学习记录2024/12/25；用C语言实现通讯录功能

发布于：2025-02-11 ⋅ 阅读:(89) ⋅ 点赞:(0)

test.c（测试逻辑）

#define _CRT_SECURE_NO_WARNINGS
#include "contact.h"

int main()
{
	int input = 0;
	Contact con;
	InitContact(&con);
	void (*function[])(Contact*) = { AddContact,DelContact,
									 SearchContact,ModifyContact,
									 ShowContact,SortContact };
	do
	{
		menu();
		if (scanf("%d", &input) == 1)
		{
			if (input > 0 && input <= 6)
			{
				function[input - 1](&con);
			}
			else if (input == 0)
			{
				printf("退出程序\n");
			}
			else
			{
				printf("输入错误\n");
			}
		}
		else
		{
			printf("输入错误\n");
			while (getchar() != '\n');
			input = -1;
		}
	} while (input);
	return 0;
}

contact.c（功能实现）

#define _CRT_SECURE_NO_WARNINGS
#include "contact.h"


void menu(void)
{
	printf("******************************************\n");
	printf("******   1.add            2.del     ******\n");
	printf("******   3.search         4.modify  ******\n");
	printf("******   5.show           6.sort    ******\n");
	printf("******            0.Exit            ******\n");
	printf("******************************************\n");
}



void InitContact(Contact* con)
{
	memset(con, 0, sizeof(Contact));
}



void AddContact(Contact* con)
{
	assert(con);
	if (con->count <= MAX)
	{
		printf("请输入姓名 -> ");
		scanf("%s", con->contacts[con->count].name);
		printf("请输入性别 -> ");
		scanf("%s", con->contacts[con->count].sex);
		printf("请输入年龄 -> ");
		scanf("%d", &con->contacts[con->count].age);
		printf("请输入电话 -> ");
		scanf("%11s", con->contacts[con->count].tele);
		printf("请输入地址 -> ");
		scanf("%s", con->contacts[con->count].address);
		con->count++;
	}
	else
	{
		printf("通讯录已满\n");
	}
}



void ShowContact(Contact* con)
{
	assert(con);
	if (con->count > 0)
	{
		printf("%-8s\t%-4s\t%-4s\t%-11s\t%-25s\n", "姓名", "性别", "年龄", "电话", "地址");
		int i = 0;
		for (i = 0; i < con->count; i++)
		{
			printf("%-8s\t%-4s\t%-4d\t%-11s\t%-25s\n",  con->contacts[i].name,
														con->contacts[i].sex,
														con->contacts[i].age,
														con->contacts[i].tele,
														con->contacts[i].address);
		}
	}
	else
	{
		printf("通讯录为空\n");
	}
}



static int Search(Contact* con, char* str)
{
	assert(con);
	int i = 0;
		for (i = 0; i < con->count; i++)
		{
			if ((strcmp(str, con->contacts[i].name) == 0) || (strcmp(str, con->contacts[i].tele) == 0))
			{
				return i;
			}
		}
		return -1;
}



void DelContact(Contact* con)
{
	assert(con);
	if (con->count > 0)
	{
		int ret = 0;
		int i = 0;
		char tmp_str[NAME_max] = { 0 };
		printf("请输入姓名或电话:>");
		scanf("%s", tmp_str);
		ret = Search(con, tmp_str);
		if (ret == -1)
		{
			printf("没有这个人\n");
		}
		else 
		{
			for (i = ret; i < con->count - 1; i++)
			{
				con->contacts[i] = con->contacts[i + 1];
			}
			con->count--;
			printf("删除成功\n");
		}
	}
	else
	{
		printf("联系人为空\n");
	}
}


void SearchContact(Contact* con)
{
	assert(con);
	if (con->count > 0)
	{
		int ret = 0;
		char tmp_str[NAME_max] = { 0 };
		printf("请输入姓名或电话:>");
		scanf("%s", tmp_str);
		ret = Search(con, tmp_str);
		if (ret == -1)
		{
			printf("没有这个人\n");
		}
		else
		{
			printf("%-8s\t%-4s\t%-4s\t%-11s\t%-25s\n", "姓名", "性别", "年龄", "电话", "地址");

			printf("%-8s\t%-4s\t%-4d\t%-11s\t%-25s\n", con->contacts[ret].name,
				con->contacts[ret].sex,
				con->contacts[ret].age,
				con->contacts[ret].tele,
				con->contacts[ret].address);
		}
	}
	else
	{
		printf("联系人为空\n");
	}
}
	


void ModifyContact(Contact* con)
{
	assert(con);
	if (con->count > 0)
	{
		int ret = 0;
		char tmp_str[NAME_max] = { 0 };
		printf("请输入姓名或电话:>");
		scanf("%s", tmp_str);
		ret = Search(con, tmp_str);
		if (ret == -1)
		{
			printf("没有这个人\n");
		}
		else
		{
			char input = 0;
			do
			{
				printf("%-8s\t%-4s\t%-4s\t%-11s\t%-25s\n", "姓名", "性别", "年龄", "电话", "地址");

				printf("%-8s\t%-4s\t%-4d\t%-11s\t%-25s\n", con->contacts[ret].name,
					con->contacts[ret].sex,
					con->contacts[ret].age,
					con->contacts[ret].tele,
					con->contacts[ret].address);

				printf("           请选择要修改的信息:\n");
				printf("******************************************\n");
				printf("******   1.姓名           2.性别    ******\n");
				printf("******   3.年龄           4.电话    ******\n");
				printf("******   5.地址           6.全部    ******\n");
				printf("******            0.取消            ******\n");
				printf("******************************************\n");

				while ((input = getchar()) == '\n');
				switch (input)
				{
				case '1':
					printf("修改姓名为:> ");
					scanf("%s", con->contacts[ret].name);
					break;
				case '2':
					printf("修改性别为:> ");
					scanf("%s", con->contacts[ret].sex);
					break;
				case '3':
					printf("修改年龄为:> ");
					scanf("%d", &con->contacts[ret].age);
					break;
				case '4':
					printf("修改电话为:> ");
					scanf("%11s", con->contacts[ret].tele);
					break;
				case '5':
					printf("修改地址为:> ");
					scanf("%s", con->contacts[ret].address);
					break;
				case '6':
					printf("修改姓名为:> ");
					scanf("%s", con->contacts[ret].name);
					printf("修改性别为:> ");
					scanf("%s", con->contacts[ret].sex);
					printf("修改年龄为:> ");
					scanf("%d", &con->contacts[ret].age);
					printf("修改电话为:> ");
					scanf("%11s", con->contacts[ret].tele);
					printf("修改地址为:> ");
					scanf("%s", con->contacts[ret].address);
					break;
				case '0':
					printf("取消\n");
					break;
				default:
					printf("输入错误\n");
					break;
				}

				if (input >= '1' && input <= '6')
				{
					printf("%-8s\t%-4s\t%-4s\t%-11s\t%-25s\n", "姓名", "性别", "年龄", "电话", "地址");

					printf("%-8s\t%-4s\t%-4d\t%-11s\t%-25s\n", con->contacts[ret].name,
						con->contacts[ret].sex,
						con->contacts[ret].age,
						con->contacts[ret].tele,
						con->contacts[ret].address);
					printf("修改成功!\n");
				}
			} while (input < '0' || input>'6');
		}
	}
	else
	{
		printf("联系人为空\n");
	}
}


//根据姓名排序
static int cmp_by_name(const void* e1, const void* e2)
{
	return strcmp(((PeoInfor*)e1)->name, ((PeoInfor*)e2)->name);
}
//根据年龄排序
static int cmp_by_age(const void* e1, const void* e2)
{
	return ((PeoInfor*)e1)->age - ((PeoInfor*)e2)->age;
}
void SortContact(Contact* con)
{
	int input = 0;
	int (*cmp)(const void*, const void*);
	int (*ArrFun[])(const void*, const void*) = { cmp_by_name , cmp_by_age };
	do
	{
		printf("******************************************\n");
		printf("******        1.根据姓名排序        ******\n");
		printf("******        2.根据年龄排序        ******\n");
		printf("******        0.    取消            ******\n");
		printf("******************************************\n");
		if (scanf("%d", &input) == 1)
		{
			if (input == 1 || input == 2)
			{
				cmp = ArrFun[input - 1];
				qsort(con->contacts, con->count, sizeof(con->contacts[0]), cmp);
				printf("排序完成!\n");
			}
			else if (input == 0)
			{
				printf("取消排序\n");
			}
			else
			{
				printf("输入错误\n");
			}
		}
		else
		{
			printf("输入错误\n");
			while (getchar() != '\n');
			input = -1;
		}
	} while (input < 0 || input > 2);
}

contact.h（声明部分）

#pragma once
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <stddef.h>
#define MAX 100
#define NAME_max 20
#define TELE_max 12
#define SEX_max 10
#define ADDRESS_max 30

typedef struct PeopleInformation
{
	int age;
	char name[NAME_max];
	char tele[TELE_max];
	char sex[SEX_max];
	char address[ADDRESS_max];
}PeoInfor;


typedef struct Contact
{
	PeoInfor contacts[MAX];
	size_t count;
}Contact;


//打印菜单
void menu(void);

//初始化通讯录
void InitContact(Contact* con);

//添加联系人
void AddContact(Contact* con);

//查看联系人
void ShowContact(Contact* con);

//查找联系人
void SearchContact(Contact* con);

//删除联系人
void DelContact(Contact* con);

//修改联系人
void ModifyContact(Contact* con);

//通讯录排序
void SortContact(Contact* con);

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