C语言 升级版简单的通讯录 （可将联系人信息存储到电脑中）

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#include<stdio.h>#include<stdlib.h>#include<string.h>#include<unistd.h>#define N 30typedef struct link {    char name[N];    char sex;    char num[N];    char remark[N];    struct link *next; }node, *z_node;z_node creat(){    z_node p = (z_node)malloc(sizeof(node)) ;    if (NULL == p)    {        printf("malloc failure!\n");        return NULL;    }    p->next = NULL;    return p;}void save_in(z_node L){    z_node p = L->next;    #if 0    if (p == NULL)    {        printf("没有数据，无法存储\n");        return;    }    #endif    FILE *name_fp, *sex_fp, *num_fp, *remark_fp;      if ((name_fp = fopen("name.txt","w+")) == NULL)    {        printf("open failed\n");        return;    }    if ((sex_fp = fopen("sex.txt","w+")) == NULL)    {        printf("open failed\n");        return;    }    if ((num_fp = fopen("num.txt","w+")) == NULL)    {        printf("open failed\n");        return;    }    if ((remark_fp = fopen("remark.txt","w+")) == NULL)    {        printf("open failed\n");        return;    }    while (p != NULL)    {        fputs(p->name,name_fp);        fputc('\n',name_fp);        fputc(p->sex,sex_fp);        fputs(p->num,num_fp);        fputc('\n',num_fp);        fputs(p->remark,remark_fp);        fputc('\n',remark_fp);        p = p->next;    }    fclose(name_fp);    fclose(sex_fp);    fclose(num_fp);    fclose(remark_fp);    return; }void init_in(z_node L){    FILE *name_fp, *sex_fp, *num_fp, *remark_fp;      if ((name_fp = fopen("name.txt","r+")) == NULL)    {        printf("open failed\n");        return;    }    if ((sex_fp = fopen("sex.txt","r+")) == NULL)    {        printf("open failed\n");        return;    }    if ((num_fp = fopen("num.txt","r+")) == NULL)    {        printf("open failed\n");        return;    }    if ((remark_fp = fopen("remark.txt","r+")) == NULL)    {        printf("open failed\n");        return;    }    int line = 0, i;    char buf[N];    z_node new;    while (fgets(buf,N,name_fp) != NULL)    {        if (buf[strlen(buf)-1] == '\n')         line++;    }    fseek(name_fp,0,SEEK_SET);     #if 1    for (i=0; i<line; i++)    {        new = creat();        fgets(buf,N,name_fp);        buf[strlen(buf)-1] = '\0';        strcpy(new->name,buf);        new->sex = fgetc(sex_fp);        fgets(buf,N,num_fp);        buf[strlen(buf)-1] = '\0';        strcpy(new->num,buf);        fgets(buf,N,remark_fp);        buf[strlen(buf)-1] = '\0';        strcpy(new->remark,buf);        new->next = L->next;        L->next = new;    }    fclose(name_fp);    fclose(sex_fp);    fclose(num_fp);    fclose(remark_fp);    #endif    return; }void init(z_node L)//初始化{    z_node new = creat();    z_node new1 = creat();    z_node new2 = creat();    z_node new3 = creat();    new->next = L->next;     L->next = new;    strcpy(new->name,"jie");    new->sex = 'm';    strcpy(new->num,"111111");    strcpy(new->remark,"yingliuzhizhu");    new1->next = L->next;     L->next = new1;    strcpy(new1->name,"feizi");    new1->sex = 'f';    strcpy(new1->num,"222222");    strcpy(new1->remark,"chaoxihailing");    new2->next = L->next;     L->next = new2;    strcpy(new2->name,"kate");    new2->sex = 'f';    strcpy(new2->num,"333333");    strcpy(new2->remark,"buxiangzhiren");    new3->next = L->next;     L->next = new3;    strcpy(new3->name,"tailong");    new3->sex = 'm';    strcpy(new3->num,"666666");    strcpy(new3->remark,"daofengzhiying");}void outputall(z_node L)//输出所有{    z_node p = L->next;    while ( p != NULL )    {        printf("------------------------\n");        printf("姓名：%s\n",p->name);        if ('m' == p->sex)         printf("性别：男\n");        else        printf("性别：女\n");        printf("电话：%s\n",p->num);        printf("备注：%s\n",p->remark);        p = p->next;        printf("------------------------\n");    }    return;}void cleanall(z_node L)//万念俱灰，删除所有{    z_node p = L->next, q;    if (NULL == p)    {        printf("你的通讯录已经是空的了。。\n");        return;    }    L->next = NULL;     q = p->next;    while (q != NULL)      {        free(p);        p = q;        q = q->next;    }    printf("全都删除完了\n");    return;}void insert(z_node L)//添加联系人{    z_node new = creat();    new->next = L->next;     L->next = new;    printf("请输入姓名：");    gets(new->name);    printf("请输入性别字母m(男)或者f(女)：");    do{        scanf("%c",&new->sex);        getchar();        if (new->sex!='m' && new->sex!='f' )        printf("你朋友还有从泰国回来的吗,m or f，重选一个\n");    }while ('m' != new->sex && 'f' != new->sex);    printf("请输入电话号码：");    gets(new->num);    printf("请输入备注：");    gets(new->remark);    return;}z_node location_byname(z_node L,char look_for[N])//通过名字定位{    z_node p = L;    while ( p->next != NULL )    {        if ( strcmp(look_for,p->next->name) == 0 )        return p;        p = p->next;     }    printf("没有叫这个名字的人啊大佬，重新输一个：\n");    return p;}z_node location_bynum(z_node L,char look_for[N])//通过号码定位{    z_node p = L;    while ( p->next != NULL )    {        if ( strcmp(look_for,p->next->num) == 0 )        return p;        p = p->next;     }    printf("哪有这个号码，0.0，重新输一个：\n");    return p;}void seek(z_node L)//按姓名或者号码查找联系人{    int s;     z_node p;    char look_for[N];    printf("请选择：\n");    printf("1.按姓名查找\n");    printf("2.按电话号码查找\n");    do{        scanf("%d",&s);        getchar();        if (s!=1 && s!=2 )        printf("没有这个选项啊老大，重新输一个\n");    }while (1 != s && 2 != s);    if (1 == s)    {        printf("他/她叫啥啊：\n");        do{            gets(look_for);            p = location_byname(L,look_for);        }while (NULL == p->next);                printf("------------------------\n");                printf("姓名：%s\n",p->next->name);        if ('m' == p->next->sex)                printf("性别：男\n");        else                printf("性别：女\n");                printf("电话：%s\n",p->next->num);                printf("备注：%s\n",p->next->remark);                printf("------------------------\n");    }    if (2 == s)    {        printf("他/她的电话号码多少：\n");        do{            gets(look_for);            p = location_bynum(L,look_for);        }while (NULL == p->next);        p = location_bynum(L,look_for);                printf("------------------------\n");                printf("姓名：%s\n",p->next->name);        if ('m' == p->next->sex)                printf("性别：男\n");        else                printf("性别：女\n");                printf("电话：%s\n",p->next->num);                printf("备注：%s\n",p->next->remark);                printf("------------------------\n");    }    return;}void delete(z_node L)//按姓名或者号码删除联系人{    int s;     z_node p, q;    char look_for[N];    printf("请选择：\n");    printf("1.按姓名删除\n");    printf("2.按电话号码删除\n");    do{        scanf("%d",&s);        getchar();        if (s!=1 && s!=2 )        printf("没有这个选项啊老大，重新输一个\n");    }while (1 != s && 2 != s);    if (1 == s)    {        printf("他/她叫啥啊：\n");        do{            gets(look_for);            p = location_byname(L,look_for);        }while (NULL == p->next);        q = p->next;        p->next = q->next;        free(q);        printf("删好了，厉害吧\n");    }    if (2 == s)    {        printf("他/她的电话号码多少：\n");        do{            gets(look_for);            p = location_bynum(L,look_for);        }while (NULL == p->next);        p = location_bynum(L,look_for);        q = p->next;        p->next = q->next;        free(q);        printf("删好了，厉害吧\n");    }    return;}void output_bysex(z_node L)//按性别输出所有联系人{    #if 1    int s;     z_node p;    //printf("请选择：1(男) or 2(女)\n");    printf("请选择：\n");    printf("1.输出所有喜欢你的男士\n");    printf("2.输出所有喜欢你的女士\n");    do{        scanf("%d",&s);        getchar();        if (s!=1 && s!=2 )        printf("没有这个选项啊老大,重新输一个\n");    }while (1 != s && 2 != s);    if (1 == s)    {        p = L->next;        while (p != NULL)            {            if (p->sex == 'm')            {                printf("------------------------\n");                printf("姓名：%s\n",p->name);                printf("性别：男\n");                printf("电话：%s\n",p->num);                printf("备注：%s\n",p->remark);                printf("------------------------\n");            }            p = p->next;        }    }    if (2 == s)    {        p = L->next;        while (p != NULL)            {            if (p->sex == 'f')            {                printf("------------------------\n");                printf("姓名：%s\n",p->name);                printf("性别：女\n");                printf("电话：%s\n",p->num);                printf("备注：%s\n",p->remark);                printf("------------------------\n");            }            p = p->next;        }    }    #endif    return;}void menu(z_node L)//菜单{    int i, j = 0;    while ( j<1 )    {        system("clear");        printf("********************************\n");        printf("欢迎使用，请输入以下编号：\n");        printf("1:输出通讯录全部信息\n");        printf("2:清空通讯录全部信息\n");        printf("3:插入新的联系人\n");        printf("4:查找联系人\n");        printf("5:删除联系人\n");        printf("6:按性别输出联系人\n");        printf("0:退出\n");        printf("********************************\n");        scanf("%d",&i);        getchar();        switch (i)        {            case 1:            outputall(L);            break;            case 2:            cleanall(L);            break;            case 3:            insert(L);            break;            case 4:            seek(L);            break;            case 5:             delete(L);            break;            case 6:             output_bysex(L);            break;            case 0:            j = 1;            break;            default:            printf("没有这个选项啊老大,重新输一个\n");        }        if (j != 1)        {            printf("按Enter键继续\n");            getchar();        }        else        printf("再见，拜拜-0-，欢迎下次再来\n");    }}void freeall(z_node L){    z_node p = L->next;    free(L);    z_node q;    while (p)    {        q = p->next;        free(p);        p = q;    }    return; }int main(int argc, char *argv[]){    z_node L = creat();    init_in(L);    //init(L);    menu(L);    save_in(L);    freeall(L);    return 0;}