#include<stdio.h>#include<windows.h>#include<conio.h>intadd();intamend();intremove();intshow_student();intshow_class();structinfo //用于存儲學(xué)生信息{charname[20]; //姓charsex[20]; //性別charidcard[20]; //身份證號charstuid[10]; //學(xué)號characademe[20]; //學(xué)charspecialty[20]; //專業(yè)charclassid[20]; //班級charhome[20]; //生源地}stu[100];intj=0;intmain(void) //主函數(shù){/**/chargongnengxuanzhe;intflag=1;system("cls");printf("\n");printf("\t\t\t\t printf("\n\n\t尊敬的用戶，非常感謝您使用本系統(tǒng)，您的完美體驗(yàn)將是我們前進(jìn)的方向!\n\n\n");printf("\t系統(tǒng)功能簡介：\n\n\n");printf("\t\t①\n\n");printf("\t\t②\n\n");\n\n");printf("\t\t④\n\n");printf("\t\t⑤\n\n");printf("\t\t⑥\n\n\n");printf("\t按任意鍵進(jìn)入系統(tǒng) ");getch();do{system("cls");printf("\n\n\n");printf(" !\n");printf("\n\n\n");printf(" 1.\n\n");printf(" printf(" 3.\n\n");printf(" 4.\n\n");printf(" 5.\n\n");printf(" 0.\n\n\n\n");printf(" gongnengxuanzhe=getch();switch(gongnengxuanzhe){case'1':add();break;case'2':amend();break;case'3':remove();break;case'4':show_student();break;case'5':show_class();break;case'0':flag=0;break;default:{printf("\n\n 您的輸入有誤請仔細(xì)閱讀使用說printf("\n 任意鍵繼...");getch();}}system("cls");printf("\n\n\n\n\n\n\n\n\n\n\tprintf("\n\n\t\t\t 按任意鍵退出系統(tǒng) ");getch();return0;}intadd() //增加學(xué)生信息函數(shù){charflag='1';do{system("cls");printf("\n\t姓名：");scanf("%s",&stu[j].name);printf("\n\n\t性別：");scanf("%s",&stu[j].sex);printf("\n\n\tscanf("%s",&stu[j].idcard);printf("\n\n\t:");printf("\n\n\t專業(yè)：");scanf("%s",&stu[j].specialty);printf("\n\n\t班級：");scanf("%s",&stu[j].classid);printf("\n\n\t學(xué)號：");scanf("%s",&stu[j].stuid);printf("\n\n\t生源地：");scanf("%s",&stu[j].home);j++;printf("\n\t1,:");getchar();flag=getchar();}while(flag=='1');return0;}intamend() //修改學(xué)生信息函數(shù){if(j==0){");}

system("cls");printf("\n\n\n\n\n\n\n\n\n\n\t\t 系統(tǒng)無任何可以修改的記錄，請先行輸入數(shù)據(jù)！printf("\n\n\t\t\t 按任意鍵返回 ");getch();return0;chara[20];intz;intflag=0;do{system("cls");printf("\n\tscanf("%s",a);for(z=0;z<j;z++){if(strcmp(stu[z].stuid,a)==0){flag=1;break; //break不會執(zhí)行}}if(flag==0){printf("\t對不起，你請求學(xué)生信息不存在，請核實(shí)后重!\n");printf("\t按任意鍵繼續(xù) ");getch();}}while(flag==0);system("cls");printf("\n\t姓名：");scanf("%s",&stu[z].name);printf("\n\n\t性別：");scanf("%s",&stu[z].sex);printf("\n\n\tscanf("%s",&stu[z].idcard);printf("\n\n\t:");printf("\n\n\t專業(yè)：");scanf("%s",&stu[z].specialty);printf("\n\n\t班級：");scanf("%s",&stu[z].classid);printf("\n\n\t學(xué)號：");scanf("%s",&stu[z].stuid);printf("\n\n\tscanf("%s",&stu[z].home);return0;}intremove() //刪除學(xué)生信息函數(shù){if(j==0){");}

system("cls");printf("\n\n\n\n\n\n\n\n\n\n\t\t 系統(tǒng)無任何可以刪除的記錄，請先行輸入數(shù)據(jù)！printf("\n\n\t\t\t 按任意鍵返回 ");getch();return0;charintz;intx;intflag=0;do{system("cls");printf("\n\tscanf("%s",a);for(z=0;z<j;z++){if(strcmp(stu[z].stuid,a)==0){flag=1;for(x=z;x<j;x++){}j--;

strcpy(stu[x].name,stu[x+1].name);strcpy(stu[x].sex,stu[x+1].sex);strcpy(stu[x].idcard,stu[x+1].idcard);strcpy(stu[x].academe,stu[x+1].academe);strcpy(stu[x].specialty,stu[x+1].specialty);strcpy(stu[x].classid,stu[x+1].classid);strcpy(stu[x].stuid,stu[x+1].stuid);strcpy(stu[x].stuid,stu[x+1].stuid);printf("\n\t刪除成功!");printf("\n\t按任意鍵返回上級菜單 ");getch();}}if(flag==0){printf("\t對不起，你請求學(xué)生信息不存在，請核實(shí)后重!\n");printf("\t按任意鍵繼續(xù) ");getch();}}while(flag==0);return0;}intshow_student() //單個顯示學(xué)生信息函數(shù){if(j==0){");

system("cls");printf("\n\n\n\n\n\n\n\n\n\n\t\t 系統(tǒng)無任何可以顯示的記錄，請先行輸入數(shù)據(jù)！printf("\n\n\t\t\t 按任意鍵返回 ");getch();return0;}chara[20];intz;intflag=0;do{system("cls");printf("\n\tscanf("%s",a);for(z=0;z<j;z++){if(strcmp(stu[z].stuid,a)==0){flag=1;system("cls");printf("\n\t姓名：%s",stu[z].name);printf("\n\n\t性別：%s",stu[z].sex);printf("\n\n\t身份證號：%s",stu[z].idcard);printf("\n\n\t學(xué):%s",stu[z].academe);printf("\n\n\t專業(yè)：%s",stu[z].specialty);printf("\n\n\t班級：%s",stu[z].classid);printf("\n\n\t學(xué)號：%s",stu[z].stuid);printf("\n\n\t生源地：%s",stu[z].home);printf("\n\n\t按任意鍵返回上級菜單 getch();}}if(flag==0){printf("\t對不起，你請求顯示的學(xué)生信息不存在，請核實(shí)后重!\n");printf("\t按任意鍵繼續(xù) ");getch();}}while(flag==0);return0;}intshow_class() //顯示整個班級學(xué)生信息函數(shù){if(j==0){");

system("cls");printf("\n\n\n\n\n\n\n\n\n\n\t\t 系統(tǒng)無任何可以顯示的記錄，請先行輸入數(shù)據(jù)！printf("\n\n\t\t\t 按任意鍵返回 ");getch();return0;}charintz;intx;intflag=0;do{system("cls");printf("\n\tscanf("%s",a);for(z=0;z<j;z++){if(strcmp(stu[z].classid,a)==0){flag=1;system("cls");printf("\t%s %s\n",stu[z].specialty,stu[z].classid);for(x=0;x<j;x++){if(strcmp(stu[x].classid,a)==0){printf("\n\n\t姓名：%s",stu[z].name);printf("\n\t性別：%s",stu[z].sex);printf("\n\t身份證號：%s",stu[z].idcard);printf("\n\t:%s",stu[z].academe);printf("\n\t專業(yè)：%s",stu[z].specialty);printf("\n\t班