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#include "workermanager.h"
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WorkerManager::WorkerManager() {
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// 初始化情况共三种
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// 1、文件不存在
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ifstream ifs;
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ifs.open(FILENAME, ios::in); // 读文件
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if (!ifs.is_open()) {
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cout << "文件不存在" << endl;
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// 初始化属性，设置初始化记录人数为0
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this->m_EmpNum = 0;
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// 初始化数组指针
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this->m_EmpArray = NULL;
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// 初始化文件是否为空
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this->m_FileIsEmpty = true;
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ifs.close();
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return;
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}
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// 2、文件存在且数据为空
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char ch;
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ifs >> ch;
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if (ifs.eof()) {
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// 文件为空
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cout << "文件为空!" << endl;
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// 初始化属性，设置初始化记录人数为0
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this->m_EmpNum = 0;
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// 初始化数组指针
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this->m_EmpArray = NULL;
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// 初始化文件是否为空
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this->m_FileIsEmpty = true;
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ifs.close(); // 关闭文件
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return;
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}
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// 3、文件存在，并且记录数据
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int num = this->get_EmpNum();
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cout << "职工人数为：" << num << endl;
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this->m_EmpNum = num;
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// 开辟空间
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this->m_EmpArray = new worker*[this->m_EmpNum];
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// 将文件中的数据存放到数组中
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this->init_Emp();
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// 测试第三种情况是否成功
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/*
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for (int i = 0; i < this->m_EmpNum; i++)
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{
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cout << "职工编号：" << this->m_EmpArray[i]->m_Id
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<< "姓名：" << this->m_EmpArray[i]->m_Name
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<< "职位：" << this->m_EmpArray[i]->m_DeptId;
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}
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*/
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}
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// 展示菜单
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void WorkerManager::Show_Menu() {
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cout << "*********职工管理系统****************" << endl;
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cout << "0、退出管理程序" << endl;
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cout << "1、增加员工信息" << endl;
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cout << "2、显示员工信息" << endl;
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cout << "3、删除离职员工信息" << endl;
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cout << "4、修改员工信息" << endl;
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cout << "5、查找员工信息" << endl;
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cout << "6、按照编号排序" << endl;
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cout << "7、清空所有文档" << endl;
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cout << "*************************************" << endl;
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cout << endl;
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}
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// 0------------------退出系统
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void WorkerManager::ExitSystem() {
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cout << "欢迎下次使用" << endl;
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system("pause");
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exit(0); // 退出
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}
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// 1------------------添加信息
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void WorkerManager::Add_Emp() {
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cout << "请输入需要添加的职工数量：" << endl;
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int addNum = 0; // 保存用户的输入数量
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cin >> addNum; // 接受数据
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if (addNum > 0) {
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// 添加
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// 计算添加新空间大小
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int newSize =
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this->m_EmpNum + addNum; // 新空间人数=原来记录人数+新增加的人数
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// 开辟新空间
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worker** newspace = new worker*[newSize];
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// 将原来空间下数据拷贝到新空间下
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if (this->m_EmpArray != NULL) {
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for (int i = 0; i < this->m_EmpNum; i++) {
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newspace[i] = this->m_EmpArray[i];
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}
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}
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// 批量添加新数据
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for (int i = 0; i < addNum; i++) {
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int id; // 职工编号
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string name; // 职工姓名
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int dselect; // 部门选择
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cout << "请输入第" << i + 1 << "个新职工编号：" << endl;
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cin >> id;
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cout << "请输入第" << i + 1 << "个新职工姓名：" << endl;
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cin >> name;
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cout << "请选择新职工职位：" << endl;
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cout << "1-普通员工" << endl;
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cout << "2-经理" << endl;
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cout << "3-老板" << endl;
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cin >> dselect;
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worker* worker = NULL;
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switch (dselect) // 根据不同的职位创建不同的职工
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{
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case 1:
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worker = new Employee(id, name, 1);
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break;
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case 2:
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worker = new Manager(id, name, 2);
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break;
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case 3:
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worker = new Boss(id, name, 3);
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break;
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default:
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cout << "输入有误！" << endl;
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break;
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}
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// 将创建职工职责，保存在数组中
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newspace[this->m_EmpNum + i] = worker;
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}
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// 释放原有空间
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delete[] this->m_EmpArray;
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// 更改新空间的指向
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this->m_EmpArray = newspace;
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// 更新新的职工人数
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this->m_EmpNum = newSize;
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// 更新职工不为空标志
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this->m_FileIsEmpty = false;
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// 提示添加成功
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cout << "成功添加" << addNum << "名新职工" << endl;
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// 保存数据到文件中
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this->save();
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} else {
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cout << "输入数据有误" << endl;
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}
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// 按任意键清屏，回到上一级目录
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system("pause");
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system("cls");
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}
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// 保存文件
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void WorkerManager::save() {
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ofstream ofs; // 通过文件输出流的对象ofs打开文件
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ofs.open(FILENAME, ios::out); // 用输出的方式打开文件---写文件
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for (int i = 0; i < this->m_EmpNum; i++) // 将每个人数据写入到文件中
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{
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ofs << this->m_EmpArray[i]->m_Id << " " << this->m_EmpArray[i]->m_Name
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<< " " << this->m_EmpArray[i]->m_DeptId << endl;
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}
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ofs.close(); // 操作结束后，关闭文件
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}
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// 3、文件存在，并且记录数据（对应上面的代码）
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int WorkerManager::get_EmpNum() {
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ifstream ifs;
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ifs.open(FILENAME, ios::in); // 打开文件，读取数据
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int id;
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string name;
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int dId;
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int num = 0;
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while (ifs >> id && ifs >> name && ifs >> dId) {
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// 记录人数
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num++;
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}
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ifs.close();
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return num;
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}
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// 初始化员工
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void WorkerManager::init_Emp() {
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ifstream ifs;
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ifs.open(FILENAME, ios::in);
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int id;
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string name;
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int dId;
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int index = 0; // 索引位置
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while (ifs >> id && ifs >> name && ifs >> dId) // 读取数据
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{
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worker* worker = NULL;
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// 根据不同的部门id创建不同对象
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if (dId == 1) // 1普通职工
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{
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worker = new Employee(id, name, dId);
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} else if (dId == 2) // 2经理
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{
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worker = new Manager(id, name, dId);
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} else // 3老板
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{
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worker = new Boss(id, name, dId);
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}
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// 存放在数组中
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this->m_EmpArray[index] = worker;
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index++;
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}
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// 关闭文件
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ifs.close();
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}
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// 2------------------显示职工
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void WorkerManager::Show_Emp() {
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// 判断文件是否为空
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if (this->m_FileIsEmpty) {
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cout << "文件不存在或记录为空！" << endl;
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} else {
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for (int i = 0; i < m_EmpNum; i++) {
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// 利用多态调用接口
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this->m_EmpArray[i]->showInfo();
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}
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}
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// 按任意键后清屏
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system("pause");
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system("cls");
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}
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// 3------------------删除职工
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void WorkerManager::Del_Emp() {
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if (this->m_FileIsEmpty) // 为空
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{
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cout << "文件不存在或者记录为空！" << endl;
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} else {
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// 按照职工编号删除
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cout << "请输入想要删除的职工编号：" << endl;
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int id = 0;
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cin >> id;
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int index = this->IsExist(id); // 接受返回值
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if (index != -1) // 说明职工存在，并且要删除掉index位置上的职工
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{
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// 利用数据前移来删除元素
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for (int i = index; i < this->m_EmpNum - 1; i++) {
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this->m_EmpArray[i] = this->m_EmpArray[i + 1]; // 赋值
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}
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this->m_EmpNum--; // 更新数组中记录人员
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this->save(); // 重要点！！！！删除后 数据同步到文件中
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cout << "删除成功！" << endl;
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} else {
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cout << "删除失败，未找到该职工" << endl;
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}
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// 清屏
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system("pause");
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system("cls");
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}
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}
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// 判断职工是否存在，如果存在返回职工所在数组中的位置，不存在返回-1
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int WorkerManager::IsExist(int id) {
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int index = -1;
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for (int i = 0; i < this->m_EmpNum; i++) {
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if (this->m_EmpArray[i]->m_Id == id) {
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// 找到职工
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index = i;
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break;
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}
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}
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return index; // 返回值
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}
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// 4------------------修改职工
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void WorkerManager::Mod_Emp() {
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if (this->m_FileIsEmpty) // 文件不存在
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{
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cout << "文件不存在或者记录为空！" << endl;
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} else // 文件存在
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{
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cout << "请输入修改职工的编号：" << endl;
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int id;
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cin >> id;
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int ret = this->IsExist(id); // 反馈搜索结果
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if (ret != -1) {
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// 查找到编号的职工
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delete this->m_EmpArray[ret]; // 释放原来的数据
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int newId = 0; // 设置新的信息
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string newName = "";
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int dSelect = 0;
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cout << "查到：" << id << "号职工，请输入新职工号：" << endl;
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cin >> newId;
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cout << "请输入新姓名：" << endl;
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cin >> newName;
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cout << "请输入岗位：" << endl;
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cout << "1-普通员工" << endl;
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cout << "2-经理" << endl;
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cout << "3-老板" << endl;
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cin >> dSelect;
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worker* worker = NULL;
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switch (dSelect) // 利用分支结构来实现修改的功能
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{
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case 1: // 普通员工
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worker = new Employee(newId, newName, dSelect);
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break;
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case 2: // 经理
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worker = new Manager(newId, newName, dSelect);
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break;
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case 3: // 老板
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worker = new Boss(newId, newName, dSelect);
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break;
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default:
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break;
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}
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// 更新数据到数组中
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this->m_EmpArray[ret] = worker;
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cout << "修改成功！" << endl;
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// 保存到文件中
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this->save();
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|
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} else {
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|
|
cout << "修改失败，查无此人！" << endl;
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}
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|
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}
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|
|
system("pause");
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|
|
system("cls");
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}
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// 5------------------查找员工
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|
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void WorkerManager ::Find_Emp() {
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if (this->m_FileIsEmpty) {
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|
|
cout << "文件为空或记录不存在！" << endl;
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|
|
} else {
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|
|
cout << "请输入查找方式：" << endl;
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|
|
cout << "1、按照职工编号查找" << endl;
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|
|
cout << "2、按照姓名查找" << endl;
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|
|
int select = 0;
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|
|
cin >> select;
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|
|
|
if (select == 1) // 按职工号查找
|
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|
|
|
{
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|
|
int id;
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|
|
|
cout << "请输入查找的职工编号：" << endl;
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|
|
cin >> id;
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|
|
int ret = IsExist(id);
|
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|
|
|
if (ret != -1) {
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|
|
|
cout << "查找成功，该职工信息如下：" << endl;
|
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|
|
|
this->m_EmpArray[ret]->showInfo(); // 调用的是之前写的函数
|
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|
|
|
} else {
|
|
|
|
|
cout << "查找失败，查无此人" << endl;
|
|
|
|
|
}
|
|
|
|
|
} else if (select == 2) // 按姓名查找
|
|
|
|
|
{
|
|
|
|
|
string name; // 接收姓名
|
|
|
|
|
cout << "请输入查找姓名：" << endl;
|
|
|
|
|
cin >> name;
|
|
|
|
|
bool flag = false; // 查找到的标志，默认没有找到职工
|
|
|
|
|
for (int i = 0; i < m_EmpNum; i++) {
|
|
|
|
|
if (m_EmpArray[i]->m_Name == name) {
|
|
|
|
|
if (m_EmpArray[i]->m_Name == name) {
|
|
|
|
|
cout << "查找成功。职工编号为：" << m_EmpArray[i]->m_Id
|
|
|
|
|
<< "号的信息如下：" << endl;
|
|
|
|
|
flag = true; // 找到为ture
|
|
|
|
|
// 调用显示信息接口
|
|
|
|
|
this->m_EmpArray[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;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
system("pause");
|
|
|
|
|
system("cls");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 6------------------按照编号排序
|
|
|
|
|
void WorkerManager::Sort_Emp() {
|
|
|
|
|
if (this->m_FileIsEmpty) {
|
|
|
|
|
cout << "文件不存在或记录为空！" << endl;
|
|
|
|
|
system("pause");
|
|
|
|
|
system("cls");
|
|
|
|
|
} else {
|
|
|
|
|
cout << "请选择排序方式：" << endl;
|
|
|
|
|
cout << "1、按照编号进行升序" << endl;
|
|
|
|
|
cout << "2、按照编号进行降序" << endl;
|
|
|
|
|
int select = 0;
|
|
|
|
|
cin >> select;
|
|
|
|
|
for (int i = 0; i < m_EmpNum; i++) {
|
|
|
|
|
int minOrMax = i; // 声明最小值或者最大值的下标
|
|
|
|
|
for (int j = i + 1; j < this->m_EmpNum; j++) // 二次循环
|
|
|
|
|
{
|
|
|
|
|
if (select == 1) // 升序
|
|
|
|
|
{
|
|
|
|
|
if (this->m_EmpArray[minOrMax]->m_Id > this->m_EmpArray[j]->m_Id) {
|
|
|
|
|
minOrMax = j; // 更新下标
|
|
|
|
|
}
|
|
|
|
|
} else // 降序
|
|
|
|
|
{
|
|
|
|
|
if (this->m_EmpArray[minOrMax]->m_Id < this->m_EmpArray[j]->m_Id) {
|
|
|
|
|
minOrMax = j;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
// 判断一开始认定的最大值或者最小值是不是计算的最大值或者最小值，如果不是交换数据
|
|
|
|
|
if (i != minOrMax) {
|
|
|
|
|
// 交换元素
|
|
|
|
|
worker* temp = this->m_EmpArray[i];
|
|
|
|
|
m_EmpArray[i] = this->m_EmpArray[minOrMax];
|
|
|
|
|
m_EmpArray[minOrMax] = temp;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
cout << "排序成功，排序结果为：" << endl;
|
|
|
|
|
this->save(); // 排序后结果保存到文件里
|
|
|
|
|
this->Show_Emp(); // 展示所有的职工，这部分在上面的Show_Emp函数中已经写过清屏操作，这里不需要再写
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 7------------------清空文件
|
|
|
|
|
void WorkerManager::Clean_File() {
|
|
|
|
|
cout << "确认清空？" << endl;
|
|
|
|
|
cout << "1-是" << endl;
|
|
|
|
|
cout << "2-否" << endl;
|
|
|
|
|
int select = 0;
|
|
|
|
|
cin >> select;
|
|
|
|
|
if (select == 1) {
|
|
|
|
|
// 清空文件
|
|
|
|
|
ofstream ofs(
|
|
|
|
|
FILENAME,
|
|
|
|
|
ios::trunc); // 打开模式ios::trunc,如果文件存在,删除文件并重新创建
|
|
|
|
|
ofs.close();
|
|
|
|
|
if (this->m_EmpArray != NULL) {
|
|
|
|
|
// 删除堆区的每个职工对象
|
|
|
|
|
for (int i = 0; i < this->m_EmpNum; i++) // 释放堆区的数据
|
|
|
|
|
{
|
|
|
|
|
this->m_EmpArray[i] == NULL;
|
|
|
|
|
delete this->m_EmpArray[i];
|
|
|
|
|
}
|
|
|
|
|
// 删除堆区数组指针
|
|
|
|
|
this->m_EmpNum = 0;
|
|
|
|
|
delete[] this->m_EmpArray;
|
|
|
|
|
this->m_EmpArray = NULL;
|
|
|
|
|
this->m_FileIsEmpty = true;
|
|
|
|
|
}
|
|
|
|
|
cout << "清空成功！" << endl;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
system("pause");
|
|
|
|
|
system("cls");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
WorkerManager::
|
|
|
|
|
~WorkerManager() // 析构函数来释放堆砌的数据，也可以不写等程序结束后释放
|
|
|
|
|
{
|
|
|
|
|
if (this->m_EmpArray !=
|
|
|
|
|
NULL) // 将内部维护的每个数据进行释放，再把堆区的数组进行释放
|
|
|
|
|
{
|
|
|
|
|
for (int i = 0; i < this->m_EmpNum; i++) {
|
|
|
|
|
if (this->m_EmpArray[i] != NULL) {
|
|
|
|
|
delete this->m_EmpArray;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
delete[] this->m_EmpArray;
|
|
|
|
|
this->m_EmpArray = NULL;
|
|
|
|
|
}
|
|
|
|
|
}
|
