简易通讯录

用结构体相关内容来实现一个通讯录，通讯录中每个联系人信息包括：姓名、性别、年龄、电话、住址 用一个结构体来完成描述的工作：

功能如下：

添加联系人信息 AddPersonInfo（） 删除指定联系人信息 DelPersonInfo（） 查找指定联系人信息 FindPersonInfo（） 修改指定联系人信息 UpdatePersonInfo（） 显示所有联系人信息 PrintAllPersonInfo（） 清空所有联系人 ClearAllPersonInfo（） 以名字排序所有联系人 SortPersonInfo（） 保存联系人到文件 FileSavePersonInfo（） 加载联系人LoadPersonInfo（）

代码如下：

#define _CRT_SECURE_NO_WARNINGS #include<stdio.h> #include<stdlib.h> #include<string.h> #define FILE_TXT “D:/文档/test.txt” #define MAX_PERSON_INFO_SIZE 1000 typedef struct PersonInfo { char name[1024];//姓名 char sex[1024];//性别 char age[1024];//年龄 char phone[1024];//电话 char address[1024];//住址 }PersonInfo; typedef struct AddressBook { PersonInfo persons[MAX_PERSON_INFO_SIZE];//最大可存储1000人信息 int size;//[0,size) }AddressBook; AddressBook g_address_book; void Init() {//使用前先进行初始化 g_address_book.size = 0; for (int i = 0; i < MAX_PERSON_INFO_SIZE; ++i) { g_address_book.persons[i].name[0] = ‘\0’; g_address_book.persons[i].sex[0] = ‘\0’; g_address_book.persons[i].age[0] = ‘\0’; g_address_book.persons[i].phone[0] = ‘\0’; g_address_book.persons[i].address[0] = ‘\0’; } } int Menu() { printf("\n"); printf(" 通讯录 \n"); printf(" 1、新增联系人 \n"); printf(" 2、删除联系人 \n"); printf(" 3、查找联系人 \n"); printf(" 4、修改联系人信息 \n"); printf(" 5、显示所有联系人信息 \n"); printf(" 6、清空联系人 \n"); printf(" 7、排序联系人 \n"); printf(" 8、保存联系人到文件 \n"); printf(" 9、加载联系人 \n"); printf(" 0、退出程序 \n"); printf("\n"); printf(" 请输入您的选择： \n"); int choice = 0; scanf("%d", &choice); return choice; }

void Empty() { //该函数不做任何操作，为了在转移表中凑一个数 }

void AddPersonInfo() { printf(“新增联系人\n”); if (g_address_book.size >= MAX_PERSON_INFO_SIZE) { printf(“新增联系人失败！\n”); return; } PersonInfo* person_info = &g_address_book.persons[g_address_book.size]; printf(“请输入联系人姓名：”); scanf("%s",person_info->name); printf(“请输入联系人性别：”); scanf("%s", person_info->sex); printf(“请输入联系人年龄：”); scanf("%s", person_info->age); printf(“请输入联系人电话：”); scanf("%s", person_info->phone); printf(“请输入联系人住址：”); scanf("%s", person_info->address); ++g_address_book.size; printf(“新增联系人成功！\n”); }

void DelPersonInfo() { printf(“删除联系人\n”); if (g_address_book.size <= 0) { printf(“删除失败，通讯录为空！\n”); return; } printf(“请输入您要删除的联系人序号：”); int id = 0; scanf("%d", &id); if (id<0 || id>g_address_book.size) { printf(“删除失败，输入的序号有误！\n”); return; } printf(“您确定要删除以下联系人的信息吗？\n”); PersonInfo* info = &g_address_book.persons[id]; printf("[%d]\t%s\t%s\t%s\t%s\t%s\t\n", id, info->name, info->sex, info->age, info->phone, info->address); while (1) { printf(“请输入您的选择：（Y/N）\n”); char choice[1024] = { 0 }; scanf("%s", choice); if (strcmp(choice, “Y”) == 0) { g_address_book.persons[id] = g_address_book.persons[g_address_book.size - 1]; –g_address_book.size; printf(“删除联系人成功！\n”); return; } else if (strcmp(choice, “N”) == 0) { printf(“删除联系人取消！\n”); return; } else { printf(“您的输入有误！\n”); continue; } } }

void FindPersonInfo() { printf(“查找联系人！\n”); if (g_address_book.size <= 0) { printf(“查找失败，通讯录为空！\n”); return; } //根据姓名查找联系人信息 printf(“请输入您要查找的联系人姓名：”); char name[1024] = { 0 }; scanf("%s", name); for (int i = 0; i < g_address_book.size; ++i) { PersonInfo* info = &g_address_book.persons[i]; if (strcmp(name, info->name) == 0) { printf("[%d]\t%s\t%s\t%s\t%s\t%s\t\n", i, info->name, info->sex, info->age, info->phone, info->address); } } printf(“查找联系人成功！\n”); }

void UpdatePersonInfo() { printf(“更新联系人\n”); if (g_address_book.size <= 0) { printf(“修改失败，通讯录为空！\n”); return; } printf(“请输入要修改的联系人序号：”); int id = 0; scanf("%d", &id); if (id < 0 || id >= g_address_book.size) { printf(“输入的序号有误，修改失败！\n”); return; } PersonInfo* info = &g_address_book.persons[id]; printf(“请输入新的姓名：（%s）”, info->name); char name[1024] = { 0 }; scanf("%s", name); if (strcmp(name, “”) != 0) { strcpy(info->name, name); } printf(“请输入新的性别：（%s）”, info->sex); char sex[1024] = { 0 }; scanf("%s", sex); if (strcmp(sex, “”) != 0) { strcpy(info->sex, sex); } printf(“请输入新的年龄：（%s）”, info->age); char age[1024] = { 0 }; scanf("%s", age); if (strcmp(age, “”) != 0) { strcpy(info->age, age); } printf(“请输入新的电话：（%s）”, info->phone); char phone[1024] = { 0 }; scanf("%s", phone); if (strcmp(phone, “”) != 0) { strcpy(info->phone, phone); } printf(“请输入新的地址：（%s）”, info->address); char address[1024] = { 0 }; scanf("%s", address); if (strcmp(address, “”) != 0) { strcpy(info->address, address); } printf(“更新联系人信息成功！\n”); }

void PrintAllPersonInfo() { printf(“打印全部联系人\n”); int i = 0; printf(“序号\t姓名\t性别\t年龄\t电话\t地址\t\n”); for (; i < g_address_book.size; ++i) { PersonInfo* info = &g_address_book.persons[i]; printf("[%d]\t%s\t%s\t%s\t%s\t%s\t\n", i,info->name, info->sex, info->age, info->phone, info->address); } printf(“共打印了%d条联系人信息\n”, i); printf(“打印全部联系人成功！\n”); }

void ClearAllPersonInfo() { printf(“清空联系人！\n”); printf(“请问您确定要清空所有联系人？”); printf(“请输入您的选择：（Y/N）”); char choice[1024] = { 0 }; scanf("%s", choice); if (strcmp(choice, “Y”) == 0) { g_address_book.size = 0; printf(“清空联系人完成！\n”); return; } else if (strcmp(choice, “N”) == 0) { printf(“取消清空所有联系人！\n”); return; } else { printf(“您的输入有误！\n”); return; } }

void SortPersonInfo() { printf(“排序联系人！\n”); //按照姓名的字典序来排序联系人信息 int bound = 0; //冒泡排序的方法 for (; bound < g_address_book.size; ++bound) { for (int cur = g_address_book.size - 1; cur > bound; --cur) { PersonInfo* info1 = &g_address_book.persons[cur-1]; PersonInfo* info2 = &g_address_book.persons[cur]; (strcmp(info1->name, info2->name)); if((strcmp(info1->name, info2->name))>0){ g_address_book.persons[g_address_book.size+1]; g_address_book.persons[g_address_book.size + 1] = g_address_book.persons[cur]; g_address_book.persons[cur] = g_address_book.persons[cur - 1]; g_address_book.persons[cur - 1] = g_address_book.persons[g_address_book.size + 1]; } } } printf(“排序联系人成功！\n”); }

void FileSavePersonInfo() { printf(“保存联系人到文件\n”); FILE* pf = fopen(FILE_TXT, “w”); if (pf == NULL) { perror(“File opening failed”); exit(EXIT_FAILURE); } for (int i = 0; i < g_address_book.size; ++i) { fwrite(&(g_address_book.persons[i]), sizeof(PersonInfo), 1, pf); } fclose(pf); printf(“保存联系人到文件完成！\n”); }

void LoadPersonInfo() { printf(“加载联系人\n”); FILE* pread = fopen(FILE_TXT, “r”); if (pread == NULL) { perror(“File reading failed”); exit(EXIT_FAILURE); } PersonInfo per = { 0 }; for (int i = 0; fread(&per, sizeof(PersonInfo), 1, pread); ++i, ++g_address_book.size) { g_address_book.persons[i] = per; } fclose(pread); printf(“加载联系人完成！\n”); }

typedef void(*Func)(); int main() { //用转移表来完成用户选择输入调用相应函数 Func arr[] = { Empty, AddPersonInfo, DelPersonInfo, FindPersonInfo, UpdatePersonInfo, PrintAllPersonInfo, ClearAllPersonInfo, SortPersonInfo, FileSavePersonInfo, LoadPersonInfo }; Init();//初始化 while (1) { int choice = Menu(); if (choice < 0 || choice >= sizeof(arr) / sizeof(arr[0])) { printf(“您的输入有误，请重新输入！\n”); continue; } if (choice == 0) { printf(“goodbye!\n”); break; } arrchoice; } system(“pause”); return 0; }