vs2017读取访问权限冲突问题

Rx丶 2019-04-07 12:55:46

为什么可以运行但是录入数据的时候却不行因为要进行大作业答辩所以很急求大佬解答代码如下 #define _CRT_SECURE_NO_WARNINGS #include<stdio.h> #include<malloc.h> #include<string.h> #include<stdlib.h> #include<windows.h> #define LEN sizeof(struct Student) FILE*fp; struct Student { int Num[10]; char Name[10]; char Sex[5]; char MajorClass[20]; char Birthday[20]; int Telephone[20]; char Address[30]; float Chinese[10]; float Math[10]; float English[10]; struct Student*next; }; void welcome()//欢迎界面 { printf(" ========================================================"); printf("\n"); printf("\n"); printf("\n"); printf(" 欢迎登陆学生信息管理系统"); printf("\n"); printf("\n"); printf("\n"); printf(" =======================================================\n"); }; void menu() { printf("\n"); printf("菜单"); printf("\n"); printf("--------------"); printf("①添加学生信息\n"); printf("--------------"); printf("②浏览学生信息\n"); printf("--------------"); printf("③查询学生信息\n"); printf("--------------"); printf("④删除学生信息\n"); printf("--------------"); printf("⑤修改学生信息\n"); } struct Student*creat() { int n=0; struct Student*head; struct Student*p1, *p2; p1 = p2 = (struct Student*)malloc(LEN); printf("请输入要输入的学生学号"); scanf("%s",&p1->Num); printf("请输入要输入的学生姓名"); scanf("%s",&p1->Name); printf("请输入要输入的学生性别"); scanf("%s",&p1->Sex); printf("请输入要输入的学生专业"); scanf("%s0",&p1->MajorClass); printf("请输入要输入的学生生日"); scanf("%s",&p1->Birthday); printf("请输入要录入的学生电话"); scanf("%s",&p1->Telephone); printf("请输入要录入的学生地址"); scanf("%s",&p1->Address); printf("请输入要录入的学生语文成绩"); scanf("%f",&p1->Chinese); printf("请输入要录入的学生数学成绩"); scanf("%f",&p1->Math); printf("请输入要录入的学生英语成绩"); scanf("%f",&p1->English); system("cls"); welcome(); menu(); } void viewstudent(struct Student*head) { struct Student*q; struct Student*p; p = head->next; if (p==NULL) { printf("没有学生信息!\n"); return; } while(p!=NULL) { printf("%s %s %s %s %s %s %s %f %f %f", &p->Num, &p->Name, &p->Sex, &p->MajorClass, &p->Birthday, &p->Telephone, &p->Address, &p->Chinese, &p->Math, &p->English); p = p->next; } } void findnum(struct Student*head, long search_Num) { struct Student*p; p = head; while ((p != NULL) && (p->Num != search_Num)) p = p->next; if (p != NULL) printf("%s %s %s %s %s %s %s %f %f %f", p->Num, p->Name, p->Sex, p->MajorClass, p->Birthday, p->Telephone, p->Address, p->Chinese, p->Math, p->English); else printf("没有该学生信息\n"); } void findname(struct Student*head, long search_Name) { struct Student*p; int cmp1 = 0, cmp = 0; p = head; while(p!=NULL) if (strcmp(p->Name, search_Name) != 0) { p = p->next; cmp++; } else { printf("%s %s %s %s %s %s %s %s %s %s", p->Num, p->Name, p->Sex, p->MajorClass, p->Birthday, p->Telephone, p->Address, p->Chinese, p->Math, p->English); p = p->next; cmp1 = 1; } if (cmp != 0 && cmp1 == 0) printf("没有该学生信息\n"); } void changestudent(struct Student*p1, long xiu_Num) { struct Student*p2; p2 = p1; while ((p2 != NULL) && (p2->Num != xiu_Num)) p2 = p2->next; if (p2 != NULL) { scanf("%s %s %s %s %s %s %s %s %s %s", &p2->Num, &p2->Name, &p2->Sex, &p2->MajorClass, &p2->Birthday, &p2->Telephone, &p2->Address, &p2->Chinese, &p2->Math, &p2->English); } else printf("没有该学生信息\n"); } struct Student*delstudent(struct Student*head, long del_Num) { struct Student*p, *q; p = head; q = head; while (p && (p->Num != del_Num)) { q = p; p = p->next; } if (p = NULL) printf("没有该学号"); else { if (p == head) { head = p->next; free(p); } else { q->next = p->next; free(p); } } return head; } void save(struct Studetn*head) { struct Student*p; if((fp=fopen("学生信息","w"))==NULL) { printf("打不开该文件\n"); exit(0); } p = head; while (p != NULL) { fprintf(fp, "%s\n",p->Num); fprintf(fp, "%s\n",p->Name); fprintf(fp, "%s\n",p->Sex); fprintf(fp, "%s\n",p->MajorClass); fprintf(fp, "%s\n",p->Birthday); fprintf(fp, "%s\n",p->Telephone); fprintf(fp, "%s\n",p->Address); fprintf(fp, "%f\n",p->Chinese); fprintf(fp, "%f\n",p->Math); fprintf(fp, "%f\n",p->English); p = p->next; } fclose(fp); } struct Student*read() { struct Student*head = NULL; struct Student*p = NULL; struct Student*t = NULL; int a; fp = fopen("学生信息", "r"); if ((fp = fopen("学生信息", "r")) == NULL) { printf("打不开文件!\n"); exit(0); } while (1) { t = (struct Student*)malloc(LEN); a = fscanf(fp, "%s %s %s %s %s %s %s %s %s %s", &t->Num, &t->Name, &t->Sex, &t->MajorClass, &t->Birthday, &t->Telephone, &t->Address, &t->Chinese, &t->Math, &t->English); if (a == 0 || a == -1) return head; t->next = NULL; if (p == NULL) { p = t; t = head; } else { p->next = t; p = p->next; p->next = NULL; } } fclose(fp); } int main() { int code = 0; struct Student*pt = NULL; while (code != 5) { menu(); welcome(); printf("请输入以上序号进行操作\n"); scanf("%d", &code); system("cls"); switch(code) { case 1: { system("cls"); printf("===========================添加学生信息========================\n"); pt = creat(); save(pt); system("cls"); printf("===========================添加学生信息========================\n"); printf("\n"); printf("\n"); printf("\n"); printf("***************************添加信息成功************************\n"); printf("\n"); printf("\n"); printf("\n"); printf("按回车返回主菜单"); getchar(); getchar(); system("cls"); }; break; case 2: { system("cls"); printf("===========================学生信息总表==========================\n"); printf("\n"); printf("学号姓名性别专业生日电话地址语文成绩数学成绩英语成绩"); pt = read(); viewstudent(pt); printf("=================================================================\n"); printf("按回车键返回主菜单"); getchar(); getchar(); system("cls"); }; break; case 3: { int search = 0; system("cls"); printf("===========================查询学生信息===========================\n"); printf("\n"); while (search != 3) { printf("①按学号查询\n ②按姓名查询\n ③退出查询\n"); scanf("%d",&search); switch (search) { case 1: { long search_Num; system("cls"); printf("请输入要查询的学生号"); scanf("%d",&search_Num); system("cls"); printf("=================================查询结果============================"); printf("\n"); printf("学号姓名性别专业生日电话地址语文成绩数学成绩英语成绩"); findnum(read(), search_Num); printf("====================================================================="); printf("\n"); printf("\n按回车键返回查询菜单\n"); getchar(); getchar(); system("cls"); }break; case 2: { char search_Name[15]; system("cls"); printf("请输入要查询的学生姓名"); scanf("%s", search_Name); system("cls"); printf("=================================查询结果============================="); printf("\n"); printf("学号姓名性别专业生日电话地址语文成绩数学成绩英语成绩"); findname(read(), search_Name); printf("======================================================================"); printf("\n"); printf("\n 按回车健返回查询菜单\n"); getchar(); getchar(); system("cls"); }; } } system("cls"); }; break; case 4: { long del_Num; system("cls"); printf("===============================删除学生信息==========================="); printf("\n"); printf("请输入要删除学生的学号\n"); scanf("%d",&del_Num); system("cls"); pt = delstudent(read(), del_Num); save(pt); printf("=================================删除结果============================="); printf("\n"); printf("学号为%d的学生信息删除成功\n",del_Num); printf("\n 按回车键返回主菜单 \n"); getchar(); getchar(); system("cls"); }; break; case 5: { long search_Num; system("cls"); printf("请输入要修改的学生学号"); scanf("%d",&search_Num ); system("cls"); printf("=====================================修改学生信息============================\n"); printf("\n"); printf("学号姓名性别专业生日电话地址语文成绩数学成绩英语成绩\n"); findnum(read(), search_Num); printf("\n"); printf("请输入需要修改的信息"); printf("学号姓名性别专业生日电话地址语文成绩数学成绩英语成绩\n"); pt = read(); changestudent(pt, search_Num); save(pt); printf("=============================================================================\n"); printf("\n"); printf("***********修改信息成功***********"); printf("\n 按回车键返回主菜单 \n"); getchar(); getchar(); } } } }

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