目录

通讯录系统头文件：

 通讯录系统Test：

通讯录系统函数源代码：

---

通讯录系统头文件：

#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>#define INIT_CAPACITY 2
#define NEW_INIT_CAPACITY 3typedef struct Info
{char name[12];char sex[8];int age;char telephone[12];char address[20];
}Info;typedef struct Address_Book
{int num;int capacity;Info book[0];
}Address_Book;enum difficult_name
{Exit,Add,Del,Search,Modify,Show,Empty,Sort
};void Init(Address_Book** Book);
void Add_info(Address_Book** Book);
void Del_info(Address_Book** Book);
void Store(Address_Book** Book);
void Search_info(Address_Book** Book);
void Modify_info(Address_Book** Book);
void Show_info(Address_Book** Book);
void Empty_info(Address_Book** Book);
void Sort_info(Address_Book** Book);

 通讯录系统Test：

#include "通讯录啊.h"int main()
{Address_Book* Book = (Address_Book*)malloc(sizeof(Address_Book) + sizeof(Info) * INIT_CAPACITY);if (Book == NULL){perror("main - malloc");return;}Init(&Book);int input = 0;do{printf("操作:\n");scanf("%d", &input);switch (input){case Exit:Store(&Book);printf("程序退出!\n");free(Book);Book = NULL;break;case Add:Add_info(&Book);break;case Del:Del_info(&Book);break;case Search:Search_info(&Book);break;case Modify:Modify_info(&Book);break;case Show:Show_info(&Book);break;case Empty:Empty_info(&Book);break;case Sort:Sort_info(&Book);break;default:printf("没有该操作，请重新输入\n");break;}} while (input);return 0;
}

通讯录系统函数源代码：

#include "通讯录啊.h"int CheckCapacity(Address_Book** Book);void Init(Address_Book** Book)
{assert(Book);(*Book)->capacity = INIT_CAPACITY;(*Book)->num = 0;memset((*Book)->book, 0, sizeof(Info) * (*Book)->capacity);FILE* pf = fopen("Book.txt", "rb");if (pf == NULL){perror("Init");printf(__LINE__);return;}Info temp = { 0 };while (fread(&temp, sizeof(Info), 1, pf)){if (0 == CheckCapacity(Book)){return;}(*Book)->book[(*Book)->num] = temp;(*Book)->num++;}fclose(pf);pf = NULL;
}int CheckCapacity(Address_Book** Book)
{assert(*Book);if ((*Book)->num == (*Book)->capacity){Address_Book* str = (Address_Book*)realloc(*Book, sizeof(Address_Book) + sizeof(Info) * ((*Book)->capacity + NEW_INIT_CAPACITY));if (str == NULL){printf("增容失败!\n");return 0;}*Book = str;(*Book)->capacity += NEW_INIT_CAPACITY;printf("增容成功!!!\n");return 1;}}void Add_info(Address_Book** Book)
{if (0 == CheckCapacity(Book)){return;}printf("请输入联系人姓名：\n");scanf("%s", (*Book)->book[(*Book)->num].name);printf("请输入联系人性别：\n");scanf("%s", (*Book)->book[(*Book)->num].sex);printf("请输入联系人年龄：\n");scanf("%d", &(*Book)->book[(*Book)->num].age);printf("请输入联系人电话：\n");scanf("%s", (*Book)->book[(*Book)->num].telephone);printf("请输入联系人地址：\n");scanf("%s", (*Book)->book[(*Book)->num].address);(*Book)->num++;printf("添加成功!\n");
}int True_False(Address_Book* Book, int* u_flag)
{char name[20];printf("输入联系人名字:\n");scanf("%s", name);for (int i = 0; i < Book->num; i++){if (strcmp(name, Book->book[i].name) == 0){*u_flag = i;return 1;}}return 0;
}void Del_info(Address_Book** Book)
{assert(*Book);int u_flag = 0;int ret = True_False(*Book, &u_flag);if (ret == 1){for (int i = u_flag; i < (*Book)->num; i++){(*Book)->book[i] = (*Book)->book[i + 1];}printf("删除成功!\n");}else{printf("未查询到该联系人，删除失败!\n");}}void Store(Address_Book** Book)
{assert(*Book);FILE* pf = fopen("Book.txt", "wb");if (pf == NULL){perror("Store");return;}for (int i = 0; i < (*Book)->num; i++){fwrite((*Book)->book + i, sizeof(Info), 1, pf);}fclose(pf);pf = NULL;
}void Search_info(Address_Book** Book)
{assert(*Book);int u_flag = 0;int ret = True_False(*Book, &u_flag);if (ret == 1){printf("找到了:\n");//打印信息return;}printf("没找到!\n");}void Modify_info(Address_Book** Book)
{assert(*Book);int u_flag = 0;int ret = True_False(*Book, &u_flag);if (ret == 1){printf("找到了:\n");//修改信息return;}printf("没找到!\n");}void Show_info(Address_Book** Book)
{assert(*Book);for (int i = 0; i < (*Book)->num; i++){//打印信息}}void Empty_info(Address_Book** Book)
{assert(*Book);memset((*Book)->book, 0, sizeof(Info) * (*Book)->num);(*Book)->capacity = 0;(*Book)->num = 0;}int cmp(void* p1, void* p2)
{return strcmp(((Info*)p1)->name, ((Info*)p2)->name);
}void Sort_info(Address_Book** Book)
{assert(*Book);//排序方式多种，可以Switch选择排序方式，这里名字排序qsort((*Book)->book, (*Book)->num, sizeof(Info), cmp);printf("排序完成!\n");
}