导表

src/App.tsx

@@ -50,6 +50,8 @@ const metricOptions = [
   { key: 'dataCount', label: '数据量' },
 ] as const;
 
+const gridMetricOptions = metricOptions.filter((option) => option.key !== 'dataCount');
+
 const metricShortLabels: Record<MetricKey, string> = {
   cost: '价',
   buildingArea: '建',
@@ -748,6 +750,7 @@ function App() {
   const [rightPanelCollapsed, setRightPanelCollapsed] = useState(false);
   const [statisticMenuOpen, setStatisticMenuOpen] = useState(false);
   const [metricMenuOpen, setMetricMenuOpen] = useState(false);
+  const [gridContextMenuPosition, setGridContextMenuPosition] = useState<{ left: number; top: number } | null>(null);
   const [activeContentKey, setActiveContentKey] = useState<ContentKey>('geoLocation');
   const [treeByContent, setTreeByContent] = useState<Record<ContentKey, TreeNode[]>>({
     geoLocation: [],
@@ -1012,7 +1015,7 @@ function App() {
           ],
         },
         {
-          headerName: '样本统计值',
+          headerName: `样本统计值（${pivotGridRowData.length}）`,
           children: [
             {
               field: 'maxValue',
@@ -1069,7 +1072,7 @@ function App() {
         },
       ];
     },
-    [requestMetricKey],
+    [pivotGridRowData.length, requestMetricKey],
   );
   const fitPivotGridColumns = useCallback(() => {
     window.requestAnimationFrame(() => {
@@ -1082,6 +1085,29 @@ function App() {
       });
     });
   }, []);
+  const exportPivotGrid = useCallback(() => {
+    pivotGridApiRef.current?.exportDataAsCsv({ fileName: '建筑设施对象统计表.csv' });
+    setGridContextMenuPosition(null);
+  }, []);
+
+  useEffect(() => {
+    if (!gridContextMenuPosition) return;
+
+    const closeMenu = () => setGridContextMenuPosition(null);
+    const handleKeyDown = (event: KeyboardEvent) => {
+      if (event.key === 'Escape') closeMenu();
+    };
+    document.addEventListener('mousedown', closeMenu);
+    document.addEventListener('keydown', handleKeyDown);
+    window.addEventListener('blur', closeMenu);
+    window.addEventListener('resize', closeMenu);
+    return () => {
+      document.removeEventListener('mousedown', closeMenu);
+      document.removeEventListener('keydown', handleKeyDown);
+      window.removeEventListener('blur', closeMenu);
+      window.removeEventListener('resize', closeMenu);
+    };
+  }, [gridContextMenuPosition]);
   const selectedNodeKeys = useMemo(
     () => new Set(selectedContentNodes.map((node) => getSelectionKey(node.contentKey, node.id))),
     [selectedContentNodes],
@@ -1654,9 +1680,16 @@ function App() {
   };
 
   const togglePivotView = useCallback(() => {
-    setChartViewKey((current) => (current === 'trend' ? 'pivot' : 'trend'));
+    setChartViewKey((current) => {
+      if (current === 'trend') {
+        setMetricKey((selectedKey) => selectedKey === 'dataCount' ? metricOptions[0].key : selectedKey);
+        return 'pivot';
+      }
+      return 'trend';
+    });
     setMetricMenuOpen(false);
     setStatisticMenuOpen(false);
+    setGridContextMenuPosition(null);
   }, []);
 
   const toggleWorkspaceFullscreen = useCallback(() => {
@@ -1926,10 +1959,6 @@ function App() {
       handleToolbarAction(button);
     };
 
-    const suppressBrowserContextMenu = (event: MouseEvent) => {
-      event.preventDefault();
-    };
-
     const observer = new MutationObserver(syncToolbarButtons);
     const initialSyncTimers = [
       window.setTimeout(syncToolbarButtons, 0),
@@ -1939,8 +1968,6 @@ function App() {
     ];
     document.addEventListener('keydown', handleKeyDown, true);
     document.addEventListener('fullscreenchange', handleFullscreenChange);
-    document.addEventListener('contextmenu', suppressBrowserContextMenu);
-    frame.addEventListener('contextmenu', suppressBrowserContextMenu);
     frame.addEventListener('click', handleToolbarClick, true);
     frame.addEventListener('keydown', handleToolbarKeyDown, true);
     observer.observe(frame, { childList: true, subtree: true });
@@ -1950,8 +1977,6 @@ function App() {
       initialSyncTimers.forEach((timer) => window.clearTimeout(timer));
       document.removeEventListener('keydown', handleKeyDown, true);
       document.removeEventListener('fullscreenchange', handleFullscreenChange);
-      document.removeEventListener('contextmenu', suppressBrowserContextMenu);
-      frame.removeEventListener('contextmenu', suppressBrowserContextMenu);
       frame.removeEventListener('click', handleToolbarClick, true);
       frame.removeEventListener('keydown', handleToolbarKeyDown, true);
       observer.disconnect();
@@ -2217,7 +2242,7 @@ function App() {
       </button>
       {metricMenuOpen ? (
         <div className="metric-switcher-menu" role="menu" aria-label="切换纵坐标指标">
-          {metricOptions.map((option) => (
+          {(variant === 'grid' ? gridMetricOptions : metricOptions).map((option) => (
             <button
               className="metric-switcher-menu-item"
               type="button"
@@ -2325,7 +2350,30 @@ function App() {
             {loading || loadError ? <div className="chart-status">{loading ? loadingHint || '加载中' : loadError}</div> : null}
             <AgCharts options={chartOptions} />
             {chartViewKey === 'pivot' ? (
-              <div className="chart-pivot-grid-panel ag-theme-quartz">
+              <div
+                className="chart-pivot-grid-panel ag-theme-quartz"
+                onContextMenu={(event) => {
+                  event.preventDefault();
+                  setMetricMenuOpen(false);
+                  setStatisticMenuOpen(false);
+                  setGridContextMenuPosition({
+                    left: Math.max(8, Math.min(event.clientX, window.innerWidth - 132)),
+                    top: Math.max(8, Math.min(event.clientY, window.innerHeight - 44)),
+                  });
+                }}
+              >
+                {gridContextMenuPosition ? (
+                  <div
+                    className="grid-context-menu"
+                    role="menu"
+                    style={gridContextMenuPosition}
+                    onMouseDown={(event) => event.stopPropagation()}
+                  >
+                    <button type="button" role="menuitem" onClick={exportPivotGrid}>
+                      导出表格
+                    </button>
+                  </div>
+                ) : null}
                 <button
                   className="chart-grid-tool-button chart-grid-tool-button--template"
                   type="button"

src/styles.css

@@ -452,6 +452,39 @@ button {
   border-radius: 3px;
 }
 
+.grid-context-menu {
+  position: fixed;
+  z-index: 50;
+  min-width: 128px;
+  padding: 4px;
+  border: 1px solid rgba(90, 82, 72, 0.22);
+  border-radius: 3px;
+  background: #fffaf4;
+  box-shadow: 0 6px 18px rgba(69, 54, 36, 0.18);
+}
+
+.grid-context-menu button {
+  display: block;
+  width: 100%;
+  min-height: 32px;
+  padding: 0 10px;
+  border: 0;
+  border-radius: 2px;
+  color: #262a33;
+  background: transparent;
+  font-size: 13px;
+  line-height: 32px;
+  text-align: left;
+  cursor: pointer;
+}
+
+.grid-context-menu button:hover,
+.grid-context-menu button:focus-visible {
+  color: #0078a8;
+  background: rgba(0, 120, 168, 0.08);
+  outline: none;
+}
+
 .chart-grid-tool-button {
   position: absolute;
   left: 24px;