优化

src/App.tsx

@@ -1,4 +1,4 @@
-import React, { useState, useMemo, useEffect } from 'react';
+import React, { useState, useMemo, useEffect, useLayoutEffect } from 'react';
 import { LabelTemplate, PaperConfig, ImportData, RecordRow, ExportRangeConfig, CutLineConfig } from './types';
 import {
   stripTemplateForStorage,
@@ -442,6 +442,40 @@ export default function App() {
     return !exportRangeEquals(draftExportRange, appliedExportData.exportRange);
   }, [importData, variableColumnMapping, appliedExportData, draftExportRange]);
 
+  // 移动端导出页实时同步数据，无需手动「应用数据」
+  useLayoutEffect(() => {
+    if (!isMobile || workflowStep !== 'print-view') return;
+    if (!importData || activeRows.length === 0) return;
+
+    const nextExportRange = { ...draftExportRange };
+    setAppliedExportData({
+      fileName: importData.fileName,
+      currentSheet: importData.currentSheet,
+      rows: importData.rows,
+      mapping: { ...variableColumnMapping },
+      exportRange: nextExportRange,
+    });
+    setPreviewSnapshot({
+      pages: layoutResult.pages,
+      gridCols: layoutResult.gridCols,
+      labelsPerPage: layoutResult.labelsPerPage,
+      totalPages: layoutResult.totalPages,
+      selectedCount: layoutResult.selectedCount,
+      paper,
+      exportRange: nextExportRange,
+    });
+    setPreviewLayoutStale(false);
+  }, [
+    isMobile,
+    workflowStep,
+    importData,
+    activeRows,
+    variableColumnMapping,
+    draftExportRange,
+    layoutResult,
+    paper,
+  ]);
+
   const handleApplyData = async () => {
     if (!importData || activeRows.length === 0) {
       await showAlert('请先上传 Excel 或 CSV 数据。', { variant: 'warning' });
@@ -884,7 +918,7 @@ export default function App() {
               </span>
               <div className="flex-1" />
               <span className="hidden md:inline text-[10px] text-[#666]">
-                Shift/Ctrl+点击多选 · V 移动 · T 文本 · 图片工具栏
+                Shift/Ctrl+点击多选
               </span>
               <button
                 onClick={() => openPrintView()}
@@ -937,14 +971,8 @@ export default function App() {
             onChangeDraftExportRange={setDraftExportRange}
             cutLine={cutLine}
             onChangeCutLine={handleCutLineChange}
-            dataStale={dataStale}
-            dataApplied={appliedExportData !== null}
-            onApplyData={handleApplyData}
-            appliedSelectedCount={appliedLayoutResult.selectedCount}
-            appliedTotalPages={appliedLayoutResult.totalPages}
-            appliedGridCols={appliedLayoutResult.gridCols}
-            appliedGridRows={appliedLayoutResult.gridRows}
-            draftSelectedCount={selectedCount}
+            selectedCount={selectedCount}
+            totalPages={totalPages}
             pdfGenerating={pdfGenerating}
             onBack={() => setWorkflowStep('template-select')}
             onExportPdf={exportPdf}