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package com.dsideal.Res.Test;
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import cn.hutool.core.io.FileUtil;
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import cn.hutool.core.util.CharsetUtil;
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import cn.hutool.json.JSONObject;
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import cn.hutool.json.JSONUtil;
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import com.alibaba.fastjson.JSONArray;
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import com.jfinal.kit.PathKit;
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import org.apache.commons.codec.digest.DigestUtils;
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import java.io.File;
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import java.net.URI;
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import java.net.http.HttpClient;
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import java.net.http.HttpResponse;
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import java.nio.charset.StandardCharsets;
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import java.util.concurrent.CompletableFuture;
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public class CallDeepSeek {
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private static final String API_KEY = "sk-44ae895eeb614aa1a9c6460579e322f1"; // 请替换为您的API KEY
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private static final String API_URL = "https://api.deepseek.com/v1/chat/completions";
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public static void callDeepSeekStream(String prompt, SSEListener listener) {
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new Thread(() -> {
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StringBuilder fullResponse = new StringBuilder();
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try {
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// 修改htmlPrompt变量，在提示词中明确要求输出格式
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String htmlPrompt = prompt + "请严格按照以下mermaid配置输出SQL血缘关系图：\n" +
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"1. 使用以下固定样式配置：\n" +
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" graph TD\n" +
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" classDef default fill:#f9f9f9,stroke:#333,stroke-width:1px\n" +
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" classDef input fill:#D6EAF8,stroke:#333\n" +
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" classDef output fill:#D5F5E3,stroke:#333\n" +
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" linkStyle default stroke:#333,stroke-width:2px\n" +
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"2. 按照以下HTML模板格式输出，不要生成html以外的其它文字：\n" +
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"<!DOCTYPE html>\n" +
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"<html>\n" +
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"<head>\n" +
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" <title>SQL血缘关系图</title>\n" +
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" <script src='https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.min.js'></script>\n" +
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" <style>\n" +
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" .mermaid { margin: 20px auto; }\n" +
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" body { font-family: Arial; text-align: center; }\n" +
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" </style>\n" +
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"</head>\n" +
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"<body>\n" +
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" <h2>SQL血缘关系图</h2>\n" +
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" <div class='mermaid'>\n" +
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" graph TD\n" +
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" classDef default fill:#f9f9f9,stroke:#333,stroke-width:1px\n" +
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" classDef input fill:#D6EAF8,stroke:#333\n" +
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" classDef output fill:#D5F5E3,stroke:#333\n" +
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" linkStyle default stroke:#333,stroke-width:2px\n" +
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" [请在此处插入mermaid格式的血缘关系图]\n" +
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" </div>\n" +
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" <script>mermaid.initialize({startOnLoad:true, theme: 'default'});</script>\n" +
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"</body>\n" +
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"</html>\n";
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JSONObject jsonPayload = new JSONObject();
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jsonPayload.set("model", "deepseek-chat");
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JSONObject message = new JSONObject();
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message.set("role", "user");
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message.set("content", htmlPrompt);
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JSONArray messages = new JSONArray();
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messages.add(message);
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jsonPayload.set("messages", messages);
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jsonPayload.set("stream", true);
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HttpClient client = HttpClient.newBuilder()
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.version(HttpClient.Version.HTTP_1_1) // 明确指定HTTP版本
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.build();
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java.net.http.HttpRequest request = java.net.http.HttpRequest.newBuilder()
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.uri(URI.create(API_URL))
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.header("Content-Type", "application/json")
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.header("Authorization", "Bearer " + API_KEY)
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.header("Accept", "text/event-stream") // 确保Accept头正确
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.POST(java.net.http.HttpRequest.BodyPublishers.ofString(jsonPayload.toString(), StandardCharsets.UTF_8))
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.build();
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// 使用 BodyHandlers.ofLines() 来处理流式响应
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CompletableFuture<Void> future = client.sendAsync(request, HttpResponse.BodyHandlers.ofLines())
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.thenAccept(response -> {
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if (response.statusCode() == 200) {
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response.body().forEach(line -> {
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if (line.startsWith("data:")) {
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String data = line.substring(5).trim();
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if (!data.equals("[DONE]")) {
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try {
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JSONObject jsonData = JSONUtil.parseObj(data);
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if (jsonData.containsKey("choices")) {
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String content = jsonData.getJSONArray("choices")
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.getJSONObject(0)
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.getJSONObject("delta")
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.getStr("content", "");
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if (content != null && !content.isEmpty()) {
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fullResponse.append(content);
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listener.onData(content); // 回调监听器
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}
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}
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} catch (Exception e) {
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System.err.println("解析SSE JSON数据错误: " + data + " \nError: " + e.getMessage());
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}
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}
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}
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});
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// 流结束后的处理
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String htmlContent = fullResponse.toString();
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if (htmlContent.contains("<!DOCTYPE html>") && htmlContent.contains("</html>")) {
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FileUtil.writeString(htmlContent, new File("C:\\1.html"), "UTF-8");
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listener.onComplete("HTML已成功保存到C:\\1.html");
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} else {
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listener.onError("最终返回内容不是有效的HTML: " + htmlContent.substring(0, Math.min(htmlContent.length(), 200)) + "...");
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}
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} else {
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listener.onError("API请求失败: " + response.statusCode() + " Body: " + response.body().toString());
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}
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}).exceptionally(e -> {
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listener.onError("请求或处理异常: " + e.getMessage());
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e.printStackTrace();
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return null;
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});
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future.join(); // 等待异步操作完成，对于main线程的简单示例是必要的
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} catch (Exception e) {
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listener.onError("发生意外错误: " + e.getMessage());
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e.printStackTrace();
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}
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}).start();
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}
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public static void main(String[] args) {
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String sqlContent = FileUtil.readString("XueYuan.sql", CharsetUtil.CHARSET_UTF_8);
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String md5 = DigestUtils.md5Hex(sqlContent);
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String outputPath = "C:\\" + md5 + ".html";
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File outputFile = new File(outputPath);
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if (outputFile.exists()) {
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System.out.println("文件已存在，跳过生成：" + outputPath);
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return;
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}
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String prompt = "你是一个数据库SQL的血缘关系分析专家，我将提供SQL语句给你，帮我整理数据血缘关系，并且绘制HTML页面，以展示最终的可视化展现。";
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callDeepSeekStream(prompt + "\n" + sqlContent, new SSEListener() {
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@Override
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public void onData(String data) {
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System.out.print(data); // 实时打印
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System.out.flush(); // 确保立即刷新到控制台
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}
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@Override
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public void onComplete(String fullResponse) {
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System.out.println("\n\n完整回复: " + fullResponse);
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}
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@Override
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public void onError(String error) {
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System.err.println("错误: " + error);
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}
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});
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// 移除 Thread.sleep(30000);
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// 如果主线程需要等待SSE完成，可以考虑使用更优雅的同步机制，
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// 例如 CountDownLatch，或者让 callDeepSeekStream 方法返回一个 Future。
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// 但对于简单的控制台流式输出演示，移除休眠即可观察到流式效果。
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}
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public interface SSEListener {
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void onData(String data);
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void onComplete(String fullResponse);
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void onError(String error);
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}
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}
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