main.c文件
#define _CRT_SECURE_NO_WARNINGS 1#include "contact.h"void test(SUM* pc){ /*char arr[] = "222"; change(pc,arr); print(pc);*/ int i = 0; char arr[name_MAX]; printf("请输出指令："); while (1) { scanf("%d", &i); switch (i) { case ADD_1: ADD(pc); printf("请再次输出指令："); break; case delet_2: printf("请输出要删除的联系人姓名："); scanf("%s", arr); delet(pc, arr); printf("请再次输出指令："); break; case change_3: printf("请输出要批改的联系人姓名："); scanf("%s", arr); change(pc, arr); printf("请再次输出指令："); break; case search_4: printf("请输出要搜寻的联系人姓名："); scanf("%s", arr); print_one(pc, search(pc, arr)); printf("请再次输出指令："); break; case print_5: print(pc); printf("请再次输出指令："); break; case print_one_6: printf("请输出要显示的联系人姓名："); scanf("%s", arr); print_one(pc, search(pc, arr)); printf("请再次输出指令："); break; default: printf("输出有误！请从新输出："); break; } } return;}int main(){ //构造体初始化 SUM Data = { .people = {{"111","444","777"},{"222","555","888"},{"333","666","999"}}, .size = 3 }; test(&Data); return 0;}
contact.c文件
#define _CRT_SECURE_NO_WARNINGS 1#include "contact.h"//减少联系人void ADD(SUM* const pc){ printf("请输出姓名："); scanf("%s", &(pc->people[pc->size].name)); printf("请输出单位："); scanf("%s", &(pc->people[pc->size].danwei)); printf("请输出号码："); scanf("%s", &(pc->people[pc->size].tele)); (pc->size)++; return;}//搜寻联系人,依据姓名查找，返回对应的下标int search(SUM* const pc, const char * arr){ for (int i = 0;i<pc->size;i++) { if (strcmp(((pc->people)[i].name), arr) == 0) { return i; //找到了，返回对应下标 } } return -1; //-1示意没找到}//删除联系人void delet(SUM* const pc, const char *arr){ int a = search(pc,arr); for (a;a<(pc->size-1);a++) { pc->people[a] = pc->people[a + 1]; } (pc->size)--; return;}//打印联系人void print(SUM* const pc){ for (int i = 0; i < pc->size; i++) { printf("%s ", (pc->people)[i].name); printf("%s ", (pc->people)[i].danwei); printf("%s ", (pc->people)[i].tele); printf("\n"); } return;}//打印某一个联系人void print_one(SUM* const pc, const int i){ printf("%s ", (pc->people)[i].name); printf("%s ", (pc->people)[i].danwei); printf("%s ", (pc->people)[i].tele); printf("\n"); return;}//改void change(SUM* const pc, const char* arr){ int a = search(pc, arr); printf("请输出姓名："); scanf("%s",pc->people[a].name); printf("请输出单位："); scanf("%s", pc->people[a].danwei); printf("请输出号码："); scanf("%s", pc->people[a].tele); return;}
contact.h文件
#pragma once#include <stdio.h>#include <string.h>#define name_MAX 20#define danwei_MAX 20#define tele_MAX 12#define people_MAX 100#define ADD_1 1#define delet_2 2#define change_3 3#define search_4 4#define print_5 5#define print_one_6 6typedef struct Contact{ char name[name_MAX]; char danwei[danwei_MAX]; char tele[tele_MAX];}Contact;typedef struct SUM{ Contact people[people_MAX]; int size;}SUM;void ADD(SUM* const pc);void delet(SUM* const pc, const char* arr);void change(SUM* const pc, const char* arr);int search(SUM* const pc, const char* arr);void print(SUM* const pc);void print_one(SUM* const pc, const int i);