PS:大一下学期C++课程设计
1.成绩管理系统
#include<stdio.h>
#include<string>
#include<iostream>
#include<fstream>
#include<ostream>
#include<iomanip>//setw(),控制空格
#include<algorithm>//为了计算文件里面含有的对象个数
#include<windows.h>
#include<cstdlib>//防止^Z导致程序异常
#include<mmsystem.h>//控制音乐播放的头文件
#pragma comment(lib, "Winmm.lib")//控制音乐播放的头文件
using namespace std;
int N;
class Cstudent
{
public:
Cstudent()//构造函数，将成绩赋值为零
{
string grade;
grade = '0';
}
void display()//控制输出，进行左对齐
{
cout<<"姓名:"<<std::left<<setw(20)<<na;
cout<<"学号:"<<std::left<<setw(20)<<id;
cout<<"成绩:"<<std::left<<setw(20)<<gr;
}
void setdate(string name, string idnumber, string grade)//对私有变量进行复制
{
na = name;
id = idnumber;
gr = grade;
}
string student_name()
{
return na;
}
string student_idnumber()
{
return id;
}
string student_grade()
{
return gr;
}
string find_idnumber()//按照学号查找时学号
{
return id;
}
string find_NAME()//按照姓名查找时返回姓名
{
return na;
}
int count()
{
int score;
char* end;
string grade;
score = static_cast<int>(strtol(gr.c_str(), &end, 10));//使用strtol（string to long） 利用string的c_str()转化为C风格字符串
return score;
}
void revise()
{
char* end;
int grade_bian;
cout << "请根据以下提示进行修改。" << endl;
cout << "姓名：";
cin >> na;
cout << "学号：";
cin >> id;
cout << "成绩（0~100）：";
while(cin >> gr)
{
grade_bian=static_cast<int>(strtol(gr.c_str(), &end, 10));
if(grade_bian>=0&&grade_bian<=100)
{
break;
}
else
{
cout<<"输入有误！"<<endl;
cout << "请输入成绩（0~100）：";
}
}
}
private:
string na;
string id;
string gr;
};
Cstudent *p;//将要创建的对象做成指针类型
void mainjiemian()//主界面
{
cout << " ★-----★---------★---------★-----★" << endl;
cout << " 欢迎进入学生成绩管理系统 " << endl;
cout << " ☆ ☆" <<endl;
cout << " 1 录入学生信息 " << endl;
cout << " ☆ 2 输出学生信息 ☆" << endl;
cout << " 3 查询学生信息 " << endl;
cout << " ☆ 4 修改学生信息 ☆" << endl;
cout << " 5 统计学生信息 " << endl;
cout << " ☆ 6 文件录入信息 ☆" << endl;
cout << " 7 文件读取信息 " << endl;
cout << " ☆ 8 退出学生系统 ☆" << endl;
cout << endl;
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
cout << endl;
cout << "请选择数字命令：";
}
void help()//进入显示
{
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
cout << " ☆ 制作小软件，我们是认真的！ ☆" << endl;
cout << endl;
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
cout << " Made By 刘建伟" << endl;
cout << endl;
cout << "请输入学生数："<<endl;
}
void jieshu()//结束显示
{
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
cout << " ☆ 感谢您的使用！ ☆" << endl;
cout << endl;
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
}
void kaobei()//拷贝文件到test1.txt
{
char ch;
ifstream file("H:\\student_in.txt");//读取H盘文件
ofstream file1("H:/test1.txt");//创建文本文件
while(file.get(ch))//读取文本内容
{
//cout<<ch;//输出文本内容到控制台
file1<<ch;//写入内容到文件
}
file.close();//关闭文件流
file1.close();//关闭文件流
cout<<endl;
}
void play()
{
// 注意PlaySound只能播放没有经过压缩的wav格式的声音文件
PlaySound("H:\\yinyue.wav",NULL,SND_FILENAME|SND_ASYNC);//控制音乐输出，带有三个参数，loop为阻塞
}
int line()
{
ifstream file1("H:\\test1.txt");//没有就创建
string str;
int line = 0;
while (file1)
{
getline(file1, str);
remove(str.begin(), str.end(), ' ');//删除从文件开始到结束中的空格
remove(str.begin(), str.end(), '\t');//删除从文件开始到结束中的空格
if (str.length() > 0)//如果有一行除去空格之后不为零就算作是一个对象
line++;
}
return line;
}
int main()
{
play();//播放音乐
system("color 57");
help();
int line_file;//文件里的学生数和总的学生数
int i;
string in;//命令
int n;//键盘输入的学生数
int flag_case1 = 0;//是否执行了第一步
int flag_case7 = 0;//是否执行了第七步
int panduan;
char* end;//末端指针
string sn;
while(cin>>sn)
{
/*if (!cin)
{
cin.clear();//清除cin的错误状态
cin.sync();//清空cin缓冲区里面未读取的信息...
cout << "输入错误，重新返回主界面。" << endl;
//system("pause");
//cout<<flush;
system("cls");
help();
continue;
}*/
int flag_sn=0;
int l_sn=sn.length();
n=static_cast<int>(strtol(sn.c_str(), &end, 10));
if(l_sn>0&&l_sn<5)
{
for(i=0;i<l_sn;i++)
{
if(sn.at(i)>='0'&&sn.at(i)<='9')
{
flag_sn=0;
}
else
{
flag_sn=1;
}
}
}
else
{
flag_sn=1;
}
if(flag_sn==1)
{
cout<<"输入有误！"<<endl;
system("pause");
system("cls");
help();
}
else
{
break;
}
}
kaobei();//拷贝文件
line_file = line();
N = n + line_file;
p = new Cstudent[N];
do
{
system("cls");
mainjiemian();
cin >> in;
if (!cin)
{
cin.clear();//清除cin的错误状态
cin.sync();//清空cin缓冲区里面未读取的信息...
cout << "输入错误，重新返回主界面。" << endl;
system("pause");
//cin >>in;
continue;
}
if(in.length()<2)
panduan = static_cast<int>(strtol(in.c_str(), &end, 10));
else
panduan=0;
switch (panduan+48)
{
case'1'://**************************录入学生信息
{
system("cls");
string name;
string idnumber;
string grade;
for (i = 0; i < n; i++)
{
double grade_bian;
cout<<"输入第"<<i+1<<"位同学的信息。"<<endl;
cout << "请输入姓名：";
cin >> name;
cout << "请输入学号：";
while(cin >> idnumber)
{
int flag_09=0;
int l_idnumber=idnumber.length();
for(int j=0;j<l_idnumber;j++)
{
char linshi=idnumber[j];
if(linshi>='0'&&linshi<='9')
{
flag_09=1;
}
else
{
flag_09=0;
break;
}
}
if(flag_09==1)
{
int flag_idnumber=0;
for(int j=0;j<N;j++)
{
if(idnumber==p[j].student_idnumber())
{
flag_idnumber=1;
}
}
if(flag_idnumber==0)
{
break;
}
else
{
cout<<"学号已经存在，输入有误"<<endl;
cout << "请输入学号：";
}
}
if(flag_09==0)
{
cout<<"请输入数字类型的学号!"<<endl;
cout<<"请输入学号：";
}
}
cout << "请输入成绩（0~100）：";//判断成绩是否在规定的区间
while(cin >> grade)
{
int l_grade=grade.length();
grade_bian=static_cast<int>(strtol(grade.c_str(), &end, 10));//将成绩转化为int型来判断大小
if(l_grade>1)
{
if(grade_bian>=0&&grade_bian<=100&&l_grade<=3&&grade.at(l_grade-1)>='0'&&grade.at(l_grade-1)<='9'&&grade.at(l_grade-2)>='0'&&grade.at(l_grade-2)<='9')
{ //利用at()来返回字符串中某个位置处的函数
break;
}
else
{
cout<<"输入有误！"<<endl;
cout << "请输入成绩（0~100）：";
}
}
else
{
if(grade_bian>=0&&grade_bian<=100&&l_grade<=3&&grade.at(l_grade-1)>='0'&&grade.at(l_grade-1)<='9')
{ //利用at()来返回字符串中某个位置处的函数
break;
}
else
{
cout<<"输入有误！"<<endl;
cout << "请输入成绩（0~100）：";
}
}
}
p[i].setdate(name, idnumber, grade);//将输入的数据传给私有变量
}
flag_case1 = 1;//执行过第一步就标志为1
system("pause");
break;
}
case'2'://***************************输出学生信息
{
system("cls");
if (flag_case7 == 1&&flag_case1==0)
{
for (i = n; i < N; i++)
{
cout << "student" << "[" << i + 1 << "]" << ":\t";
p[i].display();
cout << endl;
}
}
else if(flag_case7 == 0&&flag_case1==1)
{
for (i = 0; i < n; i++)
{
cout << "student" << "[" << i + 1 << "]" << ":\t";
p[i].display();
cout << endl;
}
}
else if(flag_case7 == 1&&flag_case1==1)
{
for (i = 0; i < N; i++)
{
cout << "student" << "[" << i + 1 << "]" << ":\t";
p[i].display();
cout << endl;
}
}
else
{
cout << "请先执行第一步或第七步之后再执行此步骤！" << endl;
cout << "即将返回主页面进行重新选择..." << endl;
}
system("pause");
break;
}
case'3'://***********************查询学生信息
{
system("cls");
if (flag_case1 == 1||flag_case7==1)
{
int flag_find;
cout<<"请选择查询方式：1.按学号查询 2.按姓名查询"<<endl;
cin>>flag_find;
if(flag_find==1)
{
cout << "请输入要查询的学生学号：" << endl;
string idnumber;
int flag;
cin >> idnumber;
for (i = 0; i < N; i++)
{
if (p[i].find_idnumber() == idnumber)
{
p[i].display();
flag = 1;
cout << endl;
}
}
if (flag != 1)
{
cout << "输入信息有误，查询无果。" << endl;
}
}
if(flag_find==2)
{
cout << "请输入要查询的学生姓名：" << endl;
string NAME;
int flag;
cin>>NAME;
for(i=0;i<N;i++)
{
if(p[i].find_NAME()==NAME)
{
p[i].display();
flag = 1;
cout << endl;
}
}
if (flag != 1)
{
cout << "输入信息有误，查询无果。" << endl;
}
}
}
else
{
cout << "请先执行第一步或第七步之后再执行此步骤！" << endl;
cout << "即将返回主页面进行重新选择..." << endl;
}
system("pause");
break;
}
case'4'://****************************修改学生信息
{
system("cls");
if (flag_case1 == 1||flag_case7==1)
{
int flag_4=0;
cout << "请输入要修改的学生学号：" << endl;
string idnumber;
string name;
string grade;
cin >> idnumber;
int grade_bian;
cout<<endl;
for (i = 0; i < N; i++)
{
if (p[i].find_idnumber() == idnumber)
{
cout<<"修改之前的信息："<<endl;
p[i].display();
cout<<endl<<endl;
cout<<"请根据以下提示进行修改："<<endl;
cout << "请输入姓名：";
cin >> name;
cout << "请输入学号：";
while(cin >> idnumber)
{
int flag_09=0;
int l_idnumber=idnumber.length();
for(int j=0;j<l_idnumber;j++)
{
char linshi=idnumber[j];
if(linshi>='0'&&linshi<='9')
{
flag_09=1;
}
else
{
flag_09=0;
break;
}
}
if(flag_09==1)
{
int flag_idnumber=0;
for(int j=0;j<N;j++)
{
if(idnumber==p[j].student_idnumber())
{
flag_idnumber=1;
}
}
if(flag_idnumber==0)
{
break;
}
else
{
cout<<"学号已经存在，输入有误"<<endl;
cout << "请输入学号：";
}
}
if(flag_09==0)
{
cout<<"请输入数字类型的学号!"<<endl;
cout<<"请输入学号：";
}
}
cout << "请输入成绩（0~100）：";//判断成绩是否在规定的区间
while(cin >> grade)
{
int l_grade=grade.length();
grade_bian=static_cast<int>(strtol(grade.c_str(), &end, 10));//将成绩转化为int型来判断大小
if(l_grade>1)
{
if(grade_bian>=0&&grade_bian<=100&&l_grade<=3&&grade.at(l_grade-1)>='0'&&grade.at(l_grade-1)<='9'&&grade.at(l_grade-2)>='0'&&grade.at(l_grade-2)<='9')
{ //利用at()来返回字符串中某个位置处的函数
break;
}
else
{
cout<<"输入有误！"<<endl;
cout << "请输入成绩（0~100）：";
}
}
else
{
if(grade_bian>=0&&grade_bian<=100&&l_grade<=3&&grade.at(l_grade-1)>='0'&&grade.at(l_grade-1)<='9')
{ //利用at()来返回字符串中某个位置处的函数
break;
}
else
{
cout<<"输入有误！"<<endl;
cout << "请输入成绩（0~100）：";
}
}
}
p[i].setdate(name, idnumber, grade);//将输入的数据传给私有变量
//p[i].revise();
//cout<<endl;
cout << "修改成功！" << endl;
cout<<"修改之后的信息："<<endl;
p[i].display();
ofstream ofile("H:\\student_in.txt", ios::out);
//把三个私有变量信息插入到文件
ofile << p[i].student_name() << "\t";
ofile << p[i].student_idnumber() << "\t";
ofile << p[i].student_grade() << endl;
cout<<endl<<endl;
flag_4=1;
}
}
if(flag_4==0)
{
cout<<"查询无果！无法进行修改。"<<endl;
}
}
else
{
cout << "请先执行第一步或第七步之后再执行此步骤！" << endl;
cout << "即将返回主页面进行重新选择..." << endl;
}
cout<<endl;
system("pause");
break;
}
case'5'://****************************统计输出学生信息
{
system("cls");
if (flag_case1 == 1||flag_case7==1)//通过判断有没有执行第一步和第七步来判断统计输出时总数的大小
{
int zongshu;
if (flag_case7 == 1&&flag_case1==0)
{
zongshu=N;
}
if(flag_case7 == 0&&flag_case1==1)
{
zongshu=n;
}
if(flag_case7 == 1&&flag_case1==1)
{
zongshu=N;
}
cout << "学生成绩信息统计分布" << endl;
Cstudent *q, *r, *s, *t, *z;
q = new Cstudent[zongshu];
r = new Cstudent[zongshu];
s = new Cstudent[zongshu];
t = new Cstudent[zongshu];
z = new Cstudent[zongshu];
int qq = 0, rr = 0, ss = 0, tt = 0, zz = 0;//每个分数段的标志
if(flag_case1==1)
i=0;
else
i=n;
for (i; i < zongshu; i++)
{
if (p[i].count() < 60)
{
q[qq] = p[i];
qq = qq + 1;
}
else if (p[i].count() <= 69)
{
r[rr] = p[i];
rr = rr + 1;
}
else if (p[i].count() <= 79)
{
s[ss] = p[i];
ss = ss + 1;
}
else if (p[i].count() <= 89)
{
t[tt] = p[i];
tt = tt + 1;
}
else if (p[i].count() <= 100)
{
z[zz] = p[i];
zz = zz + 1;
}
}
if (qq != 0)
{
cout << "低于60分的学生：" << endl << endl;
for (int i = 0; i < qq; i++)
{
q[i].display();
cout << endl;
}
cout << endl;
}
else
cout << "没有低于60分的学生" << endl << endl;
if (rr != 0)
{
cout << "60分到69分的学生信息:" << endl << endl;
for (int i = 0; i < rr; i++)
{
r[i].display();
cout << endl;
}
cout << endl;
}
else
cout << "没有60分到69分的学生" << endl << endl;
if (ss != 0)
{
cout << "70分到79分的学生信息:" << endl << endl;
for (int i = 0; i < ss; i++)
{
s[i].display();
cout << endl;
}
cout << endl;
}
else
cout << "没有70分到79分的学生" << endl << endl;
if (tt != 0)
{
cout << "80分到89分的学生信息:" << endl << endl;
for (int i = 0; i < tt; i++)
{
t[i].display();
cout << endl;
}
cout << endl;
}
else
cout << "没有80分到89分的学生" << endl << endl;
if (zz != 0)
{
cout << "90分到100分的学生信息:" << endl << endl;
for (int i = 0; i < zz; i++)
{
z[i].display();
cout << endl;
}
cout << endl;
}
else
cout << "没有90分到100分的学生" << endl << endl;
if(flag_case1==1)
i=0;
else
i=n;
ofstream ofile("H:\\student_in.txt", ios::out);
for (i ; i < zongshu; i++)
{//把三个私有变量信息插入到文件
ofile << p[i].student_name() << "\t";
ofile << p[i].student_idnumber() << "\t";
ofile << p[i].student_grade() << endl;
}
cout << "即将返回页面主菜单,进行重新选择" << endl;
}
else
{
cout << "请先执行第一步或第七步之后再执行此步骤！" << endl;
cout << "即将返回主页面进行重新选择..." << endl;
}
system("pause");
break;
}
case'6'://******************************将学生信息保存到磁盘文件当中，利用追加的方式
{
system("cls");
if (flag_case1 == 1||flag_case7==1)
{
for (int i = 0; i < n; i++)
{
cout << "student" << "[" << i + 1 << "]" << ":\t";
p[i].display();
cout << endl;
}
ofstream ofile("H:\\student_in.txt", ios::app);
for (i = 0; i < n; i++)
{//把三个私有变量信息插入到文件
ofile << p[i].student_name() << "\t";
ofile << p[i].student_idnumber() << "\t";
ofile << p[i].student_grade() << endl;
}
cout << endl;
cout << "所有学生信息都已保存完毕。" << endl;
}
else
{
cout << "请先执行第一步之后再执行此步骤！" << endl;
cout << "即将返回主页面进行重新选择..." << endl;
}
system("pause");
break;
}
case'7'://*************************从磁盘文件中读入学生信息，并创建学生类对象
{
system("cls");
ifstream ofile;
string name;
string idnumber;
string grade;
int i = n;
ofile.open("H:\\student_in.txt", ios::in);
if (ofile.is_open())
{
for ( i = n; i < N; i++)
{//依次提取学生三个基本私有变量信息
ofile >> name;
ofile >> idnumber;
ofile >> grade;
p[i].setdate(name, idnumber, grade);
if (i >= N)
{
cout << "文件数据已经全部导入。" << endl;
cout << "当前学生数量：" << i << endl;
cout << "当前存储容量已达到最大值！" << endl;
break;
}
}
if(flag_case1==1)
{
for (i = 0; i < N; i++)
{
cout << "student" << "[" << i + 1 << "]" << ":\t";
p[i].display();
cout << endl;
}
}
else
{
for (i = n; i < N; i++)
{
cout << "student" << "[" << i + 1 << "]" << ":\t";
p[i].display();
cout << endl;
}
}
/*for (i = 0; i < N; i++)
{
p[i].display();
cout << endl;
}*/
cout << "已成功导入的学生数量：" << i << endl;
flag_case7 = 1;
}
else
{
cout << "打开文件时出错！";
}
ofile.close();
system("pause");
break;
}
case'8'://*************************系统退出功能
{
system("cls");
jieshu();
break;
}
default:
{
cin.clear();
cin.sync();
cout << "输入错误，重新返回主界面。" << endl;
system("pause");
break;
}
}
} while (panduan != 8);
return 0;
}
2.复数
#include<iostream>
#include<string>
#pragma warning (disable: 4786)
#include<vector>
using namespace std;
class CComplex;
ostream& operator<<(ostream& os,CComplex&p);
istream& operator>>(istream& is,CComplex&p);
CComplex operator-(double d,const CComplex&c2);
CComplex* p;
int i;
int n;
int flag=0;
int flag_case3=0,flag_case4=0,flag_case5=0,flag_case6=0,flag_case7=0;
int l;
class CComplex
{
public:
friend ostream& operator<<(ostream&,CComplex&);
friend istream& operator>>(istream&,CComplex&);
CComplex operator+(const CComplex&c);
CComplex operator-(const CComplex&c);
CComplex operator+(double d);
CComplex operator-(double d);
CComplex(double re=0.0,double im=0.0)
{
real=re;
imag=im;
}
friend CComplex operator-(double d,const CComplex&c2);
CComplex operator=(const CComplex&c);
CComplex operator[](int z);
double Real()
{
return real;
}
double Imag()
{
return imag;
}
void Dispaly()
{
if(real==0)
{
if(imag>0)
cout<<imag<<"i"<<endl;
if(imag==0)
cout<<real<<endl;
if(imag<0)
cout<<imag<<"i"<<endl;
}
else
{
if(imag>0)
cout<<real<<"+"<<imag<<"i"<<endl;
if(imag<0)
cout<<real<<imag<<"i"<<endl;
if(imag==0)
cout<<real<<endl;
}
}
private:
double real;
double imag;
};
ostream& operator<<(ostream& os,CComplex&p)
{
if(p.real==0)
{
if(p.imag>0)
os<<p.imag<<"i"<<endl;
if(p.imag==0)
os<<p.real<<endl;
if(p.imag<0)
os<<p.imag<<"i"<<endl;
}
else
{
if(p.imag>0)
os<<p.real<<"+"<<p.imag<<"i"<<endl;
if(p.imag<0)
os<<p.real<<p.imag<<"i"<<endl;
if(p.imag==0)
os<<p.real<<endl;
}
return os;
}
istream& operator>>(istream& is,CComplex&p)
{
is>>p.real>>p.imag;
return is;
}
CComplex CComplex::operator+(const CComplex& c)
{
CComplex t;
t.real=real+c.real;
t.imag=imag+c.imag;
return t;
}
CComplex CComplex::operator-(const CComplex& c)
{
CComplex t;
t.real=real-c.real;
t.imag=imag-c.imag;
return t;
}
CComplex CComplex::operator=(const CComplex& c)
{
real=c.real;
imag=c.imag;
return *this;
}
CComplex CComplex::operator+(double d)
{
CComplex t;
t.real=real+d;
t.imag=imag;
return t;
}
CComplex CComplex::operator-(double d)
{
CComplex t;
t.real=real-d;
t.imag=imag;
return t;
}
istream & operator>>(istream & in,vector<string>& s)
{
string str;
in>>str;
s.push_back(str);
return in;
}
CComplex operator-(double d,const CComplex &c2)
{
return CComplex(d-c2.real,c2.imag);
}
CComplex CComplex::operator[](int z)
{
cout<<"liujianwei"<<endl;
return (z-1);
}
void xianshi()
{
for(i=0;i<=n-1;i++)
{
cout<<"("<<i+1<<"):";
p[i].Dispaly();
}
}
void zhujiemian()
{
cout << " ************************************" << endl;
cout << " 欢迎进入复数计算界面 " << endl;
cout << endl;
cout << " 1 输入复数信息 " << endl;
cout << " 2 输出复数信息 " << endl;
cout << " 3 两个复数加和 " << endl;
cout << " 4 两个复数相减 " << endl;
cout << " 5 实数复数相加 " << endl;
cout << " 6 实数复数相减 " << endl;
cout << " 7 复数之间赋值 " << endl;
cout << " 8 获取特定复数 " << endl;
cout << " 9 退出当前界面 " << endl;
cout << endl;
cout << " ************************************" << endl;
cout << endl;
cout << "请选择数字命令：";
}
int main()
{
system("color 0b");
string c1,c2;
int c1_int,c2_int;
char* end;
double shishu;
char in;
cout<<"注意：除了键盘输入复数的个数之外，系统将自动开辟6个空间，用于保存计算结果。"<<endl;
cout<<"请输入复数个数：";
cin>>n;
cout<<endl;
p=new CComplex[n+7];
do
{
system("cls");
//system("color 1b");
zhujiemian();
cin >> in;
switch(in)
{
case'1':
{
system("cls");
for(i=0;i<n;i++)
{
cout<<"输入第"<<i+1<<"个的实部和虚部："<<endl;
cin>>p[i];
}
for(i=0;i<n;i++)
{
cout<<"("<<i+1<<"):";
cout<<p[i];
}
system("pause");
break;
}
case'2':
{
system("cls");
xianshi();
if(flag_case3==1)
{
cout<<"("<<n+1<<"):";
p[n+1].Dispaly();
}
if(flag_case4==1)
{
cout<<"("<<n+2<<"):";
p[n+2].Dispaly();
}
if(flag_case5==1)
{
cout<<"("<<n+3<<"):";
p[n+3].Dispaly();
}
if(flag_case6==1)
{
cout<<"("<<n+4<<"):";
p[n+4].Dispaly();
cout<<"("<<n+5<<"):";
p[n+5].Dispaly();
}
if(flag_case7==1)
{
cout<<"("<<n+6<<"):";
p[n+6].Dispaly();
}
system("pause");
break;
}
case'3':
{
system("cls");
xianshi();
cout<<"请输入想加和的两位复数的下标"<<endl;
while(cin>>c1>>c2)
{
c1_int=static_cast<int>(strtol(c1.c_str(), &end, 10));
c2_int=static_cast<int>(strtol(c2.c_str(), &end, 10));
if(c1_int>n||c2_int>n)
{
cout<<"输入的下标不在所给范围内部!"<<endl;
cout<<"请输入想加和的两位复数的下标"<<endl;
}
else
{
break;
}
}
p[n+1]=p[c1_int-1]+p[c2_int-1];
cout<<"计算结果为："<<p[n+1];
flag_case3=1;
system("pause");
break;
}
case'4':
{
system("cls");
xianshi();
cout<<"请输入想相减的两位复数的下标"<<endl;
while(cin>>c1>>c2)
{
c1_int=static_cast<int>(strtol(c1.c_str(), &end, 10));
c2_int=static_cast<int>(strtol(c2.c_str(), &end, 10));
if(c1_int>n||c2_int>n)
{
cout<<"输入的下标不在所给范围内部!"<<endl;
cout<<"请输入想相减的两位复数的下标"<<endl;
}
else
{
break;
}
}
p[n+2]=p[c1_int-1]-p[c2_int-1];
cout<<"计算结果为："<<p[n+2];
flag_case4=1;
system("pause");
break;
}
case'5':
{
system("cls");
xianshi();
cout<<"请输入想加和的一位实数"<<endl;
cin>>shishu;
cout<<"请输入想加和复数的下标"<<endl;
while(cin>>c1)
{
c1_int=static_cast<int>(strtol(c1.c_str(), &end, 10));
if(c1_int>n)
{
cout<<"输入的下标不在所给范围内部!"<<endl;
cout<<"请输入想加和复数的下标"<<endl;
}
else
{
break;
}
}
p[n+3]=p[c1_int-1]+shishu;
cout<<"复数和实数的计算结果为："<<p[n+3]<<endl;
cout<<"实数和复数的计算结果为："<<p[n+3]<<endl;
cout<<"满足交换律！"<<endl;
flag_case5=1;
system("pause");
break;
}
case'6':
{
system("cls");
xianshi();
cout<<"请输入想相减的一位实数"<<endl;
cin>>shishu;
cout<<"请输入想相减复数的下标"<<endl;
while(cin>>c1)
{
c1_int=static_cast<int>(strtol(c1.c_str(), &end, 10));
if(c1_int>n)
{
cout<<"输入的下标不在所给范围内部!"<<endl;
cout<<"请输入想相减复数的下标"<<endl;
}
else
{
break;
}
}
p[n+4]=p[c1_int-1]-shishu;
cout<<"当实数当作被减数时："<<endl;
cout<<"计算结果为："<<p[n+4];
cout<<"当复数当作被减数时："<<endl;
p[n+5]=shishu-p[c1_int-1];
cout<<"计算结果为："<<p[n+5];
if((p[n+4].Real()==p[n+5].Real())&&(p[n+4].Imag()==p[n+5].Imag()))
{
cout<<"满足交换律！"<<endl;
}
else
{
cout<<"不满足交换律"<<endl;
}
flag_case6=1;
system("pause");
break;
}
case'7':
{
system("cls");
xianshi();
if(flag_case3==1)
{
cout<<"("<<n+1<<"):";
p[n+1].Dispaly();
}
if(flag_case4==1)
{
cout<<"("<<n+2<<"):";
p[n+2].Dispaly();
}
if(flag_case5==1)
{
cout<<"("<<n+3<<"):";
p[n+3].Dispaly();
}
if(flag_case6==1)
{
cout<<"("<<n+4<<"):";
p[n+4].Dispaly();
cout<<"("<<n+5<<"):";
p[n+5].Dispaly();
}
if(flag_case7==1)
{
cout<<"("<<n+6<<"):";
p[n+6].Dispaly();
}
cout<<"请输入需要赋值的下标"<<endl;
while(cin>>c1)
{
c1_int=static_cast<int>(strtol(c1.c_str(), &end, 10));
if(c1_int>n+6)
{
cout<<"输入的下标不在所给范围内部!"<<endl;
cout<<"请输入需要赋值的下标"<<endl;
}
else
{
break;
}
}
p[n+6]=p[c1_int-1];
cout<<"则第"<<n+6<<"个复数值为:"<<p[n+6]<<endl;
flag=1;
flag_case7=1;
system("pause");
break;
}
case'8':
{
system("cls");
xianshi();
if(flag_case3==1)
{
cout<<"("<<n+1<<"):";
p[n+1].Dispaly();
}
if(flag_case4==1)
{
cout<<"("<<n+2<<"):";
p[n+2].Dispaly();
}
if(flag_case5==1)
{
cout<<"("<<n+3<<"):";
p[n+3].Dispaly();
}
if(flag_case6==1)
{
cout<<"("<<n+4<<"):";
p[n+4].Dispaly();
cout<<"("<<n+5<<"):";
p[n+5].Dispaly();
}
if(flag_case7==1)
{
cout<<"("<<n+6<<"):";
p[n+6].Dispaly();
}
cout<<"请输入想获取复数的下标"<<endl;
while(cin>>c1)
{
c1_int=static_cast<int>(strtol(c1.c_str(), &end, 10));
if(c1_int>n+6)
{
cout<<"输入的下标不在所给范围内部!"<<endl;
cout<<"请输入需要赋值的下标"<<endl;
}
else
{
break;
}
}
cout<<"第"<<c1_int<<"个复数值为:"<<p[c1_int-1]<<endl;
system("pause");
break;
}
case'9':
{
cout << "即将退出界面" << endl;
break;
}
default:
{
cin.clear();
cin.sync();
cout << "输入错误，请重新输入命令：" << endl;
system("pause");
break;
}
}
}while(in!='9');
return 0;
}
3.几何形体
#include<iostream>
#include<cmath>
#include<string>
using namespace std;
double max(double x,double y)
{
return x>y?x:y;
}
const double PI=3.1415926535;
class Geometric_shape
{
public:
virtual double perimeter()=0;//周长
virtual double area()=0;//面积
virtual double volume()=0;//体积
virtual void Show(){};
};
class Circle:public Geometric_shape//圆
{
double radius;
public:
Circle(){radius=0;}//构造函数
Circle(double vv){radius=vv;}
double perimeter(){return 2.0*PI*radius;}//周长
double area(){return PI*radius*radius;}//面积
double volume(){return 0;}
double ceshi(){return radius;}
void Show(){cout<<"半径="<<radius<<endl;}
};
class Rectangle:public Geometric_shape//长方形
{
double width,length;//宽、长
public:
Rectangle(){width=0;length=0;}//构造 长、宽
Rectangle(double wid,double len)
{
width=wid;
length=len;
}
Rectangle(Rectangle& rr)
{
width=rr.width;
length=rr.length;
}
double perimeter(){return 2.0*(width+length);}//周长
double area(){return width*length;}//面积
double volume(){return 0;}//体积
double ceshi1(){return width;}
double ceshi2(){return length;}
void Show(){cout<<"宽="<<width<<'\n'<<"长="<<length<<endl;}
};
class Triangle:public Geometric_shape//三角形
{
double a,b,c;
public:
Triangle(){a=0;b=0;c=0;}
Triangle(double v1){a=v1;}
Triangle(double v1,double v2,double v3){a=v1;b=v2;c=v3;}
double perimeter(){return a+b+c;}//周长
double area()//面积
{
double s=(a+b+c)/2.0;
return sqrt(s*(s-a)*(s-b)*(s-c));
}
double volume(){return 0;}//体积
void Show(){cout<<"边长a="<<a<<'\n'<<"边长b="<<b<<'\n'<<"边长c="<<c<<endl;}
double ceshi1(){return a;}
double ceshi2(){return b;}
double ceshi3(){return c;}
};
class Cube:public Rectangle//正方体
{
double height;
public:
Cube(){}
Cube(double wid,double len,double heg):Rectangle(wid,len){height=heg;}
double area(){return Rectangle::area()*6;}
double volume(){return sqrt(Rectangle::area())*Rectangle::area();}
double ceshi(){return height;}
void Show(){Rectangle::Show();cout<<"高="<<height<<endl;}
};
class Box:public Rectangle//长方体
{
double height;
public:
Box(){height=0;}
Box(double wid,double len,double heg):Rectangle(wid,len){height=heg;}
double area(){return Rectangle::area()*2+height*(Rectangle::perimeter());}
double ceshi(){return height;}
double volume(){return Rectangle::area()*height;}//体积
};
class Cylinder:public Circle//圆柱体
{
double height;
public:
Cylinder(){height=0;}
Cylinder(double vv,double heg):Circle(vv){height=heg;}
double volume(){return Circle::area()*height;}
double ceshi(){return height;}
void Show(){Circle::Show();cout<<"高="<<height<<endl;}
};
class Cone:public Circle//圆锥体
{
double genera;//母线
public:
Cone(){genera=0;}
Cone(double vv,double gen):Circle(vv){genera=gen;}
double area(){return Circle::area()+sqrt(Circle::area()/PI)*genera;}
double volume(){return Circle::area()/3*sqrt(genera*genera-Circle::area()/PI);}
void Show(){Circle::Show();cout<<"母线="<<genera<<endl;}
double ceshi(){return genera;}
};
class Three_pyramid:public Triangle//正三棱锥
{
double dd;//侧棱长
public:
Three_pyramid(){dd=0;}
Three_pyramid(double a,double b,double c,double d):Triangle(a,b,c){dd=d;}
double area(){return Triangle::area()+3*sqrt(Triangle::area()*4/sqrt(3))/2*sqrt(dd*dd-Triangle::area()/sqrt(3));}
double volume(){return Triangle::area()/3*sqrt(dd*dd-Triangle::area()*4/sqrt(3)/3);}
void Show(){Triangle::Show();cout<<"侧棱="<<dd<<endl;}
double ceshi(){return dd;}
};
void mainjiemian()
{
cout << " ★-----★---------★---------★-----★" << endl;
cout << " 欢迎进入几何图形计算系统 " << endl;
cout << " ☆ ☆" <<endl;
cout << " 0 圆 " << endl;
cout << " ☆ 1 圆锥 ☆" << endl;
cout << " 2 圆柱体 " << endl;
cout << " ☆ 3 矩形 ☆" << endl;
cout << " 4 正方体 " << endl;
cout << " ☆ 5 长方体 ☆" << endl;
cout << " 6 三角形 " << endl;
cout << " ☆ 7 正三棱锥 ☆" << endl;
cout << " 8 比较面积 " << endl;
cout << " ☆ 9 退出 ☆" << endl;
cout << endl;
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
cout << endl;
cout << "请选择数字命令：";
}
void jieshu()//结束显示
{
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
cout << " ☆ 感谢您的使用！ ☆" << endl;
cout << endl;
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
}
int main()
{
system("color 0b");
int panduan;
string in;//命令
char* end;//末端指针
Geometric_shape* gs;
double c1r=0;//圆的半径
double co1r=0,co1ge=0;//圆锥半径与母线长
double cy1r=0,cy1h=0;//圆柱底面半径与高
double re1w=0,re2l=0;//矩形的宽与长
double cu1w=0,cu1l=0,cu1h=0;//正方体的棱长
double bo1w=0,bo1l=0,bo1h=0;//长方体的宽、长、高
double tr1a=0,tr1b=0,tr1c=0;//三角形的三边长度
double th1b=0,th1c=0,th1a=0,th1d=0;//正三棱锥底面边长与侧棱长
double bj[14]={0};
do
{
system("color DE");
panduan =10;
system("cls");
mainjiemian();
cin >> in;
if (!cin)
{
cin.clear();//清除cin的错误状态
cin.sync();//清空cin缓冲区里面未读取的信息...
cout << "输入错误，重新返回主界面。" << endl;
system("pause");
//cin >>in;
continue;
}
if(in.length()<2)
panduan = static_cast<int>(strtol(in.c_str(), &end, 10));
switch (panduan+48)
{
case'0':
{
system("cls");
cout<<"请输入圆的半径："<<endl;
cin>>c1r;
Circle c1(c1r);
try
{
double ceshi;
ceshi=c1.ceshi();
if(ceshi<0)
{
cout<<"圆的半径:"<<ceshi<<endl;
throw "圆的半径小于0，无法计算\n";
}
else
{
gs=&c1;
gs->Show();
cout<<"圆周长："<<c1.perimeter()<<'\t';
cout<<"圆面积："<<c1.area()<<'\t';
cout<<"圆体积："<<c1.volume()<<endl<<endl;
}
}
catch(char* message)
{
cout<<message<<endl;
}
bj[0]=c1.area();
system("pause");
break;
}
case'1':
{
system("cls");
cout<<"请输入圆锥半径："<<endl;
cin>>co1r;
cout<<"请输入圆锥母线长度"<<endl;
cin>>co1ge;
Cone co1(co1r,co1ge);
try
{
double ceshi1,ceshi2;
ceshi1=co1.Circle::ceshi();
ceshi2=co1.Cone::ceshi();
if(ceshi1<=0||ceshi2<=0||ceshi1>=ceshi2)
{
cout<<"底面半径:"<<ceshi1<<'\t'<<"圆锥母线:"<<ceshi2<<endl;
throw "[1].底面半径与圆锥母线两项值存在小于0\n[2].母线长小于底面半径的，无法计算\n";
}
else
{
gs=&co1;
gs->Show();
cout<<"圆锥底周长："<<co1.perimeter()<<'\t';
cout<<"圆锥表面积："<<co1.area()<<'\t';
cout<<"圆锥体积："<<co1.volume()<<endl<<endl;
}
}
catch(char* message)
{
cout<<message<<endl;
}
bj[1]=co1.Circle::area();
bj[2]=co1.area();
system("pause");
break;
}
case'2':
{
system("cls");
cout<<"请输入圆柱半径："<<endl;
cin>>cy1r;
cout<<"请输入圆柱的高"<<endl;
cin>>cy1h;
Cylinder cy1(cy1r,cy1h);
try
{
double ceshi1,ceshi2;
ceshi1=cy1.Circle::ceshi();
ceshi2=cy1.Cylinder::ceshi();
if(ceshi1<=0||ceshi2<=0)
{
cout<<"底面半径:"<<ceshi1<<'\t'<<"圆柱的高"<<ceshi2<<endl;
throw "底面半径与圆柱的高两项值存在小于0的，无法计算\n";
}
else
{
gs=&cy1;
gs->Show();
cout<<"圆柱底周长："<<cy1.perimeter()<<'\t';
cout<<"圆柱表面积："<<cy1.area()<<'\t';
cout<<"圆柱体积："<<cy1.volume()<<endl<<endl;
}
}
catch(char* message)
{
cout<<message<<endl;
}
bj[3]=cy1.Circle::area();
bj[4]=cy1.area();
system("pause");
break;
}
case'3':
{
system("cls");
cout<<"请输入矩形的宽与长："<<endl;
cin>>re1w;
cout<<"请输入巨熊的长："<<endl;
cin>>re2l;
Rectangle re1(re1w,re2l);
try
{
double ceshi1,ceshi2;
ceshi1=re1.Rectangle::ceshi1();
ceshi2=re1.Rectangle::ceshi2();
if(ceshi1<=0||ceshi2<=0)
{
cout<<"矩形的宽:"<<ceshi1<<'\t'<<"矩形的长"<<ceshi2<<endl;
throw "矩形的宽与长两项值存在小于0的，无法计算\n";
}
else
{
gs=&re1;
gs->Show();
cout<<"矩形周长："<<re1.perimeter()<<'\t';
cout<<"矩形面积："<<re1.area()<<'\t';
cout<<"矩形体积："<<re1.volume()<<endl<<endl;
}
}
catch(char* message)
{
cout<<message<<endl;
}
bj[5]=re1.area();
system("pause");
break;
}
case'4':
{
system("cls");
cout<<"请输入正方体的棱长："<<endl;
cin>>cu1w;
cu1l=cu1w;
cu1h=cu1w;
Cube cu1(cu1w,cu1l,cu1h);
try
{
double ceshi1,ceshi2,ceshi3;
ceshi1=cu1.Rectangle::ceshi1();
ceshi2=cu1.Rectangle::ceshi2();
ceshi3=cu1.Cube::ceshi();
if(ceshi1<=0||ceshi2<=0||ceshi3<=0)
{
cout<<"正方体的宽:"<<ceshi1<<'\t'<<"正方体的长:"<<ceshi2<<'\t'<<"正方体的高:"<<ceshi3<<endl;
throw "正方体的棱长小于0，无法计算\n";
}
else
{
gs=&cu1;
gs->Show();
cout<<"正方体底周长："<<cu1.perimeter()<<'\t';
cout<<"正方体表面积："<<cu1.area()<<'\t';
cout<<"正方体体积："<<cu1.volume()<<endl<<endl;
}
}
catch(char* message)
{
cout<<message<<endl;
}
bj[6]=cu1.Rectangle::area();
bj[7]=cu1.area();
system("pause");
break;
}
case'5':
{
system("cls");
cout<<"请输入长方体的宽："<<endl;
cin>>bo1w;
cout<<"请输入长方体的长："<<endl;
cin>>bo1l;
cout<<"请输入长方体的高："<<endl;
cin>>bo1h;
Box bo1(bo1w,bo1l,bo1h);
try
{
double ceshi1,ceshi2,ceshi3;
ceshi1=bo1.Rectangle::ceshi1();
ceshi2=bo1.Rectangle::ceshi2();
ceshi3=bo1.Box::ceshi();
if(ceshi1<=0||ceshi2<=0||ceshi3<=0)
{
cout<<"长方体的宽:"<<ceshi1<<'\t'<<"长方体的长:"<<ceshi2<<'\t'<<"长方体的高:"<<ceshi3<<endl;
throw "长方体的宽长高三项值存在小于0的，无法计算\n";
}
else
{
gs=&bo1;
gs->Show();
cout<<"长方体底周长："<<bo1.perimeter()<<'\t';
cout<<"长方体表面积："<<bo1.area()<<'\t';
cout<<"长方体体积："<<bo1.volume()<<endl<<endl;
}
}
catch(char* message)
{
cout<<message<<endl;
}
bj[8]=bo1.Rectangle::area();
bj[9]=bo1.area();
system("pause");
break;
}
case'6':
{
system("cls");
cout<<"请输入三角形的边长a："<<endl;
cin>>tr1a;
cout<<"请输入三角形的边长b："<<endl;
cin>>tr1b;
cout<<"请输入三角形的边长c："<<endl;
cin>>tr1c;
Triangle tr1(tr1a,tr1b,tr1c);
try
{
double ceshi1,ceshi2,ceshi3;
ceshi1=tr1.ceshi1();
ceshi2=tr1.ceshi2();
ceshi3=tr1.ceshi3();
if(ceshi1<=0||ceshi2<=0||ceshi3<=0||(ceshi1+ceshi2)<=ceshi3||(ceshi1+ceshi3)<=ceshi2||(ceshi3+ceshi2)<=ceshi1||sqrt(ceshi1-ceshi2)>=ceshi3||sqrt(ceshi1-ceshi3)>=ceshi2||sqrt(ceshi3-ceshi2)>=ceshi1)
{
cout<<"三角形边长a:"<<ceshi1<<'\t'<<"三角形边长b:"<<ceshi2<<'\t'<<"三角形边长c:"<<ceshi3<<endl;
throw "[1].三角形的边长a,b,c三项值存在小于0的\n[2].三边长度无法构成三角形，无法计算\n";
}
else
{
gs=&tr1;
gs->Show();
cout<<"三角形周长："<<gs->perimeter()<<'\t';
cout<<"三角形表面积："<<gs->area()<<'\t';
cout<<"三角形体积："<<gs->volume()<<endl<<endl;
}
}
catch(char* message)
{
cout<<message<<endl;
}
bj[10]=tr1.area();
system("pause");
break;
}
case'7':
{
system("cls");
cout<<"请输入正三角形底边边长"<<endl;
cin>>th1a;
cout<<"请输入正三棱锥侧棱长"<<endl;
cin>>th1d;
th1b=th1c=th1a;
Three_pyramid th1(th1a,th1b,th1c,th1d);
try
{
double ceshi1,ceshi2,ceshi3,ceshi4;
ceshi1=th1.Triangle::ceshi1();
ceshi2=th1.Triangle::ceshi2();
ceshi3=th1.Triangle::ceshi3();
ceshi4=th1.Three_pyramid::ceshi();
if(ceshi1<=0||ceshi2<=0||ceshi3<=0||ceshi4<=0||ceshi1/sqrt(3)>=ceshi4)
{
cout<<"三棱锥底三角形边长a:"<<ceshi1<<'\t'<<"三棱锥底三角形边长b:"<<ceshi2<<'\n'<<"三棱锥底三角形边长c:"<<ceshi3<<'\t'<<"三棱锥侧棱d:"<<ceshi4<<endl;
throw "[1].三棱锥边长a,b,c,d四项值存在小于0的;\n[2].底面正三角形的长度与侧棱长无法构成正三棱锥;\n无法计算\n";
}
else
{
gs=&th1;
gs->Show();
cout<<"正三棱锥底周长："<<gs->perimeter()<<'\t';
cout<<"正三棱锥表面积："<<gs->area()<<'\t';
cout<<"正三棱锥体积："<<gs->volume()<<endl<<endl;
}
}
catch(char* message)
{
cout<<message<<endl;
}
bj[11]=th1.Triangle::area();
bj[12]=th1.area();
system("pause");
break;
}
case'9':
{
system("cls");
jieshu();
break;
}
case'8':
{
system("cls");
cout<<"注意：没有输入过的数据一概初始为0！"<<endl<<endl;
cout<<"[1]"<<"圆面积："<<bj[0]<<endl;
cout<<"[2]"<<"圆锥底面积："<<bj[1]<<endl;
cout<<"[3]"<<"圆锥表面积："<<bj[2]<<endl;
cout<<"[4]"<<"圆柱底面积："<<bj[3]<<endl;
cout<<"[5]"<<"圆柱表面积："<<bj[4]<<endl;
cout<<"[6]"<<"矩形面积："<<bj[5]<<endl;
cout<<"[7]"<<"正方体底面积："<<bj[6]<<endl;
cout<<"[8]"<<"正方体表面积："<<bj[7]<<endl;
cout<<"[9]"<<"长方体底面积："<<bj[8]<<endl;
cout<<"[10]"<<"长方体表面积："<<bj[9]<<endl;
cout<<"[11]"<<"三角形面积："<<bj[10]<<endl;
cout<<"[12]"<<"正三棱锥底面积："<<bj[11]<<endl;
cout<<"[13]"<<"正三棱锥表面积："<<bj[12]<<endl;
cout<<endl;
cout<<"请输入相比较面积的下标："<<endl;
int x,y;
while(cin>>x>>y)
{
if(x>13||y>13)
{
cout<<"下标输出不在正常范围之内！"<<endl;
cout<<"请输入相比较面积的下标："<<endl;
}
else
{
break;
}
}
cout<<"比较结果中较大值为："<<max(bj[x-1],bj[y-1])<<endl;
system("pause");
break;
}
default:
{
cin.clear();
cin.sync();
cout << "输入错误，重新返回主界面。" << endl;
system("pause");
break;
}
}
}while (panduan != 9);
return 0;
}
4.教师与学生
#include<string>
#include<iostream>
#include<fstream>
using namespace std;
int q=0;
enum Tsex{man,woman};
int S,T,n;
struct course
{
char coursename[25];
int grade;
};
struct Tcourse
{
char coursenumber[25];
char coursename[25];
int grade[8];
};
class CBirthday
{
public:
CBirthday()
{
year=2000;
strcpy(month,"01");
strcpy(day,"01");
}
CBirthday(int y,char *m,char *d)
{
year=y;
strcpy(month,m);
strcpy(month,d);
}
void Input()
{
cout<<"年："; cin>>year;
cout<<"月："; cin>>month;
cout<<"日："; cin>>day;
}
void Print()
{
cout<<year<<"-"<<month<<"-"<<day<<endl;
}
private:
int year;
char month[5],day[5];
};
class CPerson:public CBirthday
{
public:
CPerson(char*,char*,Tsex,CBirthday&);
CPerson();
~CPerson();
void input();
void display();
private:
char ID[10];
char Name[20];
Tsex Sex;
CBirthday birthday;
};
CPerson::CPerson (char *id,char *name,Tsex sex,CBirthday &d):birthday(d)
{
strcpy(ID,id);
strcpy(Name,name);
Sex=sex;
}
CPerson::CPerson ():birthday()
{
strcpy(ID,"00000000");
strcpy(Name," ");
(int&)Sex=0;
}
CPerson::~CPerson ()
{
//cout<<"调用CPerson的析构函数"<<endl;
}
void CPerson::input()
{
cout<<"身份："; cin>>ID;
cout<<"姓名："; cin>>Name;
cout<<"性别：";
cin>>(int&)Sex;
Input();
}
void CPerson::display()
{
cout<<"身份："<<ID<<endl<<"姓名："<<Name<<'\n'<<"性别：";
if(Sex==man) cout<<"男"<<'\n';
else cout<<"女"<<'\n';
cout<<"出生年月日：";
Print();
}
class CStudent:public CPerson
{
public:
void input()
{
cout<<"输入学生信息："<<endl;
CPerson::input ();
cout<<"学号：";cin>>number;
cout<<"班级名：";cin>>depart;
inputCourse();
}
CStudent();
CStudent(char *id,char *name,Tsex sex,CBirthday &d,char *num,char *dep);
~CStudent();
void inputCourse();
void displayS();
course cj[8];
private:
char number[10];
char depart[30];
};
CStudent::CStudent()
{
CPerson();
strcpy(number,"00000000");
strcpy(depart," ");
for(int i=0;i<8;i++)
{
strcpy(cj[i].coursename ," ");
cj[i].grade =-1;
}
}
CStudent::CStudent (char *id,char *name,Tsex sex,CBirthday &d,char *num,char *dep):CPerson(id,name,sex,d)
{
strcpy(number,num);
strcpy(depart,dep);
for(int i=0;i<8;i++)
{
strcpy(cj[i].coursename ," ");
cj[i].grade =-1;
}
}
CStudent::~CStudent ()
{
//cout<<"调用学生类的析构函数"<<endl;
}
void CStudent::inputCourse ()
{
cout<<"请输入各科成绩：（end结束)"<<'\n';
char coursename[20];
int score;
while(1)
{
cin>>coursename;
if(!strcmp(coursename,"end"))break;
cin>>score;
for(int i=0;i<8;i++)
{
if(strcmp(cj[i].coursename ," ")==0)
{
strcpy(cj[i].coursename ,coursename);
cj[i].grade =score;
break;
}
}
}
}
void CStudent::displayS ()
{
display();
cout<<"学号:"<<number<<endl;
cout<<"班级名:"<<depart<<endl;
cout<<"该生成绩:"<<endl;
for(int i=0;i<8;i++)
if(strcmp(cj[i].coursename," ")!=0)
cout<<cj[i].coursename<<'\t'<<cj[i].grade<<'\n';
else break;
cout<<"------------------"<<endl;
}
class CTeacher:public CPerson
{
public:
void input()
{
cout<<"输入教师信息:"<<endl;
CPerson::input ();
cout<<"工号："; cin>>number;
cout<<"职称："; cin>>prof;
cout<<"部门："; cin>>depart;
SetScore();
}
CTeacher();
CTeacher(char *id,char *name,Tsex sex,CBirthday &d,string num,string dep,string pro);
~CTeacher();
void SetScore();
void DispScore();
void SortScore();
void SetedStuScore(CStudent &);
void displayT();
private:
string number;
string depart;
string prof;
Tcourse Tcj[2];
};
CTeacher::CTeacher ()
{
CPerson();
number="00000000";
depart=" ";
prof=" ";
for(int i=0;i<2;i++)
{
strcpy(Tcj[i].coursename ," ");
strcpy(Tcj[i].coursenumber ,"000000");
for(int j=0;j<8;j++)
Tcj[i].grade [j]=-1;
}
}
CTeacher::CTeacher(char *id,char *name,Tsex sex,CBirthday &d,string num,string dep,string pro):CPerson(id,name,sex,d)
{
number=num;
depart=dep;
prof=pro;
for(int i=0;i<2;i++)
{
strcpy(Tcj[i].coursename ," ");
strcpy(Tcj[i].coursenumber ,"000000");
for(int j=0;j<8;j++)
Tcj[i].grade [j]=-1;
}
}
CTeacher::~CTeacher ()
{
//cout<<"调用教师类的析构函数"<<endl;
}
void CTeacher::SetScore ()
{
cout<<"请输入所教课程数目："<<endl;
cin>>q;
for(int i=0;i<q;i++)
{
cout<<"课程名"<<endl;
cin>>Tcj[i].coursename;
cout<<"各个学生的成绩"<<endl;
for(int j=0;j<8;j++)
cin>>Tcj[i].grade [j];
}
}
void CTeacher::DispScore ()
{
for(int i=0;i<q;i++)
{
cout<<"课程名："<<Tcj[i].coursename <<endl;
for(int j=0;j<8;j++)
cout<<"("<<j+1<<")"<<" "<<Tcj[i].grade [j]<<endl;
}
}
void CTeacher::SortScore()
{
int a[8];
int b[8];
int c[8];
int d[8];
int e[8];
int f[8];
int g[8];
int h[8];
for(int i=0;i<8;i++)
{
a[i]=Tcj[0].grade [i];
b[i]=Tcj[1].grade [i];
c[i]=Tcj[2].grade [i];
d[i]=Tcj[3].grade [i];
e[i]=Tcj[4].grade [i];
f[i]=Tcj[5].grade [i];
g[i]=Tcj[6].grade [i];
h[i]=Tcj[7].grade [i];
}
int t;
for( i=0;i<8;i++)
{
for(int j=0;j<=8-i;j++)
{
if(a[j]<a[j+1])
{
t=a[j];
a[j]=a[j+1];
a[j+1]=t;
}
if(b[j]<b[j+1])
{
t=b[j];
b[j]=b[j+1];
b[j+1]=t;
}
if(c[j]<c[j+1])
{
t=c[j];
c[j]=c[j+1];
c[j+1]=t;
}
if(d[j]<d[j+1])
{
t=d[j];
d[j]=d[j+1];
d[j+1]=t;
}
if(e[j]<e[j+1])
{
t=e[j];
e[j]=e[j+1];
e[j+1]=t;
}
if(f[j]<f[j+1])
{
t=f[j];
f[j]=f[j+1];
f[j+1]=t;
}
if(g[j]<g[j+1])
{
t=g[j];
g[j]=g[j+1];
g[j+1]=t;
}
if(h[j]<h[j+1])
{
t=h[j];
h[j]=h[j+1];
h[j+1]=t;
}
}
}
cout<<Tcj[0].coursename <<" 成绩排序"<<endl;
for( i=0;i<8;i++)
cout<<a[i]<<endl;
cout<<Tcj[1].coursename <<" 成绩排序"<<endl;
for( i=0;i<8;i++)
cout<<b[i]<<endl;
cout<<Tcj[2].coursename <<" 成绩排序"<<endl;
for( i=0;i<8;i++)
cout<<c[i]<<endl;
cout<<Tcj[3].coursename <<" 成绩排序"<<endl;
for( i=0;i<8;i++)
cout<<d[i]<<endl;
cout<<Tcj[4].coursename <<" 成绩排序"<<endl;
for( i=0;i<8;i++)
cout<<e[i]<<endl;
cout<<Tcj[5].coursename <<" 成绩排序"<<endl;
for( i=0;i<8;i++)
cout<<f[i]<<endl;
cout<<Tcj[6].coursename <<" 成绩排序"<<endl;
for( i=0;i<8;i++)
cout<<g[i]<<endl;
cout<<Tcj[7].coursename <<" 成绩排序"<<endl;
for( i=0;i<8;i++)
cout<<h[i]<<endl;
}
void CTeacher::SetedStuScore (CStudent &s)
{
int score;
for(int i=0;i<2;i++)
if(strcmp(s.cj[i].coursename," ")!=0)
{
cout<<s.cj[i].coursename<<'\t'<<s.cj[i].grade<<endl;
cout<<"请输入修改的成绩"<<endl;
cin>>score;
cout<<s.cj[i].coursename<<'\t'<<score<<endl;
cout<<"---------------------"<<endl;
}
else break;
}
void CTeacher::displayT ()
{
display();
cout<<"工号:"<<number<<endl;
cout<<"部门："<<depart<<endl;
cout<<"职称："<<prof<<endl;
cout<<"----------------"<<endl;
}
CStudent *s;//将要创建的对象做成指针类型
CTeacher *t;
void help()//进入显示
{
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
cout << " ☆ 制作小软件，我们是认真的！ ☆" << endl;
cout << endl;
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
cout << " Made By 刘建伟" << endl;
cout << endl;
cout << "请输入学生数："<<endl;
}
void mainjiemian()
{
cout << " 欢迎进入学生教师信息系统 " << endl;
cout << endl;
cout << " ★-----★---------★---------★-----★" << endl;
cout << " " << endl;
cout << " ☆ 1 输入学生信息 ☆" << endl;
cout << " " << endl;
cout << " ☆ 2 输入教师信息 ☆" << endl;
cout << " " << endl;
cout << " ☆ 3 显示人员信息 ☆" << endl;
cout << " " << endl;
cout << " ☆ 4 修改学生成绩 ☆" << endl;
cout << " " << endl;
cout << " ☆ 5 信息读入文件 ☆" << endl;
cout << " " << endl;
cout << " ☆ 6 退出当前系统 ☆" << endl;
cout << " " << endl;
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
cout << endl;
cout << "请选择数字命令：";
}
void jieshu()//结束显示
{
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
cout << " ☆ 感谢您的使用！ ☆" << endl;
cout << endl;
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
}
int main()
{
system("color 0b");
help();
string sn;
string in;
int k,h;
int i;
int panduan;
char* end;//末端指针
while(cin>>sn)
{
int flag_sn=0;
int l_sn=sn.length();
k=static_cast<int>(strtol(sn.c_str(), &end, 10));
if(l_sn>0&&l_sn<5)
{
for(i=0;i<l_sn;i++)
{
if(sn.at(i)>='0'&&sn.at(i)<='9')
{
flag_sn=0;
}
else
{
flag_sn=1;
}
}
}
else
{
flag_sn=1;
}
if(flag_sn==1)
{
cout<<"输入有误！"<<endl;
system("pause");
system("cls");
help();
}
else
{
break;
}
}
S=k;
cout << "请输入教师数："<<endl;
while(cin>>sn)
{
int flag_sn=0;
int l_sn=sn.length();
h=static_cast<int>(strtol(sn.c_str(), &end, 10));
if(l_sn>0&&l_sn<5)
{
for(i=0;i<l_sn;i++)
{
if(sn.at(i)>='0'&&sn.at(i)<='9')
{
flag_sn=0;
}
else
{
flag_sn=1;
}
}
}
else
{
flag_sn=1;
}
if(flag_sn==1)
{
cout<<"输入有误！"<<endl;
system("pause");
cout << "请输入教师数："<<endl;
}
else
{
break;
}
}
T=h;
s = new CStudent[k];
t = new CTeacher[h];
do
{
system("cls");
mainjiemian();
cin >> in;
if (!cin)
{
cin.clear();//清除cin的错误状态
cin.sync();//清空cin缓冲区里面未读取的信息...
cout << "输入错误，重新返回主界面。" << endl;
system("pause");
//cin >>in;
continue;
}
if(in.length()<2)
panduan = static_cast<int>(strtol(in.c_str(), &end, 10));
else
panduan=0;
switch (panduan+48)
{
case'1'://输入学生信息
{
system("cls");
for(i=0;i<k;i++)
{
cout<<"请输入第"<<i+1<<"位同学的信息："<<endl;
s[i].input();
}
system("pause");
break;
}
case'2'://输入教师信息
{
system("cls");
for(i=0;i<h;i++)
{
cout<<"请输入第"<<i+1<<"位教师的信息："<<endl;
t[i].input();
}
system("pause");
break;
}
case'3'://显示学生与教师信息
{
system("cls");
for(i=0;i<k;i++)
{
cout<<"["<<i+1<<"]";
s[i].displayS();
cout<<endl;
}
for(i=0;i<h;i++)
{
cout<<"["<<i+1<<"]";
t[i].displayT();
cout<<endl;
t[i].DispScore();
cout<<endl;
}
system("pause");
break;
}
case'4'://修改学生成绩
{
system("cls");
for(i=0;i<k;i++)
{
cout<<"["<<i+1<<"]";
s[i].displayS();
cout<<endl;
}
int m;
cout<<"输入要修改的学生信息的学生下标："<<endl;
cin>>m;
for(i=0;i<h;i++)
{
t[i].SetedStuScore (s[m-1]);
}
system("pause");
break;
}
case'5'://写入文件
{
system("cls");
fstream iofile;
iofile.open("C:\\Users\\liujianwei\\Desktop\\新建文本文档.txt",ios::in|ios::out|ios::binary );
if(!iofile)
{
cerr<<"file open error!"<<endl;
return -1;
}
for(i=0;i<k;i++)
{
iofile.write((char*)&s[i],sizeof(s[i]));
}
for(i=0;i<h;i++)
{
iofile.write((char*)&t[i],sizeof(t[i]));
}
cout<<"保存成功！"<<endl;
iofile.close();
system("pause");
break;
}
case'6'://退出结束
{
system("cls");
jieshu();
break;
}
default:
{
cin.clear();
cin.sync();
cout << "输入错误，重新返回主界面。" << endl;
system("pause");
break;
}
}
}while(panduan!=6);
return 0;
}
5.职工信息
#include<iostream>
#include<string>
#include<iostream>
#include<fstream>
#include<ostream>
#include<iomanip>//setw(),控制空格
#include<algorithm>//为了计算文件里面含有的对象个数
#include<windows.h>
#include<cstdlib>//防止^Z导致程序异常
#include<mmsystem.h>//控制音乐播放的头文件
#pragma comment(lib, "Winmm.lib")//控制音乐播放的头文件
using namespace std;
class Cworker
{
private:
string wo;
string na;
string se;
string ag;
string xu;
string sa;
string ad;
string ph;
public:
void setdate(string worknumber,string name,string sex,string age,string xueli,string salary,string adress,string phonenumber)
{
wo=worknumber;
na=name;
se=sex;
ag=age;
xu=xueli;
sa=salary;
ad=adress;
ph=phonenumber;
}
void display()
{
cout<<"职工号:"<<std::left<<setw(15)<<wo;
cout<<"姓名:"<<std::left<<setw(8)<<na;
cout<<"性别:"<<std::left<<setw(5)<<se;
cout<<"年龄:"<<std::left<<setw(5)<<ag;
cout<<"学历:"<<std::left<<setw(20)<<xu;
cout<<"工资:"<<std::left<<setw(17)<<sa;
cout<<"地址:"<<std::left<<setw(18)<<ad;
cout<<"电话号:"<<std::left<<setw(5)<<ph;
}
string work_worknumber()
{
return wo;
}
string find_worknumber()
{
return wo;
}
string find_NAME()
{
return na;
}
string worker_workernumber()
{
return wo;
}
string worker_name()
{
return na;
}
string worker_sex()
{
return se;
}
string worker_age()
{
return ag;
}
string worker_xueli()
{
return xu;
}
string worker_salary()
{
return sa;
}
string worker_adress()
{
return ad;
}
string worker_phonenumber()
{
return ph;
}
void revise()
{
cout << "请根据以下提示进行修改。" << endl;
cout << "姓名：";
cin >> na;
cout << "性别（男或女）：";
cin >> se;
cout << "年龄：";
cin >> ag;
cout << "学历：";
cin >> xu;
cout << "工资：";
cin >> sa;
cout << "地址：";
cin >> ad;
cout << "请输入电话号：";
cin >> ph;
}
int count()
{
int score;
char* end;
string salary;
score = static_cast<int>(strtol(sa.c_str(), &end, 10));//使用strtol（string to long） 利用string的c_str()转化为C风格字符串
return score;
}
Cworker operator=(const Cworker&c);
};
Cworker Cworker::operator=(const Cworker& c)
{
wo=c.wo;
na=c.na;
se=c.se;
ag=c.ag;
xu=c.xu;
sa=c.sa;
ad=c.ad;
ph=c.ph;
return *this;
}
Cworker *p;//将要创建的对象做成指针类型
void mainjiemian()
{
cout << " ★-----★---------★---------★-----★" << endl;
cout << " 欢迎进入职工信息管理系统 " << endl;
cout << " ☆ ☆" <<endl;
cout << " 1 录入职工信息 " << endl;
cout << " ☆ 2 输出职工信息 ☆" << endl;
cout << " 3 查询职工信息 " << endl;
cout << " ☆ 4 修改职工信息 ☆" << endl;
cout << " 5 整理职工信息 " << endl;
cout << " ☆ 6 文件录入信息 ☆" << endl;
cout << " 7 文件读取信息 " << endl;
cout << " ☆ 8 退出管理系统 ☆" << endl;
cout << endl;
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
cout << endl;
cout << "请选择数字命令：";
}
void help()//进入显示
{
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
cout << " ☆ 制作小软件，我们是认真的！ ☆" << endl;
cout << endl;
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
cout << " Made By 刘建伟" << endl;
cout << endl;
cout << "温馨提示：^C为强制退出程序"<<endl;
cout << "请输入职工人数：";
}
void jieshu()//结束显示
{
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
cout << " ☆ 感谢您的使用！ ☆" << endl;
cout << endl;
cout << " ★-----★---------★---------★-----★" << endl;
cout << endl;
}
void kaobei()//拷贝文件到test1.txt
{
char ch;
ifstream file("H:\\worker_in.txt");//读取H盘文件
ofstream file1("H:/test1.txt");//创建文本文件
while(file.get(ch))//读取文本内容
{
//cout<<ch;//输出文本内容到控制台
file1<<ch;//写入内容到文件
}
file.close();//关闭文件流
file1.close();//关闭文件流
cout<<endl;
}
void play()
{
// 注意PlaySound只能播放没有经过压缩的wav格式的声音文件
PlaySound("C:\\Users\\liujianwei\\Desktop\\yinyue.wav",NULL,SND_FILENAME|SND_ASYNC);//控制音乐输出，带有三个参数，loop为阻塞
}
int line()
{
ifstream file1("H:\\test1.txt");//没有就创建
string str;
int line = 0;
while (file1)
{
getline(file1, str);
remove(str.begin(), str.end(), ' ');//删除从文件开始到结束中的空格
remove(str.begin(), str.end(), '\t');//删除从文件开始到结束中的空格
if (str.length() > 0)//如果有一行除去空格之后不为零就算作是一个对象
line++;
}
return line;
}
int main()
{
play();//播放音乐
system("color 0b");
help();
int line_file, N;//文件里的学生数和总的学生数
int i;
string in;//命令
string sn;
int n;//键盘输入的职工数
int flag_case1 = 0;//是否执行了第一步
int flag_case7 = 0;//是否执行了第七步
int panduan;
char* end;//末端指针
while(cin>>sn)
{
if (!cin)
{
cin.clear();//清除cin的错误状态
cin.sync();//清空cin缓冲区里面未读取的信息...
cout << "输入错误，重新返回主界面。" << endl;
//system("pause");
//cout<<flush;
system("cls");
help();
continue;
}
int flag_sn=0;
int l_sn=sn.length();
n=static_cast<int>(strtol(sn.c_str(), &end, 10));
if(l_sn>0&&l_sn<5)
{
for(i=0;i<l_sn;i++)
{
if(sn.at(i)>='0'&&sn.at(i)<='9')
{
flag_sn=0;
}
else
{
flag_sn=1;
}
}
}
else
{
flag_sn=1;
}
if(flag_sn==1)
{
cout<<"输入有误！"<<endl;
system("pause");
system("cls");
help();
}
else
{
break;
}
/*if(l_sn>1)
{
if(n>=0&&n<=100&&l_sn<=3&&sn.at(l_sn-1)>='0'&&sn.at(l_sn-1)<='9'&&sn.at(l_sn-2)>='0'&&sn.at(l_sn-2)<='9')
{
break;
}
else
{
cout<<"输入有误！"<<endl;
system("pause");
system("cls");
help();
}
}
else
{
if(n>=0&&n<=100&&l_sn<=3&&sn.at(l_sn-1)>='0'&&sn.at(l_sn-1)<='9')
{
break;
}
else
{
cout<<"输入有误！"<<endl;
system("pause");
system("cls");
help();
}
}*/
}
cout<<flush;
kaobei();//拷贝文件
line_file = line();
N = n + line_file;
p = new Cworker[N];
do
{
system("cls");
mainjiemian();
cin >> in;
if (!cin)
{
cin.clear();//清除cin的错误状态
cin.sync();//清空cin缓冲区里面未读取的信息...
cout << "输入错误，重新返回主界面。" << endl;
system("pause");
continue;
}
if(in.length()<2)
panduan = static_cast<int>(strtol(in.c_str(), &end, 10));
switch (panduan+48)
{
case'1'://**************************录入职工信息
{
system("cls");
string worknumber;
string name;
string sex;
string age;
string xueli;
string salary;
string adress;
string phonenumber;
//int now_n;
cout<<"请输入现在想输入的学生数："<<endl;
for (i = 0; i < n; i++)
{
cout<<"输入第"<<i+1<<"位职工的信息。"<<endl;
cout << "请输入职工号：";
cin >> worknumber;
cout << "请输入姓名：";
cin >> name;
cout << "请输入性别（男或女）：";
cin >> sex;
cout << "请输入年龄：";
cin >> age;
cout << "请输入学历：";
cin >> xueli;
cout << "请输入工资：";
cin >> salary;
cout << "请输入地址：";
cin >> adress;
cout << "请输入电话号：";
cin>>phonenumber;
p[i].setdate(worknumber,name,sex,age,xueli,salary,adress,phonenumber);//将输入的数据传给私有变量
}
flag_case1 = 1;//执行过第一步就标志为1
system("pause");
break;
}
case'2'://***************************输出职工信息
{
system("cls");
if (flag_case7 == 1&&flag_case1==0)
{
for (i = n; i < N; i++)
{
cout << "worker" << "[" << i + 1 << "]" << ":";
p[i].display();
cout << endl;
}
}
else if(flag_case7 == 0&&flag_case1==1)
{
for (i = 0; i < n; i++)
{
cout << "worker" << "[" << i + 1 << "]" << ":\t";
p[i].display();
cout << endl;
}
}
else if(flag_case7 == 1&&flag_case1==1)
{
for (i = 0; i < N; i++)
{
cout << "student" << "[" << i + 1 << "]" << ":\t";
p[i].display();
cout << endl;
}
}
else
{
cout << "请先执行第一步或第七步之后再执行此步骤！" << endl;
cout << "即将返回主页面进行重新选择..." << endl;
}
system("pause");
break;
}
case'3'://***********************查询职工信息
{
system("cls");
if (flag_case1 == 1||flag_case7==1)
{
int flag_find;
cout<<"请选择查询方式：1.按职工号号查询 2.按姓名查询"<<endl;
cin>>flag_find;
if(flag_find==1)
{
cout << "请输入要查询的职工号：" << endl;
string worknumber;
int flag;
cin >> worknumber;
for (i = 0; i < N; i++)
{
if (p[i].find_worknumber() == worknumber)
{
p[i].display();
flag = 1;
cout << endl;
}
}
if (flag != 1)
{
cout << "输入信息有误，查询无果。" << endl;
}
}
if(flag_find==2)
{
cout << "请输入要查询的职工姓名：" << endl;
string NAME;
int flag;
cin>>NAME;
for(i=0;i<N;i++)
{
if(p[i].find_NAME()==NAME)
{
p[i].display();
flag = 1;
cout << endl;
}
}
if (flag != 1)
{
cout << "输入信息有误，查询无果。" << endl;
}
}
}
else
{
cout << "请先执行第一步或第七步之后再执行此步骤！" << endl;
cout << "即将返回主页面进行重新选择..." << endl;
}
system("pause");
break;
}
case'4'://****************************修改职工信息
{
system("cls");
if (flag_case1 == 1||flag_case7==1)
{
int flag_4=0;
cout << "请输入要修改的职工号：" << endl;
string worknumber;
cin >> worknumber;
for (i = 0; i < N; i++)
{
if (p[i].find_worknumber() == worknumber)
{
p[i].revise();
cout << "修改成功！" << endl;
p[i].display();
flag_4=1;
}
}
if(flag_4==0)
{
cout<<"查询无果！无法进行修改。"<<endl;
}
}
else
{
cout << "请先执行第一步或第七步之后再执行此步骤！" << endl;
cout << "即将返回主页面进行重新选择..." << endl;
}
cout<<endl;
system("pause");
break;
}
case'5'://****************************整理输出学生信息
{
system("cls");
if (flag_case1 == 1||flag_case7==1)//通过判断有没有执行第一步和第七步来判断统计输出时总数的大小
{
int zongshu;
if (flag_case7 == 1&&flag_case1==0)
{
zongshu=N;
}
if(flag_case7 == 0&&flag_case1==1)
{
zongshu=n;
}
if(flag_case7 == 1&&flag_case1==1)
{
zongshu=N;
}
cout<<"整理职工信息如下："<<endl;
if(flag_case1==1)
i=0;
else
i=n;
Cworker temp;
for (i; i < zongshu; i++)
{
for(int j=i+1;j<zongshu;j++)
{
if(p[i].count()<p[j].count())
{
temp=p[i];
p[i]=p[j];
p[j]=temp;
}
}
}
if(flag_case1==1)
i=0;
else
i=n;
for(i;i<zongshu;i++)
{
cout << "student" << "[" << i + 1 << "]" << ":";
p[i].display();
cout << endl;
}
if(flag_case1==1)
i=0;
else
i=n;
ofstream ofile("H:\\worker_in.txt", ios::in);
for (i ; i < zongshu; i++)
{//把三个私有变量信息插入到文件
ofile << p[i].worker_workernumber() << "\t";
ofile << p[i].worker_name() << "\t";
ofile << p[i].worker_sex() << "\t";
ofile << p[i].worker_age() << "\t";
ofile << p[i].worker_xueli() << "\t";
ofile << p[i].worker_salary() << "\t";
ofile << p[i].worker_adress() << "\t";
ofile << p[i].worker_phonenumber() << endl;
}
}
else
{
cout << "请先执行第一步或第七步之后再执行此步骤！" << endl;
cout << "即将返回主页面进行重新选择..." << endl;
}
system("pause");
break;
}
case'6'://******************************将学生信息保存到磁盘文件当中，利用追加的方式
{
system("cls");
if (flag_case1 == 1||flag_case7==1)
{
for (int i = 0; i < n; i++)
{
cout << "work" << "[" << i + 1 << "]" << ":";
p[i].display();
cout << endl;
}
ofstream ofile("H:\\worker_in.txt", ios::app);
for (i = 0; i < n; i++)
{//把三个私有变量信息插入到文件
ofile << p[i].worker_workernumber() << "\t";
ofile << p[i].worker_name() << "\t";
ofile << p[i].worker_sex() << "\t";
ofile << p[i].worker_age() << "\t";
ofile << p[i].worker_xueli() << "\t";
ofile << p[i].worker_salary() << "\t";
ofile << p[i].worker_adress() << "\t";
ofile << p[i].worker_phonenumber() << endl;
}
cout << endl;
cout << "所有学生信息都已保存完毕。" << endl;
}
else
{
cout << "请先执行第一步之后再执行此步骤！" << endl;
cout << "即将返回主页面进行重新选择..." << endl;
}
system("pause");
break;
}
case'7'://*************************从磁盘文件中读入学生信息，并创建学生类对象
{
system("cls");
ifstream ofile;
string worknumber;
string name;
string sex;
string age;
string xueli;
string salary;
string adress;
string phonenumber;
int i = n;
ofile.open("H:\\worker_in.txt", ios::in);
if (ofile.is_open())
{
for ( i = n; i < N; i++)
{//依次提取学生三个基本私有变量信息
ofile >> worknumber;
ofile >> name;
ofile >> sex;
ofile >> age;
ofile >> xueli;
ofile >> salary;
ofile >> adress;
ofile >> phonenumber;
p[i].setdate(worknumber, name, sex,age,xueli,salary,adress,phonenumber);
if (i >= N)
{
cout << "文件数据已经全部导入。" << endl;
cout << "当前职工数量：" << i << endl;
cout << "当前存储容量已达到最大值！" << endl;
break;
}
}
if(flag_case1==1)
{
for (i = 0; i < N; i++)
{
cout << "worker" << "[" << i + 1 << "]" << ":";
p[i].display();
cout << endl;
}
}
else
{
for (i = n; i < N; i++)
{
cout << "worker" << "[" << i + 1 << "]" << ":";
p[i].display();
cout << endl;
}
}
//cout << "已成功导入的职工人员数量：" << i << endl;
flag_case7 = 1;
}
else
{
cout << "打开文件时出错！";
}
ofile.close();
system("pause");
break;
}
case'8'://*************************系统退出功能
{
system("cls");
jieshu();
break;
}
default:
{
cin.clear();
cin.sync();
cout << "输入错误，重新返回主界面。" << endl;
system("pause");
break;
}
}
} while (panduan != 8);
delete[]p;
return 0;
}