c++大作业–学籍管理系统–

void sr()                   //////初始化输入学生信息    {         cout<<"请输入姓名";        cin>>xm;         cout<<"请输入入学日期中间用空格隔开";         time.shuru();                ll=shurupanduan(time.year,time.month,time.day);               if(ll==0)                       time.shuru();         cout<<"请输入班级";        cin>>bj;         cout<<"请输入课程（5门）中间用空格隔开";        for(int i=0;i<5;i++)               {                     cin>>kc[i];                     for(intj=0;j<i;j++)                     {                            while(kc[i]==kc[j])                            {                                   cout<<"您已经选过该课程请又一次输入"<<endl;                                   cin>>kc[i];                            }                     }              }

/*
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* #include<iostream> #include <string> #include<conio.h>#include<iomanip> #include<time.h># include<fstream>void bangzhu();void bcxx(int);void dqsj();bool pdxhcf(int,int);int shurupanduan(int,int,int);int runnian(int );using namespace std;   struct sj    {   intyear,month,day;                            ////////时间结构体  void shuru()  {cin>>year>>month>>day;  }   };  class student                                 ////////////学生类  {           public :          string xm,kc[5];    int bj,xh,cj[5],ll;    sj time;       voidsrxhh()       {              cout<<"请输入学号";       cin>>xh;       }      void sr()                   //////初始化输入学生信息    {         cout<<"请输入姓名";        cin>>xm;         cout<<"请输入入学日期中间用空格隔开";         time.shuru();                ll=shurupanduan(time.year,time.month,time.day);               if(ll==0)                       time.shuru();         cout<<"请输入班级";        cin>>bj;         cout<<"请输入课程（5门）中间用空格隔开";        for(int i=0;i<5;i++)               {                     cin>>kc[i];                     for(intj=0;j<i;j++)                     {                            while(kc[i]==kc[j])                            {                                   cout<<"您已经选过该课程请又一次输入"<<endl;                                   cin>>kc[i];                            }                     }              }       system("cls");       }          void chengji()                        ///////成绩录入          {                       int i;               for(i=0;i<5;i++)               {                         cout<<"请输入"<<kc[i]<<"的成绩"<<endl;                 cin>>cj[i];                       }          }                   void chengjisc()                         ///////成绩输出          {                            inti;              for(i=0;i<5;i++)               {                              cout<<kc[i]<<"  ";                   cout<<cj[i]<<' ';                       }          }   };    void cxkb(student t)       {              intn;      cout<<"继续查询课程表请输入1，结束请输入0"<<endl;     cin>>n;   if(n==1)    for(int i=0;i<5;i++)     cout<<t.kc[i]<<' ';       }  string mima()               ////////初始化设置password    {          cout<<"****************************学籍管理系统*********************************"<<endl;              dqsj();          cout<<"请设置password:";     string mm1,mm2;    char ch;     while ((ch=_getch())!=13)        {    mm1+=ch;    cout<<"*";        }     cout<<endl;    cout<<"请再次确认password:";    while ((ch=_getch())!=13)        {   mm2+=ch;   cout<<"*";        }     system("cls");  if(mm1==mm2)  return mm1;  else   mima();   } int denglu(string mm)              /////////登陆程序 {               cout<<"****************************学籍管理系统*********************************"<<endl;              dqsj();   cout<<"请输入登录password：";    string mm1,mm2,mm3;    char ch;  while ((ch=_getch())!=13)   {  mm1+=ch;  cout<<"*";  }    system("cls");      cout<<"****************************学籍管理系统*********************************"<<endl;       dqsj();   if(mm==mm1)        return 1;    else     {              cout<<"password错误，您还有两次机会，请重试";       while ((ch=_getch())!=13)           {         mm2+=ch;          cout<<"*";           }         system("cls");     if(mm==mm2)        return 1;    else     {              cout<<"password错误，您另一次机会，请重试";        while ((ch=_getch())!=13)               {          mm3+=ch;            cout<<"*";               }         system("cls");     if(mm==mm3)        return 1;    else     {              cout<<"password错误，请明天再试";        return 0;       }        }        } } student chazhaoxg(student t)  //信息改动{cout<<"改动姓名请输入1，改动入学时间请输入2，改动班级请输入3."<<endl; cout<<"改动课程请输入4，改动成绩请输入5"; int a,i; string xk;cin>>a; switch(a) {case 1:cin>>t.xm;break; case2:cin>>t.time.year>>t.time.month>>t.time.day;break; case 3:cin>>t.bj;break; case 4:for(i=0;i<5;i++)cin>>t.kc[i];break; case 5:       cout<<"请输入课程名"<<endl;       cin>>xk;for(i=0;i<5;i++)       {              if(t.kc[i]==xk)              {cout<<"请输入成绩"<<endl;              cin>>t.kc[i];              }       }break;       }  return t;  } void shuchuxinxi(student t)  //输出学生信息{    cout<<t.xh<<' '<<t.xm<<''<<t.time.year<<t.time.month<<t.time.day<<t.bj<<''; } student stu[500];   int main()                       ////主函数..................     {              intn=0,i,xh;    string mm,xm;  //password     mm=mima();  //password设置   i=denglu(mm);    if(i)    {     int a;       system("cls");       while(1)        {                     cout<<"****************************学籍管理系统*********************************"<<endl;          dqsj();                bangzhu();                cin>>a;          system("cls");          cout<<"****************************学籍管理系统*********************************"<<endl;          dqsj();              if(a==0)        break;        else        {            switch(a)                      {                     case1:                     stu[n].srxhh();                                 while(!pdxhcf(n,stu[n].xh))                            {                                   cout<<"已存在该学生请又一次输入"<<endl;                                   stu[n].srxhh();                     }                            stu[n].sr(),n++;                            break;            case 2:                             for(i=0;i<n;i++)                            {                                   cout<<stu[i].xh<<'';                                   cout<<stu[i].xm<<endl;                            }                            break;            case 3:                            cout<<"请输入学号 ";                            cin>>xh;                            for(i=0;i<n;i++)                                   if(stu[i].xh==xh)                                          stu[i]=chazhaoxg(stu[i]);break;            case 6:                            cout<<"请输入学号 ";                            cin>>xh;                            for(i=0;i<n;i++)                                   if(stu[i].xh==xh)                                          stu[i].chengji();break;                     case7:                            cout<<"请输入学号 ";                            cin>>xh;                            for(i=0;i<n;i++)                                   if(stu[i].xh==xh)                                          stu[i].chengjisc();                                   break;                     case4:                             cout<<"请输入学号 ";                            cin>>xh;                            for(i=0;i<n;i++)                                   if(stu[i].xh==xh)                                   {                                          shuchuxinxi(stu[i]);                                          cxkb(stu[i]);                                   }break;                     case5:                             cout<<"请输入姓名 ";                            cin>>xm;                            for(i=0;i<n;i++)                                   if(stu[i].xm==xm)                                   {shuchuxinxi(stu[i]);                                   cxkb(stu[i]);                                   }break;       case 9:bangzhu();break;              case8:bcxx(n);break;              }              }      }       } return 0;    } void bangzhu()                         //操作指令提示 { cout<<"请输入下面指令"<<endl<<endl;          cout<<"    1.加入�学生              ";        cout<<"    2.输出全部学生          "<<endl;       cout<<"============================";    cout<<"============================"<<endl;    cout<<"    3.输入学号改动学生信息  ";        cout<<"    4,用学号查找学生信息   "<<endl;       cout<<"============================";    cout<<"============================"<<endl;       cout<<"    5,用姓名查找学生信息   " ;        cout<<"    6,成绩输入              "<<endl;       cout<<"============================";     cout<<"============================"<<endl;       cout<<"    7,成绩查询              ";           cout<<"    8,保存学生信息"<<endl;       cout<<"============================";    cout<<"============================"<<endl;   cout<<"    9.菜单                  ";        cout<<"    0.结束本程序            "<<endl ;       cout<<"============================";    cout<<"============================"<<endl; } int shurupanduan(int a,int b,int c=1)   //推断输入年月日是否正确 {int l=1,q,ll; if(a<=0||b<=0||b>12||c<0) {l=0; cout<<"您的输入有误请又一次输入"<<endl;} switch(b) {case 1:q=31;break; case 2:q=28;break; case 3:q=31;break; case 5:q=31;break; case 7:q=31;break; case 8:q=31;break; case 10:q=31;break; case 12:q=31;break; case 4:q=30;break; case 6:q=30;break; case 9:q=30;break; case 11:q=30;break;} ll=runnian(a);if(ll)q++;if(c>q) {       l=0;    cout<<"您的输入有误请又一次输入"<<endl;}     return l;}  int runnian(int a) //推断是是否为闰年 {       intl=0;    if((a%4==0&&a%100!=0)||(a%400==0))   l=1;  return l; } void bcxx(int n){       cout<<"请输入文本名称和后缀名:";  char s[20]; cin>>s;  ofstream outfile(s,ios::out);        inti=0;       studentt;       outfile<<"          学号"<<"  姓名"<<" 出生日期"<<" 班级"<<endl;       for(i=0;i<n;i++)       {              t=stu[i];                            outfile<<fixed<<setw(12)<<t.xh<<''<<fixed<<setw(6)<<t.xm<<' '                     <<fixed<<setw(7)<<t.time.year<<t.time.month<<t.time.day<<""                     <<fixed<<setw(4)<<t.bj<<'';        } }void dqsj()    //输出如今时间以及当前月份日历 {  time_t t = time(NULL);  struct tm  *local = localtime(&t);  int year = local -> tm_year + 1900;  int month = local -> tm_mon + 1;  int day = local -> tm_mday; int hour = local -> tm_hour;  int minute = local -> tm_min;  int second = local -> tm_sec;cout <<"当前时间: "<<"   "<<year<<"年"<<month<<"月"<<day<<"日"<<'';cout <<endl<<"                "<<hour<<":"<<minute<<":"<<second<<endl<<endl; }bool pdxhcf(int n,int a)//推断学号是否反复{       booll=1;       inti;       for(i=0;i<n;i++)       {              if(a==stu[i].xh)              {                     l=0;              break;              }       }       returnl;}
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