python-flask和Vue两种模式初模板
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@ -1,11 +1,34 @@
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from app.extensions import db
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from datetime import datetime
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class MaterialBase(db.Model):
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__tablename__ = 'material_base'
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id = db.Column(db.Integer, primary_key=True)
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sku_code = db.Column(db.String(100), unique=True, nullable=False)
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name = db.Column(db.String(255), nullable=False)
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spec_model = db.Column(db.String(255))
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unit = db.Column(db.String(50))
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# 其他字段按需添加,入库时主要是为了外键关联
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# 核心字段
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sku_code = db.Column(db.String(100), unique=True, nullable=False) # 唯一编码
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name = db.Column(db.String(255), nullable=False) # 名称
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spec_model = db.Column(db.String(255)) # 规格型号
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unit = db.Column(db.String(50)) # 单位
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category = db.Column(db.String(100)) # 分类
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# 审计字段 (自动记录时间)
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created_at = db.Column(db.DateTime, default=datetime.utcnow)
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updated_at = db.Column(db.DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
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# 关联关系 (让 StockBuy 可以反向找到 Material)
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# 这里的 dynamic 允许在 material.stock_buys 时进行进一步过滤
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stock_buys = db.relationship('StockBuy', back_populates='material', lazy='dynamic')
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def to_dict(self):
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"""将对象转换为字典,方便接口返回"""
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return {
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'id': self.id,
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'sku_code': self.sku_code,
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'name': self.name,
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'spec_model': self.spec_model,
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'unit': self.unit,
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'category': self.category,
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'created_at': self.created_at.strftime('%Y-%m-%d %H:%M:%S') if self.created_at else None
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}
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