agent功能开发增加MCP后端

src/components/ChatBot/MarkdownWithCharts.js

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+// src/components/ChatBot/MarkdownWithCharts.js
+// 支持 ECharts 图表的 Markdown 渲染组件
+
+import React from 'react';
+import { Box, Alert, AlertIcon, Text, VStack, Code } from '@chakra-ui/react';
+import ReactMarkdown from 'react-markdown';
+import { EChartsRenderer } from './EChartsRenderer';
+import { logger } from '@utils/logger';
+
+/**
+ * 解析 Markdown 内容，提取 ECharts 代码块
+ * @param {string} markdown - Markdown 文本
+ * @returns {Array} - 包含文本和图表的数组
+ */
+const parseMarkdownWithCharts = (markdown) => {
+  if (!markdown) return [];
+
+  const parts = [];
+  const echartsRegex = /```echarts\s*\n([\s\S]*?)```/g;
+  let lastIndex = 0;
+  let match;
+
+  while ((match = echartsRegex.exec(markdown)) !== null) {
+    // 添加代码块前的文本
+    if (match.index > lastIndex) {
+      const textBefore = markdown.substring(lastIndex, match.index).trim();
+      if (textBefore) {
+        parts.push({ type: 'text', content: textBefore });
+      }
+    }
+
+    // 添加 ECharts 配置
+    const chartConfig = match[1].trim();
+    parts.push({ type: 'chart', content: chartConfig });
+
+    lastIndex = match.index + match[0].length;
+  }
+
+  // 添加剩余文本
+  if (lastIndex < markdown.length) {
+    const textAfter = markdown.substring(lastIndex).trim();
+    if (textAfter) {
+      parts.push({ type: 'text', content: textAfter });
+    }
+  }
+
+  // 如果没有找到图表，返回整个 markdown 作为文本
+  if (parts.length === 0) {
+    parts.push({ type: 'text', content: markdown });
+  }
+
+  return parts;
+};
+
+/**
+ * 支持 ECharts 图表的 Markdown 渲染组件
+ * @param {string} content - Markdown 文本
+ */
+export const MarkdownWithCharts = ({ content }) => {
+  const parts = parseMarkdownWithCharts(content);
+
+  return (
+    <VStack align="stretch" spacing={4}>
+      {parts.map((part, index) => {
+        if (part.type === 'text') {
+          // 渲染普通 Markdown
+          return (
+            <Box key={index}>
+              <ReactMarkdown
+                components={{
+                  // 自定义渲染样式
+                  p: ({ children }) => (
+                    <Text mb={2} fontSize="sm">
+                      {children}
+                    </Text>
+                  ),
+                  h1: ({ children }) => (
+                    <Text fontSize="xl" fontWeight="bold" mb={3}>
+                      {children}
+                    </Text>
+                  ),
+                  h2: ({ children }) => (
+                    <Text fontSize="lg" fontWeight="bold" mb={2}>
+                      {children}
+                    </Text>
+                  ),
+                  h3: ({ children }) => (
+                    <Text fontSize="md" fontWeight="bold" mb={2}>
+                      {children}
+                    </Text>
+                  ),
+                  ul: ({ children }) => (
+                    <Box as="ul" pl={4} mb={2}>
+                      {children}
+                    </Box>
+                  ),
+                  ol: ({ children }) => (
+                    <Box as="ol" pl={4} mb={2}>
+                      {children}
+                    </Box>
+                  ),
+                  li: ({ children }) => (
+                    <Box as="li" fontSize="sm" mb={1}>
+                      {children}
+                    </Box>
+                  ),
+                  code: ({ inline, children }) =>
+                    inline ? (
+                      <Code fontSize="sm" px={1}>
+                        {children}
+                      </Code>
+                    ) : (
+                      <Code display="block" p={3} borderRadius="md" fontSize="sm" whiteSpace="pre-wrap">
+                        {children}
+                      </Code>
+                    ),
+                  blockquote: ({ children }) => (
+                    <Box
+                      borderLeftWidth="4px"
+                      borderLeftColor="blue.500"
+                      pl={4}
+                      py={2}
+                      fontStyle="italic"
+                      color="gray.600"
+                    >
+                      {children}
+                    </Box>
+                  ),
+                }}
+              >
+                {part.content}
+              </ReactMarkdown>
+            </Box>
+          );
+        } else if (part.type === 'chart') {
+          // 渲染 ECharts 图表
+          try {
+            const chartOption = JSON.parse(part.content);
+            return (
+              <Box key={index}>
+                <EChartsRenderer option={chartOption} height={350} />
+              </Box>
+            );
+          } catch (error) {
+            logger.error('解析 ECharts 配置失败', error, part.content);
+            return (
+              <Alert status="warning" key={index} borderRadius="md">
+                <AlertIcon />
+                <VStack align="flex-start" spacing={1}>
+                  <Text fontSize="sm" fontWeight="bold">
+                    图表配置解析失败
+                  </Text>
+                  <Code fontSize="xs" maxW="100%" overflow="auto">
+                    {part.content.substring(0, 200)}
+                    {part.content.length > 200 ? '...' : ''}
+                  </Code>
+                </VStack>
+              </Alert>
+            );
+          }
+        }
+        return null;
+      })}
+    </VStack>
+  );
+};