#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <conio.h>
#include <windows.h>
typedef struct student
{int score;int num;char name[30];int _class;char major[30];char academy[30];char sex;int height;int weight;int birth_year;int birth_month;int birth_day;char birthplace[50];/*char home_place[50];char guardian[30];//监护人char tell;*/student *next;
}student;
void InitList(student *&L)
{L = (student *)malloc(sizeof(student));L->next = NULL;
}
void Add(student *&L)
{int ch;student *p, *q;q = L;p = (student *)malloc(sizeof(student));//插入，直接在新增节点时排序//学号，姓名，班级，专业，所在院系，性别，身高，体重，出生日期，籍贯printf("请输入姓名\n");scanf("%s", p->name);printf("请输入学号\n");scanf("%d", &p->num);printf("请输入素拓分\n");scanf("%d", &p->score);printf("%d\n", p->score);printf("请输入班级\n");scanf("%d", &p->_class);printf("请输入专业\n");scanf("%s", p->major);printf("请输入院系\n");scanf("%s", p->academy);rewind(stdin);printf("请输入性别(W或M)\n");scanf("%c", &p->sex);printf("请输入身高(cm)\n");scanf("%d", &p->height);printf("请输入体重(kg)\n");scanf("%d", &p->weight);printf("请输入出生日期(年)\n");scanf("%d", &p->birth_year);printf("请输入出生日期(月)\n");scanf("%d", &p->birth_month);printf("请输入出生日期(日)\n");scanf("%d", &p->birth_day);printf("请输入籍贯\n");scanf("%s", &p->birthplace);if (L->next == NULL){p->next = L->next;L->next = p;}else{while (q->next != NULL && p->score < q->next->score)q = q->next;p->next = q->next;q->next = p;}printf("是否继续添加？(Y/N)\n");ch = _getch();if (ch == 'Y' || ch == 'y')Add(L);
}
void Save(student *L)
{FILE *fp;student *p;if ((fp = fopen("信息.txt", "wb")) == NULL){printf("保存失败！\n");return;}for (p = L->next; p != NULL; p = p->next)fwrite(p,sizeof(student),1,fp);//fwrite()函数返回成功写入项的数量。正常情况下，该返回值就是 nmemb，但如果出现写入错误，返回值会比nmemb小。
 fclose(fp);
}
void Load(student *&L)
{//因为保存时，先保存大，再保存小，为了保持原有顺序，需要在读取时采用尾插法student *q;q = L;FILE *fp;if ((fp = fopen("信息.txt", "rb+")) == NULL){printf("读取失败！\n");return;}CNodeR(q, fp);printf("读取成功！\n");fclose(fp);
}
void CNodeR(student *&L, FILE *fp)
{student *p = (student *)malloc(sizeof(student));fread(p, sizeof(student), 1, fp);　　 p->next = L->next;L->next = p;if (!feof(fp))CNodeR(L, fp);
}

void Load(student *&L)
{//因为保存时，先保存大，再保存小，为了保持原有顺序，需要在读取时采用尾插法student *q;q = L;FILE *fp;if ((fp = fopen("信息.txt", "rb+")) == NULL){printf("读取失败！\n");return;}CNodeR(q, fp);printf("读取成功！\n");fclose(fp);Sleep(1000);
}
void CNodeR(student *&L, FILE *fp)
{student *p = (student *)malloc(sizeof(student));fread(p, sizeof(student), 1, fp);if (p->score < -1000){free(p);return;//这个判断是为了取消fread的副作用:多读一个节点
    }p->next = L->next;L->next = p;if (!feof(fp))CNodeR(L, fp);
}