serializers验证

def validate(self, data):                     #序列化加验证     序列化器官网https://q1mi.github.io/Django-REST-framework-documentation/api-guide/serializers_zh/#_6
    if float(data['commissionRatio']) <= 0.00:
        raise serializers.ValidationError('提成系数不能小于等于0')
    return data