30 lines
858 B
Python
30 lines
858 B
Python
import re
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from datetime import datetime
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from decimal import Decimal, ROUND_HALF_UP
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from rest_framework.exceptions import ValidationError
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from django.utils import timezone
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def validate_mobile(value):
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if value and not re.findall(r"1\d{10}", value):
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raise ValidationError('手机格式不正确')
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def validate_amount(value):
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if value is None:
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raise ValidationError('金额不能为空')
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if value and value < 0:
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raise ValidationError('金额不能为负')
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def to_cent(value):
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if value is None:
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value = 0
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return Decimal(value).quantize(Decimal('.01'), rounding=ROUND_HALF_UP)
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# 定义一个小工具：从时间戳转换为 aware datetime（如果时间戳有效）
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def ts_to_aware(ts):
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if ts:
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naive_dt = datetime.fromtimestamp(ts)
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return timezone.make_aware(naive_dt)
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return None |