C语言简易通讯录

最新推荐文章于 2022-07-16 22:29:20 发布

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最新推荐文章于 2022-07-16 22:29:20 发布

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本文链接：https://blog.youkuaiyun.com/weixin_41812603/article/details/87202402

本文档将介绍如何利用C语言开发一个简单的通讯录系统，涵盖了数据结构的设计、用户交互界面以及基本功能的实现，如添加联系人、查找联系人和删除联系人等。

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C语言简易通讯录

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>

#define SIZE 100

int tmp = -1;
int person = 0;

typedef struct Infomation
{
	char name[32];
	char tel[15];
	int age;
}info;

void welcome()
{
	system("clear");
	printf("\n\n\n");
	printf("\t\t\t************************************\n");
	printf("\t\t\t************************************\n");
	printf("\t\t\t  1.增加联系人        2.修改联系人\n");
	printf("\t\t\t  3.查询联系人        4.删除联系人\n");
	printf("\t\t\t  5.显示联系人        6.退出\n");
	printf("\t\t\t************************************\n");
	printf("\t\t\t************************************\n");	
}

void addinfo(info *card)
{
	char name[32] = {0};
	char tel[15] = {0};
	int age = 0;

	printf("请添加联系人姓名，电话，年龄:\n");
	scanf("%s%s%d", name, tel, &age);

	strcpy(card[person].name, name);
	strcpy(card[person].tel, tel);
	card[person].age = age;
	person++;
}

void searchinfo(info *card)
{
	char name[32] = {0};
	int i;

	printf("请输入联系人姓名:\n");
	scanf("%s", name);
	
	for(i = 0; i < person; i++)
	{	
		if(strcmp(name, card[i].name) == 0)
		{
			tmp = i;
			break;
		}	
	}
	
	if(i == person)
	{
		printf("查无此人.\n");
		tmp = -1;
	}
	else
	{
		printf("姓名:%s 电话:%s 年龄:%d\n", card[tmp].name, card[tmp].tel, card[tmp].age);
	}
	sleep(2);
}

void modifyinfo(info *card)
{

	char name[32] = {0};
	char tel[32] = {0};
	int age = 0;

	searchinfo(card);
	if(tmp != -1)
	{
		printf("请输入新的姓名，电话，年龄:\n");
		scanf("%s%s%d", name, tel, &age);

		strcpy(card[tmp].name, name);
		strcpy(card[tmp].tel, tel);
		card[tmp].age = age;
	}
}

void deleteinfo(info *card)
{
	int i;
	char ch;

	searchinfo(card);
	getchar(); 
	// pause(); 
	printf("是否删除(y/n)\n");

	if((ch = getchar()) == 'y')
	{
		for(i = tmp; i < person; i++)
		{
			strcpy(card[i].name, card[i + 1].name);
			strcpy(card[i].tel, card[i + 1].tel);
			card[i].age = card[i + 1].age;
		}
		person--;
	}
}

void showinfo(info *card)
{
	int i;
	for(i = 0; i < person; i++)
		printf("姓名:%s 电话:%s 年龄:%d\n", card[i].name, card[i].tel, card[i].age);
	sleep(2);
}

int main()
{
	info card[SIZE];
	int choice;

	welcome();

	while(1)
	{
		printf("请选择功能:\n");
		scanf("%d", &choice);

		switch(choice)
		{
			case 1:
				addinfo(card);
				break;
			case 2:
				modifyinfo(card);
				break;
			case 3:
				searchinfo(card);
				break;
			case 4:
				deleteinfo(card);
				break;
			case 5:
				showinfo(card);
				break;
			case 6:
				exit(1);
			default:
				printf("ERROR\n");
	    }
	    welcome();
	}
	return 0;
}