通讯录可以增加容量，可以用来存储个人信息，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 Contract.h
#ifndef __CONTACT_H__
#define __CONTACT_H__
#include<stdio.h>
enum OPTION
{
EXIT,
ADD,
DEL,
SEARCH,
MODIFY,
SHOW,
SORT,
CLEAR
};
#define MAX_NAME 20
#define MAX_SEX 5
#define MAX 1000
#define MAX_TEL 15
#define MAX_ADD 30
#define DEFAULT_SZ 3
typedef struct PeoInfo
{
char name[MAX_NAME];
int age;
char sex[MAX_SEX];
int tel;
char add[MAX_ADD];
}PeoInfo;
typedef struct Contact
{
PeoInfo* data;
int count;//当前的个数
int capacity;//最大容量
}Contact, *pContact;
int AddContact(pContact pc);
void InitContact(pContact pc );
void ShowContact(pContact pc);
int DelContact(pContact pc);
int SearchContact(pContact pc);
int ModifyContact(pContact pc);
int ClearContact(pContact pc);
void SortContact(pContact pc);
void DestroyContact(pContact pc);
#endif
源文件 Contact.c
#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include"Contact.h"
#include<string.h>
#include<stdlib.h>
void InitContact(pContact pc)
{
pc->count = 0;
pc->capacity = DEFAULT_SZ;
pc->data = (PeoInfo*)calloc(sizeof(PeoInfo), pc->capacity);
memset(pc->data, 0, sizeof(pc->data));
}
void check_capacity(pContact pc)
{
if (pc->count == pc->capacity)
{
PeoInfo* p = (PeoInfo *)realloc(pc->data, (pc->capacity + 2)*sizeof(PeoInfo));
if (p != NULL)
{
pc->data = p;
p = NULL;
}
pc->capacity += 2;
printf("增容成功\n");
}
}
int AddContact(pContact pc)
{
check_capacity(pc);
if (pc->count == MAX)
{
printf("请注意，通讯录已满\n");
return -1;
}
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("%d", &(pc->data[pc->count].tel));
printf("请输入地址：");
scanf("%s", pc->data[pc->count].add);
pc->count++;
return 1;
}//添加信息
int DelContact(pContact pc)
{
int i = 0;
int ret = 0;
if (pc->count == 0)
{
printf("通讯录为空\n");
return -1;
}
ret = SearchContact(pc);
if (ret != -1)
{
for (i = ret; i < pc->count; i++)
{
pc->count = pc->count + 1;
}
pc->count--;
return 1;
}
return 1;
}//删除信息
int SearchContact(pContact pc)
{
int i = 0;
char name[MAX_NAME];
if (pc->count == 0)
{
printf("通讯录为空\n");
return -1;
}
printf("请输入要查询的姓名：\n");
scanf("%s",name);
for (i = 0; i < pc->count; i++)
{
if (strcmp(pc->data[pc->count].name, name) == 0)
{
printf("%s ", pc->data[i].name);
printf("%d ", pc->data[i].age);
printf("%s ", pc->data[i].sex);
printf("%d ", pc->data[i].tel);
printf("%s ", pc->data[i].add);
return i;
}
else
{
printf("找不到\n");
return -1;
}
}
return 1;
}//查询信息
int ModifyContact(pContact pc)
{
int i = 0;
int ret = 0;
if (pc->count == 0)
{
printf("通讯录为空\n");
return 0;
}
ret = SearchContact(pc);
if (ret != -1)
{
printf("请重新输入姓名：");
scanf("%s", pc->data[pc->count].name);
printf("请重新输入年龄：");
scanf("%d", pc->data[pc->count].age);
printf("请重新输入性别：");
scanf("%s", pc->data[pc->count].sex);
printf("请重新输入电话：");
scanf("%d", &(pc->data[pc->count].tel));
printf("请重新输入地址：");
scanf("%s", pc->data[pc->count].add);
return 1;
}
else
return -1;
}//修改信息
int ClearContact(pContact pc)
{
pc->count = 0;
return 1;
}//清空通讯录
void SortContact(pContact pc)
{
char*a = pc->data[pc->count].name;
char*b = pc->data[pc->count].name+1;
char*c = 0;
int i = 0;
int j = 0;
for (i = 0; i < pc->count; i++)
{
for (j = 0; j < pc->count; j++)
{
if (strcmp(a,b)>0)
{
*c = *a;
*a = *b;
*b = *c;
}
}
}
}//按照姓名排序
void ShowContact(pContact pc)
{
int i = 0;
if (pc->count == 0)
{
printf("通讯录为空\n");
return;
}
printf("name age sex tel add\n");
for (i = 0; i < pc->count; i++)
{
printf("%s ", pc->data[i].name);
printf("%d ", pc->data[i].age);
printf("%s ", pc->data[i].sex);
printf("%d ", pc->data[i].tel);
printf("%s ", pc->data[i].add);
}
printf("\n");
}
void DestroyContact(pContact pc)
{
free(pc->data);
pc->data = NULL;
pc->count = 0;
pc->capacity = 0;
printf("销毁成功\n");
}
主函数
#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include"Contact.h"
#include<string.h>
void menu()
{
printf("**************************\n");
printf("****1.add 2.del ****\n");
printf("****3.search 4.modify****\n");
printf("****5.show 6.sort ****\n");
printf("****7.empty 0.exit ****\n");
printf("**************************\n");
printf("**************************\n");
}
int main()
{
int input = 0;
Contact my_con;
InitContact(&my_con);
do
{
menu();
printf("请选择：");
scanf("%d", &input);
switch (input)
{
case ADD:
AddContact(&my_con);
printf("添加联系人信息成功");
break;
case DEL:
DelContact(&my_con);
printf("删除联系人信息成功");
break;
case SEARCH:
SearchContact(&my_con);
printf("查询联系人信息成功\n");
break;
case MODIFY:
ModifyContact(&my_con);
printf("修改联系人信息成功\n");
break;
case SHOW:
ShowContact(&my_con);
printf("显示联系人成功\n");
break;
case SORT:
SortContact(&my_con);
printf("通讯录已按姓名排序\n");
break;
case CLEAR:
ClearContact(&my_con);
printf("通讯录已清空\n");
break;
case EXIT:
DestroyContact(&my_con);
printf("退出成功\n");
default:
printf("输入错误，请重新输入：");
break;
}
} while (input);
return 0;
}