【c语言】利用结构体实现简单通信录

结构体知识请看

https://blog.csdn.net/weixin_41892460/article/details/82631281

头文件Contact.h

#ifndef __CONTACT_H__
#define __CONTACT_H__


#include <stdio.h>
#include <stdlib.h>
#include<Windows.h>



enum Option
{
    EXIT,
    ADD,
    DEL,
    SEARCH,
    MODIFY,
    SHOW,
    SORT,
    EMPTY
};

#define MAX_NAME 20
#define MAX_SEX 5
#define MAX_ADDR 30
#define MAX 1000

typedef struct PeoInfo
{
    char name[MAX_NAME];
    short age;
    char sex[MAX_SEX];
    char addr[MAX_ADDR];
}PeoInfo,*pPeoInfo;

//静态
typedef struct Contact
{
    struct PeoInfo  data[MAX];
    unsigned   int sz;
}Contact,*pContact;


void SearchContact(pContact pc);
void EmptyContact(pContact pc);
void InitContact(pContact pc);
void AddContact(pContact pc);
void ShowContact(pContact pc);
void DelContact(pContact pc);



void ModifyContact(pContact pc);
void SortContact(pContact pc);


#endif

Contact.c

#define _CRT_SECURE_NO_WARNINGS 1


#include "Contact.h"


void InitContact(pContact pc)
{
    pc->sz = 0;
    memset(pc->data, 0, sizeof(pc->data));
}

void AddContact(pContact pc)
{
    if (pc->sz == MAX)
    {
        printf("通讯录已经满了\n");
        return;
    }

    printf("请输入名字:>");
    scanf("%s", (pc->data[pc->sz].name));
    printf("请输入性别:>");
    scanf("%s", (pc->data[pc->sz].sex));
    printf("请输入年龄:>");
    scanf("%d", &(pc->data[pc->sz].age));
    printf("请输入地址:>");
    scanf("%s", (pc->data[pc->sz].addr));
    pc->sz++;
    printf("添加成功\n");
}

void ShowContact(pContact pc)
{
    unsigned int i = 0;
    printf("%10s\t%5s\t%5s\t%10s\t\n", "name", "age", "sex", "addr");
    for(i = 0; i < pc->sz; i++)
    {
        printf("%10s\t%5d\t%5s\t%10s\t\n",
            pc->data[i].name,
            pc->data[i].age,
            pc->data[i].sex,
            pc->data[i].addr);
    }
}
static int Find(pContact pc, char name[])
{
    unsigned int i = 0;
    for (i = 0; i < pc->sz; i++)
    {
        if (strcmp(name, pc->data[i].name) == 0)
        {
            return i;
        }
    }
    return -1;
}
void DelContact(pContact pc)
{
    unsigned int i;
    int pos;
    char  name[MAX_NAME] = { 0 };
    if (pc->sz == 0)
    {
        printf("没有可删信息\n");
        return;
    }
    printf("请输入要删除的姓名");
    scanf("%s", name);
    pos = Find(pc, name);
    if (pos == -1)
    {
        printf("删除的用户不存在\n");
        return;
    }
    else
    {
        for (i = pos; i <pc-> sz-1; i++)
        {
            pc->data[i] = pc->data[i + 1];
        }
        pc->sz--;
        printf("删除成功\n");
    }
}
void EmptyContact(pContact pc)
{
    printf(" \n");
    memset(pc->data, 0, sizeof(pc->data));
    pc->sz = 0;
    printf("已经清空\n");
}



void SearchContact(pContact pc)
{
    unsigned int i;
    char  name[MAX_NAME] = { 0 };
    if (pc->sz == 0)
    {
        printf("没有搜索到信息\n");
        return;
    }
    printf("请输入要查找的姓名");
    scanf("%s", name);
    for (i = 0; i < pc->sz; i++)
    {
        if (strcmp(name, pc->data[i].name) == 0)
        {
            printf("查找成功\n");
            printf("%10s\t%5d\t%5s\t%10s\t\n",
                pc->data[i].name,
                pc->data[i].age,
                pc->data[i].sex,
                pc->data[i].addr);
        }
    }
}
void ModifyContact(pContact pc)
{
    int pos;
    char  name[MAX_NAME] = { 0 };
    if (pc->sz == 0)
    {
        printf("没有可修改信息\n");
        return;
    }
    printf("请输入要修改的姓名");
    scanf("%s", name);
    pos = Find(pc, name);
    if (pos == -1)
    {
        printf("修改的用户不存在\n");
        return;
    }
    else
    {
        printf("请输入名字:>");
        scanf("%s", (pc->data[pos].name));
        printf("请输入性别:>");
        scanf("%s", (pc->data[pos].sex));
        printf("请输入年龄:>");
        scanf("%d", &(pc->data[pos].age));
        printf("请输入地址:>");
        scanf("%s", (pc->data[pos].addr));
        printf("修改成功\n");
    }
}
void SortContact(pContact pc)
{
    unsigned int i = 0;
    unsigned int j = 0;
    if (pc->sz == 0)
    {
        printf("没有可排序信息\n");
        return;
    }
    for (i = 0; i < pc->sz - 1; i++)
    {
        for (j = 0; j < pc->sz - 1 - i; j++)
        {
            if (strcmp((pc->data[j].name), (pc->data[j+1].name))>0)//strcmp  str1>str2则为正数
            {
                PeoInfo t;
                t = pc->data[j];
                pc->data[j] = pc->data[j + 1];
                pc->data[j + 1] = t;
            }
        }
    }

}

test.c

#include "Contact.h"


#pragma  warning(disable:4996)

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  8.exit  ********\n");
}


int main()
{
    int input = 0;
    struct Contact my_son;
    InitContact(&my_son);
    do
    {
        menu();
        printf("请选择>");
        scanf_s("%d", &input);
        switch (input)
        {
        case ADD:
            AddContact(&my_son);
            break;
        case DEL:
            DelContact(&my_son);
            break;
        case SHOW:
            ShowContact(&my_son);
            break;
        case SEARCH:
            SearchContact(&my_son);
            break;
        case MODIFY:
            ModifyContact(&my_son);
            break;
        case SORT:
            SortContact(&my_son);
            break;
        case EMPTY:
            EmptyContact(&my_son);
            break;
        case EXIT:
            break;
        default :
            printf("选择错误.");
                break;
        }
    } while (input);
    system("pause");
    return 0;
}