通訊錄.動態

實現一個通訊錄；
通訊錄可以用來存儲1000個人的信息，每個人的信息包括：
姓名、性別、年齡、電話、住址

提供方法：
1. 添加聯繫人信息
2. 刪除指定聯繫人信息
3. 查找指定聯繫人信息
4. 修改指定聯繫人信息
5. 顯示所有聯繫人信息
6. 清空所有聯繫人
7. 以名字排序所有聯繫人

Contact.h

#ifndef __CONTACT_H__//防止頭文件的重複引用
#define __CONTACT_H__
#include <string.h>
#define MAX 1000
#define NAME_MAX 20
#define SEX_MAX 25
#define ADDR_MAX 30
#define TELE_MAX 12
#define DEFAULT_SZ 3
#define DEFAULT_INC 2   //默認增長
#include<stdio.h>
#include<assert.h>
#include<string.h>
#include<stdlib.h>
typedef struct PeoInfo
{
    char name[NAME_MAX];
    int age;
    char sex[SEX_MAX];
    char addr[ADDR_MAX];
    char tele[TELE_MAX];
}PeoInfo;

typedef struct Contact
{
    PeoInfo *data;
    int sz;              //將*之前的結構體重命名爲pContact
    int capacity;    //容量
}Contact, *pContact;      //Contact;
void InitContact(pContact pcon);//Contact* pcon
void AddContact(pContact pcon);
void DelContact(pContact pcon);
void SearchContact(pContact pcon);
void ModifyContact(pContact pcon);
void ShowContact(const pContact pcon);
void SortContact(pContact pcon);
void ClearContact(pContact pcon);
void CheckCapacity(pContact pcon);
void DestroyCapacity(pContact pcon);
static int FindEntry(pContact pcon, char name[]);
#endif 

contact.c

#define _CRT_SECURE_NO_WARNINGS 1
#include "Contact.h"
void InitContact(pContact pcon)
{
    pcon->sz = 0;
    pcon->data = malloc(DEFAULT_SZ*sizeof(PeoInfo));//開闢空間
    if (pcon->data == NULL)
    {
        perror("malloc");//報錯
        exit(EXIT_FAILURE);
    }
    memset(pcon->data, 0, DEFAULT_SZ*sizeof(PeoInfo));//初始化
    pcon->capacity = DEFAULT_SZ;
}
void CheckCapacity(pContact pcon)
{
    if (pcon->sz == pcon->capacity)
    {
        PeoInfo*ptr = realloc(pcon->data, (pcon->capacity + DEFAULT_INC)*sizeof(PeoInfo));
        if (ptr == NULL)
        {
            perror("realloc");
            exit(EXIT_FAILURE);
        }
        else
        {
            pcon->data = ptr;
        }
        printf("增容成功\n");
        pcon->capacity += DEFAULT_INC;
    }
}
void AddContact(pContact pcon)
{
    assert(pcon);
    CheckCapacity(pcon);
    printf("請輸入名字：>");
    scanf("%s", pcon->data[pcon->sz].name);
    printf("請輸入年齡：>");
    scanf("%d", &(pcon->data[pcon->sz].age));
    printf("請輸入性別：>");
    scanf("%s", pcon->data[pcon->sz].sex);
    printf("請輸入地址：>");
    scanf("%s", pcon->data[pcon->sz].addr);
    printf("請輸入電話：>");
    scanf("%s", pcon->data[pcon->sz].tele);

    printf("添加成功\n");
    pcon->sz++;
}
void DelContact(pContact pcon)
{
    char name[NAME_MAX];
    printf("請輸入你要刪除的人的姓名:>");
    scanf("%s", name);
    int p = 0;//利用p接收FindEntry返回的地址
    p = FindEntry(pcon, name);

    if (p != -1)
    {
        int j = 0;
        for (j = p; j < pcon->sz; j++)
        {
            pcon->data[j] = pcon->data[j + 1];//利用後面一個覆蓋前一個，從而達到刪除的效果
        }
        pcon->sz--;
        printf("刪除成功\n");
    }
    else
    {
        printf("沒有此人\n");
        return;
    }
}
static int FindEntry(pContact pcon, char name[])//查找函數入口
{       // static 只能在當前源文件查看，
        //把外部鏈接屬性改爲內部鏈接屬性
    int i = 0;
    for (i = 0; i < pcon->sz; i++)
    {
        if (strcmp(pcon->data[i].name, name) == 0)//字符串比較
        {
            return i;//找到了，返回下標
        }
    }
    return -1;//沒找到返回-1
}
void SearchContact(pContact pcon)
{
    char name[NAME_MAX];
    printf("請輸入你要查找的姓名:>");
    scanf("%s", name);//pcon->data[pcon->sz].name
    int p = FindEntry(pcon, name);
    if (p == -1)
    {
        printf("沒有此人\n");
        return;
    }
    else
    {
        printf("%10s\t%4s\t%5s\t%20s\t%15s\t\n",
            "name", "age", "sex", "addr", "tele" );
        printf("%10s\t%4d\t%5s\t%20s\t%15s\t\n",
            pcon->data[p].name,   //p爲查找返回的下標
            pcon->data[p].age,
            pcon->data[p].sex,
            pcon->data[p].addr,
            pcon->data[p].tele);
    }
}
void ModifyContact(pContact pcon)
{
    char name[NAME_MAX];
    printf("請輸入要修改的人的姓名:>");
    scanf("%s", name);
    int p = 0;//利用pos接收FindEntry返回的地址
    p = FindEntry(pcon, name);
    if (p != -1)
    {
        printf("請輸入修改後的姓名： ");
        scanf("%s", pcon->data[pcon->sz].name);
        printf("請輸入修改後的性別： ");
        scanf("%s", pcon->data[pcon->sz].sex);
        printf("請輸入修改後的年齡： ");
        scanf("%d", &pcon->data[pcon->sz].age);
        printf("請輸入修改後的電話： ");
        scanf("%s", pcon->data[pcon->sz].tele);
        printf("請輸入修改後的地址： ");
        scanf("%s", pcon->data[pcon->sz].addr);
        printf("修改完畢\n");
    }
    else
    {
        printf("沒有此人\n");
    }
}
void ShowContact(const pContact pcon)
{
    int i = 0;
    printf("%10s\t%4s\t%5s\t%20s\t%15s\t\n",
        "name", "age", "sex", "addr", "tele");
    for (i = 0; i < pcon->sz; i++)
    {
        printf("%10s\t%4d\t%5s\t%20s\t%15s\t\n",
            pcon->data[i].name,
            pcon->data[i].age,
            pcon->data[i].sex,
            pcon->data[i].addr,
            pcon->data[i].tele);
    }
}
void SortContact(pContact pcon)
{
    int i = 0;
    for (i = 0; i < pcon->sz; i++)
    {
        if (strcmp(pcon->data[i].name, pcon->data[i + 1].name) > 0)
        {
            struct PeoInfo tem;
            tem = pcon->data[i];
            pcon->data[i] = pcon->data[i + 1];
            pcon->data[i + 1] = tem;
        }
    }
    printf("排序完成\n");
}
void ClearContact(pContact pcon)
{
    pcon->sz = 0;
}
void DestroyCapacity(pContact pcon)
{
    free(pcon->data);
    pcon->data = NULL;
    pcon->capacity = 0;
    pcon->sz = 0;
}

test.c

#define _CRT_SECURE_NO_WARNINGS 1
#include "contact.h"
#include<stdio.h>
enum    //枚舉
{
    EXIT,
    ADD,
    DEL,
    SEARCH,
    MODIFY,
    SHOW,
    SORT,
    CLEAR,
};
menu()
{
    printf("******************************\n");
    printf("****  1.add      2.del    ****\n");
    printf("****  3.search   4.modify ****\n");
    printf("****  5.show     6.sort   ****\n");//排序
    printf("****  7.clear    0.exit   ****\n");
    printf("******************************\n");
}
void test()
{
    int input = 0;
    Contact my_con;
    InitContact(&my_con);//初始化
    do
    {
        menu();
        printf("請輸入您的選項:>");
        scanf("%d", &input);
        switch (input)
        {
        case ADD:
            AddContact(&my_con);
            break;
        case DEL:
            DelContact(&my_con);
            break;
        case SEARCH:
            SearchContact(&my_con);
            break;
        case MODIFY:
            ModifyContact(&my_con);
            break;
        case SHOW:
            ShowContact(&my_con);
            break;
        case SORT:
            SortContact(&my_con);
            break;
        case CLEAR:
            ClearContact(&my_con);
            break;
        case EXIT:
            DestroyCapacity(&my_con);
            break;
        default:
            printf("輸入錯誤，請重新輸入\n");
            break;
        }
    } while (input);
}
int main()
{
    test();
    return 0;
}