feat: 付款结算单选收票单全额认领并新增发票登记推送指定应付

src/views/settlement/components/formal-settlement-editor.vue

@@ -440,8 +440,15 @@
       />
 
       <section-card title="发票信息">
-        <div class="formal-editor__invoice-claim">
-          <el-button type="primary" @click="openInvoiceClaimDialog">认领查询</el-button>
+        <div v-if="editable" class="formal-editor__invoice-claim">
+          <!-- 先票后款：付款结算单选审批通过的收票单（全额认领）；收款结算单维持原票池认领 -->
+          <el-button
+            v-if="form.settlementType !== 'receivable'"
+            type="primary"
+            @click="openInvoiceReceiptDialog"
+            >选择收票单</el-button
+          >
+          <el-button v-else type="primary" @click="openInvoiceClaimDialog">认领查询</el-button>
         </div>
         <el-table :data="invoices" border>
           <el-table-column type="index" label="序号" width="64" align="center" />
@@ -452,11 +459,6 @@
           <el-table-column prop="invoiceType" label="发票类型" min-width="150" align="center">
             <template #default="{ row }">{{ displayValue(row.invoiceType) }}</template>
           </el-table-column>
-          <el-table-column prop="taxRate" label="税率" min-width="100" align="center">
-            <template #default="{ row }">
-              {{ row.taxRate === null || row.taxRate === undefined ? '-' : `${row.taxRate}%` }}
-            </template>
-          </el-table-column>
           <el-table-column
             prop="invoiceAmount"
             label="发票金额（含税）"
@@ -480,8 +482,9 @@
             align="center"
           >
             <template #default="{ row }">
+              <!-- 先票后款：收票单认领金额固定=发票金额（全额认领），不可改 -->
               <el-input-number
-                v-if="editable"
+                v-if="editable && form.settlementType === 'receivable'"
                 v-model="row.matchedAmount"
                 :min="0"
                 :max="Number(row.availableInvoiceAmount || 0)"
@@ -546,6 +549,11 @@
         @confirm="handleInvoiceClaimConfirm"
       />
 
+      <invoice-receipt-candidates-dialog
+        v-model="invoiceReceiptDialog.visible"
+        @confirm="handleInvoiceReceiptConfirm"
+      />
+
       <section-card
         v-if="readonly"
         :title="form.settlementType === 'receivable' ? '收款信息' : '付款信息'"
@@ -1068,6 +1076,7 @@ import {
   settlementDetailPath,
 } from '@/utils/settlement-detail-link';
 import { getBfiExchangeRate } from '@/api/base/currency';
+import InvoiceReceiptCandidatesDialog from './invoice-receipt-candidates-dialog.vue';
 import {
   createFormalSettlementForm,
   formalSettlementFormFields,
@@ -1110,6 +1119,7 @@ export default {
   components: {
     InfoFilled,
     KingdeeInvoicePoolDialog,
+    InvoiceReceiptCandidatesDialog,
     ChangeRecordDetailDialog,
     ProjectAdvanceWriteOff,
   },
@@ -1158,6 +1168,10 @@ export default {
         selected: [],
         confirming: false,
       },
+      // 先票后款：付款结算单选收票单（审批通过+未认领）弹窗
+      invoiceReceiptDialog: {
+        visible: false,
+      },
       attachmentUploadFiles: [],
       attachmentTypeOptions: [],
       attachmentFileTypes: [
@@ -2651,6 +2665,39 @@ export default {
     openInvoiceClaimDialog() {
       this.invoiceClaimDialog.visible = true;
     },
+    // 先票后款：选收票单（审批通过+未被认领），确认后按发票号全额认领
+    openInvoiceReceiptDialog() {
+      this.invoiceReceiptDialog.visible = true;
+    },
+    async handleInvoiceReceiptConfirm(rows) {
+      // 收票单行 → 结算单发票行：匹配金额固定=发票金额（全额认领），附件契约归一为单数 attachmentJson
+      const invoices = rows.map(row => ({
+        ...row,
+        attachmentJson: row.attachmentJson || row.attachmentsJson,
+        invoiceType: row.invoiceType || '',
+        taxRate: row.taxRate ?? null,
+        availableInvoiceAmount: Number(row.invoiceAmount || 0),
+        matchedAmount: Number(row.invoiceAmount || 0),
+      }));
+      if (!this.form.id) {
+        const existingNumbers = new Set(this.invoices.map(item => String(item.invoiceNo)));
+        this.invoices = [
+          ...this.invoices,
+          ...invoices.filter(row => !existingNumbers.has(String(row.invoiceNo))),
+        ];
+        this.$message.success(`已选择${invoices.length}条收票单，保存正式结算单后生效`);
+        return;
+      }
+      const existingNumbers = new Set(this.invoices.map(item => String(item.invoiceNo)));
+      const newInvoices = invoices.filter(row => !existingNumbers.has(String(row.invoiceNo)));
+      if (!newInvoices.length) {
+        this.$message.warning('所选收票单均已认领');
+        return;
+      }
+      await claimInvoicesApi({ formalSettlementId: this.form.id, invoices: newInvoices });
+      await this.loadFormalDetail(this.form.id);
+      this.$message.success('收票单认领成功，已同步正式结算单及关联付款单据');
+    },
     invoicePoolQueryApi(params) {
       return queryInvoicePool(params);
     },