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from django . db import models
from django . core . validators import MinValueValidator
# Create your models here.
class Medicine ( models . Model ) :
name = models . CharField ( max_length = 100 , verbose_name = ' 药品名称 ' )
description = models . TextField ( null = True , blank = True , verbose_name = ' 药品描述 ' )
# 为价格字段添加验证器，
price = models . DecimalField (
max_digits = 10 ,
decimal_places = 2 ,
verbose_name = ' 价格 ' ,
validators = [ MinValueValidator ( 0 ) ]
)
# 为库存数量字段添加验证器，
stock = models . IntegerField (
default = 0 ,
verbose_name = ' 库存数量 ' ,
validators = [ MinValueValidator ( 0 ) ]
)
def __str__ ( self ) :
return self . name
class Meta :
verbose_name = ' 药品 '
verbose_name_plural = verbose_name
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
