# 神奇的双下划线查询
    # 1 年龄大于35岁的数据
    # res = models.User.objects.filter(age__gt=35)
    # print(res)
    # 2 年龄小于35岁的数据
    # res = models.User.objects.filter(age__lt=35)
    # print(res)
    # 大于等于 小于等于
    # res = models.User.objects.filter(age__gte=32)
    # print(res)
    # res = models.User.objects.filter(age__lte=32)
    # print(res)

    # 年龄是18 或者 32 或者40
    # res = models.User.objects.filter(age__in=[18,32,40])
    # print(res)

    # 年龄在18到40岁之间的  首尾都要
    # res = models.User.objects.filter(age__range=[18,40])
    # print(res)

    # 查询出名字里面含有s的数据  模糊查询
    # res = models.User.objects.filter(name__contains='s')
    # print(res)
    #
    # 是否区分大小写  查询出名字里面含有p的数据  区分大小写
    # res = models.User.objects.filter(name__contains='p')
    # print(res)
    # 忽略大小写
    # res = models.User.objects.filter(name__icontains='p')
    # print(res)

    # res = models.User.objects.filter(name__startswith='j')
    # res1 = models.User.objects.filter(name__endswith='j')
    #
    # print(res,res1)


    # 查询出注册时间是 2020 1月
    # res = models.User.objects.filter(register_time__month='1')
    # res = models.User.objects.filter(register_time__year='2020')