结构体、共用体嵌套使用实例(简易单位人事信息统计系统)

布满荆棘的人生 2023-01-04 14:44 6阅读 0赞

/* 结构体嵌套定义实验 */
    /* 单位人事信息统计系统模拟 */
    #include<stdio.h>
    struct date
    {
        int year;
        int month;
        int day;
    };
    struct person
    {
        char name[20];
        char sex;
        short age;
        char address[80];
        union
        {
            int single;
            struct
            {
                char spouse_Name[20];
                short child;
            }married;
            struct date divorced_Day;
        }marital;
        int marry_Flag;
    };
    void show(struct person *P)/* 展示个人信息 */
    {
        printf("姓名: %s\n", P->name);
        printf("性别: %c\n", P->sex);
        printf("年龄: %d\n", P->age);
        printf("家庭住址: %s\n", P->address);
        if(P->marry_Flag==0)/* 未婚 */
        {
            printf("婚姻状况: 未婚.\n");
        }
        else if(P->marry_Flag==1)/* 已婚 */
        {
            printf("婚姻状况: 已婚.\n");
            printf("配偶姓名: %s\n", P->marital.married.spouse_Name);
            printf("子女个数: %d\n", P->marital.married.child);
        }
        else if(P->marry_Flag==2)/* 离异 */
        {
            printf("婚姻状况: 离异.\n");
            printf("离婚日期: %d-%d-%d\n", P->marital.divorced_Day.year, P->marital.divorced_Day.month, P->marital.divorced_Day.day);
        }
    }
    void input(struct person* P)/* 录入信息 */
    {
        printf("请输入信息: \n");
        printf("姓名: ");
        gets(P->name);
        printf("性别: ");
        scanf("%c", &P->sex);
        printf("年龄: ");
        scanf("%d", &P->age);
        getchar();/* 接收回车符 */
        printf("家庭住址: ");
        gets(P->address);
        int choice;
        printf("请选择婚姻状况: 1.未婚, 2.已婚, 3.离异: ");
        scanf("%d", &choice);
        if(choice==1)/* 未婚 */
        {
            P->marital.single=1;
            P->marry_Flag=0;
        }
        else if(choice==2)/* 已婚 */
        {
            getchar();/* 接收回车符 */
            printf("请输入配偶姓名: ");
            gets(P->marital.married.spouse_Name);
            printf("请输入子女个数: ");
            scanf("%d", &P->marital.married.child);
            P->marry_Flag=1;
        }
        else if(choice==3)/* 离异 */
        {
            printf("请输入离异日期(如2015-07-19): ");
            scanf("%d-%d-%d", &P->marital.divorced_Day.year, &P->marital.divorced_Day.month, &P->marital.divorced_Day.day);
            P->marry_Flag=2;
        }
    }
    int main()
    {
        struct person P1;
        input(&P1);
        show(&P1);
        return 0;
    }

![20210110211046487.png][]

\[注\]程序在上述信息表格的基础上又加入了地址信息.

程序运行效果:

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjA0ODQ2Mw_size_16_color_FFFFFF_t_70][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjA0ODQ2Mw_size_16_color_FFFFFF_t_70 1][]![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjA0ODQ2Mw_size_16_color_FFFFFF_t_70 2][]

[20210110211046487.png]: /images/20221119/203701b0bc39492185074be24a9c9771.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjA0ODQ2Mw_size_16_color_FFFFFF_t_70]: /images/20221119/29110192c94e4f939c9a6e4f805814ad.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjA0ODQ2Mw_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/20210110211434695.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjA0ODQ2Mw==,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjA0ODQ2Mw_size_16_color_FFFFFF_t_70 2]: https://img-blog.csdnimg.cn/20210110211700858.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MjA0ODQ2Mw==,size_16,color_FFFFFF,t_70