C++课程设计高校水电费管理系统

#include<iostream>#include<string>#include<fstream>#include<iomanip>const int TMAX=50;using namespace std;class Person{public:int num;//编号string name;//姓名string sex;//性别int age;//年龄double water;//用水量double power;//用电量public:Person(int n=0,string nm=" ",string s=" ",int a=0,double w=0.0,double p=0.0)//初始化{num = n;name = nm;sex = s;age = a;water = w;power = p;};virtual void Input(){};virtual void Output(){};int GetNum(){return num;}//获取编号string GetName(){return name;}//获取姓名double GetWater(){return water;}//获取用水量double GetPower(){return power;}//获取用电量};class Teacher:virtual public Person //教师{public:string depart;//工作部门double watermoney;//教师水费double powermoney;//教师电费int choice1;int choice2;public:Teacher(int n=0,string nm=" ",string s="男",int a=0,string d="普通教师",double w=0.0, double p=0.0, double wm=0.0, double pm=0.0):Person(n,nm,s,a,w,p),depart(d)//构造函数{watermoney=wm;powermoney=pm;};void Input(){cout<<"请输入编号："<<endl;cin>>num;cout<<"请输入姓名："<<endl;cin>>name;cout<<"请选择性别：";cout<<"(1.男 2.女)"<<endl;cout<<"请输入你的选择"<<endl;cin>>choice2;switch(choice2){case 1:sex="男";break;case 2:sex="女";break;default:cout<<"输入错误。

"<<endl;break;}cout<<"请输入年龄："<<endl;cin>>age;cout<<"请选择工作部门："<<endl;cout<<setw(10)<<"1.普通教师"<<setw(10)<<"2.教务处"<<setw(10)<<"3.财政处"<<setw(10)<<" 4.创业办公室"<<endl;cout<<"请输入你的选择"<<endl;cin>>choice1;switch(choice1){case 1:depart="普通教师";break;case 2:depart="教务处";break;case 3:depart="财政处";break;case 4:depart="创业办公室";break;default:cout<<"输入错误。

"<<endl;break;}cout<<"请输入本月的用水量"<<endl;cin>>water;cout<<"请输入本月的用电量"<<endl;cin>>power;watermoney=0.5*water;powermoney=0.5*power;}void Output(){cout<<" "<<num<<" "<<name<<" "<<sex<<" "<<age<<" "<<depart<<" "<<water<<setw(10)<<power<<" "<<setw(10)<<watermoney<<setw(10)<<powermoney<<endl;}};class Student:virtual public Person //学生{public:string bj;//学生班级double watermoney;//学生水费double powermoney;//学生电费int choice1;int choice2;public:Student(int n=0,string nm=" ",string s="男",int a=0,string z=" ",double w=0.0, double p=0.0, double wm=0.0, double pm=0.0):Person(n,nm,s,a,w,p),bj(z)//构造函数{watermoney=wm;powermoney=pm;};void Input(){cout<<"请输入学号："<<endl;cin>>num;cout<<"请输入姓名："<<endl;cin>>name;cout<<"请选择性别：";cout<<"(1.男 2.女)"<<endl;cout<<"请输入你的选择"<<endl;cin>>choice2;switch(choice2){case 1:sex="男";break;case 2:sex="女";break;default:cout<<"输入错误。

"<<endl;break;}cout<<"请输入年龄："<<endl;cin>>age;cout<<"请选择所在班级："<<endl;cout<<setw(10)<<"1.计科1班"<<setw(10)<<"2.计科2班"<<setw(10)<<"3.计科3班"<<setw(10)<<"4.计科4班"<<endl;cout<<"请输入你的选择"<<endl;cin>>choice1;switch(choice1){case 1:bj="计科1班";break;case 2:bj="计科2班";break;case 3:bj="计科3班";break;case 4:bj="计科4班";break;default:cout<<"输入错误。

"<<endl;break;}cout<<"请输入本月的用水量"<<endl;cin>>water;cout<<"请输入本月的用电量"<<endl;cin>>power;watermoney=0.5*(water-10);powermoney=0.5*(power-10);}void Output(){cout<<" "<<num<<" "<<name<<" "<<sex<<" "<<age<<" "<<bj<<" "<<water<<setw(10)<<power<<" "<<setw(10)<<watermoney<<setw(10)<<powermoney<<endl;}};class Stu_Manage{Student Stu[TMAX]; //TMAX为常量，为数组中可存储的学生记录的最大数；int top; //top表示当前系统中存储的记录个数；public:Stu_Manage(){top=0;} //初始时记录的个数为0，所以设置top=0;void Add(); //实现该类记录的添加；void Show(); //实现该类所有记录的显示；void Search(); //实现该类记录的查询；void Edit(); //实现该类记录的修改；void Delete(); //实现该类记录的删除；void Total(); //实现该类记录的统计；void Save(); //将该类记录保存到文件；void Read(); //可从文件中将记录读取到该类的数组中；};void Stu_Manage::Add()//添加成员{if(top>=TMAX){cout<<"用户已满"<<endl;return;}Student s;cout<<"输入新添加的人员的信息"<<endl;s.Input();for(int i=0;i<top;i++)if (s.GetNum()==Stu[i].GetNum()){cout<<"该编号的人员已存在"<<endl;return;}Stu[top]=s;top=top+1;cout<<"添加成功!"<<endl;}void Stu_Manage::Show()//显示所有记录{if(top==0){cout<<"无数据!"<<endl;return;}cout<<" "<<"学号"<<" "<<"姓名"<<" "<<"性别"<<" "<<"年龄"<<" "<<"班级"<<setw(10)<<"用水量"<<setw(10)<<"用电量"<<setw(10)<<"水费"<<setw(10)<<"电费"<<endl;for(int i=0;i<top;i++)Stu[i].Output();}void Stu_Manage::Search()//查询{if(top==0){cout<<"当前系统中没有存储记录"<<endl;return;}int choice;cout<<"请选择查找方式:1.按姓名查询2.按用水量查询3.按用电量查询"<<endl;cin>>choice;switch(choice){case 1:{cout<<"请输入要查找的姓名"<<endl;string name;cin>>name;cout<<" "<<"学号"<<" "<<"姓名"<<" "<<"性别"<<" "<<"年龄"<<" "<<"班级"<<setw(10)<<"用水量"<<setw(10)<<"用电量"<<setw(10)<<"水费"<<setw(10)<<"电费"<<endl;for(int i=0;i<top;i++){if(Stu[i].GetName()==name){Stu[i].Output();}}return;cout<<"查无此人！"<<endl;}break;case 2:{cout<<"请输入要查找的水量:"<<endl;double water;cin>>water;cout<<" "<<"学号"<<" "<<"姓名"<<" "<<"性别"<<" "<<"年龄"<<" "<<"班级"<<setw(10)<<"用水量"<<setw(10)<<"用电量"<<setw(10)<<"水费"<<setw(10)<<"电费"<<endl;for(int i=0;i<top;i++){if(Stu[i].GetWater()==water){Stu[i].Output();}}return;cout<<"查无此人！"<<endl;}break;case 3:{cout<<"请输入要查找的电量:"<<endl;double power;cin>>power;cout<<" "<<"学号"<<" "<<"姓名"<<" "<<"性别"<<" "<<"年龄"<<" "<<"班级"<<setw(10)<<"用水量"<<setw(10)<<"用电量"<<setw(10)<<"水费"<<setw(10)<<"电费"<<endl;for(int i=0;i<top;i++){if(Stu[i].GetPower()==power){Stu[i].Output();}}return;cout<<"查无此人！"<<endl;}break;default :cout<<"无此选项!请重试!"<<endl;break;}}void Stu_Manage::Edit()//更改信息{if(top==0){cout<<"当前系统中没有存储记录!"<<endl;return;}int num;cout<<"请输入要查找的教编号:"<<endl;cin>>num;for(int i=0;i<top;i++){if(Stu[i].GetNum()==num){cout<<"请对这位学生的信息进行修改:"<<endl;Stu[i].Input();cout<<"修改成功"<<endl;return;}}cout<<"查无此人"<<endl;}void Stu_Manage::Delete()//删除信息{if(top==0){cout<<"当前系统中没有存储记录!"<<endl;return;}cout<<"1、按编号查找删除2、按姓名查找删除"<<endl;int choice;cin>>choice;switch(choice){case 1:{cout<<"请输入编号：";int num;cin>>num;for(int i=0;i<top;i++){if(num==Stu[i].num){cout<<"是否确认删除？1、是2、否"<<endl;int choice;cin>>choice;switch(choice){case 1:{for(int j=i;j<top-1;j++)Stu[j]=Stu[j+1];cout<<"删除成功！"<<endl;top--;};break;case 2:return;default:cout<<"无此项，失败！"<<endl;break;}return;}}cout<<"无此人！"<<endl;} ;break;case 2:{cout<<"请输入姓名：";string name;cin>>name;for(int i=0;i<top;i++){if(name==Stu[i].name){cout<<"是否确认删除？1、是2、否"<<endl;int choice;cin>>choice;switch(choice){case 1:{for(int j=i;j<top-1;j++)Stu[j]=Stu[j+1];cout<<"删除成功！"<<endl;top--;};break;case 2:return;default:cout<<"无此项，失败！"<<endl;break;}return;}}cout<<"无此人！"<<endl;}; break;default:cout<<"没有此项，失败："<<endl;break;}}void Stu_Manage::Total()//数据统计{cout<<"1 学生所用水电量的总量 2 学生总的水电费"<<endl;int choice;cout<<"请输入你的选择"<<endl;cin>>choice;switch(choice){case 1:{double zwater=0.0, zpower=0.0;for(int i=0; i<top; i++){zwater+=Stu[i].water;zpower+=Stu[i].power;}cout<<"学生的总用水量为"<<zwater<<endl;cout<<"学生的总用电量为"<<zpower<<endl;}break;case 2:{double zwatermoney=0.0, zpowermoney=0.0;for(int i=0; i<top; i++){zpowermoney+=Stu[i].powermoney;zwatermoney+=Stu[i].watermoney;}cout<<"教师的总水费为"<<zwatermoney<<endl;cout<<"教师的总电费为"<<zpowermoney<<endl;}break;default:cout<<"输入错误。