url/app01/models.py

from django.db import models


class XX(models.Model):
    title = models.CharField(verbose_name="名称", max_length=32)
    image = models.FileField(verbose_name="头像", upload_to="avatar/")


class Admin(models.Model):
    """ 管理员 """
    username = models.CharField(verbose_name="用户名", max_length=32)
    password = models.CharField(verbose_name="密码", max_length=64)

    def __str__(self):
        return self.username


class Department(models.Model):
    """ 部门表 """
    title = models.CharField(verbose_name='标题', max_length=32)

    def __str__(self):
        return self.title


class UserInfo(models.Model):
    """ 员工表 """
    name = models.CharField(verbose_name="姓名", max_length=16)
    password = models.CharField(verbose_name="密码", max_length=64)
    age = models.IntegerField(verbose_name="年龄")
    account = models.DecimalField(verbose_name="账户余额", max_digits=10, decimal_places=2, default=0)
    # create_time = models.DateTimeField(verbose_name="入职时间")
    create_time = models.DateField(verbose_name="入职时间")

    # 无约束
    # depart_id = models.BigIntegerField(verbose_name="部门ID")
    # 1.有约束
    #   - to，与那张表关联
    #   - to_field，表中的那一列关联
    # 2.django自动
    #   - 写的depart
    #   - 生成数据列 depart_id
    # 3.部门表被删除
    # ### 3.1 级联删除

    # ### 3.2 置空
    # depart = models.ForeignKey(to="Department", to_field="id", null=True, blank=True, on_delete=models.SET_NULL)

    # 在django中做的约束
    gender_choices = (
        (1, "男"),
        (2, "女"),
    )
    gender = models.SmallIntegerField(verbose_name="性别", choices=gender_choices)

class Movie(models.Model):
    name = models.CharField(verbose_name="电影名称", max_length=16)
    depart = models.ForeignKey(verbose_name="电影类别", to="Department", to_field="id", on_delete=models.CASCADE)
    desc = models.CharField(verbose_name='影片描述', max_length=256,default = '')


class PrettyNum(models.Model):
    """ 靓号表 """
    mobile = models.CharField(verbose_name="手机号", max_length=11)
    # 想要允许为空 null=True, blank=True
    price = models.IntegerField(verbose_name="价格", default=0)

    level_choices = (
        (1, "1级"),
        (2, "2级"),
        (3, "3级"),
        (4, "4级"),
    )
    level = models.SmallIntegerField(verbose_name="级别", choices=level_choices, default=1)

    status_choices = (
        (1, "已占用"),
        (2, "未使用")
    )
    status = models.SmallIntegerField(verbose_name="状态", choices=status_choices, default=2)


class Task(models.Model):
    """ 任务 """
    level_choices = (
        (1, "紧急"),
        (2, "重要"),
        (3, "临时"),
    )
    level = models.SmallIntegerField(verbose_name="级别", choices=level_choices, default=1)
    title = models.CharField(verbose_name="标题", max_length=64)
    detail = models.TextField(verbose_name="详细信息")

    # user_id
    user = models.ForeignKey(verbose_name="负责人", to="Admin", on_delete=models.CASCADE)


class Order(models.Model):
    """ 订单 """
    oid = models.CharField(verbose_name="订单号", max_length=64)
    title = models.CharField(verbose_name="名称", max_length=32)
    price = models.IntegerField(verbose_name="价格")

    status_choices = (
        (1, "待支付"),
        (2, "已支付"),
    )
    status = models.SmallIntegerField(verbose_name="状态", choices=status_choices, default=1)
    # admin_id
    admin = models.ForeignKey(verbose_name="管理员", to="Admin", on_delete=models.CASCADE)


class Boss(models.Model):
    """ 老板 """
    name = models.CharField(verbose_name="姓名", max_length=32)
    age = models.IntegerField(verbose_name="年龄")
    img = models.CharField(verbose_name="头像", max_length=128)


class City(models.Model):
    """ 城市 """
    name = models.CharField(verbose_name="名称", max_length=32)
    count = models.IntegerField(verbose_name="人口")

    # 本质上数据库也是CharField，自动保存数据。
    img = models.FileField(verbose_name="Logo", max_length=128, upload_to='city/')