python-flask和Vue两种模式初模板
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@ -6,20 +6,51 @@ class StockBuy(db.Model):
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__tablename__ = 'stock_buy'
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id = db.Column(db.Integer, primary_key=True)
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# 外键:必须关联一个 MaterialBase 的 ID
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material_id = db.Column(db.Integer, db.ForeignKey('material_base.id'), nullable=False)
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inbound_date = db.Column(db.DateTime, default=datetime.now)
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barcode = db.Column(db.String(100))
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batch_no = db.Column(db.String(100))
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# 数量相关 (使用 Numeric 对应数据库的 NUMERIC)
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qty_inbound = db.Column(db.Numeric(19, 4), default=0)
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qty_current = db.Column(db.Numeric(19, 4), default=0)
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qty_available = db.Column(db.Numeric(19, 4), default=0)
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# 业务数据
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inbound_date = db.Column(db.DateTime, default=datetime.utcnow) # 入库时间
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batch_no = db.Column(db.String(100)) # 批次号
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warehouse_loc = db.Column(db.String(100)) # 库位
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supplier_name = db.Column(db.String(255)) # 供应商
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price_unit = db.Column(db.Numeric(19, 4), default=0)
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price_total = db.Column(db.Numeric(19, 4), default=0)
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supplier_name = db.Column(db.String(255))
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warehouse_loc = db.Column(db.String(100))
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# 数量与状态
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qty_inbound = db.Column(db.Numeric(19, 4), default=0) # 初始入库量
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qty_current = db.Column(db.Numeric(19, 4), default=0) # 当前剩余量
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qty_available = db.Column(db.Numeric(19, 4), default=0) # 当前可用量
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status = db.Column(db.String(50), default='NORMAL')
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# 建立关联,方便查询物料详情
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material = db.relationship('MaterialBase', backref='buy_stocks')
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# 财务数据
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price_unit = db.Column(db.Numeric(19, 4), default=0) # 单价
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price_total = db.Column(db.Numeric(19, 4), default=0) # 总价
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# 建立与 MaterialBase 的双向关系
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material = db.relationship('MaterialBase', back_populates='stock_buys')
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def to_dict(self):
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"""
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序列化方法:
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这里做了一个扁平化处理,把关联的 material 里的 name/sku 直接拿出来,
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方便前端表格直接显示,不用前端再去拼凑。
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"""
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return {
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'id': self.id,
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'material_id': self.material_id,
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# 从关联对象获取基础信息
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'sku_code': self.material.sku_code if self.material else None,
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'material_name': self.material.name if self.material else None,
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'spec_model': self.material.spec_model if self.material else None,
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'unit': self.material.unit if self.material else None,
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'category': self.material.category if self.material else None,
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# 本表信息
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'inbound_date': self.inbound_date.strftime('%Y-%m-%d %H:%M:%S') if self.inbound_date else None,
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'batch_no': self.batch_no,
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'warehouse_loc': self.warehouse_loc,
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'supplier_name': self.supplier_name,
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'qty_inbound': float(self.qty_inbound) if self.qty_inbound else 0,
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'price_unit': float(self.price_unit) if self.price_unit else 0,
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'price_total': float(self.price_total) if self.price_total else 0,
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}
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