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C语言_通讯录

news 2026/5/13 12:06:33

//用C语言实现一个通讯录
//包括:test.c，contact.c，contact.h

test.c

#define _CRT_SECURE_NO_WARNINGS
#include "contact.h"
//1.静态版本enum Option
{EXIT,ADD,DEL,REARCH,MODIFY,SHOW,SORT
};void menu()
{printf("**************************************\n");printf("*******1. add          2.del     *****\n");printf("*******3.rearch        4.modify  *****\n");printf("*******5.show          6.sort    *****\n");printf("*******0.exit                    *****\n");printf("**************************************\n");}int main()
{int input = 0;Contact con;//通讯录//初始化通讯录InitContact(&con);do{menu();printf("请输入:>\n");scanf("%d",&input);switch (input){case ADD:AddContact(&con);break;case DEL:DelContact(&con);break;case REARCH:RearchContact(&con);break;case MODIFY:ModyContact(&con);break;case SHOW:ShowContact(&con);break;case SORT:SortContact(&con);break;case EXIT:printf("退出通讯录\n");break;default:printf("输入错误,请重新输入\n");}} while (input);return 0;
}

contact.c

#define _CRT_SECURE_NO_WARNINGS
#include "contact.h"//初始化通讯录
void InitContact(Contact* pc)
{assert(pc);pc->count = 0;memset(pc->data,0,sizeof(pc->data));}//查找通讯录中的联系人
static int FindByName( Contact* pc, char name[])
{assert(pc);if (pc->count == 0){printf("通讯录空\n");return -1;}else{int i = 0;for (i = 0; i < pc->count; i++){if (0 == strcmp(pc->data[i].name, name)){return i;}}return -1;}
}//增加联系人进通讯录
void AddContact(Contact* pc)
{assert(pc);if (pc->count == MAX){printf("通讯录已满，无法添加\n");return;}printf("请输入名字:>");scanf("%s",pc->data[pc->count].name);printf("请输入年龄:>");scanf("%d", &(pc->data[pc->count].age));printf("请输入性别:>");scanf("%s", pc->data[pc->count].sex);printf("请输入电话:>");scanf("%s", pc->data[pc->count].tele);printf("请输入地址:>");scanf("%s", pc->data[pc->count].addr);pc->count++;printf("增加成功\n");
}//打印通讯录中的信息
void ShowContact(const Contact* pc)
{assert(pc);int i = 0;printf("%20s\t%5s\t%5s\t%12s\t%30s\n","名字","年龄","性别","电话","地址");for (i =0; i < pc->count; i++){printf("%20s\t%5d\t%5s\t%12s\t%30s\n",pc->data[i].name,pc->data[i].age, pc->data[i].sex, pc->data[i].tele, pc->data[i].addr);}
}//删除通讯录中的信息
void DelContact(Contact* pc)
{int i = 0;char name[MAX_NAME] = { 0 };assert(pc);if (pc->count == 0){printf("通讯录空\n");return;}else{printf("请输入要删除人的名字:>");scanf("%s", name);//删除//1.查找int pos = FindByName(pc,name);if (pos == -1){printf("要删除的人不存在\n");return;}//2.删除for (i = pos; i < pc->count-1; i++){pc->data[i] = pc->data[i + 1];}pc->count--;printf("删除成功\n");}
}//查找通讯录中的联系人
void RearchContact( Contact* pc)
{assert(pc);char name[MAX_NAME] = { 0 };//1.查找printf("请输入要查找的联系人名字:>\n");scanf("%s",name);int pos = FindByName(pc, name);if (pos == -1){printf("要查找的人不存在\n");return;}//2.打印printf("%20s\t%5s\t%5s\t%12s\t%30s\n", "名字", "年龄", "性别", "电话", "地址");printf("%20s\t%5d\t%5s\t%12s\t%30s\n", pc->data[pos].name,pc->data[pos].age,pc->data[pos].sex,pc->data[pos].tele,pc->data[pos].addr);printf("查找成功\n");
}//修改通讯录中的联系人
void ModyContact(Contact* pc)
{assert(pc);char name[MAX_NAME] = { 0 };printf("请输入要修改的联系人\n");scanf("%s", name);//修改//1.查找int pos = FindByName(pc, name);if (pos == -1){printf("要修改的人不存在\n");return;}//2.修改printf("请输入名字:>");scanf("%s", pc->data[pos].name);printf("请输入年龄:>");scanf("%d", &(pc->data[pos].age));printf("请输入性别:>");scanf("%s", pc->data[pos].sex);printf("请输入电话:>");scanf("%s", pc->data[pos].tele);printf("请输入地址:>");scanf("%s", pc->data[pos].addr);printf("修改成功\n");
}//通讯录排序
//按名字排序
int cmp_by_name(const void* e1,const void*e2)
{return strcmp(((PeoInfo*)e1)->name, ((PeoInfo*)e2)->name);
}void SortContact(Contact* pc)
{assert(pc);qsort(pc->data,pc->count,sizeof(PeoInfo), cmp_by_name);printf("排序成功\n");
}

contact.h

#pragma once
#include<string.h>
#include<stdio.h>
#include<assert.h>
#include<stdlib.h>
#define MAX 100
#define MAX_NAME 20
#define MAX_SEX 10
#define MAX_TELE 12
#define MAX_ADDR 30//类型声明
//人的信息
typedef struct PeoInfo
{char name[MAX_NAME];int age;char sex[MAX_SEX];char tele[MAX_TELE];char addr[MAX_ADDR];
} PeoInfo;//通讯录typedef struct Contact
{PeoInfo data[MAX];int count;//记录当前通讯录中实际的人数
}Contact;//初始化通讯录
void InitContact(Contact* pc);//增加联系人进通讯录
void AddContact(Contact* pc);//打印通讯录中的信息void ShowContact(const Contact* pc);//删除通讯录中的信息
void DelContact(Contact* pc);//查找通讯录中的联系人
void RearchContact(const Contact* pc);//修改通讯录中的信息
void ModyContact(Contact* pc);//通讯录排序
void SortContact(Contact* pc);

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