📄 成绩管理.txt
字号:
}
}
}
//*******************************************************
void rank(student *p,int Cl)//通过比较来排名，查看某班的成绩
{
int k1,k2,k3,k4,k5,k6,k8;char *k7;
lank(p,Cl);
for(int i=0;i<N;i++)
{
for(int j=i+1;j<N;j++)
{
if(p[i].getcl()==Cl&&p[j].getcl()==Cl&&sum(p[i])<=sum(p[j]))//用学号来排序后，通过总分来比较排名
{
k1=p[i].getcl();p[i].putcl(p[j].getcl());p[j].putcl(k1);
k7=new char[strlen(p[i].getna())+1];
strcpy(k7,p[i].getna());p[i].putna(p[j].getna());p[j].putna(k7);
k2=p[i].getnu();p[i].putnu(p[j].getnu());p[j].putnu(k2);
k3=p[i].getch();p[i].putch(p[j].getch());p[j].putch(k3);
k4=p[i].geten();p[i].puten(p[j].geten());p[j].puten(k4);
k5=p[i].getma();p[i].putma(p[j].getma());p[j].putma(k5);
k6=p[i].getco();p[i].putco(p[j].getco());p[j].putco(k6);
}
else continue;
}
}
k8=find(p,Cl);
if(k8==N) cout<<endl<<"没有这个班:"<<endl;
else
{
cout<<"名次"<<setw(6)<<"班级"<<setw(8)<<"学号"<<setw(8)<<"姓名"<<setw(10)
<<"语文"<<setw(9)<<"英语"<<setw(10)<<"数学"<<setw(8)
<<"电脑"<<setw(8)<<"总分"<<setw(9)<<"平均分"<<endl;
int j1=0;
for(i=0;i<N;i++)//返回通过总分排序后的学生成绩
if(p[i].getcl()==Cl)
{
int A1;
float A2;
j1++;
A1=sum(p[i]);A2=float(A1)/4;cout<<j1<<setw(8);
p[i].putout();cout<<setw(7)<<A1<<setw(9)<<A2<<endl;
}
}}
//888888888888888888888888888888888888888888888888888888888888
void fun(student *pupil)
{
for(int j=0;;j++)//对系统的操作
{
cout<<endl<<"查询成绩请输入“2”；修改成绩请输入“3”；退出请按其它键；"<<endl;
int p3,p4;
char p2[10],a0[3];
cin>>a0;
cout<<"*****************************************************************************"<<endl;
if(strcmp(a0,"3")==0)//修改成绩
{
for(int i=0;;i++)
{
cout<<endl<<endl<<"请输入你的班级:";cin>>p3;
cout<<"请输入你的学号:";cin>>p4;
cout<<"请输入你的名字:";cin>>p2;
change(pupil,p3,p4,p2);
cout<<endl<<"还需要修改吗，需要请输入“Y”；否则按其它键：";
char b0[3];
cin>>b0;
if(strcmp(b0,"Y")==0||strcmp(b0,"y")==0) continue;
else break;
}
cout<<"*****************************************************************************";
}
else if(strcmp(a0,"2")==0)//查询成绩
{
for(int i=0;;i++)
{
cout<<endl<<"按班级和姓名查请按1，按班级和学号查按2, 按姓名和学号查按3"<<endl
<<"查某一班的成绩请按4, 查某科的平均分请按5, 查排名按6:"<<endl;
int E2,E3,E4;
char E5[10];
cin>>E2;
switch(E2)
{
case 1:for(i=0;;i++)
{
cout<<endl<<"请输入班级:";cin>>E4;
cout<<"请输入姓名:";cin>>E5;
search(pupil,E4,E5);
cout<<endl<<"你还要查询吗？要按‘Y’，否则按其它键:";
char t3[3];cin>>t3;
if(strcmp(t3,"Y")==0||strcmp(t3,"y")==0) continue;
else break;
}
break;
case 2:for(i=0;;i++)
{
cout<<endl<<"请输入班级:";cin>>E4;
cout<<"请输入学号:";cin>>E3;
search(pupil,E4,E3);
cout<<endl<<"你还要查询吗？要按‘Y’，否则按其它键:";
char t2[3];cin>>t2;
if(strcmp(t2,"Y")==0||strcmp(t2,"y")==0) continue;
else break;
}
break;
case 3:for(i=0;;i++)
{
cout<<endl<<"请输入学号:";cin>>E3;
cout<<"请输入姓名:";cin>>E5;
search(pupil,E5,E3);
cout<<endl<<"你还要查询吗？要按‘Y’，否则按其它键:";
char t1[3];cin>>t1;
if(strcmp(t1,"Y")==0||strcmp(t1,"y")==0) continue;
else break;
}
break;
case 4:for(i=0;;i++)
{
cout<<endl<<"请输入班级:";cin>>E3;
search(pupil,E3);
cout<<endl<<"你还要查询班级成绩吗？要请按‘Y’，否则按其它键:";
char m1[3];
cin>>m1;
if(strcmp(m1,"Y")==0||strcmp(m1,"y")==0) continue;
else break;
}
break;
case 5: for(i=0;;i++)
{
cout<<endl<<"请输入你要查找的班和科目:"<<endl<<endl;
char h1[10];int h2;
cout<<"请输入科目：";cin>>h1;
cout<<"请输入班级：";cin>>h2;
double a3=average(pupil,h1,h2);
if(a3==0) cout<<endl<<"没有你要查找的内容!"<<endl;
else
{cout<<h1<<"的平均分为:"<<a3<<endl;}
cout<<endl<<"还要查科目平均分吗？,如果还要请输'Y'否则按其他键:"<<endl;
char h3[3];
cin>>h3;
if(strcmp(h3,"Y")==0||strcmp(h3,"y")==0)continue;
else break;
}
break;
case 6:for(i=0;;i++)
{
cout<<endl<<"请输入要查的班级:";
int u0;
cin>>u0;
rank(pupil,u0);
cout<<endl<<"你要继续查看排名吗？要按‘Y’，否则按其它键:";
char u1[3];
cin>>u1;
if(strcmp(u1,"Y")==0||strcmp(u1,"y")==0) continue;
else break;
}
break;
}
cout<<endl<<"你还要用其他方式查询吗?，要请输入“Y”，否则按其它键:";
char b2[3];
cin>>b2;
if(strcmp(b2,"Y")==0||strcmp(b2,"y")==0)
{cout<<"*****************************************************************************";
continue;}
else break;
}
}
else break;
cout<<endl<<endl<<"你还要继续操作吗，要请输入'Y',否则请输其它键：";
char b1[3];
cin>>b1;
if(strcmp(b1,"Y")==0||strcmp(b1,"y")==0) {
cout<<"*****************************************************************************"<<endl;
continue;}
else break;
}}
//***************************************************
void main()
{ cout<<" **************************************************************"<<endl;
cout<<" 欢 迎 使 用"<<endl;
cout<<endl;
cout<<" 设计者: XXX "<<endl;
cout<<" **************************************************************"<<endl;
cout<<endl<<endl<<"请输入你需要的人数空间:";
cin>>N;
student *pupil=new student[N+10];//用动态数组自己设空间
char (*Name)[10]=new char[N+10][10];//用动态数组自己设空间
int *CL=new int[N+10],*NU=new int[N+10],*CH=new int[N+10],*EN=new int[N+10],*MA=new int[N+10],*CO=new int[N+10];
for(int i=0;i<N;i++)//成绩录入
{
cout<<endl<<endl<<"第"<<i+1<<"位学生:"<<endl;
cout<<"请输入班级:";cin>>CL[i];
cout<<"请输入学号:";cin>>NU[i];
cout<<"请输入姓名:";cin>>Name[i];
cout<<endl<<"请输入语文成绩:";cin>>CH[i];
cout<<"请输入英语成绩:";cin>>EN[i];
cout<<"请输入数学成绩:";cin>>MA[i];
cout<<"请输入电脑成绩:";cin>>CO[i];
pupil[i].putin(CL[i],NU[i],Name[i],CH[i],EN[i],MA[i],CO[i]);}
cout<<endl<<endl;
cout<<"****************************************************************************";
cout<<endl;
cout<<"添加和删除请输入“Y”；否则按其他键：";
char u[3];
cin>>u;
//888888888888888888888888888888888888888888888888888888888888888
for(i=0;;i++)
{
if(strcmp(u,"Y")==0||strcmp(u,"y")==0)//添加和删除
{
char u0[3];
cout<<"添加“1”；删除“2”：";
cin>>u0;
if(strcmp(u0,"1")==0)
{
int u1;
cout<<"请输入你要添加的人数：";
cin>>u1;
N=N+u1;
for(i=u1;i>0;i--)
{
cout<<endl<<endl<<"第"<<N-i+1<<"位学生:"<<endl;
cout<<"请输入班级:";cin>>CL[N-i];
cout<<"请输入学号:";cin>>NU[N-i];
cout<<"请输入姓名:";cin>>Name[N-i];
cout<<endl<<"请输入语文成绩:";cin>>CH[N-i];
cout<<"请输入英语成绩:";cin>>EN[N-i];
cout<<"请输入数学成绩:";cin>>MA[N-i];
cout<<"请输入电脑成绩:";cin>>CO[N-i];
pupil[N-i].putin(CL[N-i],NU[N-i],Name[N-i],CH[N-i],EN[N-i],MA[N-i],CO[N-i]);}
cout<<endl<<endl;
}
else if(strcmp(u0,"2")==0)
{
cout<<"请输入删除人数:";
int u2,u3,u4,u5;
int k1,k2,k3,k4,k5,k6;char *k7;
cin>>u2;
for(i=0;i<u2;i++)
{
cout<<"请输入第"<<i+1<<"个删除的人的班级:";
cin>>u3;
cout<<"请输入第"<<i+1<<"个删除的人的学号:";
cin>>u4; //查某班级的成绩，是按学号顺序排
u5=find(pupil,u3,u4);
lank(pupil,u3);
k1=pupil[u5].getcl();pupil[u5].putcl(pupil[N-1].getcl());pupil[N-1].putcl(k1);
k7=new char[strlen(pupil[u5].getna())+1];
strcpy(k7,pupil[u5].getna());pupil[u5].putna(pupil[N-1].getna());pupil[N-1].putna(k7);
k2=pupil[u5].getnu();pupil[u5].putnu(pupil[N-1].getnu());pupil[N-1].putnu(k2);
k3=pupil[u5].getch();pupil[u5].putch(pupil[N-1].getch());pupil[N-1].putch(k3);
k4=pupil[u5].geten();pupil[u5].puten(pupil[N-1].geten());pupil[N-1].puten(k4);
k5=pupil[u5].getma();pupil[u5].putma(pupil[N-1].getma());pupil[N-1].putma(k5);
k6=pupil[u5].getco();pupil[u5].putco(pupil[N-1].getco());pupil[N-1].putco(k6);
N=N-1;}}}
cout<<"如果还要添跟删请输入“Y”；";
char u7[2];
cin>>u7;
if(strcmp(u7,"Y")==0||strcmp(u7,"y")==0)continue;
else fun(pupil);break;
}
//88888888888888888888888888888888888888888888888888888
fun(pupil);
//88888888888888888888888888888888888888888888888888888888888888
delete[] Name;
delete[] CL;
delete[] NU;
delete[] CH;
delete[] EN;
delete[] MA;
delete[] CO;
}
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