实现一个通讯录
通讯录可以用来存储联系人的信息,每个人的信息包括:
姓名、性别、年龄、电话、住址
提供方法:
1. 添加联系人信息
2. 删除指定联系人信息
3. 查找指定联系人信息
4. 修改指定联系人信息
5. 显示所有联系人信息
6. 清空所有联系人
7. 以名字排序所有联系人
头文件Contact.h
#pragma once
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
enum
{
EXIT,
ADD,
DEL,
SEARCH,
MODIFY,
SHOW,
EMPTY,
SORT
};
#define MAX_NAME 20
#define MAX_SEX 5
#define MAX 2
#define MAX_NUM 11
#define GRE 20
typedef struct PeoInfo
{
char name[MAX_NAME];
int age;
char sex[MAX_SEX];
char num[MAX_NUM];
char gre[GRE];
}PeoInfo;
typedef struct Contact
{
PeoInfo *data;
int count;//当前个数
int max;//最大容量
}Contact, *pContact;
void InitContact(pContact pc);//通讯录初始化
void AddContact(pContact pc);// 添加联系人信息
void DelContact(pContact pc);//删除指定联系人信息
int SearchContact(char name[], pContact pc);//查找指定联系人信息
void ModifyContact(pContact pc);// 修改指定联系人信息
void ShowContact(pContact pc);// 显示所有联系人信息
void EmptyContact(pContact pc);//清空所有联系人
void SortContact(pContact pc);//以名字排序所有联系人
void increase(pContact pc);//增容
各个函数的实现Contact.c
#define _CRT_SECURE_NO_WARNINGS 1
#include"Contact.h"
void InitContact(pContact pc)
{
pc->count = 0;
pc->max = MAX;
pc->data = (PeoInfo*)calloc(sizeof(PeoInfo), pc->max);//置0
}
void increase(pContact pc)
{
PeoInfo *p = (PeoInfo*)realloc(pc->data, sizeof(PeoInfo)*(pc->max + 2));
if (p != NULL)
{
pc->data = p;
p = NULL;
}
pc->max += 2;
printf("增容成功\n");
}
void AddContact(pContact pc)
{
int i = 0;
if (pc->count == pc->max)
{
printf("通讯录已满\n");
printf("是否增容\n");
printf("请选择:》\n");
printf("1 增容 2 不增容\n");
scanf("%d", &i);
if (i == 1)
{
increase(pc);
}
else
{
printf("空间已满\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].num);
printf("请输入住址:>");
scanf("%s", pc->data[pc->count].gre);
pc->count++;
}
void DelContact(pContact pc)
{
char name[MAX_NAME] = { 0 };
int i = 0;
int j = 0;
if (pc->count == 0)
{
printf("通讯录是空的\n");
return;
}
//删除
printf("输入要删除的人名字");
scanf("%s", name);
i = SearchContact(name, pc);
if (i == -1)
{
printf("没有找到这个人");
}
for (j = i; j < pc->count - 1; j++)
{
pc->data[j] = pc->data[j + 1];
}
pc->count--;
}
int SearchContact(char name[], pContact pc)
{
int i = 0;
for (i = 0; i < pc->count; i++)
{
if (strcmp((pc->data[i].name), name) == 0);
{
printf("%d\n", i);
return i;
}
}
return -1;
}
void ModifyContact(pContact pc)
{
int i = 0;
char name[MAX_NAME] = { 0 };
if (pc->count == 0)
{
printf("通讯录为空");
return;
}
printf("请输入要修改的人名字");
scanf("%s", name);
i = SearchContact(name, pc);
if (i == -1)
{
printf("没有找到这个人\n");
}
else
{
printf("输入名字:>");
scanf("%s", pc->data[i].name);
printf("输入年龄:>");
scanf("%d", &(pc->data[i].age));
printf("输入性别:>");
scanf("%s", pc->data[i].sex);
printf("输入手机号:>");
scanf("%s", pc->data[i].num);
printf("输入地址:>");
scanf("%s", pc->data[i].gre);
}
}
void ShowContact(pContact pc)
{
int i = 0;
if (pc->count == 0)
{
printf("通讯录为空\n");
return;
}
for (i = 0; i<pc->count; i++)
{
printf("%s %d %s %s %s\n", pc->data[i].name, pc->data[i].age, pc->data[i].sex, pc->data[i].num, pc->data[i].gre);
}
printf("-----------------------------\n");
}
void EmptyContact(pContact pc)
{
pc->count = 0;
memset(pc->data, 0, sizeof(pc->data));//置0
printf("已经清除成功\n");
}
void SortContact(pContact pc)
{
int i = 0;
int j = 0;
PeoInfo tmp;
if (pc->count == 0)
{
printf("通讯录为空\n");
return;
}
for (i = 0; i < pc->count - 1; i++)//对名字进行冒泡排序
{
for (j = 0; j < pc->count - i - 1; j++)
{
if ((strcmp((pc->data[j].name), pc->data[j + 1].name)) > 0)
{
tmp = pc->data[j];
pc->data[j] = pc->data[j + 1];
pc->data[j + 1] = tmp;
}
}
}
}
主函数main.c
#define _CRT_SECURE_NO_WARNINGS 1
#pragma once
#include<stdio.h>
#include"Contact.h"
void menu()
{
printf("**************************\n");
printf("******1.add 2.del*****\n");
printf("******3.sea 4.mod*****\n");
printf("******5.show 6.emp*****\n");
printf("******7.sort 0.exit*****\n");
printf("**************************\n");
}
int main()
{
int input = 0;
Contact my_con;
char name[MAX_NAME] = { 0 };
InitContact(&my_con);
do
{
menu();
printf("请选择你的操作:>");
scanf("%d", &input);
switch (input)
{
case ADD:
AddContact(&my_con);
break;
case DEL:
DelContact(&my_con);
break;
case SEARCH:
{
printf("输入要查找的名字\n");
scanf("%s", name);
SearchContact(name, &my_con);
break;
}
case MODIFY:
ModifyContact(&my_con);
break;
case SHOW:
ShowContact(&my_con);
break;
case EMPTY:
EmptyContact(&my_con);
break;
case SORT:
SortContact(&my_con);
}
} while (input);
system("pause");
return 0;
}