C语言课程设计-学生饭卡管理系统

void addbalance(); /* 充值*/void password(); /* 密码*/void charge(); /* 收费*/void main() /* 主函数*/{readfile(); /*读取文件*/while (1){select(); /* 主菜单*/}}void readfile() /*导入文件,打开欢迎进入界面*/ {if((fp=fopen("student.bin","rb"))==NULL){if ((fp=fopen("student.bin","wb"))==NULL){exit(0);}else{getch();return;}exit(0);}fseek(fp,0,2);if (ftell(fp)>0) /*文件非空*/{rewind(fp);for (num=0;!feof(fp) && fread(&student[num],sizeof(struct record),1,fp);num++);return;}}void select() /* 主菜单*/{char choic;system("cls");printf("\n\t\t******************** 主菜单********************");printf("\n\t\t*********** 1-添加用户2-查询用户************");printf("\n\t\t*********** 3- 充值4- 消费************");printf("\n\t\t*********** 5-删除用户6-退出系统************");printf("\n\t\t************************************************");printf("\n\t\t请选择：");choic=getch();switch (choic){case '1':addnewcard();break;case '2':searchcard();break;case '3':addbalance();break;case '4':charge();break;case '5':deletecard();break;case '6':exit(0);default:select();}}void addnewcard() /*添加用户*/{printf("\n\t\t*************** 请输入学生信息***************\n");printf("\n\t\t输入学号:");scanf("%s",&student[num].cardnumber);printf("\n\t\t输入姓名:");scanf("%s",&student[num].name);printf("\n\t\t输入电话号码:");scanf("%s",&student[num].phone);printf("\n\t\t输入班级:");scanf("%s",&student[num].classn);printf("\n\t\t输入密码:");scanf("%s",&student[num].password);printf("\n\t\t输入添加金额:");scanf("%d",&student[num].balance);num++;printf("\n\t\t是否继续添加?(Y/N):");if (getch()=='y')addnewcard();return;}void searchcard() /*查询用户*/{int mark=0;int i;int a=0;printf("\n\t\t***************** 按学号查找*****************\n");char cardnumber[10];printf("\n\t\t请输入学号:");scanf("%s",cardnumber);for(i=0;i<num;i++){if (strcmp(student[i].cardnumber,cardnumber)==0){printf("\n\t\t************** 以下是您查找的学生信息**********");printf("\n\t\t学号：%s",student[i].cardnumber);printf("\n\t\t姓名：%s",student[i].name);printf("\n\t\t电话：%s",student[i].phone);printf("\n\t\t班级：%s",student[i].classn);printf("\n\t\t余额：%d",student[i].balance);printf("\n\t\t密码：%s",student[i].password);printf("\n\t\t************************************************");printf("\n\t\t按任意键返回主菜单：");mark++;getch();return;}}if (mark==0){printf("\n\t\t没有改学生的信息");printf("\n\t\t按任意键返回主菜单");getch();return;}}void addbalance() /*充值*/{int i;int m;int a=0;printf("\n\t\t*************** 按学号添加金额***************\n");char cardnumber[10];printf("\n\t\t请输入学号:");scanf("%s",cardnumber);for(i=0;i<num;i++){if (strcmp(student[i].cardnumber,cardnumber)==0){printf("\n\t\t************* 以下是您所选择学生信息***********");printf("\n\t\t学号：%s",student[i].cardnumber);printf("\n\t\t姓名：%s",student[i].name);printf("\n\t\t电话：%s",student[i].phone);printf("\n\t\t班级：%s",student[i].classn);printf("\n\t\t余额：%d",student[i].balance);printf("\n\t\t密码：%s",student[i].password);printf("\n\t\t************************************************");printf("\n\t\t是否添加金额?(y/n)");if (getch()=='y'){printf("\n\t\t请输入你要添加金额：");scanf("%d",&m);printf("\t\t确认添加%d元给%s(y/n)?",m,student[i].name);if (getch()=='y') {student[i].balance=student[i].balance+m;}printf("\n\t\t添加金额成功");}printf("\n\t\t******** 以下是您选择学生添加金额后信息********");printf("\n\t\t学号：%s",student[i].cardnumber);printf("\n\t\t姓名：%s",student[i].name);printf("\n\t\t电话：%s",student[i].phone);printf("\n\t\t班级：%s",student[i].classn);printf("\n\t\t余额：%d",student[i].balance);printf("\n\t\t密码：%s",student[i].password);printf("\n\t\t************************************************");printf("\n\t\t按任意键返回主菜单");getch();return;}}}void charge() /*收费*/{int i;int k;int a=0;printf("\n\t\t***************** 按学号扣费*****************\n");char cardnumber[10];printf("\n\t\t请输入学号:");scanf("%s",cardnumber);for(i=0;i<num;i++){if (strcmp(student[i].cardnumber,cardnumber)==0){printf("\n\t\t************** 以下是您选择学生信息************");printf("\n\t\t学号：%s",student[i].cardnumber);printf("\n\t\t姓名：%s",student[i].name);printf("\n\t\t电话：%s",student[i].phone);printf("\n\t\t班级：%s",student[i].classn);printf("\n\t\t余额：%d",student[i].balance);printf("\n\t\t密码：%s",student[i].password);printf("\n\t\t************************************************");printf("\n\t\t是否扣除金额?(y/n)");if (getch()=='y'){printf("\n\t\t请输入你要扣除金额：");scanf("%d",&k);printf("\t\t确认扣除%d元给%s?(y/n)",k,student[i].name);if (getch()=='y'){student[i].balance=student[i].balance-k;}printf("\n\t\t扣除金额成功");}printf("\n\t\t****** 以下是您所选择学生扣除金额后信息********");printf("\n\t\t学号：%s",student[i].cardnumber);printf("\n\t\t姓名：%s",student[i].name);printf("\n\t\t电话：%s",student[i].phone);printf("\n\t\t班级：%s",student[i].classn);printf("\n\t\t余额：%d",student[i].balance);printf("\n\t\t密码：%s",student[i].password);printf("\n\t\t************************************************");printf("\n\t\t按任意键返回主菜单");getch();return;}}}void deletecard() /*删除用户*/{int i,j;int deletemark=0;char cardnumber[10];printf("\n\t\t请输入要删除学生学号：");scanf("%s",cardnumber);if(num==0){printf("\n\t\t对不起，文件中无任何纪录");printf("\n\t\t按任意键返回主菜单");getch();return;}for (i=0;i<num;i++){if (strcmp(student[i].cardnumber,cardnumber)==NULL) {printf("\n\t\t以下是您要删除的学生纪录：");printf("\n\t\t学号：%s",student[i].cardnumber);printf("\n\t\t姓名：%s",student[i].name);printf("\n\t\t电话：%s",student[i].phone);printf("\n\t\t班级：%s",student[i].classn);printf("\n\t\t余额：%d",student[i].balance);printf("\n\t\t密码：%s",student[i].password);printf("\n\t\t是否删除?(y/n)");if (getch()=='y'){printf("\n\n\t\t!!!退还%d 元给%s.!!!\n\n",student[i].balance,student[i].name);for (j=i;j<num-1;j++) /*纪录移动，从stud数组中删除*/student[j]=student[j+1];num--;deletemark++;printf("\n\t\t删除成功");printf("\n\t\t是否继续删除?(y/n)");if (getch()=='y')deletecard();return;}elsereturn;}continue;}if (deletemark==0){printf("\n\t\t没有该同学的纪录");printf("\n\t\t是否继续删除?(y/n)");if (getch()=='y')deletecard();return;}}void writetofile() /*保存文件*/{int i;if ((fp=fopen("student.bin","wb"))==NULL){printf("\n\t\t文件打开失败");}for (i=0;i<num;i++){if (fwrite(&student[i],sizeof(struct record),1,fp)!=1){printf("\n\t\t写入文件错误!\n");}}fclose(fp);printf("\n\t\t餐卡系统文件已保存");printf("\n\t\t按任意键退出程序\n\t\t");exit(0);}3．设计结果与分析①在Microsoft Visual C++ 软件中输入源程序，在没有提示错误的情况下编译，生成相应的后缀为“jiucankaguanli.exe”的可执行文件。