入库操作

app/models/__init__.py

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+from app.models.material import MaterialBase
+from app.models.stock import StockBuy

app/models/material.py

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+from app.extensions import db
+
+class MaterialBase(db.Model):
+    __tablename__ = 'material_base'
+
+    id = db.Column(db.Integer, primary_key=True)
+    sku_code = db.Column(db.String(100), unique=True, nullable=False)
+    name = db.Column(db.String(255), nullable=False)
+    spec_model = db.Column(db.String(255))
+    unit = db.Column(db.String(50))
+    # 其他字段按需添加，入库时主要是为了外键关联

app/models/stock.py

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+from app.extensions import db
+from datetime import datetime
+
+
+class StockBuy(db.Model):
+    __tablename__ = 'stock_buy'
+
+    id = db.Column(db.Integer, primary_key=True)
+    material_id = db.Column(db.Integer, db.ForeignKey('material_base.id'), nullable=False)
+    inbound_date = db.Column(db.DateTime, default=datetime.now)
+    barcode = db.Column(db.String(100))
+    batch_no = db.Column(db.String(100))
+
+    # 数量相关 (使用 Numeric 对应数据库的 NUMERIC)
+    qty_inbound = db.Column(db.Numeric(19, 4), default=0)
+    qty_current = db.Column(db.Numeric(19, 4), default=0)
+    qty_available = db.Column(db.Numeric(19, 4), default=0)
+
+    price_unit = db.Column(db.Numeric(19, 4), default=0)
+    price_total = db.Column(db.Numeric(19, 4), default=0)
+    supplier_name = db.Column(db.String(255))
+    warehouse_loc = db.Column(db.String(100))
+
+    # 建立关联，方便查询物料详情
+    material = db.relationship('MaterialBase', backref='buy_stocks')