品种增加每点价值字段，PNL计算支持不同品种差异化配置

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

ft-app/app/models.py

@@ -13,6 +13,7 @@ class Product(Base):
     code: Mapped[str] = mapped_column(String(10), unique=True, index=True)
     name: Mapped[str] = mapped_column(String(20))
     exchange: Mapped[str] = mapped_column(String(10), default="CZCE")
+    point_value: Mapped[int] = mapped_column(Integer, default=20)
 
     contracts: Mapped[list["Contract"]] = relationship(
         back_populates="product", cascade="all, delete-orphan"
@@ -137,12 +138,13 @@ class Trade(Base):
     close_price: Mapped[float | None] = mapped_column(Float, nullable=True)
     close_fee: Mapped[float | None] = mapped_column(Float, nullable=True, default=0)
     status: Mapped[str] = mapped_column(String(10), default="open")
+    point_value: Mapped[int] = mapped_column(Integer, default=20)
 
     @property
     def pnl(self) -> float | None:
         if self.close_price is None:
             return None
-        mul = 20  # glass futures point value
+        mul = self.point_value
         if self.direction == "long":
             result = (self.close_price - self.open_price) * mul - (self.open_fee or 0) - (self.close_fee or 0)
         else:
@@ -166,12 +168,13 @@ class OptionTrade(Base):
     close_price: Mapped[float | None] = mapped_column(Float, nullable=True)
     close_fee: Mapped[float | None] = mapped_column(Float, nullable=True, default=0)
     status: Mapped[str] = mapped_column(String(10), default="open")
+    point_value: Mapped[int] = mapped_column(Integer, default=20)
 
     @property
     def pnl(self) -> float | None:
         if self.close_price is None:
             return None
-        mul = 20  # glass futures point value
+        mul = self.point_value
         if self.direction == "sell":
             result = (self.open_price - self.close_price) * mul - (self.open_fee or 0) - (self.close_fee or 0)
         else:

ft-app/app/routers/admin.py

@@ -48,6 +48,7 @@ def admin_page(request: Request, db: Session = Depends(get_db)):
             "code": p.code,
             "name": p.name,
             "exchange": p.exchange,
+            "point_value": p.point_value,
             "contracts": contract_list,
         })
 
@@ -71,11 +72,12 @@ def create_product(
     code: str = Form(...),
     name: str = Form(...),
     exchange: str = Form(...),
+    point_value: int = Form(20),
     db: Session = Depends(get_db),
 ):
     existing = db.query(Product).filter(Product.code == code.upper()).first()
     if not existing:
-        p = Product(code=code.upper(), name=name, exchange=exchange)
+        p = Product(code=code.upper(), name=name, exchange=exchange, point_value=point_value)
         db.add(p)
         db.commit()
     return RedirectResponse("/admin/?tab=product", status_code=303)

ft-app/app/routers/option_trades.py

@@ -67,7 +67,12 @@ def open_trade(
 ):
     code = contract_code.upper()
     contract = db.query(Contract).filter(Contract.code == code).first()
-    product_code = contract.product.code if contract else code[:2]
+    if contract:
+        product = contract.product
+    else:
+        product = db.query(Product).filter(Product.code == code[:2]).first()
+    product_code = product.code if product else code[:2]
+    point_value = product.point_value if product else 20
 
     t = OptionTrade(
         product_code=product_code,
@@ -78,6 +83,7 @@ def open_trade(
         open_date=date.fromisoformat(open_date),
         open_price=open_price,
         open_fee=open_fee,
+        point_value=point_value,
         status="open",
     )
     db.add(t)
@@ -124,7 +130,12 @@ def edit_trade(
     if t:
         code = contract_code.upper()
         contract = db.query(Contract).filter(Contract.code == code).first()
-        t.product_code = contract.product.code if contract else code[:2]
+        if contract:
+            product = contract.product
+        else:
+            product = db.query(Product).filter(Product.code == code[:2]).first()
+        t.product_code = product.code if product else code[:2]
+        t.point_value = product.point_value if product else 20
         t.contract_code = code
         t.option_type = option_type
         t.direction = direction

ft-app/app/routers/trades.py

@@ -74,7 +74,12 @@ def open_trade(
 ):
     code = contract_code.upper()
     contract = db.query(Contract).filter(Contract.code == code).first()
-    product_code = contract.product.code if contract else code[:2]
+    if contract:
+        product = contract.product
+    else:
+        product = db.query(Product).filter(Product.code == code[:2]).first()
+    product_code = product.code if product else code[:2]
+    point_value = product.point_value if product else 20
 
     t = Trade(
         product_code=product_code,
@@ -83,6 +88,7 @@ def open_trade(
         open_date=date.fromisoformat(open_date),
         open_price=open_price,
         open_fee=open_fee,
+        point_value=point_value,
         status="open",
     )
     db.add(t)
@@ -127,7 +133,12 @@ def edit_trade(
     if t:
         code = contract_code.upper()
         contract = db.query(Contract).filter(Contract.code == code).first()
-        t.product_code = contract.product.code if contract else code[:2]
+        if contract:
+            product = contract.product
+        else:
+            product = db.query(Product).filter(Product.code == code[:2]).first()
+        t.product_code = product.code if product else code[:2]
+        t.point_value = product.point_value if product else 20
         t.contract_code = code
         t.direction = direction
         t.open_date = date.fromisoformat(open_date)

ft-app/app/seed.py

@@ -37,6 +37,22 @@ def _migrate(engine):
         cols = {row[1] for row in cur.fetchall()}
         if "max_locks" not in cols:
             cur.execute("ALTER TABLE rounds ADD COLUMN max_locks INTEGER DEFAULT 3")
+
+        cur.execute("PRAGMA table_info(products)")
+        cols = {row[1] for row in cur.fetchall()}
+        if "point_value" not in cols:
+            cur.execute("ALTER TABLE products ADD COLUMN point_value INTEGER DEFAULT 20")
+
+        cur.execute("PRAGMA table_info(trades)")
+        cols = {row[1] for row in cur.fetchall()}
+        if "point_value" not in cols:
+            cur.execute("ALTER TABLE trades ADD COLUMN point_value INTEGER DEFAULT 20")
+
+        cur.execute("PRAGMA table_info(option_trades)")
+        cols = {row[1] for row in cur.fetchall()}
+        if "point_value" not in cols:
+            cur.execute("ALTER TABLE option_trades ADD COLUMN point_value INTEGER DEFAULT 20")
+
         conn.commit()
     finally:
         conn.close()

ft-app/app/templates/admin.html

@@ -105,6 +105,10 @@
           {% endfor %}
         </select>
       </div>
+      <div class="form-group" style="margin-bottom:0;flex:0 0 auto;min-width:80px;">
+        <label>每点价值</label>
+        <input type="number" name="point_value" value="20" min="1" required style="font-size:0.9rem;">
+      </div>
       <button type="submit" class="btn btn-primary">新建</button>
     </form>
   </div>
@@ -112,12 +116,13 @@
   {% if products %}
   <div class="table-wrap">
   <table>
-    <tr><th>代码</th><th>名称</th><th>交易所</th><th>合约数</th><th>操作</th></tr>
+    <tr><th>代码</th><th>名称</th><th>交易所</th><th>每点</th><th>合约数</th><th>操作</th></tr>
     {% for p in products %}
     <tr>
       <td><strong>{{ p.code }}</strong></td>
       <td>{{ p.name }}</td>
       <td>{{ p.exchange }}</td>
+      <td>{{ p.point_value }}</td>
       <td>{{ p.contracts|length }}</td>
       <td>
         <form method="post" action="/admin/product/{{ p.id }}/delete" onsubmit="return confirm('删除品种 {{ p.code }} 及其所有合约？')" style="display:inline;">

ft-app/app/templates/options.html

@@ -198,7 +198,7 @@
         {% if p > 0 %}+{% endif %}{{ p }}
       </span>
       <span style="color:var(--sub);cursor:pointer;font-size:0.75rem;margin-left:4px;"
-            onclick="showPnlDrawer('{{ t.product_code }} {{ t.contract_code.replace(t.product_code, '', 1) }} {{ t.option_type }}', '{{ t.direction }}', {{ t.open_price }}, {{ t.close_price }}, {{ t.open_fee or 0 }}, {{ t.close_fee or 0 }}, {{ p }})" title="计算过程">&#9432;</span>
+            onclick="showPnlDrawer('{{ t.product_code }} {{ t.contract_code.replace(t.product_code, '', 1) }} {{ t.option_type }}', '{{ t.direction }}', {{ t.open_price }}, {{ t.close_price }}, {{ t.open_fee or 0 }}, {{ t.close_fee or 0 }}, {{ p }}, {{ t.point_value }})" title="计算过程">&#9432;</span>
       {% endif %}
     </td>
     <td>
@@ -333,16 +333,16 @@ function hideCloseForm() {
 </div>
 
 <script>
-function showPnlDrawer(title, direction, openPrice, closePrice, openFee, closeFee, result) {
+function showPnlDrawer(title, direction, openPrice, closePrice, openFee, closeFee, result, pointValue) {
   document.getElementById('pnlTitle').textContent = title;
   var dirLabel = direction === 'sell' ? '卖' : '买';
-  document.getElementById('pnlFormula').textContent = '方向: ' + dirLabel + '  |  每点 20 元';
+  document.getElementById('pnlFormula').textContent = '方向: ' + dirLabel + '  |  每点 ' + pointValue + ' 元';
   var diff = direction === 'sell' ? (openPrice - closePrice) : (closePrice - openPrice);
-  var gross = diff * 20;
+  var gross = diff * pointValue;
   var fees = openFee + closeFee;
   var html = '<tr style="background:var(--th-bg);"><td>项目</td><td>计算</td><td style="text-align:right;">金额</td></tr>';
   html += '<tr><td>价差</td><td>' + (direction === 'sell' ? openPrice + ' - ' + closePrice : closePrice + ' - ' + openPrice) + '</td><td style="text-align:right;">' + diff.toFixed(2) + ' 点</td></tr>';
-  html += '<tr><td>毛利</td><td>' + diff.toFixed(2) + ' × 20</td><td style="text-align:right;">' + gross.toFixed(2) + '</td></tr>';
+  html += '<tr><td>毛利</td><td>' + diff.toFixed(2) + ' × ' + pointValue + '</td><td style="text-align:right;">' + gross.toFixed(2) + '</td></tr>';
   html += '<tr><td>开仓手续费</td><td></td><td style="text-align:right;color:var(--danger-fg);">-' + openFee.toFixed(2) + '</td></tr>';
   html += '<tr><td>平仓手续费</td><td></td><td style="text-align:right;color:var(--danger-fg);">-' + closeFee.toFixed(2) + '</td></tr>';
   document.getElementById('pnlTable').innerHTML = html;

ft-app/app/templates/trades.html

@@ -222,7 +222,7 @@
         {% if p > 0 %}+{% endif %}{{ p }}
       </span>
       <span style="color:var(--sub);cursor:pointer;font-size:0.75rem;margin-left:4px;"
-            onclick="showPnlDrawer('{{ t.product_code }} {{ t.contract_code.replace(t.product_code, '', 1) }}', '{{ t.direction }}', {{ t.open_price }}, {{ t.close_price }}, {{ t.open_fee or 0 }}, {{ t.close_fee or 0 }}, {{ p }})" title="计算过程">&#9432;</span>
+            onclick="showPnlDrawer('{{ t.product_code }} {{ t.contract_code.replace(t.product_code, '', 1) }}', '{{ t.direction }}', {{ t.open_price }}, {{ t.close_price }}, {{ t.open_fee or 0 }}, {{ t.close_fee or 0 }}, {{ p }}, {{ t.point_value }})" title="计算过程">&#9432;</span>
       {% endif %}
     </td>
     <td>
@@ -349,16 +349,16 @@ function hideCloseForm() {
 </div>
 
 <script>
-function showPnlDrawer(title, direction, openPrice, closePrice, openFee, closeFee, result) {
+function showPnlDrawer(title, direction, openPrice, closePrice, openFee, closeFee, result, pointValue) {
   document.getElementById('pnlTitle').textContent = title;
   var dirLabel = direction === 'short' ? '空' : '多';
-  document.getElementById('pnlFormula').textContent = '方向: ' + dirLabel + '  |  每点 20 元';
+  document.getElementById('pnlFormula').textContent = '方向: ' + dirLabel + '  |  每点 ' + pointValue + ' 元';
   var diff = direction === 'short' ? (openPrice - closePrice) : (closePrice - openPrice);
-  var gross = diff * 20;
+  var gross = diff * pointValue;
   var fees = openFee + closeFee;
   var html = '<tr style="background:var(--th-bg);"><td>项目</td><td>计算</td><td style="text-align:right;">金额</td></tr>';
   html += '<tr><td>价差</td><td>' + (direction === 'short' ? openPrice + ' - ' + closePrice : closePrice + ' - ' + openPrice) + '</td><td style="text-align:right;">' + diff.toFixed(2) + ' 点</td></tr>';
-  html += '<tr><td>毛利</td><td>' + diff.toFixed(2) + ' × 20</td><td style="text-align:right;">' + gross.toFixed(2) + '</td></tr>';
+  html += '<tr><td>毛利</td><td>' + diff.toFixed(2) + ' × ' + pointValue + '</td><td style="text-align:right;">' + gross.toFixed(2) + '</td></tr>';
   html += '<tr><td>开仓手续费</td><td></td><td style="text-align:right;color:var(--danger-fg);">-' + openFee.toFixed(2) + '</td></tr>';
   html += '<tr><td>平仓手续费</td><td></td><td style="text-align:right;color:var(--danger-fg);">-' + closeFee.toFixed(2) + '</td></tr>';
   document.getElementById('pnlTable').innerHTML = html;