feat: 生产订单新增导出 Excel 与打印功能

- 订单列表页「导出 Excel」(/orders/export): 导出全部生产订单(订单号/BOM/接单量/工厂/状态/经手人/下单时间/备注)

- 订单详情页「导出 Excel」(/order/<id>/export): 导出派工单, 含「订单信息」+「领料明细」双 sheet

- 订单详情页「打印」按钮: window.print() + @media print 样式(隐藏导航/按钮, 输入框转纯文本, 隐藏提示), 输出干净派工单

app.py

@@ -1468,6 +1468,23 @@ def orders():
     return render_template("orders.html", data=data)
 
 
+@app.route("/orders/export")
+@login_required
+@role_required("admin", "manager")
+def orders_export():
+    """导出全部生产订单为 Excel。"""
+    os_ = db.session.scalars(db.select(ProdOrder).order_by(ProdOrder.order_no.desc())).all()
+    data = []
+    for o in os_:
+        bom = db.session.get(Bom, o.bom_id)
+        fac = db.session.get(Factory, o.factory_id) if o.factory_id else None
+        data.append({"o": o, "bom": bom, "factory": fac})
+    from excel_io import export_orders
+    path = os.path.join(EXE_DIR, f"生产订单_{date.today().isoformat()}.xlsx")
+    export_orders(path, data)
+    return send_file(path, as_attachment=True, download_name=os.path.basename(path))
+
+
 @app.route("/order/new", methods=["GET", "POST"])
 @login_required
 @role_required("admin", "manager")
@@ -1540,6 +1557,44 @@ def order_detail(oid):
                            posted_count=posted_count)
 
 
+@app.route("/order/<int:oid>/export")
+@login_required
+@role_required("admin", "manager")
+def order_export(oid):
+    """导出单个生产订单详情(派工单)为 Excel。"""
+    o = db.session.get(ProdOrder, oid)
+    if not o:
+        return redirect(url_for("orders"))
+    bom = db.session.get(Bom, o.bom_id)
+    items = db.session.scalars(db.select(BomItem).where(BomItem.bom_id == o.bom_id)).all()
+    sm = stock_map_as_of(o.factory_id, o.created_at)
+    fac = db.session.get(Factory, o.factory_id) if o.factory_id else None
+    allocs = db.session.scalars(
+        db.select(ProdOrderAlloc).where(ProdOrderAlloc.order_id == oid)).all()
+    alloc_map = {a.material_id: a for a in allocs}
+    reqs = []
+    for it in items:
+        m = db.session.get(Material, it.material_id)
+        need = it.qty_per_unit * o.qty
+        have = sm.get(m.id, 0)
+        a = alloc_map.get(m.id)
+        subs = [{"pn": s["sub"].part_number, "mf": s["sub"].manufacturer or "-",
+                 "stock": round(s["stock"], 3), "available": s["available"]}
+                for s in substitute_rows(m.id, o.factory_id, None)]
+        reqs.append({"m": m, "need": need, "have": have,
+                     "gap": have - need, "short": need > have, "subs": subs,
+                     "alloc": a.alloc_qty if a else 0,
+                     "posted": a.posted if a else False})
+    reqs.sort(key=lambda x: x["gap"])
+    posted_total = sum(a.alloc_qty for a in allocs if a.posted)
+    planned_total = sum(a.alloc_qty for a in allocs)
+    posted_count = sum(1 for a in allocs if a.posted)
+    from excel_io import export_order_detail
+    path = os.path.join(EXE_DIR, f"生产订单_{o.order_no}.xlsx")
+    export_order_detail(path, o, bom, reqs, fac, posted_total, planned_total, posted_count)
+    return send_file(path, as_attachment=True, download_name=os.path.basename(path))
+
+
 @app.route("/order/<int:oid>/pick", methods=["POST"])
 @login_required
 @role_required("admin", "manager")

excel_io.py

@@ -327,6 +327,99 @@ def export_ledger(target, rows):
     wb.save(target)
 
 
+def export_orders(target, data):
+    """导出生产订单列表。
+
+    data: [{o, bom, factory}] (与 orders() 返回一致)。
+    """
+    wb = Workbook()
+    ws = wb.active
+    ws.title = "生产订单"
+    head = ["订单号", "BOM型号", "BOM名称", "接单量", "生产工厂", "状态",
+            "经手人", "下单时间", "备注"]
+    ws.append(head)
+    for c in ws[1]:
+        c.font = Font(bold=True)
+        c.fill = PatternFill("solid", fgColor="DDEBF7")
+    for d in data:
+        o = d["o"]
+        bom = d["bom"]
+        fac = d["factory"]
+        status = "已领料" if o.status == "picked" else "待领料"
+        ws.append([
+            o.order_no,
+            bom.code if bom else "",
+            bom.name if bom else "",
+            o.qty,
+            (f"{fac.code}·{fac.name}" if fac else "未指定"),
+            status,
+            o.operator or "",
+            o.created_at.strftime("%Y-%m-%d %H:%M") if o.created_at else "",
+            o.remark or "",
+        ])
+        if o.status == "picked":
+            ws.cell(row=ws.max_row, column=6).fill = PatternFill("solid", fgColor="C6EFCE")
+        else:
+            ws.cell(row=ws.max_row, column=6).fill = PatternFill("solid", fgColor="FFE699")
+    ws.freeze_panes = "A2"
+    wb.save(target)
+
+
+def export_order_detail(target, o, bom, reqs, factory,
+                        posted_total, planned_total, posted_count):
+    """导出单个生产订单详情(派工单)：订单信息 sheet + 领料明细 sheet。"""
+    wb = Workbook()
+    ws = wb.active
+    ws.title = "订单信息"
+    ws.append(["生产订单派工单"])
+    ws["A1"].font = Font(bold=True, size=14)
+    info = [
+        ("订单号", o.order_no),
+        ("BOM型号", (bom.code if bom else "-") + (f" · {bom.name}" if bom and bom.name else "")),
+        ("接单量", o.qty),
+        ("生产工厂", (f"{factory.code}·{factory.name}" if factory else "未指定（按汇总库存）")),
+        ("经手人", o.operator or "-"),
+        ("下单时间", o.created_at.strftime("%Y-%m-%d %H:%M") if o.created_at else ""),
+        ("状态", "已领料" if o.status == "picked" else "待领料"),
+        ("备注", o.remark or "-"),
+        ("调入总览", f"已调入 {posted_count} 项 / 合计 {posted_total} 件；计划调入合计 {planned_total} 件"),
+    ]
+    r = 3
+    for k, v in info:
+        ws.cell(row=r, column=1, value=k).font = Font(bold=True)
+        ws.cell(row=r, column=2, value=v)
+        r += 1
+
+    ws2 = wb.create_sheet("领料明细")
+    head = ["物料编号", "型号", "下单前库存", "需求数量", "缺口",
+            "调入数量", "状态", "工厂库存", "可替代料"]
+    ws2.append(head)
+    for c in ws2[1]:
+        c.font = Font(bold=True)
+        c.fill = PatternFill("solid", fgColor="DDEBF7")
+    for x in reqs:
+        subs = "、".join(
+            f"{s['pn']}·{s['stock']}{'✓' if s['available'] else '✗'}" for s in x["subs"]
+        ) if x["subs"] else "—"
+        ws2.append([
+            x["m"].part_number,
+            x["m"].manufacturer or "-",
+            round(x["have"], 3),
+            round(x["need"], 3),
+            round(x["gap"], 3),
+            round(x["alloc"], 3),
+            "缺料" if x["short"] else "充足",
+            round(x["gap"] + x["alloc"], 3),
+            subs,
+        ])
+        if x["short"]:
+            ws2.cell(row=ws2.max_row, column=7).fill = PatternFill("solid", fgColor="FFC7CE")
+        else:
+            ws2.cell(row=ws2.max_row, column=7).fill = PatternFill("solid", fgColor="C6EFCE")
+    ws2.freeze_panes = "A2"
+    wb.save(target)
+
+
 def build_bom_template(path):
     """生成与真实 BOM 模板一致的格式(Altium/嘉立创导出):
     每个 worksheet 一个 BOM, sheet 名即 BOM 型号; 列头 Item/Part Number/

templates/order_detail.html

@@ -1,16 +1,36 @@
 {% extends "base.html" %}
 {% block title %}订单 {{ o.order_no }}{% endblock %}
 {% block content %}
+<style>
+  /* 打印(派工单): 仅保留订单信息与明细表, 隐藏导航/按钮, 输入框显示为纯文本 */
+  @media print {
+    header.topbar { display: none !important; }
+    .toolbar .btn, .toolbar a.btn, .toolbar button { display: none !important; }
+    .toolbar .badge { display: inline-block !important; }
+    .row-actions { display: none !important; }
+    .print-hide { display: none !important; }
+    input[name^="alloc_"] {
+      border: none !important; background: none !important; padding: 0 !important;
+      width: auto !important; -webkit-appearance: none; appearance: none;
+      font: inherit; color: inherit;
+    }
+    form { display: block; }
+    @page { margin: 12mm; }
+    body { background: #fff !important; }
+  }
+</style>
 <div class="toolbar">
   <h3 style="margin:0">生产订单 {{ o.order_no }}</h3>
   <span class="badge {{ 'ok' if o.status=='picked' else 'warn' }}">{{ '已领料' if o.status=='picked' else '待领料' }}</span>
   <a class="btn" href="{{ url_for('order_edit', oid=o.id) }}">编辑订单</a>
+  <a class="btn" href="{{ url_for('order_export', oid=o.id) }}">导出 Excel</a>
+  <button class="btn" type="button" onclick="window.print()">打印</button>
 </div>
 <div class="card" style="margin-bottom:16px">
   <p class="small muted" style="margin-top:0"><b>下单信息（按下单时记录）</b></p>
   <p>BOM: <b>{{ bom.code if bom else '-' }}</b>{% if bom and bom.name %} · {{ bom.name }}{% endif %} ｜ 接单量: <b>{{ '%.2f'|format(o.qty) }}</b> ｜ 生产工厂: <b>{% if factory %}{{ factory.code }}{% if factory.name %} · {{ factory.name }}{% endif %}{% else %}未指定（按汇总库存）{% endif %}</b> ｜ 经手人: {{ o.operator or '-' }}{% if o.created_at %} ｜ 下单时间: {{ o.created_at.strftime('%Y-%m-%d %H:%M') }}{% endif %}</p>
   {% if o.remark %}<p class="small muted">备注: {{ o.remark }}</p>{% endif %}
-  <p class="small muted" style="margin-bottom:0">提示：点击「编辑订单」保存后，该订单会冲销已产生的调入/领料流水并清空调入计划，自动回到「刚下单」状态（待领料、未调拨），可重新规划。</p>
+  <p class="small muted print-hide" style="margin-bottom:0">提示：点击「编辑订单」保存后，该订单会冲销已产生的调入/领料流水并清空调入计划，自动回到「刚下单」状态（待领料、未调拨），可重新规划。</p>
 </div>
 
 <h3>领料需求与调入 (单套用量 × 接单量){% if factory %} ｜ 按下单前库存核算{% endif %}</h3>
@@ -73,7 +93,7 @@
             formaction="{{ url_for('order_alloc_post', oid=o.id) }}"
             onclick="return confirm('确认将待调入数量从上方所选来源工厂调拨到生产工厂? 总库存不变, 仅厂间转移。');">确认调入（厂间调拨）</button>
   </div>
-  <p class="small muted">「确认调入」是一次厂间调拨：从来源工厂出库减、生产工厂入库加，系统总库存不变。</p>
+  <p class="small muted print-hide">「确认调入」是一次厂间调拨：从来源工厂出库减、生产工厂入库加，系统总库存不变。</p>
 </form>
 
 <div class="card" style="margin:14px 0">

templates/orders.html

@@ -4,6 +4,7 @@
 <div class="toolbar">
   <h3 style="margin:0">生产订单 ({{ data|length }})</h3>
   <a class="btn primary" href="{{ url_for('order_new') }}">+ 新建订单</a>
+  <a class="btn" href="{{ url_for('orders_export') }}">导出 Excel</a>
 </div>
 <table class="tbl">
   <thead><tr><th>订单号</th><th>BOM</th><th>接单量</th><th>生产工厂</th><th>状态</th><th>经手人</th><th>操作</th></tr></thead>