feat: 新增多项功能并优化多个页面交互

1. 新增批量修改钢卷合同接口与合同批量转单功能
2. 优化KLPTable多选列默认位置与物料预警查询交互
3. 升级CoilTable支持多选与自定义操作栏
4. 新增菜单导出功能
5. 优化钢卷面板列宽与操作按钮文案

klp-ui/src/views/crm/contract/components/ContractTabs.vue

@@ -24,7 +24,15 @@
          <el-tab-pane label="生产成果" name="product">
           <div class="order-record" v-if="activeTab === 'product'">
             <!-- 生产成果内容 -->
-            <CoilTable :data="productList || []" />
+            <CoilTable ref="productCoilTable" :data="productList || []" :showSelection="true"
+              @selection-change="handleProductSelectionChange">
+              <template slot="filter-actions" slot-scope="{ selectedRows }">
+                <el-button type="primary" size="mini" icon="el-icon-refresh"
+                  :disabled="!selectedRows.length" @click="handleBatchTransferContract(selectedRows)">
+                  批量转单
+                </el-button>
+              </template>
+            </CoilTable>
           </div>
         </el-tab-pane>
         <el-tab-pane label="发货配卷" name="coil">
@@ -63,6 +71,20 @@
           </div>
         </el-tab-pane> -->
       </el-tabs>
+
+      <!-- 批量转单 - 选择目标合同弹窗 -->
+      <el-dialog title="批量转单" :visible.sync="batchTransferDialogVisible" width="500px" append-to-body
+        @closed="batchTargetContractId = ''">
+        <div style="margin-bottom: 12px;">
+          已选择 <strong>{{ (batchTransferCoilIds || []).length }}</strong> 卷钢卷，请选择目标合同：
+        </div>
+        <ContractSelect v-model="batchTargetContractId" mode="all" />
+        <span slot="footer">
+          <el-button @click="batchTransferDialogVisible = false">取消</el-button>
+          <el-button type="primary" :disabled="!batchTargetContractId" :loading="batchTransferLoading"
+            @click="confirmBatchTransfer">确认转单</el-button>
+        </span>
+      </el-dialog>
     </div>
     <div v-else class="no-selection" style="display: flex; align-items: center; justify-content: center; height: 100%;">
       <el-empty description="请先选择合同" />
@@ -73,6 +95,8 @@
 <script>
 // import OrderPage from "@/views/crm/order/index.vue";
 import CoilTable from "../../components/CoilTable.vue";
+import ContractSelect from "@/components/KLPService/ContractSelect";
+import { batchUpdateContractCoil } from "@/api/wms/coil";
 import FileList from "@/components/FileList";
 import DeliveryTable from "../../components/DeliveryTable.vue";
 
@@ -87,6 +111,7 @@ export default {
   name: "ContractTabs",
   components: {
     CoilTable,
+    ContractSelect,
     FileList,
     DeliveryTable,
     OrderDetail,
@@ -142,10 +167,51 @@ export default {
   data() {
     return {
       // 活动tab
-      activeTab: "finance"
+      activeTab: "finance",
+      selectedProductRows: [],
+      batchTransferDialogVisible: false,
+      batchTargetContractId: '',
+      batchTransferCoilIds: [],
+      batchTransferLoading: false
     };
   },
   methods: {
+    handleProductSelectionChange(selection) {
+      this.selectedProductRows = selection;
+    },
+    handleBatchTransferContract(selectedRows) {
+      if (!selectedRows || !selectedRows.length) {
+        this.$message.warning('请先选择需要转单的钢卷');
+        return;
+      }
+      this.batchTransferCoilIds = selectedRows.map(row => row.coilId);
+      this.batchTargetContractId = '';
+      this.batchTransferDialogVisible = true;
+    },
+    confirmBatchTransfer() {
+      const coilIds = this.batchTransferCoilIds;
+      const contractId = this.batchTargetContractId;
+      if (!contractId) {
+        this.$message.warning('请选择目标合同');
+        return;
+      }
+      this.batchTransferLoading = true;
+      batchUpdateContractCoil(contractId, coilIds).then(res => {
+        this.$message.success(`成功将 ${coilIds.length} 卷钢卷转入目标合同`);
+        this.batchTransferDialogVisible = false;
+        // 刷新生产成果列表
+        this.$emit('refresh-product');
+        // 清除选中
+        if (this.$refs.productCoilTable) {
+          this.$refs.productCoilTable.clearSelection();
+        }
+      }).catch(err => {
+        console.error('批量转单失败：', err);
+        this.$message.error('批量转单失败，请重试');
+      }).finally(() => {
+        this.batchTransferLoading = false;
+      });
+    },
     // 解析时间
     parseTime(time, pattern) {
       if (!time) return '';