学校工资管理系统程序设计

面向对象程序设计班级：0703学号：2007115020311姓名：张娣完成时间：二00九年12 月22 日高校工资管理系统一、实验题目要求综合运用封装、继承、多态性、文件流、异常处理来设计和实现简单的信息管理系统二、实验任务设计和实现高校工资管理系统：高校中人员有：行政人员、教师、实验室人员、后勤人员、外聘人员。

通过本系统要求实现以下内容：1）添加职员的基本信息；2）校内人员调离学校删除信息；3）根据工作证号查询校内人员的工资，根据姓名查询外聘人员的工资；4）根据工资计算准则计算总工资；5）分类输出所有人员的信息；6）实现数据保存功能。

三、对象模型四、程序代表性代码#include <iostream.h>#include <string.h>#include <fstream.h>class Person { //人员基类protected:int no;char name[15];double salary;int flag; //标志人员的类型public:Person() {}virtual void setMessage() = 0; //键盘输入数据virtual void setMessage(ifstream& ifs) = 0; //文件输入数据virtual void showMessage() = 0; //输出数据virtual void showMessage(ofstream& ofs) = 0; //输出数据到文件virtual float incoming()=0; //计算收入virtual ~Person() {}virtual char *getName() = 0; // 返回名字virtual int getNo() = 0; //返回证件号码virtual int getFlag() = 0; //返回人员类型};class Teacher:virtual public Person { //教师protected:int workHour;public:Teacher() {flag=1; //标志教师类型salary = 1000; //教师的基本薪水}virtual ~Teacher() {}void setMessage() { //键盘输入教师的基本信息cout<<"工作证号: "; cin>>no;cout<<"姓名: "; cin>>name;cout<<"工作时间: "; cin>>workHour;}void setMessage(ifstream& ifs) { //文件读入教师的基本信息ifs>>flag>>no>>name>>workHour;}void showMessage() { //输出教师的信息cout<<" 工作证号："<<no<<" 姓名："<<name<<" 工作时间："<<workHour<<" 薪水："<<incoming()<<endl;}void showMessage(ofstream& ofs) {ofs<<flag<<"\t"<<no<<"\t"<<name<<"\t"<<workHour<<"\t"<<endl;}float incoming() { //计算教师的薪水return salary + workHour * 20;}char *getName() {return name;}int getNo() {return no;}int getFlag() {return flag;}};void add(); //增加一位职工void deletePerson(); //按证件号删除一位职工void inserchbyNo(); //根据证件号查询员工工资void inserchbyName(); //根据姓名查询员工工资void save(); //职工信息存盘void load(); //职工信息装入void print(); //分类输出职工信息void clearCollege(); //清除链表};void College::add() {Node *node = new Node; //在头结点head前插入新的结点作为新的头结点Person *person;int flag;cout<<"输入要添加人员的类别"<<endl;cout<<" 1-->普通教师2-->行政人员3-->实验员4-->后勤人员5-->外聘教师"<<endl;cout<<" 选择：";cin >> flag; cout << endl;switch (flag) {case 1:{Teacher *teacher = new Teacher;teacher->setMessage();person = teacher;}break;case 2:{Manager *manager = new Manager;manager->setMessage();person = manager;}break;case 3:{Assistant *assistant = new Assistant;assistant->setMessage();person = assistant;}break;case 4:{Waiter *waiter = new Waiter;waiter->setMessage();person = waiter;}break;case 5:{Employee_Teacher *employee_teacher = new Employee_Teacher;employee_teacher->setMessage();person = employee_teacher;}break;default :break;}node->data = person;if(head==0||head==NULL) {node->next = 0;}else{node->next = head;}head = node;}void College::deletePerson() {int deteleNo;Node *temp1, *temp2;temp1 = head;if(head==0||head->data==NULL) {cout<<"记录中没有员工了!"<<endl;return;}temp2 = head->next;cout <<"请输入职工的编号: ";cin>>deteleNo; cout <<endl;if(head->data->getNo()==deteleNo) {head = head->next;cout<<"删除成功!"<<endl;delete temp1;return;}while(temp2!=NULL) {if(temp2->data->getNo()==deteleNo) {temp1->next = temp2->next;cout<<"删除成功!"<<endl;delete temp2;return;}temp1 =temp2;temp2 = temp2->next;}cout<<"没有此职员!\n"<<endl;}void College::inserchbyNo() {int inserchNo;Node *temp;cout <<"请输入职工的编号: ";cin>>inserchNo; cout <<endl;temp = head;while(temp!=NULL) {if(temp->data->getNo()==inserchNo) {cout<<"职工"<<inserchNo<<"的工资为："<<temp->data->incoming()<<endl;return;}temp = temp->next;}if(temp==NULL) {cout<<"不存在编号为："<<inserchNo<<"的职工"<<endl;}}void College::print() {Node *temp;int i;for(i=1; i<=5; i++) { // i由1到5表示5类不同的人员temp = head;switch(i) {case 1:{cout<<"普通教师类信息："<<endl;while(temp!=NULL) {if(temp->data->getFlag() == 1) {temp->data->showMessage();}temp = temp->next;}}break;case 2:{cout<<"行政人员信息："<<endl;while(temp!=NULL) {if(temp->data->getFlag() == 2) {temp->data->showMessage();}temp = temp->next;}}break;case 3:{cout<<"实验员信息："<<endl;while(temp!=NULL) {if(temp->data->getFlag() == 3) {temp->data->showMessage();}temp = temp->next;}}break;case 4:{cout<<"后勤人员信息："<<endl;while(temp!=NULL) {if(temp->data->getFlag() == 4) {temp->data->showMessage();}temp = temp->next;}}break;case 5:{cout<<"外聘教师信息："<<endl;while(temp!=NULL) {if(temp->data->getFlag() == 6) {temp->data->showMessage();}temp = temp->next;}}break;}}}void College::clearCollege() {Node *temp;if(head==0||head->data==NULL) {delete head;head = 0;return;}temp = head->next;while(temp!=NULL) {delete head;head = temp;temp = temp->next;}delete head;head = 0;}void College::save() {ofstream f("职工信息.dat",ios::unitbuf); //打开文件//遍历输出至文件Node *temp;temp = head;while(temp!=NULL&&temp!=0) {temp->data->showMessage(f);temp = temp->next;}f.close(); //关闭文件cout<<"职工信息成功保存在‘职工信息.dat’.\n"; }void College::load() {char buf[81]; //临时空间int flag; //人员类型Person *temp; //建立结点指针long t; //读写位置clearCollege(); //清除现有结点(保留头结点)ifstream f("职工信息.dat",ios::in); //打开文件while(true) {t=f.tellg(); //读取人员类型f>>flag;if(f) {switch(flag) {case 1:temp = new Teacher;break;case 2:temp = new Manager;break;case 3:temp = new Assistant;break;case 4:temp = new Waiter;break;case 6:temp = new Employee_Teacher;default :{f.close();cout<<"信息载入成功!"<<endl;return;}}Node *node = new Node;node->data = temp;if(head==NULL||head==0) {node->next = NULL;}else {node->next = head;}head = node;f.seekg(t);temp->setMessage(f);}else{cout<<"数据加载完毕!"<<endl;break;}}}#include <iostream.h>#include <string.h>void main(){char ch;College c; //定义大学对象//显示主菜单，接受选择，并分支调用大学类的相应功能的成员函数do{cout<<"\n**** 高校工资管理系统****\n";cout<<"** 1－增加职工**\n";cout<<"** 2－删除职工**\n";cout<<"** 3－按编号查询职工**\n";cout<<"** 4－按姓名查询职工**\n";cout<<"** 5－分类输出职工信息**\n";cout<<"** 6－数据存盘**\n";cout<<"** 7－数据装入**\n";cout<<"** 0－退出**\n";cout<<"**************************"<<endl;cout<<" 请选择(0-7): ";cin>>ch; cout<<endl;switch(ch){case '1': c.add(); break;case '2': c.deletePerson();break;case '3': c.inserchbyNo();break;case '4': c.inserchbyName();break;case '5': c.print(); break;case '6': c.save(); break;case '7': c.load(); break;default : cout<<"非正常退出!"; return;}}while(ch!='0');}五、运行部分结果六、实验心得本程序成功运用了类、继承、重载、多态以及文件流等面向对象的编程方法，对巩固面向对象编程水平的提高有很大帮助。