10) << "房屋户型" << setw(10) << "房屋价格(元)" << setw(15) << "状态(Y为未出售，N为出售)" << endl;cout << setw(10) << stu[i].house_number << setw(25) << stu[i].building_site << setw(10) << stu[i].house_area << setw(10) << stu[i].house_type << setw(10) << stu[i].house_price << setw(15) << stu[i].house_status << endl;k = false;break;}}if (k) {cout << "该编号房屋不存在！请重新输入房屋编号:";cin >> temp;}} while (k);system("pause");
}void house::amend_house() {                                                //修改房屋信息system("cls");cout << "请选择你要修改的房屋信息编号：";char temp[20];cin >> temp;ifstream fin("house.txt");if (!fin) {cout << "打开文件house.txt失败！" << endl;abort();}house stu[105];int n = 0;while (fin >> stu[n].house_number >> stu[n].building_site >> stu[n].house_area >> stu[n].house_type >> stu[n].house_price >> stu[n].house_status) {n++;}fin.close();int k = 0;for (int i = 0; i < n; i++) {if (strcmp(stu[i].house_number, temp) == 0) {k = i;break;}}cout << "你要修改的房屋信息为：" << endl;cout << setw(10) << "房屋编号" << setw(25) << "房屋地址" << setw(10) << "房屋面积（m^2）" << setw(10) << "房屋户型" << setw(10) << "房屋价格(元)" << setw(15) << "状态(Y为未出售，N为出售)" << endl;cout << setw(10) << stu[k].house_number << setw(25) << stu[k].building_site << setw(10) << stu[k].house_area << setw(10) << stu[k].house_type << setw(10) << stu[k].house_price << setw(15) << stu[k].house_status << endl;int ch;do {system("cls");cout << "1.房屋地点" << endl;cout << "2.房屋面积" << endl;cout << "3.房屋户型" << endl;cout << "4.房屋价格" << endl;cout << "5.房屋出租状态" << endl;cout << "0：返回" << endl;cin >> ch;string s;float a;switch (ch) {case 1:			cout << "请输入你要修改的内容:";cin >> s;stu[k].building_site = s;break;case 2:cout << "请输入你要修改的内容：";cin >> a;stu[k].house_area = a;break;case 3:cout << "请输入你要修改的内容：";cin >> s;stu[k].house_type = s;break;case 4:cout << "请输入你要修改的内容：";cin >> a;stu[k].house_price = a;break;case 5:		cout << "请输入你要修改的内容：";cin >> s;stu[k].house_status = s;break;case 0:break;}cout << "修改成功！" << endl;system("pause");} while (ch);ofstream fout("house.txt");for (int i = 0; i < n - 1; i++) {fout << stu[i] << "\n";}fout.close();system("pause");
}float house::amend_status(char *a) {                              //修改房屋状态ifstream fin("house.txt");if (!fin) {cout << "打开文件house.txt失败！" << endl;abort();}house stu[105];int n = 0;while (fin >> stu[n].house_number >> stu[n].building_site >> stu[n].house_area >> stu[n].house_type >> stu[n].house_price >> stu[n].house_status) {n++;}fin.close();int k = 0;for (int i = 0; i < n; i++) {if (strcmp(stu[i].house_number, a) == 0) {k = i;break;}}stu[k].house_status = 'N';ofstream fout("house.txt");for (int i = 0; i < n; i++) {fout << stu[i] << "\n";}fout.close();return stu[k].house_price;
}

房主信息：管理房屋主人的信息

#pragma once
#include<iostream>
#include<string>
using namespace std;
class  house_owner {                               //房主信息类 
public:house_owner();house_owner(const house_owner& s);                      //拷贝构造函数void get_information();                         //录入房主信息void dis_information();                       //输出房主信息void delete_information();                    //删除房主信息void find_information();                        //信息查询void amend_information();                      //修改信息bool findh(string a, char* b,int c);             //用户登录查找friend ofstream& operator<<(ofstream& out, house_owner stu);
private:char house_owner_number[20];             //编号 string name;               //房主名 char password[20];         //密码 string sex;                //性别char phone[20];            //电话string address;            //家庭住址
};

房主的实现：

#include "house_owner.h"
#include<iostream>
#include<fstream>
#include<iomanip>
#include<string>
#include<cstring>
#include<algorithm>
using namespace std;
house_owner::house_owner() {strcpy_s(house_owner_number, "0");name = '0';strcpy_s(password, "0");sex = '0';strcpy_s(phone, "0");address = '0';
}house_owner::house_owner(const house_owner& s){                            //拷贝构造函数strcpy_s(house_owner_number,s.house_owner_number);             name=s.name;               strcpy_s(password, s.password);sex=s.sex;               strcpy_s(phone, s.phone);address=s.address;
}ofstream& operator <<(ofstream& out, house_owner stu) {out << stu.house_owner_number << " ";out << stu.name << " ";out << stu.password << " ";out << stu.sex << " ";out << stu.phone << " ";out << stu.address << "\n";return out;
}void house_owner::get_information() {                                       //输入房主信息类容，存储进文件system("cls");ofstream fout("house_owner.dat",ios::app);if (!fout) {cout << "打开文件house_owner.dat失败！" << endl;abort();}cout << "请输入房主信息：" << endl;cout << "请输入房主编号："; cin >> house_owner_number; fout << house_owner_number << " ";cout << "请输入房主名："; cin >> name; fout << name << " ";cout << "请输入用户密码:"; cin >> password; fout << password << " ";cout << "请输入用户性别："; cin >> sex; fout << sex << " ";cout << "请输入用户电话号码："; cin >> phone; fout << phone << " ";cout << "请输入家庭住址："; cin >> address; fout << address << "\n";fout.close();
}void house_owner::dis_information() {                                          //以编号从小到大进行输出房主信息-冒泡排序system("cls");cout << setw(10) << "房主编号" << setw(10) << "房主姓名" << setw(10) << "性别" << setw(15) << "电话号码" << setw(15) << "家庭住址" << endl;ifstream fin("house_owner.dat");if (!fin) {cout << "打开文件house_owner.dat失败！" << endl;abort();}house_owner stu[105];int n = 0;while (fin >> stu[n].house_owner_number >> stu[n].name >> stu[n].password >> stu[n].sex >> stu[n].phone >> stu[n].address){             //eof()会多读一行导致数据出错n++;} fin.close();house_owner temp1;for (int j = 0; j < n-1; j++) {for (int k = 0; k < n - j - 1; k++) {if (strcmp(stu[k].house_owner_number,stu[k + 1].house_owner_number)>0) {temp1 = stu[k];stu[k] = stu[k + 1];stu[k + 1] = temp1;}}}for(int i=0;i<n;i++)cout << setw(10) << stu[i].house_owner_number << setw(10) << stu[i].name << setw(10) << stu[i].sex << setw(15) << stu[i].phone << setw(15) << stu[i].address << endl;
}void house_owner::delete_information(){                                    //删除房主信息system("cls");house_owner stu[105];ifstream fin("house_owner.dat");if (!fin) {cout << "打开house_owner.dat失败！" << endl;abort();}int n = 0;cout << "请输入你要删除的房主编号：";char temp[20];cin >> temp;while (!fin.eof()) {fin >> stu[n].house_owner_number >> stu[n].name >> stu[n].password >> stu[n].sex >> stu[n].phone >> stu[n].address;n++;}n = n - 1;                                          //eof()到文件末尾会多循环一次来判断文件末尾，所以n多加了一次，这里减去fin.close();bool l = true;int k = 0;for (int i = 0; i < n; i++) {if (strcmp(stu[i].house_owner_number, temp)==0) {k = i;l = false;break;}}if (l) cout << "此编号的房主不存在！删除失败！" << endl;else {for (int i = k; i < n - 1; i++) {stu[i] = stu[i + 1];}ofstream fout("house_owner.dat");if (!fout) {cout << "打开文件house_owner.dat失败！" << endl;abort();}for (int i = 0; i < n - 1; i++) {fout << stu[i] << "\n";}cout << "删除成功！" << endl;fout.close();}system("pause");
}void house_owner::find_information() {                                       //查找房主信息system("cls");cout << "请输入你想查找房主的编号" << endl;char temp[20];cin >> temp;bool k = true;ifstream fin("house_owner.dat");if (!fin) {cout << "打开文件house_owner.dat失败！" << endl;abort();}house_owner stu[105];int n = 0;while (fin >> stu[n].house_owner_number >> stu[n].name >> stu[n].password >> stu[n].sex >> stu[n].phone >> stu[n].address) {n++;}fin.close();do {for (int i = 0; i < n; i++) {if (strcmp(stu[i].house_owner_number, temp) == 0) {cout << setw(10) << "房主编号" << setw(10) << "房主姓名" << setw(10) << "性别" << setw(15) << "电话号码" << setw(15) << "家庭住址" << endl;cout << setw(10) << stu[i].house_owner_number << setw(10) << stu[i].name << setw(10) << stu[i].sex << setw(15) << stu[i].phone << setw(15) << stu[i].address << endl;k = false;break;}}if (k) {cout << "该编号房主不存在！请重新输入房主编号:";cin >> temp;}} while (k);system("pause");
}void house_owner::amend_information() {                                           //修改房主信息system("cls");cout << "请选择你要修改的房主信息编号：";char temp[20];cin >> temp;ifstream fin("house_owner.dat");if (!fin) {cout << "打开文件house_owner.dat失败！" << endl;abort();}house_owner stu[105];int n = 0;while (fin >> stu[n].house_owner_number >> stu[n].name >> stu[n].password >> stu[n].sex >> stu[n].phone >> stu[n].address) {n++;}fin.close();bool k = true;for (int i = 0; i < n; i++) {if (strcmp(stu[i].house_owner_number, temp) == 0) {k = false;break;}}if (k) { cout << "编号错误！" << endl; return; }cout << "你要修改的房主信息为：" << endl;cout << setw(10) << "房主编号" << setw(10) << "房主姓名" << setw(10) << "性别" << setw(15) << "电话号码" << setw(15) << "家庭住址" << endl;cout << setw(10) << stu[k].house_owner_number << setw(10) << stu[k].name << setw(10) << stu[k].sex << setw(15) << stu[k].phone << setw(15) << stu[k].address << endl;int ch;do {cout << "1.电话" << endl;cout << "2.家庭住址" << endl;cout << "0：返回" << endl;cout << "请输入你的选择：";cin >> ch;char s[20];string a;while (ch > 2 || ch < 0) {cout << "请重新输入你的选择：";cin >> ch;}switch (ch) {case 1:cout << "请输入你要修改的内容:";cin >> s;strcpy_s(stu[k].phone, s);break;case 2:cout << "请输入你要修改的内容：";cin >> a;stu[k].address = a;break;}cout << "修改成功！" << endl;system("pause");} while (ch);ofstream fout("house_owner.dat");if (!fout) {cout << "打开文件house_owner.dat失败!" << endl;abort();}for (int i = 0; i < n - 1; i++) {fout << stu[i] << "\n";}fout.close();
}bool house_owner::findh(string a, char* b,int c) {                                           //判断密码正误以及修改密码ifstream fin("house_owner.dat");if (!fin) {cout << "打开文件house_owner.dat失败！" << endl;abort();}house_owner stu[105];int n = 0;while (fin >> stu[n].house_owner_number >> stu[n].name >> stu[n].password >> stu[n].sex >> stu[n].phone >> stu[n].address) {n++;}fin.close();if (c) {                                                                 //修改密码for (int i = 0; i < n; i++) {if (stu[i].name==a) {strcpy_s(stu[i].password, b);ofstream fout("house_owner.dat");if (!fout) {cout << "打开文件house_owner.dat失败！" << endl;abort();}for (int j = 0; j < n; j++) {fout << stu[j] << "\n";}fout.close();return true;}}}else {                                           //判断密码正误for (int i = 0; i < n; i++) {if (stu[i].name==a && strcmp(stu[i].password, b) == 0) {return true;}}}return false;
}

看房信息：存储有人想去实地看房的信息，预约等

#pragma once
#include<iostream>
#include<string>
using namespace std;
class look_house {                         //看房信息类
public:look_house();                           //构造函数void get_look();                         //看房信息录入void dis_look();                         //看房信息输出void delete_look();                      //看房信息删除void find_look();                        //信息查询void amend_look();                       //修改信息friend ofstream& operator <<(ofstream& out, look_house stu);
private:int Look_house_number;           //看房信息编号 string Look_house_time;                //看房日期string  Look_house_site;               //看房地点 string look_name;                   //看房人姓名string look_phone;                  //电话
};

看房信息的实现：

#include "look_house.h"
#include<iostream>
#include<algorithm>
#include<fstream>
#include<iomanip>
#include<string>
#include<cstring>
using namespace std;
look_house::look_house() {Look_house_number = 0;Look_house_site = '0';Look_house_time = '0';
}
ofstream& operator <<(ofstream& out, look_house stu) {out << stu.Look_house_number << " ";out << stu.Look_house_time << " ";out << stu.Look_house_site << "\n";return out;
}void look_house::get_look() {                           //看房信息的录入ofstream fout("look_house.txt", ios::app);if (!fout) {cout << "打开文件look_house.txt失败！" << endl;abort();}ifstream fin("look_house.txt");if (!fin) {cout << "打开文件look_house.txt失败！" << endl;abort();}int n = 0;int sum = 0;look_house stu[105];while (fin >> stu[n].Look_house_number >> stu[n].Look_house_time >> stu[n].Look_house_site>>stu[n].look_name>>stu[n].look_phone) {sum = max(sum, stu[n].Look_house_number);n++;}Look_house_number = sum+1 ;fout << Look_house_number << " ";cout << "请输入看房的时间："; cin >> Look_house_time; fout << Look_house_time << " ";cout << "请输入看房的地点："; cin >> Look_house_site; fout << Look_house_site << " ";cout << "请输入你的姓名："; cin >> look_name; fout << look_name << " ";cout << "请输入你的电话号码："; cin >> look_phone; fout << look_phone << "\n";fout.close();cout << "录入成功！" << endl;system("pause");
}  void look_house::dis_look() {system("cls");ifstream fin("look_house.txt");if (!fin) {cout << "打开文件look_house.txt失败！" << endl;abort();}cout << setw(10) << "看房的编号" << setw(15) << "看房时间" << setw(15) << "看房地点" << setw(15) << "看房者的姓名" <<setw(15)<< "电话号码" << endl;look_house stu[105];int n = 0;while (fin >> stu[n].Look_house_number >> stu[n].Look_house_time >> stu[n].Look_house_site>>stu[n].look_name>>stu[n].look_phone) {n++;}fin.close();for (int j = 0; j < n-1; j++) {for (int k = 0; k < n - j-1 ; k++) {if (stu[k].Look_house_number>stu[k + 1].Look_house_number) {look_house temp1 = stu[k];stu[k] = stu[k + 1];stu[k + 1] = temp1;}}}for (int i = 0; i < n; i++) {cout << setw(10) << stu[i].Look_house_number << setw(15) << stu[i].Look_house_time << setw(15) << stu[i].Look_house_site << setw(15) << stu[i].look_name <<setw(15) << stu[i].look_phone <<  endl;}system("pause");
}void look_house::delete_look(){system("cls");cout << "请输入你要删除看房信息编号：";int temp;cin >> temp;look_house stu[105];ifstream fin("look_house.txt");if (!fin) {cout << "打开文件look_house.txt失败！" << endl;abort();}int n = 0;while (!fin.eof()) {fin >> stu[n].Look_house_number >> stu[n].Look_house_time >> stu[n].Look_house_site >> stu[n].look_name >> stu[n].look_phone;n++;}n = n - 1;                                //eof()到文件末尾会多循环一次来判断文件末尾，所以n多加了一次，这里减去fin.close();bool l = true;int k = 0;for (int i = 0; i < n; i++) {if (stu[i].Look_house_number==temp) {k = i;l = false;break;}}if (l) cout << "此编号的看房信息不存在！删除失败！" << endl;else {ofstream fout("look_house.txt");if (!fout) {cout << "打开文件look_house.txt失败！" << endl;abort();}for (int i = k; i < n - 1; i++) {stu[i] = stu[i + 1];}for (int i = 0; i < n - 1; i++) {fout << stu[i] << "\n";}cout << "删除成功！" << endl;fout.close();}system("pause");}void look_house::find_look() {system("cls");cout << "请输入你想查找看房的编号" << endl;int temp;cin >> temp;bool k = true;ifstream fin("look_house.txt");if (!fin) {cout << "打开文件look_house.txt失败！" << endl;abort();}look_house stu[105];int n = 0;while (fin >> stu[n].Look_house_number >> stu[n].Look_house_time >> stu[n].Look_house_site >> stu[n].look_name >> stu[n].look_phone) {n++;}fin.close();do {for (int i = 0; i < n; i++) {if (stu[i].Look_house_number==temp) {cout << setw(10) << "看房的编号" << setw(15) << "看房时间" << setw(15) << "看房地点" << setw(15) << "看房者的姓名" << setw(15) << "电话号码" << endl;cout << setw(10) << stu[i].Look_house_number << setw(15) << stu[i].Look_house_time << setw(15) << stu[i].Look_house_site << setw(15) << stu[i].look_name << setw(15) << stu[i].look_phone << endl;k = false;break;}}if (k) {cout << "该编号看房信息不存在！请重新输入看房信息编号:";cin >> temp;}} while (k);system("pause");
}void look_house::amend_look() {system("cls");cout << "请输入你想修改的看房信息编号" << endl;int temp;cin >> temp;ifstream fin("look_house.txt");if (!fin) {cout << "打开文件look_house.txt失败！" << endl;abort();}look_house stu[105];int n = 0;while (fin >> stu[n].Look_house_number >> stu[n].Look_house_time >> stu[n].Look_house_site) {n++;}fin.close();int k = 0;for (int i = 0; i < n; i++) {if (stu[i].Look_house_number==temp) {k = i;break;}}cout << "你要修改的看房信息为：" << endl;cout << setw(10) << "看房的编号" << setw(15) << "看房时间" << setw(15) << "看房地点" << setw(15) << "看房者的姓名" << setw(15) << "电话号码" << endl;cout << setw(10) << stu[k].Look_house_number << setw(15) << stu[k].Look_house_time << setw(15) << stu[k].Look_house_site << setw(15) << stu[k].look_name << setw(15) << stu[k].look_phone << endl;int ch;do {system("cls");cout << "1.看房时间" << endl;cout << "2.看房地点" << endl;cout << "4.电话号码" << endl;cout << "4.电话号码" << endl;cout << "0：返回" << endl;cin >> ch;string s;switch (ch) {case 1:cout << "请输入你要修改的内容:";cin >> s;stu[k].Look_house_time = s;break;case 2:cout << "请输入你要修改的内容：";cin >> s;stu[k].Look_house_site = s;break;case 3:cout << "请输入你要修改的内容：";cin >> s;stu[k].look_name = s;break;case 4:cout << "请输入你要修改的内容：";cin >> s;stu[k].look_phone = s;break;case 0:break;}cout << "修改成功！" << endl;system("pause");} while (ch);ofstream fout("look_house.txt");if (!fout) {cout << "打开文件look_house.txt失败！" << endl;abort();}for (int i = 0; i < n - 1; i++) {fout << stu[i] << "\n";}fout.close();system("pause");
}

员工信息：存储中介公司的员工信息

#pragma once
#include<iostream>
#include<string>
using namespace std;
class staff
{
public:friend ofstream& operator<<(ofstream& out, staff stu);         //重载插入运算符void get_staff();                                             //用于员工信息录入采集void dis_staff();                                             //用于员工信息输出void delete_staff();                                                //员工信息删除void find_staff();                                    //员工信息查询void amend_staff();                                     //修改信息
private:char staff_number[20];                   //编号string staff_name;                        //姓名string staff_sex;                          //性别string staff_phone;                        //电话string staff_address;                    //家庭住址
};

员工信息类的实现：

#include "staff.h"
#include<iostream>
#include<fstream>
#include<iomanip>
#include<string>
#include<cstring>
#include<algorithm>
using namespace std;
ofstream& operator <<(ofstream& out, staff stu) {out << stu.staff_number << " ";out << stu.staff_name << " ";out << stu.staff_sex << " ";out << stu.staff_phone << " ";out << stu.staff_address << "\n";return out;
}void staff::get_staff() {                                       //输入房主信息类容，存储进文件system("cls");ofstream fout("staff.txt", ios::app);if (!fout) {cout << "打开文件staff.txt失败！" << endl;abort();}cout << "请输入员工信息：" << endl;cout << "请输入员工编号："; cin >> staff_number; fout << staff_number << " ";cout << "请输入员工姓名："; cin >> staff_name; fout << staff_name << " ";cout << "请输入员工性别："; cin >> staff_sex; fout << staff_sex << " ";cout << "请输入员工电话号码："; cin >> staff_phone; fout << staff_phone << " ";cout << "请输入员工家庭住址："; cin >> staff_address; fout << staff_address << "\n";cout << "录入成功！" << endl;fout.close();system("pause");
}void staff::dis_staff() {                         //输出员工信息system("cls");ifstream fin("staff.txt");if (!fin) {cout << "打开文件staff.txt失败！" << endl;abort();}cout << setw(10) << "员工编号" << setw(10) << "员工姓名" << setw(10) << "员工性别" << setw(15) << "员工电话" << setw(15) << "家庭地址" << endl;staff stu[105];int n = 0;while (fin >> stu[n].staff_number>>stu[n].staff_name>>stu[n].staff_sex>>stu[n].staff_phone>>stu[n].staff_address) {n++;}fin.close();staff temp1;for (int j = 0; j < n; j++) {for (int k = 0; k < n - j - 1; k++) {if (strcmp(stu[k].staff_number,stu[k + 1].staff_number)>0) {temp1 = stu[k];stu[k] = stu[k + 1];stu[k + 1] = temp1;}}}for (int i = 0; i < n; i++) {cout << setw(10) << stu[i].staff_number << setw(10) << stu[i].staff_name << setw(10) << stu[i].staff_sex << setw(15) << stu[i].staff_phone << setw(15) << stu[i].staff_address << endl;}system("pause");
}void staff::amend_staff() {                    //修改信息system("cls");cout << "请选择你要修改的员工信息编号：";char temp[20];cin >> temp;ifstream fin("staff.txt");if (!fin) {cout << "打开文件staff.txt失败！" << endl;abort();}staff stu[105];int n = 0;while (fin >> stu[n].staff_number >> stu[n].staff_name >> stu[n].staff_sex >> stu[n].staff_phone >> stu[n].staff_address) {n++;}fin.close();int k = 0;for (int i = 0; i < n; i++) {if (strcmp(stu[i].staff_number, temp) == 0) {k = i;break;}}cout << "你要修改的员工信息为：" << endl;cout << setw(10) << "员工编号" << setw(10) << "员工姓名" << setw(10) << "员工性别" << setw(15) << "员工电话" << setw(15) << "家庭地址" << endl;cout << setw(10) << stu[k].staff_number << setw(10) << stu[k].staff_name << setw(10) << stu[k].staff_sex << setw(15) << stu[k].staff_phone << setw(15) << stu[k].staff_address << endl;int ch;do {system("cls");cout << setw(10) << "1.电话" << endl;cout << setw(10) << "2.家庭住址" << endl;cout << setw(10) << "0：返回" << endl;cout << setw(10) << "请输入你的选择：";cin >> ch;string a;switch (ch) {case 1:cout << "请输入你要修改的内容:";cin >> a;stu[k].staff_phone = a;break;case 2:cout << "请输入你要修改的内容：";cin >> a;stu[k].staff_address = a;break;case 0:break;}cout << "修改成功！" << endl;system("pause");} while (ch);ofstream fout("staff.txt");if (!fout) {cout << "打开文件staff.txt失败!" << endl;abort();}for (int i = 0; i < n - 1; i++) {fout << stu[i] << "\n";}fout.close();system("pause");
}void staff::delete_staff() {                                     //删除员工信息system("cls");staff stu[105];ifstream fin("staff.txt");if (!fin) {cout << "打开staff.txt失败！" << endl;abort();}int n = 0;cout << "请输入你要删除的员工编号：";char temp[20];cin >> temp;while (!fin.eof()) {fin >> stu[n].staff_number >> stu[n].staff_name >> stu[n].staff_sex >> stu[n].staff_phone >> stu[n].staff_address;n++;}n = n - 1;                                          //eof()到文件末尾会多循环一次来判断文件末尾，所以n多加了一次，这里减去fin.close();bool l = true;int k = 0;for (int i = 0; i < n; i++) {if (strcmp(stu[i].staff_number, temp) == 0) {k = i;l = false;break;}}if (l) cout << "此编号的员工不存在！删除失败！" << endl;else {for (int i = k; i < n - 1; i++) {stu[i] = stu[i + 1];}ofstream fout("staff.txt");if (!fout) {cout << "打开文件staff.txt失败！" << endl;abort();}for (int i = 0; i < n - 1; i++) {fout << stu[i] << "\n";}cout << "删除成功！" << endl;fout.close();}system("pause");
}void staff::find_staff() {                 //查找员工信息system("cls");cout << "请输入你想查找员工的编号" << endl;char temp[20];cin >> temp;bool k = true;ifstream fin("staff.txt");if (!fin) {cout << "打开文件staff.txt失败！" << endl;abort();}staff stu[105];int n = 0;while (fin >> stu[n].staff_number >> stu[n].staff_name>> stu[n].staff_sex >> stu[n].staff_phone >> stu[n].staff_address) {n++;}fin.close();do {for (int i = 0; i < n; i++) {if (strcmp(stu[i].staff_number, temp) == 0) {cout << setw(10) << "员工编号" << setw(10) << "员工姓名" << setw(10) << "员工性别" << setw(15) << "员工电话" << setw(15) << "家庭地址" << endl;cout << setw(10) << stu[i].staff_number << setw(10) << stu[i].staff_name << setw(10) << stu[i].staff_sex << setw(15) << stu[i].staff_phone << setw(15) << stu[i].staff_address << endl;k = false;break;}}if (k) {cout << "该编号员工不存在！请重新输入房主编号:";cin >> temp;}} while (k);system("pause");
}

租房者的信息类：租房者想要租房等功能的实现

#pragma once
#include<iostream>
#include<string>
using namespace std;                          //租房者类
class tenant {
public:tenant();void get_tenant();                         //租房者的信息录入void dis_tenant();                         //租房者的信息输出void delete_tenant();                      //租房者的信息删除void find_tenant();                        //信息查询void amend_tenant();                       //修改信息friend ofstream& operator <<(ofstream& out, tenant stu);bool findt(string a, char* b,int c);             //用户登录查找private:char tenant_number[20];            //租房者编号 string tenant_name;                //租房者姓名 char tenant_password[20];          //租房者密码 string tenant_sex;                 //租房者性别 char tenant_phone[20];             //租房者电话号码 string profession;                 //租房者职业 
};

租房者的实现

#include "tenant.h"
#include<iostream>
#include<fstream>
#include<iomanip>
#include<string>
#include<cstring>
using namespace std;
tenant::tenant() {strcpy_s(tenant_number, "0");tenant_name = '0';strcpy_s(tenant_password, "0");tenant_sex = '0';strcpy_s(tenant_phone, "0");profession = '0';
}ofstream& operator <<(ofstream& out, tenant stu) {out << stu.tenant_number << " ";out << stu.tenant_name << " ";out << stu.tenant_password << " ";out << stu.tenant_sex << " ";out << stu.tenant_phone << " ";out << stu.profession << "\n";return out;
}void tenant::get_tenant() {                                             //录入信息ofstream fout("tenant.txt", ios::app);if (!fout) {cout << "打开文件tenant.txt失败！" << endl;abort();}cout << "请输入租房者编号："; cin >> tenant_number; fout << tenant_number << " ";cout << "请输入租房者姓名："; cin >> tenant_name; fout << tenant_name << " ";cout << "请输入密码："; cin >> tenant_password; fout << tenant_password << " ";cout << "请输入性别："; cin >> tenant_sex; fout << tenant_sex << " ";cout << "请输入电话："; cin >> tenant_phone; fout << tenant_phone << " ";cout << "请输入工作职业："; cin >> profession; fout << profession << "\n";fout.close();cout << "录入成功！" << endl;system("pause");
}void tenant::dis_tenant() {                                                   //输出信息ifstream fin("tenant.txt");if (!fin) {cout << "打开文件tenant.txt失败！" << endl;abort();}cout << setw(10) << "租房者编号" << setw(10) << "姓名" << setw(10) << "性别" << setw(15) << "电话号码" << setw(10) << "工作职业" << endl;tenant stu[205];int n = 0;while (fin >> stu[n].tenant_number >> stu[n].tenant_name >> stu[n].tenant_password >> stu[n].tenant_sex >> stu[n].tenant_phone >> stu[n].profession) {n++;}fin.close();for (int j = 0; j < n; j++) {for (int k = 0; k < n - j - 1; k++) {if (strcmp(stu[k].tenant_number,stu[k + 1].tenant_number)>0) {tenant temp1 = stu[k];stu[k] = stu[k + 1];stu[k + 1] = temp1;}}}for (int i = 0; i < n; i++) {cout << setw(10) << stu[i].tenant_number << setw(10) << stu[i].tenant_name << setw(10) << stu[i].tenant_sex << setw(15) << stu[i].tenant_phone << setw(10) << stu[i].profession << endl;}system("pause");
}void tenant::delete_tenant() {                                          //删除信息cout << "请输入你要删除的租房者编号：";char temp[20];cin >> temp;tenant str[205];ifstream fin("tenant.txt");if (!fin) {cout << "打开文件tenant.txt失败！" << endl;abort();}int n = 0;while (!fin.eof()) {fin >> str[n].tenant_number >> str[n].tenant_name >> str[n].tenant_password >> str[n].tenant_sex >> str[n].tenant_phone >> str[n].profession;n++;}n = n - 1;                                //eof()到文件末尾会多循环一次来判断文件末尾，所以n多加了一次，这里减去fin.close();bool l = true;int k = 0;for (int i = 0; i < n; i++) {if (strcmp(str[i].tenant_number, temp) == 0) {k = i;l = false;break;}}if (l) cout << "此编号的租房者不存在！删除失败！" << endl;else {ofstream fout("tenant.txt");if (!fout) {cout << "打开文件tenant.txt失败！" << endl;abort();}for (int i = k; i < n - 1; i++) {str[i] = str[i + 1];}for (int i = 0; i < n - 1; i++) {fout << str[i] << "\n";}cout << "删除成功！" << endl;fout.close();}system("pause");}void tenant::find_tenant() {                                              //查找信息system("cls"); cout << "请输入你想查找租房者的编号" << endl;char temp[20];cin >> temp;bool k = true;ifstream fin("tenant.txt");if (!fin) {cout << "打开文件tenant.txt失败！" << endl;abort();}tenant stu[205];int n = 0;while (fin >> stu[n].tenant_number >> stu[n].tenant_name >> stu[n].tenant_password >> stu[n].tenant_sex >> stu[n].tenant_phone >> stu[n].profession) {n++;}fin.close();do {for (int i = 0; i < n; i++) {if (strcmp(stu[i].tenant_number, temp) == 0) {cout << setw(10) << "租房者编号" << setw(10) << "姓名" << setw(10) << "性别" << setw(15) << "电话号码" << setw(10) << "工作职业" << endl;cout << setw(10) << stu[i].tenant_number << setw(10) << stu[i].tenant_name << setw(10) << stu[i].tenant_sex << setw(15) << stu[i].tenant_phone << setw(10) << stu[i].profession << endl;k = false;break;}}if (k) {cout << "该编号租房者不存在！请重新输入租房者编号:";cin >> temp;}} while (k);system("pause");
}void tenant::amend_tenant() {                                            //修改信息cout << "请输入你想修改的租房者编号" << endl;char temp[20];cin >> temp;ifstream fin("tenant.txt");if (!fin) {cout << "打开文件tenant.txt失败！" << endl;abort();}tenant stu[205];int n = 0;while (fin >> stu[n].tenant_number >> stu[n].tenant_name >> stu[n].tenant_password >> stu[n].tenant_sex >> stu[n].tenant_phone >> stu[n].profession) {n++;}fin.close();bool k = true;for (int i = 0; i < n; i++) {if (strcmp(stu[i].tenant_number, temp) == 0) {k = false;break;}}if (k) { cout << "编号错误！" << endl; return; }cout << "你要修改的租房者信息为：" << endl;cout << setw(10) << "租房者编号" << setw(10) << "姓名" << setw(10) << "性别" << setw(15) << "电话号码" << setw(10) << "工作职业" << endl;cout << setw(10) << stu[k].tenant_number << setw(10) << stu[k].tenant_name << setw(10) << stu[k].tenant_sex << setw(15) << stu[k].tenant_phone << setw(10) << stu[k].profession << endl;int ch;do {cout << "1.电话号码" << endl;cout << "2.工作职业" << endl;cout << "0：返回" << endl;cout << "请输入你的选择：";cin >> ch;string s;while (ch > 2 || ch < 0) {cout << "请重新输入您的选择：";cin >> ch;}char a[20];switch (ch) {case 1:cout << "请输入你要修改的内容:";cin >> a;strcpy_s(stu[k].tenant_phone,a);break;case 2:cout << "请输入你要修改的内容：";cin >> s;stu[k].profession = s;break;}cout << "修改成功！" << endl;} while (ch);ofstream fout("tenant.txt");if (!fout) {cout << "文件tenant.txt打开失败！" << endl;abort();}for (int i = 0; i < n - 1; i++) {fout << stu[i] << "\n";}fout.close();
}bool tenant::findt(string a, char* b,int c) {                              //判读学号，密码正误以及修改密码ifstream fin("tenant.txt");if (!fin) {cout << "打开文件tenant.txt失败！" << endl;abort();}tenant stu[105];int n = 0;while (fin >> stu[n].tenant_number >> stu[n].tenant_name >> stu[n].tenant_password >> stu[n].tenant_sex >> stu[n].tenant_phone >> stu[n].profession) {n++;}fin.close();int k = 0;if (c) {                                                           //修改密码for (int i = 0; i < n; i++) {if (stu[i].tenant_name == a ){strcpy_s(stu[i].tenant_password, b);ofstream fout("tenant.txt");if (!fout) {cout << "打开文件tenant.txt失败！" << endl;abort();}for (int j = 0; j < n; j++) {fout << stu[j] << "\n";}fout.close();return true;}}}else {                                                                  //判读密码正误for (int i = 0; i < n; i++) {if (stu[i].tenant_name==a && strcmp(stu[i].tenant_password, b) == 0) {return true;}}}return false;
}

至此全部功能完成

总结

因为完成了就放在一旁了，结果后面想起了想改的时候，忘了咋写的了，那个信息序号的排序可能有点问题，各位哥哥们可以自己写一下