feat(StockQuoteCard): 实现分享功能和优化时间显示

- index.tsx: 实现 handleShare，点击复制链接并显示 Toast 提示
- StockHeader: 移除 updateTime prop，改为显示页面打开时间
- StockHeader: 时间格式改为「年-月-日 时:分」完整格式

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/views/Company/components/StockQuoteCard/components/StockHeader.tsx

@@ -7,7 +7,7 @@
  * - 操作按钮悬停态有玻璃效果
  */
 
-import React, { memo } from 'react';
+import React, { memo, useState } from 'react';
 import { Flex, HStack, Text, Badge, IconButton, Tooltip } from '@chakra-ui/react';
 import { Share2 } from 'lucide-react';
 import FavoriteButton from '@components/FavoriteButton';
@@ -25,8 +25,6 @@ export interface StockHeaderProps {
   industry?: string;
   /** 指数标签（沪深300、中证500等） */
   indexTags?: string[];
-  /** 更新时间 */
-  updateTime?: string;
   // 关注相关
   isInWatchlist?: boolean;
   isWatchlistLoading?: boolean;
@@ -51,7 +49,6 @@ export const StockHeader: React.FC<StockHeaderProps> = memo(({
   industryL1,
   industry,
   indexTags,
-  updateTime,
   isInWatchlist = false,
   isWatchlistLoading = false,
   onWatchlistToggle,
@@ -59,6 +56,17 @@ export const StockHeader: React.FC<StockHeaderProps> = memo(({
   isCompareLoading = false,
   onCompare,
 }) => {
+  // 页面打开时间（组件首次渲染时记录，格式：年月日时分）
+  const [openTime] = useState(() => {
+    const now = new Date();
+    const year = now.getFullYear();
+    const month = (now.getMonth() + 1).toString().padStart(2, '0');
+    const day = now.getDate().toString().padStart(2, '0');
+    const hour = now.getHours().toString().padStart(2, '0');
+    const minute = now.getMinutes().toString().padStart(2, '0');
+    return `${year}-${month}-${day} ${hour}:${minute}`;
+  });
+
   return (
     <Flex justify="space-between" align="center">
       {/* 左侧：股票名称 + 行业标签 + 指数标签 */}
@@ -131,7 +139,7 @@ export const StockHeader: React.FC<StockHeaderProps> = memo(({
           />
         </Tooltip>
         <Text fontSize="13px" color={T.textMuted}>
-          {updateTime?.split(' ')[1] || '--:--'}
+          {openTime}
         </Text>
       </HStack>
     </Flex>

src/views/Company/components/StockQuoteCard/index.tsx

@@ -14,8 +14,8 @@
  * - MainForceInfo：主力动态
  */
 
-import React, { memo } from 'react';
-import { Box, Flex, VStack, useDisclosure } from '@chakra-ui/react';
+import React, { memo, useCallback } from 'react';
+import { Box, Flex, VStack, useDisclosure, useToast } from '@chakra-ui/react';
 import { CardGlow } from '@components/FUI';
 
 // 子组件导入
@@ -64,6 +64,34 @@ const StockQuoteCard: React.FC<StockQuoteCardProps> = ({
     clearCompare();
   };
 
+  // Toast 提示
+  const toast = useToast();
+
+  // 分享功能：复制链接到剪贴板
+  const handleShare = useCallback(async () => {
+    const shareUrl = `https://valuefrontier.cn/company?scode=${stockCode}`;
+
+    try {
+      await navigator.clipboard.writeText(shareUrl);
+      toast({
+        title: '链接已复制',
+        description: '快去分享给好友吧~',
+        status: 'success',
+        duration: 2000,
+        isClosable: true,
+        position: 'top',
+      });
+    } catch (err) {
+      toast({
+        title: '复制失败',
+        description: '请手动复制链接',
+        status: 'error',
+        duration: 2000,
+        position: 'top',
+      });
+    }
+  }, [stockCode, toast]);
+
   // 加载中
   if (isLoading || !quoteData) {
     return <LoadingSkeleton />;
@@ -83,10 +111,10 @@ const StockQuoteCard: React.FC<StockQuoteCardProps> = ({
             industryL1={quoteData.industryL1}
             industry={quoteData.industry}
             indexTags={quoteData.indexTags}
-            updateTime={quoteData.updateTime}
             isInWatchlist={isInWatchlist}
             isWatchlistLoading={isWatchlistLoading}
             onWatchlistToggle={onWatchlistToggle}
+            onShare={handleShare}
             isCompareLoading={isCompareLoading}
             onCompare={handleCompare}
           />