C语言实现学生学籍管理系统

 #include #include #include #include #include //**********************************结构体************************************* struct score { char class_num[10]; char person_num[10]; char name[15]; char sex; int num; }stu; //******************************输出******************************************* void print1()            //输出科目函数 { printf("班级  学号  姓名    性别  分数\n"); } //*****************************菜单******************************************** int menu()             //菜单函数 { char i; printf("\n\n\n\n"); puts("\t\t**********************主菜单******************\t\n"); puts("\t\t\t\t1.学生信息输入        \n"); puts("\t\t\t\t2.学生信息浏览        \n"); puts("\t\t\t\t3.学生信息检索        \n"); puts("\t\t\t\t4.学生信息修改        \n"); puts("\t\t\t\t5.学生信息删除        \n"); puts("\t\t\t\t6. 退 出 系 统        \n"); puts("\t\t**********************************************\t\n"); printf("\t\t\t 请选择（1-6）:[ ]\b\b"); i=getchar(); system("cls"); return i; } //**********************输入函数******************************************* void Enter() { FILE *fp; char ch; if((fp=fopen("f:\\zimou.txt","a+"))==NULL) { printf("\nCannot open file!\n"); getch(); exit(1); } do { printf("请输入班级:");scanf("%s",stu.class_num);getchar(); printf("\n"); printf("请输入学号:");gets(stu.person_num); printf("\n"); printf("请输入姓名:");gets(stu.name); printf("\n"); printf("性  别(m/f):");scanf("%c",&stu.sex);getchar(); printf("\n"); printf("分  数:");scanf("%d",&stu.num);getchar(); printf("\n"); fwrite(&stu,sizeof(stu),1,fp); printf("继续(y/n)?[ ]\b\b"); ch=getchar(); getchar(); }while(ch=='y'||ch=='Y'); fclose(fp); system("cls"); } //*****************浏览函数********************************************** void Browse() { FILE *fp; int total=0; if((fp=fopen("f:\\zimou.txt","a+"))==NULL) { printf("\tCan not open the inform file!"); getch(); exit(1); } while(fread(&stu,sizeof(stu),1,fp)==1) { total++; if(total==1) print1(); printf("%-10s%-10s%-20s",stu.class_num,stu.person_num,stu.name); printf("%-8c",stu.sex); printf("%-4d ",stu.num); printf("\n"); } fclose(fp); printf("\n\n\t共有 %d 条记录!\n",total); printf("\tpress any key to continue!"); getchar(); getchar(); system("cls"); } //**<p style="color:transparent">来源gao!daima.com搞$代!码网</p>*****************查询函数********************************************* void Query() { FILE * fp; char num1[10]; char ch; if((fp=fopen("f:\\zimou.txt","a+"))==NULL) { printf("\tCan not open the inform file!"); getch(); exit(1); } do { getchar(); rewind(fp); printf("\n请输入学号查询:"); gets(num1); while(fread(&stu,sizeof(stu),1,fp)==1) if(strcmp(num1,stu.person_num)==0) { print1(); printf("%-10s%-10s%-20s",stu.class_num,stu.person_num,stu.name); printf("%-8c",stu.sex); printf("%-4d ",stu.num); printf("\n"); break; } puts("\n"); printf("继续查询？(Y/N):[ ]\b\b"); ch=getchar(); }while(ch=='Y'||ch=='y'); fclose(fp); system("cls"); } //**********************学生成绩修改函数*********************************** void Recopose() { FILE * fp1,* fp2; char num1[10]; char ch; getchar(); do { if((fp1=fopen("f:\\zimou.txt","a+"))==NULL) { printf("\tCan not open the infom file!"); getch(); exit(1); } if((fp2=fopen("f:\\ziye.txt","a+"))==NULL) { printf("\tCan not creat the temp file!"); getch(); exit(1); } printf("请输入想要修改的学号:"); gets(num1); while(fread(&stu, sizeof(stu),1,fp1)==1) { if(strcmp(num1,stu.person_num)==0) { print1(); printf("%-10s%-10s%-20s",stu.class_num,stu.person_num,stu.name); printf("%-8c",stu.sex); printf("%-4d ",stu.num); printf("\n"); printf("\n\nPlease input the new information:\n"); printf("\t班级代号:");gets(stu.class_num); printf("\t学生学号:");gets(stu.person_num); printf("\t学生姓名:"); gets(stu.name); printf("\t学生性别:");gets(&stu.sex); printf("\t学生成绩:");scanf("%d",&stu.num); getchar(); } fwrite(&stu,sizeof(stu),1,fp2); } fclose(fp1); fclose(fp2); printf("修改成功!\n"); remove("f:\\zimou.txt"); rename("f:\\ziye.txt","f:\\zimou.txt"); printf("继续修改？(Y/N):[ ]\b\b"); ch=getchar(); getchar(); }while(ch=='Y'||ch=='y'); system("cls"); } //*********************删除函数****************************************** void Delete() { FILE * fp1,* fp2; int flag; char num1[10]; char ch; getchar(); do { if((fp1=fopen("f:\\zimou.txt","a+"))==NULL) { printf("\tCan not open the inform file!"); getch(); exit(1); } if((fp2=fopen("f:\\ziye.txt","a+"))==NULL) { printf("\tCan not creat the temp file!"); getch(); exit(1); } printf("请输入你要删除的学生的学号:"); gets(num1); flag=0; while(fread(&stu,sizeof(stu),1,fp1)==1) { if(strcmp(num1,stu.person_num)==0) { print1(); printf("%-10s%-10s%-20s",stu.class_num,stu.person_num,stu.name); printf("%-8c",stu.sex); printf("%-4d ",stu.num); printf("\n"); flag=1; } else fwrite(&stu,sizeof(stu),1,fp2); } fclose(fp1); fclose(fp2); if(flag==1) { remove("f:\\zimou.txt"); rename("f:\\ziye.txt","f:\\zimou.txt"); } else printf("Can not find this record!\n"); printf("继续删除?(Y/N):[ ]\b\b"); ch=getchar(); getchar(); }while(ch=='Y'||ch=='y'); system("cls"); } //***********************************退出************************************** void Exit() { puts("\n\t\t\t\t感谢使用本系统！！\n\n\t\t\t\t有任何问题请联系：[email protected] \n"); exit(0); } //******************欢迎界面********************************** void Welcome() { printf("\n\n"); printf(" \t┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓\n"); printf(" \t┃**********************************************************┃\n"); printf(" \t┃***┏━━━━━━━━━━━━━━━━━━━━━━━━┓***┃\n"); printf(" \t┃***┃************************************************┃***┃\n"); printf(" \t┃***┃***           ****┃***┃\n"); printf(" \t┃***┃***  欢迎使用学生成绩管理系统   ****┃***┃\n"); printf(" \t┃***┃***           ****┃***┃\n"); printf(" \t┃***┃***           ****┃***┃\n"); printf(" \t┃***┃***     制作人：XXY   ****┃***┃\n"); printf(" \t┃***┃***           ****┃***┃\n"); printf(" \t┃***┃***      2013.6.20  ****┃***┃\n"); printf(" \t┃***┃***           ****┃***┃\n"); printf(" \t┃***┃************************************************┃***┃\n"); printf(" \t┃***┗━━━━━━━━━━━━━━━━━━━━━━━━┛***┃\n"); printf(" \t┃**********************************************************┃\n"); printf(" \t┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛\n"); puts(" \n\t      ① 管理员登陆!       \n"); puts(" \n\t      ② 游客 登陆!       \n"); printf("\n请选择登陆（1 or 2）:[ ]\b\b"); / /左移一位“\b ” } //*****************************主函数**************************************** int main() { int i,k=0; char username[15],pwd[7],c; system("color 5e");//颜色 Welcome(); c=getchar();getchar(); if (c=='1') { system("cls");//跳转页面。 puts("\n\n\n\n\n\n\n\t\t\t\t管 理 员 登 陆！\n\n\n\n\n\t\t\t\t 请 登 陆!"); getchar(); for(i=0;i<3;i++) { printf("\n请输入用户名:"); gets(username); printf("\n请输入6位密码:"); gets(pwd); //判断条件 if((strcmp(username,"xiaxianyun")==0)&&(strcmp(pwd,"123456")==0)) { printf("\n您已经成功登录\n"); k=1; for(i=0;i<20;i++) { printf("."); Sleep(100); } system("cls"); while(1) switch(menu()) { case '1':Enter();break; case '2':Browse();break; case '3':Query();break; case '4':Recopose();break; case '5':Delete();break; case '6':Exit();break; } break; } else printf("\n用户名或密码无效 请重新输入:\n"); continue; } if(k==0) printf("\n连续输入错误3次 将退出程序\n"); Sleep(2000); exit(1); } else if(c=='2')//游客登录 { system("cls");//跳转页面。 puts("\n\n\n\n\n\n\n\t\t\t\t欢 迎 游 客 进 入！\n\n\n\n\n\t\t\t\t 请 确 定!"); getchar(); system("cls"); while(1) switch(menu()) { case '1':Enter();break; case '2':Browse();break; case '3':Query();break; case '4':system("cls");getchar(); puts("\n\n\t\t对不起你没有权限修改！\n\n"); printf("\t\tpress any key to continue!");getchar();system("cls");break; case '5':system("cls");getchar(); puts("\n\n\t\t对不起你没有权限删除！\n\n"); printf("\t\tpress any key to continue!");getchar();system("cls");break; case '6':Exit();break; } } return 0; }