fix(web-admin): 恢复 Excel 查看中 Ctrl/Cmd+C 复制选区

filterOnly 默认关闭 WorksheetCopy；打开复制权限并增加选区 TSV 快捷键兜底。

Co-authored-by: Cursor <cursoragent@cursor.com>

web-admin/src/components/business/list-excel-viewer-dialog/index.vue

@@ -22,10 +22,10 @@
 </template>
 
 <script setup lang="ts">
-  import { computed, nextTick, ref, shallowRef } from 'vue'
+  import { computed, nextTick, onBeforeUnmount, ref, shallowRef } from 'vue'
   import { ElMessage } from 'element-plus'
   import type { ListExcelSnapshot } from '@/utils/list-excel-copy'
-  import { snapshotToUniverCellData } from '@/utils/list-excel-copy'
+  import { excelCell, snapshotToUniverCellData } from '@/utils/list-excel-copy'
 
   defineOptions({ name: 'ListExcelViewerDialog' })
 
@@ -46,28 +46,109 @@
   const containerRef = ref<HTMLElement | null>(null)
   const booting = ref(false)
   const univerRef = shallowRef<{ dispose: () => void } | null>(null)
+  const univerApiRef = shallowRef<UniverAPI | null>(null)
 
   type UniverAPI = {
     createWorkbook: (data: Record<string, unknown>) => unknown
     getActiveWorkbook: () => any
     Enum: {
       WorkbookPermissionPoint: Record<string, string>
+      WorksheetPermissionPoint: Record<string, string>
     }
   }
 
   function disposeUniver() {
+    unbindCopyHotkey()
     try {
       univerRef.value?.dispose()
     } catch {
       // ignore dispose race
     }
     univerRef.value = null
+    univerApiRef.value = null
+  }
+
+  function selectionToTsv(univerAPI: UniverAPI): string {
+    const workbook = univerAPI.getActiveWorkbook?.()
+    const range = workbook?.getActiveRange?.() || workbook?.getActiveSheet?.()?.getActiveRange?.()
+    if (!range) return ''
+    const values: unknown[][] =
+      range.getDisplayValues?.() || range.getValues?.() || range.getRawValues?.() || []
+    if (!Array.isArray(values) || !values.length) {
+      const single = range.getDisplayValue?.() ?? range.getValue?.()
+      if (single == null || single === '') return ''
+      return excelCell(String(single))
+    }
+    return values
+      .map((row) =>
+        (Array.isArray(row) ? row : [row])
+          .map((cell) => excelCell(cell == null ? '' : String(cell)))
+          .join('\t')
+      )
+      .join('\r\n')
+  }
+
+  async function copySelectionFallback(univerAPI: UniverAPI) {
+    const text = selectionToTsv(univerAPI)
+    if (!text) return false
+    try {
+      await navigator.clipboard.writeText(text)
+      ElMessage.success('已复制，到 Excel 中直接粘贴')
+      return true
+    } catch {
+      const area = document.createElement('textarea')
+      area.value = text
+      area.setAttribute('readonly', 'true')
+      area.style.position = 'fixed'
+      area.style.left = '-9999px'
+      document.body.appendChild(area)
+      area.select()
+      const ok = document.execCommand('copy')
+      area.remove()
+      if (ok) {
+        ElMessage.success('已复制，到 Excel 中直接粘贴')
+        return true
+      }
+      ElMessage.warning('复制失败，请允许剪贴板权限后重试')
+      return false
+    }
+  }
+
+  function isTextEntryTarget(target: EventTarget | null): boolean {
+    if (target instanceof HTMLTextAreaElement || target instanceof HTMLSelectElement) return true
+    if (target instanceof HTMLInputElement) {
+      const type = (target.getAttribute('type') || 'text').toLowerCase()
+      return type !== 'checkbox' && type !== 'radio'
+    }
+    return target instanceof HTMLElement && target.isContentEditable
+  }
+
+  function onCopyHotkey(event: KeyboardEvent) {
+    if (!innerVisible.value || !univerApiRef.value) return
+    if (!(event.metaKey || event.ctrlKey) || event.key.toLowerCase() !== 'c') return
+    if (isTextEntryTarget(event.target)) return
+    const host = containerRef.value
+    const target = event.target as Node | null
+    // 弹层内任意位置（含 Univer canvas）都接住复制
+    const dialog = host?.closest('.el-dialog')
+    if (dialog && target && !dialog.contains(target) && target !== document.body) return
+    event.preventDefault()
+    event.stopPropagation()
+    void copySelectionFallback(univerApiRef.value)
+  }
+
+  function bindCopyHotkey() {
+    document.addEventListener('keydown', onCopyHotkey, true)
+  }
+
+  function unbindCopyHotkey() {
+    document.removeEventListener('keydown', onCopyHotkey, true)
   }
 
   /**
    * 工作表 setPoint 必须先 protect()，否则会抛
    * "Cannot set … because worksheet protection does not exist"。
-   * 工作簿 setEditable / setMode 不依赖 protect。
+   * filterOnly 默认关掉 WorksheetCopy，必须再显式打开，否则 Ctrl/Cmd+C 无效。
    */
   async function applyReadonlyPermissions(univerAPI: UniverAPI) {
     const workbook = univerAPI.getActiveWorkbook()
@@ -102,6 +183,10 @@
       if (sheetPermission.setMode) {
         await sheetPermission.setMode('filterOnly')
       }
+      const sheetCopy = univerAPI.Enum?.WorksheetPermissionPoint?.Copy
+      if (sheetPermission.setPoint && sheetCopy) {
+        await sheetPermission.setPoint(sheetCopy, true)
+      }
     } catch (error) {
       console.warn('[ListExcelViewer] worksheet filterOnly skipped', error)
     }
@@ -195,6 +280,7 @@
 
       univerRef.value = univer
       const api = univerAPI as unknown as UniverAPI
+      univerApiRef.value = api
 
       api.createWorkbook({
         id: 'list-excel-viewer',
@@ -222,6 +308,7 @@
       } catch (error) {
         console.warn('[ListExcelViewer] filter setup skipped', error)
       }
+      bindCopyHotkey()
     } catch (error) {
       console.error(error)
       ElMessage.error('Excel 查看加载失败，请稍后重试')
@@ -239,6 +326,10 @@
   function onClosed() {
     disposeUniver()
   }
+
+  onBeforeUnmount(() => {
+    disposeUniver()
+  })
 </script>
 
 <style scoped lang="scss">