C语言——通讯录系统—基于 VS2022

#define _CRT_SECURE_NO_WARNINGS 1
//测试通讯录的基本功能

#include "contact.h"

void menu()
{
	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");
}

enum Option
{
	EXIT,//初始化默认值为0
	ADD,
	DEL,
	SEARCH,
	MODIFY,
	SHOW,
	SORT
};

int main()
{
	int input = 0;
	//创建通讯录
	Contact con;//通讯录
	//初始化通讯录
	InitContact(&con);

	do
	{
		menu();
		printf("请输入你的选择:>");
		scanf("%d", &input);
		switch (input)
		{
		case ADD:
			AddContact(&con);
			break;
		case DEL:
			DelContact(&con);
			break;
		case SEARCH:
			SearchContact(&con);
			break;
		case MODIFY:
			ModifyContact(&con);
			break;
		case SHOW:
			ShowContact(&con);
			break;
		case SORT:
			Sortontact(&con);
			break;
		case EXIT:
			DestroyContact(&con);
			printf("退出通讯录\n");
			break;
		default:
			printf("选择错误，重新选择\n");
			break;
		}
	} while (input);


	return 0;
}

#pragma once

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

#define NAME_MAX 20
#define SEX_MAX 5
#define TELE_MAX 12
#define ADDR_MAX 30

#define MAX 100

#define DEFAULT_SZ 3
#define DEFAULT_INC 2


//类型的声明
typedef struct PeoInfo
{
	char name[NAME_MAX];
	int age;
	char sex[SEX_MAX];
	char tele[TELE_MAX];
	char addr[ADDR_MAX];
}PeoInfo;


typedef struct Contact
{
	PeoInfo* data;
	int sz;
	int capacity;
}Contact;




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

//增加联系人
void AddContact(Contact* pc);

//显示所有的联系人
void ShowContact(const Contact* pc);

//删除指定联系人
void DelContact(Contact* pc);

//查找指定联系人
void SearchContact(Contact* pc);

//修改指定联系人
void ModifyContact(Contact* pc);

//销毁通讯录
void DestroyContact(Contact* pc);
//按名字排序通讯录联系人
void Sortontact(Contact* pc);

#define _CRT_SECURE_NO_WARNINGS 1
#include "contact.h"

void InitContact(Contact* pc)
{
	assert(pc);

	pc->sz = 0;
	pc->capacity = DEFAULT_SZ;
	pc->data = calloc(pc->capacity, sizeof(PeoInfo));
	if (pc->data == NULL)
	{
		perror("InitContact->calloc");
		return;
	}
}


void CheckCapacity(Contact* pc)
{
	if (pc->sz == pc->capacity)
	{
		PeoInfo* ptr = (PeoInfo*)realloc(pc->data, (pc->capacity + DEFAULT_INC) * sizeof(PeoInfo));
		if (ptr != NULL)
		{
			pc->data = ptr;
			pc->capacity += DEFAULT_INC;
			printf("增容成功\n");
		}
		else
		{
			perror("AddContact->realloc");
			return;
		}
	}
	
}

void DestroyContact(Contact* pc)
{
	free(pc->data);
	pc->data = NULL;
	pc->sz = 0;
	pc->capacity = 0;
}

void AddContact(Contact* pc)
{
	assert(pc);
	//增加容量
	CheckCapacity(pc);
	//增加信息
	printf("请输入名字:");
	scanf("%s", pc->data[pc->sz].name);
	printf("请输入年龄:");
	scanf("%d", &(pc->data[pc->sz].age));
	printf("请输入性别:");
	scanf("%s", pc->data[pc->sz].sex);
	printf("请输入电话:");
	scanf("%s", pc->data[pc->sz].tele);
	printf("请输入地址:");
	scanf("%s", pc->data[pc->sz].addr);

	
	pc->sz++;
	printf("增加成功\n");
}

void ShowContact(const Contact* pc)
{
	assert(pc);
	if (pc->sz == 0)
	{
		printf("通讯录为空，无需打印\n");
		return;
	}
	int i = 0;
	//名字  年龄  性别  电话    地址
	//xxx   xxx  xxx  xxx     xxx
	printf("%-20s%-5s%-5s%-12s%-30s\n", "名字", "年龄", "性别", "电话", "地址");
	for (i = 0; i < pc->sz; i++)
	{
		//打印每个人的信息
		printf("%-20s%-5d%-5s%-12s%-30s\n",
			pc->data[i].name, pc->data[i].age, pc->data[i].sex, pc->data[i].tele, pc->data[i].addr);
	}
}

static int FindByName(Contact* pc, char name[])
{
	assert(pc);
	int i = 0;
	for (i = 0; i < pc->sz; i++)
	{
		if (strcmp(pc->data[i].name, name) == 0)
		{
			return i;
		}
	}
	return -1;//找不到
}

void DelContact(Contact* pc)
{
	char name[NAME_MAX];
	assert(pc);
	if (pc->sz == 0)
	{
		printf("通讯录为空，无法删除\n");
		return;
	}
	printf("输入要删除人的名字:");
	scanf("%s", name);//zhangsan
	//找到名字为name的人
	int ret = FindByName(pc, name);
	if (ret == -1)
	{
		printf("要删除的人不存在\n");
		return;
	}
	//删除这个人
	int i = 0;

	for (i = ret; i < pc->sz - 1; i++)
	{
		pc->data[i] = pc->data[i + 1];
	}

	pc->sz--;
	printf("删除成功\n");
}

void SearchContact(Contact* pc)
{
	char name[NAME_MAX];
	assert(pc);
	printf("请输入要查找人的名字:");
	scanf("%s", name);
	int ret = FindByName(pc, name);
	if (ret == -1)
	{
		printf("要查找的人不存在\n");
		return;
	}
	//显示出来
	printf("%-20s%-5s%-5s%-12s%-30s\n", "名字", "年龄", "性别", "电话", "地址");
	printf("%-20s%-5d%-5s%-12s%-30s\n",
		pc->data[ret].name, pc->data[ret].age, pc->data[ret].sex, pc->data[ret].tele, pc->data[ret].addr);
}


void ModifyContact(Contact* pc)
{
	char name[NAME_MAX];
	assert(pc);
	printf("请输入要修改人的名字:");
	scanf("%s", name);
	int ret = FindByName(pc, name);
	if (ret == -1)
	{
		printf("要修改的人不存在\n");
		return;
	}
	//修改
	printf("请输入名字:");
	scanf("%s", pc->data[ret].name);
	printf("请输入年龄:");
	scanf("%d", &(pc->data[ret].age));
	printf("请输入性别:");
	scanf("%s", pc->data[ret].sex);
	printf("请输入电话:");
	scanf("%s", pc->data[ret].tele);
	printf("请输入地址:");
	scanf("%s", pc->data[ret].addr);

	printf("修改成功\n");
}


int compare(const void* a, const void* b)
{
	const PeoInfo* peoA = (const PeoInfo*)a;
	const PeoInfo* peoB = (const PeoInfo*)b;

	return strcmp(peoA->name, peoB->name);
}
void Sortontact(Contact* pc)
{
	qsort(pc->data, pc->sz, sizeof(PeoInfo), compare);
	int i = 0;
	printf("%-20s%-5s%-5s%-12s%-30s\n", "名字", "年龄", "性别", "电话", "地址");
	for (i = 0; i < pc->sz; i++)
	{
		//打印每个人的信息
		printf("%-20s%-5d%-5s%-12s%-30s\n",
			pc->data[i].name, pc->data[i].age, pc->data[i].sex, pc->data[i].tele, pc->data[i].addr);
	}
}