(7) cmake 编译C++程序(二)

🕗 发布于 2024-07-23 14:05 c++

文章目录

概要

在ubuntu下，通过cmake编译一个稍微复杂的管理程序

整体代码结构

在这里插入图片描述

整体代码

boss.cpp

#include "boss.h"

Boss::Boss(int id, string name, int dId)
{
this->Id = id;
this->Name = name;
this->DeptId = dId;

}

void Boss::showInfo()
{
cout << "职工编号: " << this->Id
<< " \t职工姓名: " << this->Name
<< " \t岗位:" << this->getDeptName()
<< " \t岗位职责:管理公司所有事务" << endl;
}

string Boss::getDeptName()
{
return string("总裁");
}

boss.h

#pragma once
#include<iostream>
using namespace std;
#include "worker.h"

//老板类
class Boss :public Worker
{
public:

Boss(int id, string name, int dId);

//显示个人信息
virtual void showInfo();

//获取职工岗位名称
virtual string getDeptName();
};

employee.cpp

#include "employee.h"

Employee::Employee(int id, string name, int dId)
{
this->Id = id;
this->Name = name;
this->DeptId = dId;
}

void Employee::showInfo()
{
cout << "职工编号: " << this->Id
<< " \t职工姓名: " << this->Name
<< " \t岗位:" << this->getDeptName()
<< " \t岗位职责:完成经理交给的任务" << endl;
}


string Employee::getDeptName()
{
return string("员工");
}

employee.h

#pragma once 
#include<iostream>
using namespace std;
#include "worker.h"

//员工类
class Employee :public Worker
{
public:

//构造函数
Employee(int id, string name, int dId);

//显示个人信息
virtual void showInfo();

//获取职工岗位名称
virtual string getDeptName();
};

manager.cpp

#include "manager.h"

Manager::Manager(int id, string name, int dId)
{
this->Id = id;
this->Name = name;
this->DeptId = dId;

}

void Manager::showInfo()
{
cout << "职工编号: " << this->Id
<< " \t职工姓名: " << this->Name
<< " \t岗位:" << this->getDeptName()
<< " \t岗位职责:完成老板交给的任务,并下发任务给员工" << endl;
}

string Manager::getDeptName()
{
return string("经理");
}

manager.h

#pragma once
#include<iostream>
using namespace std;
#include "worker.h"

//经理类
class Manager :public Worker
{
public:

Manager(int id, string name, int dId);

//显示个人信息
virtual void showInfo();

//获取职工岗位名称
virtual string getDeptName();
};

worker.h

#pragma once
#include<iostream>
#include<string>
using namespace std;

//职工抽象基类
class Worker
{
public:

//显示个人信息
virtual void showInfo() = 0;
//获取岗位名称
virtual string getDeptName() = 0;

int Id; //职工编号
string Name; //职工姓名
int DeptId; //职工所在部门名称编号
};

workerManager.cpp

#include "workerManager.h"

workerManager::workerManager()
{
ifstream ifs;
ifs.open(FILENAME, ios::in);

//文件不存在情况
if (!ifs.is_open())
{
cout << "文件不存在" << endl; //测试输出
this->work_num = 0;  //初始化人数
this->fileIsEmpty = true; //初始化文件为空标志
ifs.close(); //关闭文件
return;
}

char ch;
ifs >> ch;
if (ifs.eof())
{
cout << "文件为空!" << endl;
this->work_num = 0;
this->fileIsEmpty = true;
ifs.close();
return;
}

int num =  this->get_Num();
this->work_num = num;  //更新成员属性

init_Emp(); 
for (int i = 0; i < this->work_num; i++)
{
cout << "职工号： " << this->works[i]->Id
<< " 职工姓名： " << this->works[i]->Name
<< " 部门编号： " << this->works[i]->DeptId << endl;
}
}

workerManager::~workerManager()
{
for (vector<Worker *>::iterator it = this->works.begin(); it != this->works.end(); it ++) 
    if (NULL != *it) 
    {
        delete *it; 
        *it = NULL;
    }
this->works.clear();

}

void workerManager::Show_Menu()
{
cout << "********************************************" << endl;
cout << "*********  欢迎使用职工管理系统！ **********" << endl;
cout << "*************  0.退出管理程序  *************" << endl;
cout << "*************  1.增加职工信息  *************" << endl;
cout << "*************  2.显示职工信息  *************" << endl;
cout << "*************  3.删除离职职工  *************" << endl;
cout << "*************  4.修改职工信息  *************" << endl;
cout << "*************  5.查找职工信息  *************" << endl;
cout << "*************  6.按照编号排序  *************" << endl;
cout << "*************  7.清空所有文档  *************" << endl;
cout << "********************************************" << endl;
cout << endl;
}

void workerManager::exitSystem()
{
cout << "欢迎下次使用" << endl;
    cin.ignore();
cin.get();
    system("clear");
exit(0);
}

void workerManager::Add_Emp()
{
cout << "请输入增加职工数量： " << endl;

int addNum = 0;
cin >> addNum;

if (addNum > 0)
{
int new_size = this->work_num + addNum;
this->works.reserve(new_size);

//输入新数据
for (int i = 0; i < addNum; i++)
{
int id;
string name;
int dSelect;

cout << "请输入第 " << i + 1 << " 个新职工编号：" << endl;
cin >> id;

cout << "请输入第 " << i + 1 << " 个新职工姓名：" << endl;
cin >> name;


cout << "请选择该职工的岗位：" << endl;
cout << "1、普通职工" << endl;
cout << "2、经理" << endl;
cout << "3、老板" << endl;
cin >> dSelect;


Worker * worker = NULL;
switch (dSelect)
{
case 1: //普通员工
worker = new Employee(id, name, 1);
break;
case 2: //经理
worker = new Manager(id, name, 2);
break;
case 3:  //老板
worker = new Boss(id, name, 3);
break;
default:
break;
}


this->works.push_back(worker);
}

this->work_num = new_size;
this->fileIsEmpty = false;
//提示信息
cout << "成功添加" << addNum << "名新职工！" << endl;
this->save();
}
else
{
cout << "输入有误" << endl;
}

std::cout << "Press Enter to continue...";
    cin.ignore();
cin.get();
    system("clear");
}

void workerManager::save()
{
ofstream ofs;
ofs.open(FILENAME, ios::out);
for (int i = 0; i < this->work_num; i++)
{
ofs << this->works[i]->Id << " " 
<< this->works[i]->Name << " " 
<< this->works[i]->DeptId << endl;
}

ofs.close();
}


int workerManager::get_Num()
{
ifstream ifs;
ifs.open(FILENAME, ios::in);
string line;

int num = 0;

while (getline(ifs, line)) { // 逐行读取文件内容
if(line.empty()){
continue;
}
num++;
    }
ifs.close();

return num;
}

void workerManager::init_Emp()
{
ifstream ifs;
ifs.open(FILENAME, ios::in);

int id;
string name;
int dId;

int index = 0;
while (ifs >> id && ifs >> name && ifs >> dId)
{
Worker * worker = NULL;
if (dId == 1)  // 1普通员工
{
worker = new Employee(id, name, dId);
}
else if (dId == 2) //2经理
{
worker = new Manager(id, name, dId);
}
else //总裁
{
worker = new Boss(id, name, dId);
}
// //存放在数组中
works.push_back(worker);
index++;
}
}


void workerManager::Show_Emp()
{
system("clear");
if (this->fileIsEmpty)
{
cout << "文件不存在或记录为空！" << endl;
}
else
{
for (int i = 0; i < this->work_num; i++)
{
//利用多态调用接口
this->works[i]->showInfo();
}
}

std::cout << "Press Enter to continue...";
    cin.ignore();
cin.get();
    system("clear");
}

int workerManager::IsExist(int id)
{
int index = -1;

for (int i = 0; i < this->work_num; i++)
{
if (this->works[i]->Id == id)
{
index = i;

break;
}
}

return index;
}

void workerManager::Del_Emp()
{
system("clear");
if (this->fileIsEmpty)
{
cout << "文件不存在或记录为空！" << endl;
}
else
{
//按职工编号删除
cout << "请输入想要删除的职工号：" << endl;
int id = 0;
cin >> id;

int index = this->IsExist(id);

if (index != -1)  //说明index上位置数据需要删除
{
for (int i = index; i < this->work_num - 1; i++)
{
this->works[i] = this->works[i + 1];
}
this->work_num--;

this->save(); //删除后数据同步到文件中
cout << "删除成功！" << endl;
}
else
{
cout << "删除失败，未找到该职工" << endl;
}
}

std::cout << "Press Enter to continue...";
    cin.ignore();
cin.get();
    system("clear");
}

void workerManager::Mod_Emp()
{
if (this->fileIsEmpty)
{
cout << "文件不存在或记录为空！" << endl;
}
else
{
cout << "请输入修改职工的编号：" << endl;
int id;
cin >> id;

int ret = this->IsExist(id);
if (ret != -1)
{ 
//查找到编号的职工
int newId = 0;
string newName = "";
int dSelect = 0;

cout << "查到： " << id << "号职工，请输入新职工号： " << endl;
cin >> newId;

cout << "请输入新姓名： " << endl;
cin >> newName;

cout << "请输入岗位： " << endl;
cout << "1、普通职工" << endl;
cout << "2、经理" << endl;
cout << "3、老板" << endl;
cin >> dSelect;

this->works[ret]->Id = newId;
this->works[ret]->Name = newName;
this->works[ret]->DeptId = dSelect;

cout << "修改成功！" << endl;

//保存到文件中
this->save();
}
else
{
cout << "修改失败，查无此人" << endl;
}
}

std::cout << "Press Enter to continue...";
    cin.ignore();
cin.get();
    system("clear");
}

void workerManager::Find_Emp()
{
if (this->fileIsEmpty)
{
cout << "文件不存在或记录为空！" << endl;
}
else
{
cout << "请输入查找的方式：" << endl;
cout << "1、按职工编号查找" << endl;
cout << "2、按姓名查找" << endl;

int select = 0;
cin >> select;


if (select == 1) //按职工号查找
{
int id;
cout << "请输入查找的职工编号：" << endl;
cin >> id;

int ret = IsExist(id);
if (ret != -1)
{
cout << "查找成功！该职工信息如下：" << endl;
this->works[ret]->showInfo();
}
else
{
cout << "查找失败，查无此人" << endl;
}
}
else if(select == 2) //按姓名查找
{
string name;
cout << "请输入查找的姓名：" << endl;
cin >> name;

bool flag = false;  //查找到的标志
for (int i = 0; i < this->work_num; i++)
{
if (works[i]->Name == name)
{
cout << "查找成功,职工编号为："
<< works[i]->Id
<< " 号的信息如下：" << endl;

flag = true;

this->works[i]->showInfo();
}
}
if (flag == false)
{
//查无此人
cout << "查找失败，查无此人" << endl;
}
}
else
{
cout << "输入选项有误" << endl;
}
}


std::cout << "Press Enter to continue...";
    cin.ignore();
cin.get();
    system("clear");
}


void workerManager::Sort_Emp()
{
if (this->fileIsEmpty)
{
cout << "文件不存在或记录为空！" << endl;
std::cout << "Press Enter to continue...";
cin.ignore();
cin.get();
system("clear");
}
else
{
cout << "请选择排序方式： " << endl;
cout << "1、按职工号进行升序" << endl;
cout << "2、按职工号进行降序" << endl;

int select = 0;
cin >> select;


for (int i = 0; i < this->work_num; i++)
{
int minOrMax = i;
for (int j = i + 1; j < this->work_num; j++)
{
if (select == 1) //升序
{
if (this->works[minOrMax]->Id > this->works[j]->Id)
{
minOrMax = j;
}
}
else  //降序
{
if (this->works[minOrMax]->Id < this->works[j]->Id)
{
minOrMax = j;
}
}
}

if (i != minOrMax)
{
Worker * temp = this->works[i];
this->works[i] = this->works[minOrMax];
this->works[minOrMax] = temp;
}

}

cout << "排序成功,排序后结果为：" << endl;
this->save();
this->Show_Emp();
}

}

void workerManager::Clean_File()
{
cout << "确认清空？" << endl;
cout << "1、确认" << endl;
cout << "2、返回" << endl;

int select = 0;
cin >> select;

if (select == 1)
{
//打开模式 ios::trunc 如果存在删除文件并重新创建
ofstream ofs(FILENAME, ios::trunc);
ofs.close();

if (this->works.size() > 0)
{
            for (int i = 0; i < this->works.size(); i++)
{
if (this->works[i] != NULL)
{
delete this->works[i];
}
}
this->work_num = 0;
this->fileIsEmpty = true;
}
cout << "清空成功！" << endl;
}

std::cout << "Press Enter to continue...";
    cin.ignore();
cin.get();
    system("clear");
}

workerManager.h

#pragma once
#include<iostream>
#include<vector>
#include <fstream>
#include "worker.h"
#include "employee.h"
#include "manager.h"
#include "boss.h"
using namespace std;

#define  FILENAME "empFile.txt"

class workerManager
{
private:
    int work_num = 0;
    bool fileIsEmpty;
    vector<Worker*> works;

public:
    workerManager();

    void Show_Menu();

    int get_Num();

    void exitSystem();

    void Add_Emp();

    void init_Emp();

    void Show_Emp();

    void Del_Emp();

    void Mod_Emp();

    void Find_Emp();

    void Sort_Emp();

    void Clean_File();

    int IsExist(int id);

    void save();
    
    ~workerManager();
};

main.cpp

#include <iostream>
#include <string>
#include <unistd.h>
using namespace std;

#include "src/workerManager.h"
#include "src/worker.h"
#include "src/employee.h"
#include "src/manager.h"
#include "src/boss.h"

void test()
{
Worker * worker = NULL;
worker = new Employee(1, "张三", 1);
worker->showInfo();
delete worker;

worker = new Manager(2, "李四", 2);
worker->showInfo();
delete worker;

worker = new Boss(3, "王五", 3);
worker->showInfo();
delete worker;
}


int main(){
// test();
    workerManager wm;
int choice = 0;
while (true)
{
//展示菜单
wm.Show_Menu();
cout << "请输入您的选择:" << endl;
cin >> choice;

switch (choice)
{
case 0: //退出系统
wm.exitSystem();
break;
case 1: //添加职工
wm.Add_Emp();
break;
case 2: //显示职工
wm.Show_Emp();
break;
case 3: //删除职工
wm.Del_Emp();
break;
case 4: //修改职工
wm.Mod_Emp();
break;
case 5: //查找职工
wm.Find_Emp();
break;
case 6: //排序职工
wm.Sort_Emp();
break;
case 7: //清空文件
wm.Clean_File();
break;
default:
system("clear");
break;
}
}

std::cout << "Press Enter to continue...";
    cin.ignore();
cin.get();
    system("clear");

return 0;

}

CMakeLists.txt

cmake_minimum_required(VERSION 2.6) # cmake最低版本
project(manager_project) #项目名称
set(CMAKE_CXX_STANDARD 11) #设置C++编译版本
set(CMAKE_BUILD_TYPE "Debug") # 默认是Release模式，设置为Debug才能调试

set(EXECUTABLE_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin) #设置可执行文件生产的路径
file(GLOB SOURCES "${PROJECT_SOURCE_DIR}/src/*.cpp")

aux_source_directory(. SRC_LISTS) #.下所有的cpp文件打包到变量SRC_LISTS中
add_executable(demo ${SOURCES} ${SRC_LISTS}) #生成可执行文件demo

run.sh

#!/bin/bash

mkdir -p build
cd build
cmake ..
make
cd ../bin
./demo

小结

好像还有点小bug没调试，整体应该是能运行

原文地址：https://blog.csdn.net/qq_17614495/article/details/140613626

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(7) cmake 编译C++程序(二)

文章目录

概要

整体代码结构

整体代码

小结

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