成绩管理系统代码.doc

#include stdafx.h #includemath.h #includestdio.h #includestdlib.h #includestring.h struct student { char num[20]; char name[20]; float math; float sport; float eng; float ave; }stu[10]; void input(); void sort(); void statistic(); void print(); void search(); void insert(); void modification(); void sdelete(); int _tmain(int argc, _TCHAR* argv[]) { loop: printf(\n\t\t\t\t学?ì生|¨2成¨|绩?§系|ì统a3\n\n); printf(\t\t 1.输o?入¨?学?ì生|¨2成¨|绩?§\t\t 2.排?序¨°学?ì生|¨2成¨|绩?§\n); printf(\t\t 3.统a3计?学?ì生|¨2成¨|绩?§\t\t 4.查¨|询?￥学?ì生|¨2成¨|绩?§\n); printf(\t\t 5.插?入¨?学?ì生|¨2成¨|绩?§\t\t 6.修T改?学?ì生|¨2成¨|绩?§\n); printf(\t\t 7.删|?除y学?ì生|¨2成¨|绩?§\t\t 8.退a?出?学?ì生|¨2成¨|绩?§\n); printf(\n 请?输o?入¨?选?择?功|能¨1: ); int n; scanf(%d,n); system(cls); //功|能¨1是o?清?屏¨￠，ê?清?除y所¨′有?D显?示o?的ì?信?息?é switch(n) { case 1:printf(\n 1.输o?入¨?学?ì生|¨2成¨|绩?§\n);input(); goto loop; case 2:printf(\n 2.排?序¨°学?ì生|¨2成¨|绩?§\n);sort(); goto loop; case 3:printf( 3.统a3计?学?ì生|¨2成¨|绩?§\n);statistic(); goto loop; case 4:printf( 4.查¨|询?￥学?ì生|¨2成¨|绩?§\n);search(); goto loop; case 5:printf( 5.插?入¨?学?ì生|¨2成¨|绩?§\n);insert(); goto loop; case 6:printf( 6.修T改?学?ì生|¨2成¨|绩?§\n);modification(); goto loop; case 7:printf( 7.删|?除y学?ì生|¨2成¨|绩?§\n);sdelete(); goto loop; case 8:printf( 8.退a?出?学?ì生|¨2成¨|绩?§\n);printf(quit);exit(0); default:printf(\t\t\n 【?注á?é意°a】?：êo输o?入¨?有?D误¨?！ê?\n); fflush(stdin);//清?空?输o?入¨?缓o冲?区? goto loop; } system(pause); return 0; } void input() { int i,m; FILE *fp;//声|¨′明??fp指?向¨°file类¤¨¤型¨a结¨￠构1体??的ì?指?针?变à?量￠? printf(\n 输o?入¨?学?ì生|¨2人¨?数oy：êo ); scanf(%d,m); for(i=0;im;i++) { printf(输o?入¨?第ì¨2%d位?学?ì生|¨2,i+1); printf(学?ì号?:); scanf(%s,stu[i].num);//数oy组á¨|本à?身|¨a就¨a是o?地ì?址?¤所¨′以°?无T printf(姓?名?:); scanf(%s,stu[i].name); printf(高?等쨨数oy学?ì成¨|绩?§:);scanf(%f,stu[i].math); printf(大?¨?学?ì体??育?y成¨|绩?§:);scanf(%f,stu[i].sport); printf(大?¨?学?ì英??é语??成¨|绩?§:);scanf(%f,stu[i].eng); stu[i].ave=(stu[i].math+stu[