程序代码：

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <windows.h>
#include <locale.h>
#pragma comment(lib,"winmm.lib")
int meNu();
int outPut();
int inSert();
int deMand();
int dEl();
int modiFication();
int soRt();

int num=3;
struct contacts{
    char name[100];
    char site[100];
    char number[100];
    char postcode[100];
    char email[100];
}list[3]={{"张三","北京","00000000000","000000","123@"},{"李四","黑龙江","00000000000","000000","456@"},{"张芮嘉","黑龙江","00000000000","000000","789@"}};
int main()
{
    PlaySound(TEXT("1.wav"), NULL, SND_FILENAME | SND_ASYNC|SND_LOOP);
    system("cls");
    system("color 2f");
    meNu();
    int a;
    fflush(stdin);
    scanf("%d",&a);
    system("cls");
    switch(a)
    {
        case 1:

            outPut();
            break;
        case 2:

            inSert();
            break;
        case 3:

            deMand();
            break;
        case 4:

            dEl();
            break;
        case 5:
            modiFication();
            break;
        case 6:
            soRt();
            break;
        default:
            printf("cw");
    }
    return 0;
}
int meNu()//菜单函数
{
    printf("\t*                     通讯录管理系统                   *\n");
    printf("\t********************************************************\n");
    printf("\t*                     ①输出全部信息                   *\n");
    printf("\t*                     ②添加个人信息                   *\n");
    printf("\t*                     ③查询个人信息                   *\n");
    printf("\t*                     ④删除个人信息                   *\n");
    printf("\t*                     ⑤修改个人信息                   *\n");
    printf("\t*                     ⑥信息排序                       *\n");
    printf("\t                      请选择:");
    return 0;
}
int outPut()
{
    int i,box;
    printf("-----------------------------------------------------------------\n");
    printf("|姓名\t|地址\t|电话号码\t|邮编\t|电子邮箱\t\t|\n");
    for(i=0;i<num;i++)
    {
        printf("-----------------------------------------------------------------\n");
        printf("|%s\t|%s\t|%s\t|%s\t|%s\t|\n",list[i].name,list[i].site,list[i].number,list[i].postcode,list[i].email);
    }
    printf("-----------------------------------------------------------------\n");
    box=MessageBoxA(NULL,"是否返回主页面","系统提示",MB_YESNO);
    if(box==IDYES)
        main();
    return 0;
}
int inSert()
{
    int j;
    do
    {
    printf("新建联系人列表：\n\n");
    printf("\t姓名：");
    fflush(stdin);
    scanf("%s",&list[num].name);
    printf("\t地址：");
    fflush(stdin);
    scanf("%s",&list[num].site);
    printf("\t电话号码：");
    fflush(stdin);
    scanf("%s",&list[num].number);
    if(strlen(list[num].number)!=11)
    {
        MessageBoxA(NULL,"电话号码格式错误","系统提示",MB_OK);
        main();
        break;
    }
    printf("\t邮编：");
    fflush(stdin);
    scanf("%s",&list[num].postcode);
    if(strlen(list[num].postcode)!=6)
    {
        MessageBoxA(NULL,"邮编格式错误","系统提示",MB_OK);
        main();
        break;
    }
    printf("\t电子邮箱：");
    fflush(stdin);
    scanf("%s",list[num].email);
    char *p=list[num].email;
    while(*p)
    {
        if(*p=='@')
        {
            break;
        }
        p++;
    }
    if(*p=='\0')
    {
        MessageBoxA(NULL,"电子邮箱格式错误","系统提示",MB_OK);
        main();
        break;
    }
    num++;
    printf("是否继续添加：");
    fflush(stdin);
    scanf("%d",&j);
    }while(j==1);
    outPut();
    return 0;
}
int deMand()
{
    printf("查询方式（1：姓名；2：手机号码）\n");
    printf("请选择：");
    int a;
    int box;
    int i;
    char j[100];
    char k[100];
    fflush(stdin);
    scanf("%d",&a);
    switch(a)
    {
       case 1:
            printf("请输入姓名：");
            fflush(stdin);
            scanf("%s",j);
            system("cls");
            printf("|姓名\t|地址\t|电话号码\t|邮编\t|电子邮箱\t\t|\n");
            printf("-----------------------------------------------------------------\n");
            for(i=0;i<num;i++)
            {
                if(strcmp(j,list[i].name)==0)
                {
                    printf("|%s\t|%s\t|%s\t|%s\t|%s\t|\n",list[i].name,list[i].site,list[i].number,list[i].postcode,list[i].email);
                    break;
                }
            }
            if(i==num)
            {
                printf("没有找到!\n");
            }
            printf("-----------------------------------------------------------------\n");
            box=MessageBoxA(NULL,"是否返回主页面","系统提示",MB_YESNO);
            if(box==IDYES)
                main();
            break;
       case 2:
            printf("请输入手机号码：");
            fflush(stdin);
            scanf("%s",k);
            system("cls");
            printf("|姓名\t|地址\t|电话号码\t|邮编\t|电子邮箱\t\t|\n");
            printf("-----------------------------------------------------------------\n");
            for(i=0;i<num;i++)
            {
                if(strcmp(k,list[i].number)==0)
                {
                    printf("|%s\t|%s\t|%s\t|%s\t|%s\t|\n",list[i].name,list[i].site,list[i].number,list[i].postcode,list[i].email);
                    break;
                }
            }
            if(i==num)
            {
                printf("没有找到!\n");
            }
            printf("-----------------------------------------------------------------\n");
            box=MessageBoxA(NULL,"是否返回主页面","系统提示",MB_YESNO);
            if(box==IDYES)
                main();
            break;
       default:
            box=MessageBoxA(0,"无效选择，选择“是”返回上一级，“否”退回主菜单","系统提示",MB_YESNO|MB_ICONQUESTION);
            if(box==IDYES)
                deMand();
            else
                main();
    }
    return 0;
}
int dEl()
{
    int a,b,i,y;
    char x[100];
    char z[100];
    printf("删除方式（1：姓名；2：手机号码）\n");
    printf("请选择：");
    fflush(stdin);
    scanf("%d",&a);
    switch(a)
    {
       case 1:
            printf("请输入姓名：");
            fflush(stdin);
            scanf("%s",&x);
            for(i=0;i<num;i++)
            {
                if(strcmp(x,list[i].name)==0)
                {
                    y=i;
                }
            }
            for(i=y;i<num;i++)
            {
                list[i]=list[i+1];
            }
            num--;
             if(i==num)
            {
                printf("没有找到!\n");
                MessageBoxA(NULL,"是否返回主页面","系统提示",MB_YESNO);
            }
            main();
            break;
       case 2:
            printf("请输入手机号码：");
            fflush(stdin);
            scanf("%s",&z);
            for(i=0;i<num;i++)
            {
                if(strcmp(z,list[i].number)==0)
                {
                    y=i;
                }
            }
            for(i=y;i<num;i++)
            {
                list[i]=list[i+1];
            }
            num--;
            main();
    }
    return 0;
}
int modiFication()
{
    int i,box;
    char a[100];
    printf("请输入修改人的姓名或手机号码：");
    fflush(stdin);
    scanf("%s",a);
    for(i=0;i<num;i++)
    {
        if((strcmp(a,list[i].name)==0)||(strcmp(a,list[i].number)==0))
        {
            printf("|%s\t|%s\t|%s\t|%s\t|%s\t|\n",list[i].name,list[i].site,list[i].number,list[i].postcode,list[i].email);
            break;
        }
        if((strcmp(a,list[i].name)!=0)||(strcmp(a,list[i].number)!=0))
        {
            printf("没有找到");
            box=MessageBoxA(NULL,"是否返回主页面","系统提示",MB_YESNO);
            if(box==IDYES)
                main();
        }
        break;
    }
    if((strcmp(a,list[i].name)==0)||(strcmp(a,list[i].number)==0)){
    printf("修改联系人：\n\n");
    printf("\t姓名：");
    fflush(stdin);
    scanf("%s",&list[i].name);
    printf("\t地址：");
    fflush(stdin);
    scanf("%s",&list[i].site);
    printf("\t电话号码：");
    fflush(stdin);
    scanf("%s",&list[i].number);
    if(strlen(list[i].number)!=11)
    {
        MessageBoxA(NULL,"电话号码格式错误","系统提示",MB_OK);
        main();
    }
    printf("\t邮编：");
    fflush(stdin);
    scanf("%s",&list[i].postcode);
    if(strlen(list[i].postcode)!=6)
    {
        MessageBoxA(NULL,"邮编格式错误","系统提示",MB_OK);
        main();
    }
    printf("\t电子邮箱：");
    fflush(stdin);
    scanf("%s",list[i].email);
    char *p=list[i].email;
    while(*p)
    {
        if(*p=='@')
        {
            break;
        }
        p++;
    }
    if(*p=='\0')
    {
        MessageBoxA(NULL,"电子邮箱格式错误","系统提示",MB_OK);
        main();
    }
    main();}
    return 0;
}

int soRt()
{
    int i;
    printf("\n当前通讯录目录：\n");
    meNu();
    printf("\n按姓氏排序：\n");
    char p=list[i].name;

    setlocale (LC_ALL, "");
    qsort (p,3,100,strcoll);
    printf("-----------------------------------------------------------------\n");
    printf("|姓名\t|地址\t|电话号码\t|邮编\t|电子邮箱\t\t|\n");
    for(i=0;i<num;i++)
    {
        printf("-----------------------------------------------------------------\n");
        printf("|%s\t|%s\t|%s\t|%s\t|%s\t|\n",list[i].name,list[i].site,list[i].number,list[i].postcode,list[i].email);
    }
    printf("-----------------------------------------------------------------\n");
    return 0;
}