c语言 学生管理系统 不雷同.doc

#includestdio.h /*学生成绩管理系统*/#includestring.h#includestdlib.h#includeconio.h /*函数 getch() 所需头文件*/int m,n;FILE *fr;char fname81;struct ke /*建立科目结构体*/ int dianfen; /*电路分析*/ int gaoshu; /*高等数学*/ int yingyu; /*大学英语*/ int dawu; /*大学物理*/;struct student /*建立学生结构体*/ long num; /*学号*/ char name21; /*姓名*/ char xibie21; /*系别*/ char banji21; /*班级*/ struct ke kemu; /*科目*/ int zongfen; /*总分*/*s;void find(); /*函数说明*/void menu(); /*函数说明*/void xpm(); /*函数说明*/void bpm(); /*函数说明*/void xifen(); /*函数说明*/void paim(); /*函数说明*/void xi() /*按系查询*/int i,j=0;char k21; clrscr(); printf(Please enter the Department to query:);/*请输入所要查询的系*/ scanf(%s,k); printf(%10s%10s%10s%10s%8s%7s%7s%7s%10sn,xuehao,xingming,xibie,banji,dianfen,gaoshu,yingyu,dawu,zongfen); for(i=0;in;i+) if(strcmp(k,si.xibie)=0) j+; printf(%10ld%10s%10s%10s%8d%7d%7d%7d%10dn,si.num,,si.xibie,si.banji,si.kemu.dianfen,si.kemu.gaoshu,si.kemu.yingyu,si.kemu.dawu,si.zongfen); printf(The Department %s has %d student.n,k,j); printf(Press any key to continue.n); getch(); find();void banji() /*按班级查询*/ int i,j=0;char k21; clrscr(); printf(Please enter the class to query:); /*请输入所要查询的班级*/ scanf(%s,k); printf(%10s%10s%10s%10s%8s%7s%7s%7s%10sn,xuehao,xingming,xibie,banji,dianfen,gaoshu,yingyu,dawu,zongfen); for(i=0;in;i+) if(strcmp(k,si.banji)=0) j+; printf(%10ld%10s%10s%10s%8d%7d%7d%7d%10dn,si.num,,si.xibie,si.banji,si.kemu.dianfen,si.kemu.gaoshu,si.kemu.yingyu,si.kemu.dawu,si.zongfen); printf(The class %s has %d student.n,k,j); printf(Press any key to continue.n); getch(); find();void df() /*查询电路分析成绩*/ int i,j,t,k;int p20; clrscr(); for(i=0;in;i+) pi=i;pi+1=0; printf(%10s%10s%10s%10s%10sn,xuehao,xingming,xibie,banji,dianfen); for(i=1;in;i+) /*索引排序*/ for(j=0;jn-i;j+) if(spj.kemu.dianfenspj+1.kemu.dianfen) t=pj;pj=pj+1;pj+1=t; for(k=0;kn;k+) printf(%10ld%10s%10s%10s%10dn,spk.num,,spk.xibie,spk.banji,spk.kemu.dianfen); printf(Press any key to continue.n); getch(); find();void gs() /*查询高等数学成绩*/ int i,j,t,k;int p20; clrscr(); for(i=0;in;i+) pi=i;pi+1=0; printf(%10s%10s%10s%10s%10sn,xuehao,xingming,xibie,banji,gaoshu); for(i=1;in;i+) /*索引排序*/ for(j=0;jn-i;j+) if(spj.kemu.gaoshuspj+1.kemu.gaoshu) t=pj;pj=pj+1;pj+1=t; for(k=0;kn;k+) printf(%10ld%10s%10s%10s%10dn,spk.num,,spk.xibie,spk.banji,spk.kemu.gaoshu); printf(Press any key to continue.n); getch(); find();void yy() /*查询大学英语成绩*/ int i,j,t,k;int p20; clrscr(); for(i=0;in;i+) pi=i;pi+1=0; printf(%10s%10s%10s%10s%10sn,xuehao,xingming,xibie,banji,yingyu); for(i=1;in;i+) /*索引排序*/ for(j=0;jn-i;j+) if(spj.kemu.yingyuspj+1.kemu.yingyu) t=pj;pj=pj+1;pj+1=t; for(k=0;kn;k+) printf(%10ld%10s%10s%10s%10dn,spk.num,,spk.xibie,spk.banji,spk.kemu.yingyu); printf(Press any key to continue.n); getch(); find();void dw() /*查询大学物理成绩*/int i,j,t,k;int p20; clrscr(); for(i=0;in;i+) pi=i;pi+1=0; printf(%10s%10s%10s%10s%10sn,xuehao,xingming,xibie,banji,dawu); for(i=1;in;i+) /*索引排序*/ for(j=0;jn-i;j+) if(spj.kemu.dawuspj+1.kemu.dawu) t=pj;pj=pj+1;pj+1=t; for(k=0;kn;k+) printf(%10ld%10s%10s%10s%10dn,spk.num,,spk.xibie,spk.banji,spk.kemu.dawu); printf(Press any key to continue.n); getch(); find();void kemu() /*按科目查询*/clrscr(); printf(ttt*-*n); printf(ttt* 1:Dian fen *n); printf(ttt* 2:Gao shu *n); printf(ttt* 3:Ying yu *n); printf(ttt* 4:Da wu *n); printf(ttt* 0:Return *n); printf(ttt*-*n); printf(Please enter your choice(0-4):); scanf(%d,&m); switch(m) case 0:find();break; case 1:df();break; case 2:gs();break; case 3:yy();break; case 4:dw();break; default:printf(Input error!n);printf(Press any key to continue.n);getch();kemu(); void xueh() /*修改学号*/int i;char k20; clrscr(); printf(Input the students name:); scanf(%s,k); for(i=0;in;i+) if(strcmp(k,)=0) printf(Ipnut the xuehao:); scanf(%ld,&si.num); void xingm() /*修改姓名*/int i;char k20; clrscr(); printf(Input the students name:); scanf(%s,k); for(i=0;in;i+) if(strcmp(k,)=0) printf(Ipnut the name:); scanf(%s,); void xib() /*修改系别*/int i;char k20; clrscr(); printf(Input the students name:); scanf(%s,k); for(i=0;in;i+) if(strcmp(k,)=0) printf(Ipnut the xibie:); scanf(%s,si.xibie); void banj()/*修改班级*/int i;char k20; clrscr(); printf(Input the students name:); scanf(%s,k); for(i=0;in;i+) if(strcmp(k,)=0) printf(Ipnut the banji:); scanf(%s,si.banji); void dianf()/*修改电路分析成绩*/int i;char k20; clrscr(); printf(Input the students name:); scanf(%s,k); for(i=0;in;i+) if(strcmp(k,)=0) printf(Ipnut the dian fen cheng ji:); scanf(%d,&si.kemu.dianfen); void gaos()/*修改高等数学成绩*/int i;char k20; clrscr(); printf(Input the students name:); scanf(%s,k); for(i=0;in;i+) if(strcmp(k,)=0) printf(Ipnut the gao shu cheng ji:); scanf(%d,&si.kemu.gaoshu); void yingy()/*修改大学英语成绩*/int i;char k20; clrscr(); printf(Input the students name:); scanf(%s,k); for(i=0;in;i+) if(strcmp(k,)=0) printf(Ipnut the ying yu cheng ji:); scanf(%d,&si.kemu.yingyu); void daw()/*修改大学物理成绩*/int i;char k20; clrscr(); printf(Input the students name:); scanf(%s,k); for(i=0;in;i+) if(strcmp(k,)=0) printf(Ipnut the da wu cheng ji:); scanf(%d,&si.kemu.dawu); void xiugai() /*修改学生信息*/char k20,p20=abcd; clrscr(); printf(Input the password:); scanf(%s,k); if(strcmp(k,p)=0) clrscr(); printf(tt*-*n); printf(tt* 1:Modified xuehao *n); /*修改学号*/ printf(tt* 2:Modified xingming *n); /*修改姓名*/ printf(tt* 3:Modified xibie *n); /*修改系别*/ printf(tt* 4:Modified banji *n); /*修改班级*/ printf(tt* 5:Modified dianfen score *n); /*修改电路分析成绩*/ printf(tt* 6:Modified gaoshu score *n); /*修改高等数学成绩*/ printf(tt* 7:Modified yingyu score *n); /*修改大学英语成绩*/ printf(tt* 8:Modified dawu score *n); /*修改大学物理成绩*/ printf(tt* 0:Return *n); /*回到主菜单*/ printf(tt*-*n); printf(Please enter your choice(0-4):); scanf(%d,&m); switch(m) case 0:break; case 1:xueh();break; case 2:xingm();break; case 3:xib();break; case 4:banj();break; case 5:dianf();break; case 6:gaos();break; case 7:yingy();break; case 8:daw();break; default:printf(Input error!n);printf(Press any key to continue.n);getch();xiugai(); find();void find() /*查询菜单*/clrscr(); printf(tt*-*n); printf(tt* 1:Inquiries by the Department *n); /*按系查询*/ printf(tt* 2:Inquiries by the class *n); /*按班级查询*/ printf(tt* 3:Inquiries by the subject *n); /*按科目查询*/ printf(tt* 4:Modify the basic information *n); /*基本信息修改*/ printf(tt* 0:Back to main menu *n); /*回到主菜单*/ printf(tt*-*n); printf(Please enter your choice(0-4):); scanf(%d,&m); switch(m) case 0:menu();break; case 1:xi();break; case 2:banji();break; case 3:kemu();break; case 4:xiugai();break; default:printf(Input error!n);printf(Press any key to continue.n);getch();find(); void xipj() /*按系查询(求单科平均成绩、及格率和优秀率)*/double a=0,j=0,k=0,l=0; int i;char f21; clrscr(); printf(Please enter the Department to query:);/*请输入所要查询的系*/ scanf(%s,f); for(i=0;i=60) k+; if(si.kemu.dianfen=90) l+; if(j=0) printf(Input error!n);printf(Press any key to continue.n);getch(); else printf(The Department:%snThe dianfen average score is:%5.1lf jigelv:%.1lf% youxiulv:%.1lf%n,f,a/j,k*100/j,l*100/j); a=0;k=0;l=0; for(i=0;i=60) k+; if(si.kemu.gaoshu=90) l+; printf(The gaoshu average score is:%5.1lf jigelv:%.1lf% youxiulv:%.1lf%n,a/j,k*100/j,l*100/j); a=0;k=0;l=0; for(i=0;i=60) k+; if(si.kemu.yingyu=90) l+; printf(The yingyu average score is:%5.1lf jigelv:%.1lf% youxiulv:%.1lf%n,a/j,k*100/j,l*100/j); a=0;k=0;l=0; for(i=0;i=60) k+; if(si.kemu.dawu=90) l+; printf(The dawu average score is:%5.1lf jigelv:%.1lf% youxiulv:%.1lf%n,a/j,k*100/j,l*100/j); printf(Press any key to continue.n); getch(); xifen();void banpj() /*按班级查询(求单科平均成绩、及格率和优秀率)*/double a=0,j=0,k=0,l=0; int i;char f21; clrscr(); printf(Please enter the Class to query:);/*请输入所要查询的系*/ scanf(%s,f); for(i=0;i=60) k+; if(si.kemu.dianfen=90) l+; if(j=0) printf(Input error!n);printf(Press any key to continue.n);getch(); else printf(The class:%snThe dianfen average scores is:%5.1lf jigelv:%.1lf% youxiulv:%.1lf%n,f,a/j,k*100/j,l*100/j); a=0;k=0;l=0; for(i=0;i=60) k+; if(si.kemu.gaoshu=90) l+; printf(The gaoshu average scores is:%5.1lf jigelv:%.1lf% youxiulv:%.1lf%n,a/j,k*100/j,l*100/j); a=0;k=0;l=0; for(i=0;i=60) k+; if(si.kemu.yingyu=90) l+; printf(The yingyu average scores is:%5.1lf jigelv:%.1lf% youxiulv:%.1lf%n,a/j,k*100/j,l*100/j); a=0;k=0;l=0; for(i=0;i=60) k+; if(si.kemu.dawu=90) l+; printf(The dawu average scores is:%5.1lf jigelv:%.1lf% youxiulv:%.1lf%n,a/j,k*100/j,l*100/j); printf(Press any key to continue.n); getch(); xifen();void xifen() /* 次菜单 (每系成绩分析:求单科平均成绩、及格率和优秀率)*/clrscr(); printf(t*-*n); printf(t* 1:Inquiries by the Department *n);/*按系查询*/ printf(t* 2:Inquiries by the class *n);/*按班级查询*/ printf(t* 0:Back to main menu *n);/*回到主菜单*/ printf(t*-*n); printf(Please enter your choice(0-2):); scanf(%d,&m); switch(m) case 0:menu();break; case 1:xipj();break; case 2:banpj();break; default:printf(Input error!n);printf(Press any key to continue.n);getch();xifen(); void kefen() /*对所开课程的成绩分析（求其平均成绩，最高分和最低分）*/int i,k1=0,k2=0;double a=0; clrscr(); for(i=0;in;i+) a=a+si.kemu.dianfen; if(sk1.kemu.dianfen=si.kemu.dianfen) k2=i; printf(*Dianfen*naverage score:%.1lfn,a/n); printf(highest score:n); printf(%ld%10s%10s%10s%6dn,sk1.num,,sk1.xibie,sk1.banji,sk1.kemu.dianfen); printf(lowest score:n); printf(%ld%10s%10s%10s%6dn,sk2.num,,sk2.xibie,sk2.banji,sk2.kemu.dianfen); /*电路分析的平均成绩和最高低分*/ k1=k2=0;a=0; for(i=0;in;i+) a=a+si.kemu.gaoshu; if(sk1.kemu.gaoshu=si.kemu.gaoshu) k2=i; printf(*Gaoshu*naverage score:%.1lfn,a/n); printf(highest score:n); printf(%ld%10s%10s%10s%6dn,sk1.num,,sk1.xibie,sk1.banji,sk1.kemu.gaoshu); printf(lowest score:n); printf(%ld%10s%10s%10s%6dn,sk2.num,,sk2.xibie,sk2.banji,sk2.kemu.gaoshu); /*高等数学的平均成绩和最高低分*/ printf(Press any key to continue.n); getch(); clrscr(); k1=k2=0;a=0; for(i=0;in;i+) a=a+si.kemu.yingyu; if(sk1.kemu.yingyu=si.kemu.yingyu) k2=i; printf(*Yingyu*naverage score:%.1lfn,a/n); printf(highest score:n); printf(%ld%10s%10s%10s%6dn,sk1.num,,sk1.xibie,sk1.banji,sk1.kemu.yingyu); printf(lowest score:n); printf(%ld%10s%10s%10s%6dn,sk2.num,,sk2.xibie,sk2.banji,sk2.kemu.yingyu); /*大学英语的平均成绩和最高低分*/ k1=k2=0;a=0; for(i=0;in;i+) a=a+si.kemu.dawu; if(sk1.kemu.dawu=si.kemu.dawu) k2=i; printf(*Dawu*naverage score:%.1lfn,a/n); printf(highest score:n); printf(%ld%10s%10s%10s%6dn,sk1.num,,sk1.xibie,sk1.banji,sk1.kemu.dawu); printf(lowest score:n); printf(%ld%10s%10s%10s%6dn,sk2.num,,sk2.xibie,sk2.banji,sk2.kemu.dawu); /*大学物理的平均成绩和最高低分*/ printf(Press any key to continue.n); getch(); menu();void xipm() /*按系单科排名*/ int i,j,t,a,k=0;int p20; char q20; clrscr(); printf(Please enter the Department to query:); /*请输入所要查询的系*/ scanf(%s,q); /*电路分析科排名*/ printf(*%s xi Dian fen dan ke pai ming *n,q); for(i=0;in;i+) if(strcmp(q,si.xibie)=0) pk+=i; pk=0; for(i=1;ik;i+) /*索引排序*/ for(j=0;jk-i;j+) if(spj.kemu.dianfenspj+1.kemu.dianfen) t=pj;pj=pj+1;pj+1=t; printf(%10s%10s %8s %8s%8sn,xuehao,xingming,xibie,banji,dianfen); for(a=0;ak;a+) printf(%10ld%10s %8s %8s%8dn,spa.num,,spa.xibie,spa.banji,spa.kemu.dianfen); printf(Press any key to continue.n); getch(); clrscr(); /*高等数学科排名*/ printf(*%s xi Gao shu dan ke pai ming *n,q); for(i=1;ik;i+) /*索引排序*/ for(j=0;jk-i;j+) if(spj.kemu.gaoshuspj+1.kemu.gaoshu) t=pj;pj=pj+1;pj+1=t; printf(%10s%10s %8s %8s%8sn,xuehao,xingming,xibie,banji,gaoshu); for(a=0;ak;a+) printf(%10ld%10s %8s %8s%8dn,spa.num,,spa.xibie,spa.banji,spa.kemu.gaoshu); printf(Press any key to continue.n); getch(); clrscr();/*大学英语科排名*/ printf(*%s xi Ying yu dan ke pai ming *n,q); for(i=1;ik;i+) /*索引排序*/ for(j=0;jk-i;j+) if(spj.kemu.yingyuspj+1.kemu.yingyu) t=pj;pj=pj+1;pj+1=t; printf(%10s%10s %8s %8s%8sn,xuehao,xingming,xibie,banji,yingyu); for(a=0;ak;a+) printf(%10ld%10s %8s %8s%8dn,spa.num,,spa.xibie,spa.banji,spa.kemu.yingyu); printf(Press any key to continue.n); getch(); clrscr(); /*大学物理科排名*/ printf(*%s xi Da wu dan ke pai ming *n,q); for(i=1;ik;i+) /*索引排序*/ for(j=0;jk-i;j+) if(spj.kemu.dawuspj+1.kemu.dawu) t=pj;pj=pj+1;pj+1=t; printf(%10s%10s %8s %8s%8sn,xuehao,xingming,xibie,banji,dawu); for(a=0;ak;a+) printf(%10ld%10s %8s %8s%8dn,spa.num,,spa.xibie,spa.banji,spa.kemu.dawu); printf(Press any key to continue.n); getch(); paim();void banpm() /*按每班总成绩排名*/int i,j,t,k=0;int p30; char q20; clrscr(); printf(Please enter the class to query:n); /*请输入所要查询的班级*/ scanf(%s,q); for(i=0;in;i+) if(strcmp(q,si.banji)=0) pk+=i; pk=0; for(i=1;ik;i+) /*索引排序*/ for(j=0;jk-i;j+) if(spj.zongfenspj+1.zongfen) t=pj;pj=pj+1;pj+1=t; t=k; printf(%8s%10s%10s%10s%8s%8s%8s%8s%10sn,xuehao,xingming,xibie,banji,dianfen,gaoshu,yingyu,dawu,zongfen); for(k=0;kt;k+) printf(%8ld%10s%10s%10s%8d%8d%8d%8d%10dn,spk.num,,spk.xibie,spk.banji,spk.kemu.dianfen,spk.kemu.gaoshu,spk.kemu.yingyu,spk.kemu.dawu,spk.zongfen); printf(Press any key to continue.n); getch(); paim();void paim() /*学生考试成绩排名菜单*/clrscr(); printf(t*-*n); printf(t* 1:Billing Division of the rankings by the Department *n); /*按系单科排名*/ printf(t* 2:Ranked by total score of the class *n); /*按班总成绩排名*/ printf(t* 0:Back to main menu *n)