1346 lines
40 KiB
JavaScript
Executable File
1346 lines
40 KiB
JavaScript
Executable File
// server.js
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const express = require("express");
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const multer = require("multer");
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const cors = require("cors");
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const fs = require("fs");
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const path = require("path");
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const OpenAI = require("openai");
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const xml2js = require('xml2js');
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const xmlparser = require('express-xml-bodyparser'); // 引入XML解析中间件
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const https = require("https");
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// 强制 IPv4 的 https agent
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const ipv4Agent = new https.Agent({
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family: 4, // 最关键：强制 IPv4
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keepAlive: true,
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maxSockets: 100,
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keepAliveMsecs: 10000,
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});
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// 包一个强制 IPv4 的 fetch
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const fetchIPv4 = (url, options = {}) => {
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return fetch(url, {
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...options,
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agent: ipv4Agent, // 👈 加上 IPv4 专用 agent
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});
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};
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const bodyParser = require("body-parser");
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const axios = require('axios');
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const crypto = require('crypto');
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require('dotenv').config();
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const app = express();
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const port = 30009;
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const TOKEN = 'my_token_123'; // 与公众号后台配置一致
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const appid = process.env.WECHAT_APPID;
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const secret = process.env.WECHAT_SECRET;
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const accessTokenUrl = `https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=${appid}&secret=${secret}`;
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const mysql = require("mysql2/promise");
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// 初始化数据库连接池
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const pool = mysql.createPool({
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host: "1.95.137.212",
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user: "fastbee",
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password: "maibu520",
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database: "fastbee",
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waitForConnections: true,
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connectionLimit: 10,
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});
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// 允许大文件请求体
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app.use(bodyParser.json({ limit: "500mb" }));
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app.use(bodyParser.urlencoded({ limit: "500mb", extended: true }));
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app.use(xmlparser({
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explicitArray: false, // 禁用默认的数组格式，和你后续xml2js配置一致
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trim: true // 去除字符串前后空格
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}));
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// Multer 上传目录
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const upload = multer({
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dest: "uploads/",
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limits: { fileSize: 500 * 1024 * 1024 }, // 500MB
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});
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// Node <20 兼容 File
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if (typeof File === "undefined") {
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globalThis.File = require("node:buffer").File;
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}
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// 启用 CORS
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app.use(cors());
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// app.use(cors({
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// origin: ["https://ai.satabot.com"], // 允许的域
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// methods: "GET,POST,PUT,DELETE,OPTIONS",
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// allowedHeaders: "Content-Type,Authorization",
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// credentials: true
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// }));
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// app.options('*', cors());
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app.use(express.json({ limit: "200mb" })); // 支持大 JSON
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app.use(express.urlencoded({ extended: true })); // 支持 form-data 字段
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// 初始化混元客户端
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// const client = new OpenAI({
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// apiKey: "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",
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// baseURL: "https://openrouter.ai/api/v1",
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// timeout: 120000,
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// });
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// const client = new OpenAI({
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// baseURL:"https://openrouter.ai/api/v1",
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// apiKey:"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",
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// timeout: 120000
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// });
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// const client = new OpenAI({
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// baseURL:"https://satabot.openai.azure.com/",
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// apiKey:"DxvRiQWROzLTapiSHcK0FXKAAXDBlhci1XaqTTpr50sgUsAkmxfUJQQJ99BIACYeBjFXJ3w3AAABACOGZdHp",
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// timeout: 120000
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// });
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//https://satabot.openai.azure.com/
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// const client = new OpenAI({
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// apiKey: "DxvRiQWROzLTapiSHcK0FXKAAXDBlhci1XaqTTpr50sgUsAkmxfUJQQJ99BIACYeBjFXJ3w3AAABACOGZdHp", // 推荐放环境变量
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// baseURL: "https://satabot.openai.azure.com/openai/deployments/gpt-4.1/chat/completions?api-version=2025-01-01-preview",
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// defaultQuery: { "api-version": "2024-02-15-preview" },
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// defaultHeaders: { "api-key": process.env.AZURE_OPENAI_KEY },
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// timeout: 120000
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// });
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// https://satabot.openai.azure.com/openai/deployments/gpt-4.1/
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// https://satabot.openai.azure.com/openai/deployments/gpt-5-mini/
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// 初始化客户端
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const client = new OpenAI({
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apiKey: "DxvRiQWROzLTapiSHcK0FXKAAXDBlhci1XaqTTpr50sgUsAkmxfUJQQJ99BIACYeBjFXJ3w3AAABACOGZdHp",
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baseURL: "https://satabot.openai.azure.com/openai/deployments/gpt-4.1",
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defaultQuery: { "api-version": "2024-04-01-preview" },
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timeout: 120000,
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fetch: fetchIPv4, // 关键点：把自定义 fetch 注入 SDK
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// 确保底层也传 agent（可选，但保险）
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baseOptions: {
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agent: ipv4Agent
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}
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});
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const client1 = new OpenAI({
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apiKey: "DxvRiQWROzLTapiSHcK0FXKAAXDBlhci1XaqTTpr50sgUsAkmxfUJQQJ99BIACYeBjFXJ3w3AAABACOGZdHp",
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baseURL: "https://satabot.openai.azure.com/openai/deployments/gpt-5-mini/",
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defaultQuery: { "api-version": "2024-04-01-preview" },
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timeout: 120000,
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fetch: fetchIPv4, // 关键点：把自定义 fetch 注入 SDK
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// 确保底层也传 agent（可选，但保险）
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baseOptions: {
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agent: ipv4Agent
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}
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});
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async function test1()
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{
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console.time("test");
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await client.chat.completions.create({
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model: "gpt-4.1", // 注意：这里必须是你在 Azure portal 里创建的“部署名称”
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messages: [
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{ role: "user", content: "ping" }
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]
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});
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console.timeEnd("test");
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}
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async function directCall()
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{
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console.time("directCall");
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await client1.chat.completions.create({ model:"gpt-5-mini", messages:[{ role: "user", content: "ping" }] });
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console.timeEnd("directCall");
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}
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test1();
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directCall();
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// 获取 access_token
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// getAccessToken();
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async function getAccessToken() {
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const url = `https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=${appid}&secret=${secret}`;
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const res = await axios.get(url);
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if (res.data.access_token) {
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console.log('✅ 获取 access_token 成功',res.data);
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return res.data.access_token;
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} else {
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throw new Error('❌ 获取 access_token 失败: ' + JSON.stringify(res.data));
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}
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}
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const WECHAT_OAUTH_TOKEN_URL = 'https://api.weixin.qq.com/sns/oauth2/access_token';
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app.get('/wechat/oauth/access-token', async (req, res) => {
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try {
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console.log(req.query)
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// 1. 接收并校验前端传递的 code 参数
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const { code } = req.query; // 从URL查询参数中获取 code
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if (!code) {
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return res.status(400).json({
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code: -1,
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message: '参数错误：缺少 code（微信授权临时票据）'
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});
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}
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// 3. 调用微信 OAuth2 接口，传递必要参数
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const response = await axios.get(WECHAT_OAUTH_TOKEN_URL, {
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params: {
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appid: "wx364b8ebf17fe45fe", // 你的微信appid
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secret: "9b7476020991a2c71f1416da7f011d31", // 你的微信secret
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code: code, // 前端传递的授权code
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grant_type: 'authorization_code' // 固定值
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}
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});
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// 4. 处理微信返回的结果
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const wechatData = response.data;
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// 微信接口失败（返回 errcode 字段）
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if (wechatData.errcode) {
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throw new Error(`微信接口错误：${wechatData.errmsg}（错误码：${wechatData.errcode}）`);
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}
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// 5. 成功响应：返回微信返回的所有信息（包含 access_token、openid 等）
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res.status(200).json({
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code: 0,
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message: '获取 OAuth2 access_token 成功',
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data: wechatData // 包含 access_token、expires_in、refresh_token、openid 等
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});
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} catch (error) {
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// 异常处理：捕获网络错误、微信接口错误等
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console.error('获取 OAuth2 access_token 失败：', error.message);
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res.status(500).json({
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code: -3,
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message: '获取 access_token 失败：' + error.message
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});
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}
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});
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/*菜单部分 */
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async function createMenu() {
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const accessToken = await getAccessToken();
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const url = `https://api.weixin.qq.com/cgi-bin/menu/create?access_token=${accessToken}`;
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const target = encodeURIComponent("https://ai.satabot.com/?from=weixin");
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const menuData = {
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"button": [
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||
{
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||
"name": "产品中心",
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||
"sub_button": [
|
||
{
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||
"type": "view",
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||
"name": "整机产品",
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||
"url": "http://www.jsmaibu.com/products/"
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},
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{
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"type": "view",
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"name": "智能电控",
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"url": "http://www.jsmaibu.com/Products/%E6%8E%A7%E5%88%B6%E5%99%A8%20MC100.html"
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},
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{
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||
"type": "view",
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"name": "资料下载",
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"url": "http://www.jsmaibu.com/Support/Download.html"
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},
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// {
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// "type": "click",
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// "name": "AI智能体",
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// "key": "AI_INTELLIGENT"
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// }
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{
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"type": "view",
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"name": "AI智能体",
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// "url":`https://open.weixin.qq.com/connect/oauth2/authorize?appid=wx364b8ebf17fe45fe&redirect_uri= encodeURIComponent("https://ai.satabot.com/?from=weixin")&response_type=code&scope=snsapi_login&state=123#wechat_redirect`,
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"url": "https://ai.satabot.com/middle.html"
|
||
|
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}
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]
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||
},
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||
{
|
||
"name": "服务中心",
|
||
"sub_button": [
|
||
{
|
||
"type": "view",
|
||
"name": "解决方案",
|
||
"url": "http://www.jsmaibu.com/Solution.html"
|
||
},
|
||
{
|
||
"type": "view",
|
||
"name": "培训视频",
|
||
"url": "http://www.jsmaibu.com/Support/index.html"
|
||
},
|
||
{
|
||
"type": "view",
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||
"name": "一键呼叫",
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||
"url": "http://www.jsmaibu.com/contact/"
|
||
}
|
||
]
|
||
},
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||
{
|
||
"name": "飒沓智能",
|
||
"sub_button": [
|
||
{
|
||
"type": "view",
|
||
"name": "关于我们",
|
||
"url": "http://www.jsmaibu.com/about-us.html#start"
|
||
},
|
||
{
|
||
"type": "view",
|
||
"name": "加入我们",
|
||
"url": "https://www.zhipin.com/gongsi/job/d1e30046e726d2d01nN72Ni4EFQ~.html?ka=all-jobs-hot"
|
||
}
|
||
]
|
||
}
|
||
]
|
||
};
|
||
const res = await axios.post(url, menuData);
|
||
if (res.data.errcode === 0) {
|
||
console.log('✅ 菜单创建成功');
|
||
} else {
|
||
console.error('❌ 菜单创建失败:', res.data);
|
||
}
|
||
}
|
||
// ========== 查询菜单 ==========
|
||
async function getMenu() {
|
||
const accessToken = await getAccessToken();
|
||
const url = `https://api.weixin.qq.com/cgi-bin/menu/get?access_token=${accessToken}`;
|
||
const res = await axios.get(url);
|
||
return res.data;
|
||
}
|
||
|
||
// ========== 删除菜单（可选）==========
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async function deleteMenu() {
|
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const accessToken = await getAccessToken();
|
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const url = `https://api.weixin.qq.com/cgi-bin/menu/delete?access_token=${accessToken}`;
|
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const res = await axios.get(url);
|
||
return res.data;
|
||
}
|
||
|
||
app.get('/createMenu', async (req, res) => {
|
||
try {
|
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await createMenu();
|
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res.send('✅ 菜单创建成功！');
|
||
} catch (err) {
|
||
res.send('❌ 创建失败: ' + err.message);
|
||
}
|
||
});
|
||
app.get('/getMenu', async (req, res) => {
|
||
try {
|
||
const data = await getMenu();
|
||
res.json(data);
|
||
} catch (err) {
|
||
res.send('❌ 查询失败: ' + err.message);
|
||
}
|
||
});
|
||
|
||
app.get('/deleteMenu', async (req, res) => {
|
||
try {
|
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const data = await deleteMenu();
|
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res.json(data);
|
||
} catch (err) {
|
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res.send('❌ 删除失败: ' + err.message);
|
||
}
|
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});
|
||
|
||
|
||
|
||
app.post('/wechat', async (req, res) => {
|
||
try {
|
||
console.log("收到请求:", req.body);
|
||
const xml = req.body;
|
||
const message = xml.xml;
|
||
|
||
// 修复语法错误：移除msgtype前的空格
|
||
const msgType = message.msgtype;
|
||
const fromUser = message.fromusername; // openid
|
||
const toUser = message.tousername; // 公众号原始ID
|
||
|
||
console.log("消息类型:", msgType);
|
||
console.log("用户OpenID:", fromUser);
|
||
|
||
// 菜单点击事件
|
||
if (msgType === 'event' && message.event === 'CLICK') {
|
||
const key = message.eventkey;
|
||
console.log("菜单点击Key:", key);
|
||
|
||
if (key === 'AI_INTELLIGENT') {
|
||
try {
|
||
const timestamp = Date.now();
|
||
// 方案一：简单文本回复（推荐，避免超时）
|
||
const reply = `
|
||
<xml>
|
||
<ToUserName><![CDATA[${fromUser}]]></ToUserName>
|
||
<FromUserName><![CDATA[${toUser}]]></FromUserName>
|
||
<CreateTime>${Date.now()}</CreateTime>
|
||
<MsgType><![CDATA[text]]></MsgType>
|
||
<Content><![CDATA[欢迎使用AI智能体！正在为您准备服务...<a href="https://ai.satabot.com?userId=${fromUser}&from=weixin&ts=${timestamp}" target="_blank">立即进入AI智能体</a>]]></Content>
|
||
</xml>
|
||
`;
|
||
res.send(reply);
|
||
return;
|
||
|
||
// 启动异步任务处理耗时操作
|
||
setTimeout(async () => {
|
||
try {
|
||
const token = await getAccessToken();
|
||
console.log("获取到Token:", token);
|
||
|
||
// 获取用户信息
|
||
|
||
const userRes = await axios.get('https://api.weixin.qq.com/sns/userinfo', {
|
||
params: {
|
||
access_token:token,
|
||
fromUser,
|
||
lang: 'zh_CN'
|
||
}
|
||
});
|
||
console.log(userRes, 'user000000000000');
|
||
// res.redirect('https://ai.satabot.com');
|
||
const { nickname, errcode: userErrCode } = userRes.data;
|
||
console.log(nickname, 'nickname');
|
||
return;
|
||
if (userErrCode) return res.status(500).send(`获取用户信息失败：${userErrCode}`);
|
||
const userInfoRes = await axios.get(
|
||
`https://api.weixin.qq.com/cgi-bin/user/info?access_token=${token}&openid=${fromUser}&lang=zh_CN`
|
||
);
|
||
|
||
const user = userInfoRes.data;
|
||
console.log("用户信息:", user);
|
||
|
||
// 使用客服消息接口发送详细回复
|
||
if (user && user.nickname) {
|
||
await sendCustomerServiceMessage(fromUser, `你好，${user.nickname}！欢迎使用AI智能体`);
|
||
}
|
||
} catch (err) {
|
||
console.error("异步处理错误:", err);
|
||
}
|
||
}, 0);
|
||
|
||
return;
|
||
|
||
// 方案二：直接回复（如果能确保5秒内完成）
|
||
/*
|
||
const token = await getAccessToken();
|
||
console.log("Token:", token);
|
||
|
||
const userInfoRes = await axios.get(
|
||
`https://api.weixin.qq.com/cgi-bin/user/info?access_token=${token}&openid=${fromUser}&lang=zh_CN`
|
||
);
|
||
|
||
const user = userInfoRes.data;
|
||
console.log("用户信息:", user);
|
||
|
||
const reply = `
|
||
<xml>
|
||
<ToUserName><![CDATA[${fromUser}]]></ToUserName>
|
||
<FromUserName><![CDATA[${toUser}]]></FromUserName>
|
||
<CreateTime>${Date.now()}</CreateTime>
|
||
<MsgType><![CDATA[text]]></MsgType>
|
||
<Content><![CDATA[你好，${user.nickname || '用户'}！欢迎使用AI智能体]]></Content>
|
||
</xml>
|
||
`;
|
||
res.send(reply);
|
||
return;
|
||
*/
|
||
} catch (err) {
|
||
console.error("处理AI_INTELLIGENT错误:", err);
|
||
// 出错时返回标准回复
|
||
const errorReply = `
|
||
<xml>
|
||
<ToUserName><![CDATA[${fromUser}]]></ToUserName>
|
||
<FromUserName><![CDATA[${toUser}]]></FromUserName>
|
||
<CreateTime>${Date.now()}</CreateTime>
|
||
<MsgType><![CDATA[text]]></MsgType>
|
||
<Content><![CDATA[服务暂时不可用，请稍后再试]]></Content>
|
||
</xml>
|
||
`;
|
||
res.send(errorReply);
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
|
||
// 默认回复空串（表示不处理）
|
||
res.send('');
|
||
|
||
} catch (err) {
|
||
console.error("服务器错误:", err);
|
||
// 异常情况下回复空串
|
||
res.send('');
|
||
}
|
||
});
|
||
|
||
|
||
// app.post('/wechat', async (req, res) => {
|
||
// try {
|
||
// console.log(req,"收到恢复")
|
||
// const xml = req.body;
|
||
// console.log(xml);
|
||
// const message = xml.xml;
|
||
|
||
// const msgType = message.msgtype;
|
||
// const fromUser = message.fromusername; // openid
|
||
|
||
// // 菜单点击事件
|
||
// if (msgType === 'event' && message.event === 'CLICK') {
|
||
// const key = message.eventkey;
|
||
|
||
// if (key === 'AI_INTELLIGENT') {
|
||
// const redirectUri = encodeURIComponent(`https://ai.satabot.com/api/wechat/oauth/callback`);
|
||
// const state = fromUser; // 可用 openid 做状态标识
|
||
// console.log(state,"state")
|
||
// // const oauthUrl = `https://open.weixin.qq.com/connect/oauth2/authorize?appid=${appid}&redirect_uri=${redirectUri}&response_type=code&scope=snsapi_userinfo&state=${state}#wechat_redirect`;
|
||
// // console.log("oauthUrl",oauthUrl)
|
||
// // // 回复用户点击菜单提示，引导跳转
|
||
// // const reply = `
|
||
// // <xml>
|
||
// // <ToUserName><![CDATA[${fromUser}]]></ToUserName>
|
||
// // <FromUserName><![CDATA[${message.ToUserName}]]></FromUserName>
|
||
// // <CreateTime>${Date.now()}</CreateTime>
|
||
// // <MsgType><![CDATA[text]]></MsgType>
|
||
// // <Content><![CDATA[请点击以下链接授权获取昵称：${oauthUrl}]]></Content>
|
||
// // </xml>
|
||
// // `;
|
||
// // res.send(reply);
|
||
// // return;
|
||
// const token = await getAccessToken();
|
||
// console.log(token,"token")
|
||
// // 获取用户信息
|
||
// // https://api.weixin.qq.com/cgi-bin/user/info?access_token=ACCESS_TOKEN&openid=o6_bmjrPTlm6_2sgVt7hMZOPfL2M&lang=zh_CN
|
||
// const userInfoRes = await axios.get(`https://api.weixin.qq.com/cgi-bin/user/info?access_token=${token}&openid=${fromUser}&lang=zh_CN`);
|
||
// // https://open.weixin.qq.com/connect/oauth2/authorize?appid=APPID&redirect_uri=ENCODED_URL&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect
|
||
|
||
// const user = userInfoRes.data;
|
||
// console.log(userInfoRes,'用户信息')
|
||
|
||
// // 回复文本消息
|
||
// const reply = `
|
||
// <xml>
|
||
// <ToUserName><![CDATA[${fromUser}]]></ToUserName>
|
||
// <FromUserName><![CDATA[${message.fromUser}]]></FromUserName>
|
||
// <CreateTime>${Date.now()}</CreateTime>
|
||
// <MsgType><![CDATA[text]]></MsgType>
|
||
// <Content><![CDATA[你好，${user.nickname}！欢迎使用 AI智能体]]></Content>
|
||
// </xml>
|
||
// `;
|
||
// res.send(xml);
|
||
// return;
|
||
// }
|
||
// }
|
||
|
||
// // 默认回复空
|
||
// res.send('success');
|
||
|
||
// } catch (err) {
|
||
// console.error(err);
|
||
// res.send('success');
|
||
// }
|
||
// });
|
||
|
||
// OAuth2 回调
|
||
app.get('/wechat/oauth/callback', async (req, res) => {
|
||
try {
|
||
const { code, state } = req.query;
|
||
console.log(code,"code")
|
||
|
||
|
||
// 用 code 换取 access_token 和 openid
|
||
const tokenResp = await axios.get(
|
||
`https://api.weixin.qq.com/sns/oauth2/access_token?appid=${appid}&secret=${secret}&code=${code}&grant_type=authorization_code`
|
||
);
|
||
const { access_token, openid } = tokenResp.data;
|
||
|
||
// 拉取用户信息
|
||
const userInfoResp = await axios.get(
|
||
`https://api.weixin.qq.com/sns/userinfo?access_token=${access_token}&openid=${openid}&lang=zh_CN`
|
||
);
|
||
const user = userInfoResp.data;
|
||
|
||
console.log(user, "获取到用户信息");
|
||
|
||
// 你可以直接跳转到前端页面并带上用户信息
|
||
res.redirect(`https://ai.satabot.com?nickname=${encodeURIComponent(user.nickname)}&openid=${openid}`);
|
||
} catch (err) {
|
||
console.error(err);
|
||
res.send("获取用户信息失败");
|
||
}
|
||
});
|
||
|
||
|
||
|
||
|
||
app.get("/test-db", async (req, res) => {
|
||
try {
|
||
await pool.query(
|
||
"INSERT INTO ai_chat_messages (session_id, role, content) VALUES (?, 'user', ?)",
|
||
["sess1", "hello"]
|
||
);
|
||
res.send("OK");
|
||
} catch (err) {
|
||
console.error(err);
|
||
res.send("FAIL");
|
||
}
|
||
});
|
||
|
||
app.get("/wechat/userinfo", async (req, res) => {
|
||
const { code } = req.query;
|
||
if (!code) return res.status(400).send("缺少 code");
|
||
|
||
try {
|
||
// 1. 用 code 换取 access_token 和 openid
|
||
const tokenResp = await axios.get(
|
||
`https://api.weixin.qq.com/sns/oauth2/access_token?appid=${appid}&secret=${secret}&code=${code}&grant_type=authorization_code`
|
||
);
|
||
const { access_token, openid } = tokenResp.data;
|
||
|
||
// 2. 拉取用户信息
|
||
const userRes = await axios.get(
|
||
`https://api.weixin.qq.com/sns/userinfo?access_token=${access_token}&openid=${openid}&lang=zh_CN`
|
||
);
|
||
const userInfo = userRes.data;
|
||
|
||
// 3. 返回给前端
|
||
res.json({ code: 0, data: userInfo });
|
||
} catch (err) {
|
||
console.error(err);
|
||
res.status(500).send("获取用户信息失败");
|
||
}
|
||
});
|
||
app.post("/user", async (req, res) => {
|
||
try {
|
||
const { userId } = req.body; // 从请求体里拿到 user_id
|
||
|
||
|
||
if (!userId&&userId!="NaN") {
|
||
res.json({
|
||
code: 300,
|
||
error: "http://ri.satabot.com/#/login?goRemote=1",
|
||
msg:"未找到该用户"
|
||
});
|
||
return;
|
||
}
|
||
|
||
// 查询 user_name
|
||
const [rows] = await pool.query(
|
||
"SELECT user_name FROM sys_user WHERE user_id = ?",
|
||
[userId]
|
||
);
|
||
|
||
if (rows.length === 0) {
|
||
res.json({
|
||
code: 300,
|
||
error: "http://ri.satabot.com/#/login?goRemote=1",
|
||
msg:"未找到该用户"
|
||
});
|
||
return;
|
||
}
|
||
|
||
res.json({ code:0,userId, userName: rows[0].user_name });
|
||
} catch (err) {
|
||
console.error(err);
|
||
res.status(500).send("服务器错误");
|
||
}
|
||
});
|
||
|
||
app.post("/getuserByopenid", async (req, res) => {
|
||
try {
|
||
const { userId } = req.body; // 从请求体里拿到 user_id
|
||
|
||
if (!userId) {
|
||
return res.status(400).send("缺少 user_id");
|
||
}
|
||
|
||
// 查询 user_name
|
||
const [rows] = await pool.query(
|
||
"SELECT * FROM sys_user WHERE open_id = ?",
|
||
[userId]
|
||
);
|
||
if (rows.length > 0) {
|
||
// 用户存在，直接返回
|
||
res.json({ code: 0, msg: "找到该用户",userId:rows[0].user_id });
|
||
return
|
||
} else {
|
||
// 用户不存在，插入新用户
|
||
const [result] = await pool.query(
|
||
"INSERT INTO sys_user (open_id,user_name,nick_name) VALUES (?,?,?)",
|
||
[userId,userId,userId]
|
||
);
|
||
console.log(result,"udgwehvdh")
|
||
res.json({code:0,msg:"新增该用户",userId:result.insertId});
|
||
return ;
|
||
}
|
||
} catch (err) {
|
||
console.error(err);
|
||
res.status(500).send("服务器错误");
|
||
}
|
||
});
|
||
|
||
|
||
|
||
|
||
app.get('/wechat', (req, res) => {
|
||
const { signature, timestamp, nonce, echostr } = req.query;
|
||
console.log(req, "req");
|
||
const arr = [TOKEN, timestamp, nonce].sort();
|
||
const str = arr.join('');
|
||
const hash = crypto.createHash('sha1').update(str).digest('hex');
|
||
if (hash === signature) res.send(echostr);
|
||
else res.send('验证失败');
|
||
});
|
||
|
||
// 查询用户所有会话列表
|
||
app.get("/sessions", async (req, res) => {
|
||
|
||
console.log("收到的 userId:", req.query.userId);
|
||
try {
|
||
const userId = req.query.userId;
|
||
if (!userId || userId == "NaN" || isNaN(Number(userId)))
|
||
{
|
||
console.log("userId:", req.query.userId);
|
||
res.json({
|
||
code: 300,
|
||
// error:'https://gsgg.com'
|
||
// error: "http://ri.satabot.com/#/dhhdghgbshwadhg"
|
||
error: "http://ri.satabot.com/#/login?goRemote=1"
|
||
});
|
||
return;
|
||
// return res.status(500).json({ code: 505, error: "http://1.95.137.212/#/login?redirect=%2Findex&goRemote=1" });
|
||
// return res.redirect('http://1.95.137.212/#/login?redirect=%2Findex&goRemote=1');
|
||
}
|
||
|
||
// return;
|
||
// 查该用户所有的会话，按最后活跃时间倒序
|
||
// const [rows] = await pool.query(
|
||
// `
|
||
// SELECT session_id,title,MAX(created_at) AS last_time
|
||
// FROM ai_chat_messages
|
||
// WHERE user_id = ?
|
||
// GROUP BY session_id
|
||
// ORDER BY last_time DESC
|
||
// `,
|
||
// [userId]
|
||
// );
|
||
// const [rows] = await pool.query(`
|
||
// SELECT m.session_id, m.title
|
||
// FROM ai_chat_messages m
|
||
// INNER JOIN (
|
||
// SELECT session_id, MAX(created_at) AS last_time
|
||
// FROM ai_chat_messages
|
||
// WHERE user_id = ?
|
||
// GROUP BY session_id
|
||
// ) t ON m.session_id = t.session_id AND m.created_at = t.last_time
|
||
// WHERE m.user_id = ?
|
||
// ORDER BY t.last_time ASC
|
||
// `, [userId, userId]);
|
||
const [rows] = await pool.query(`
|
||
SELECT session_id, title
|
||
FROM ai_chat_messages
|
||
WHERE user_id = ?
|
||
AND title IS NOT NULL
|
||
AND title != ''
|
||
GROUP BY session_id
|
||
ORDER BY MIN(created_at) ASC
|
||
`, [userId]);
|
||
|
||
res.json({
|
||
code: 0,
|
||
sessions: rows.map(r => ({
|
||
sessId: r.session_id,
|
||
title: r.title
|
||
}))
|
||
});
|
||
}
|
||
catch (err)
|
||
{
|
||
console.error("查询会话列表失败:", err);
|
||
res.status(500).json({ code: 1, error: err.message });
|
||
}
|
||
});
|
||
|
||
// 查询会话历史
|
||
app.get("/history", async (req, res) => {
|
||
try
|
||
{
|
||
if(!req.query?.sessionId || req.query?.sessionId == "NaN")
|
||
{
|
||
return res.status(400).json({ code: 1, error: "sessionId 必填" });
|
||
}
|
||
const { sessionId } = req.query;
|
||
|
||
// 查询数据库
|
||
const [rows] = await pool.query(
|
||
"SELECT user_id, role, content, image_base64, created_at,title FROM ai_chat_messages WHERE session_id = ? ORDER BY id ASC",
|
||
[sessionId]
|
||
);
|
||
|
||
res.json({
|
||
code: 0,
|
||
sessionId,
|
||
messages: rows,
|
||
});
|
||
} catch (err) {
|
||
console.error("查询会话历史失败:", err);
|
||
res.status(500).json({ code: 1, error: err.message });
|
||
}
|
||
});
|
||
|
||
// 删除指定会话及其消息
|
||
app.delete("/session", async (req, res) => {
|
||
try
|
||
{
|
||
console.log("会话删除:", req.query);
|
||
|
||
// if (!sessionId || !userId)
|
||
if (req.query?.userId == "NaN" || !req.query?.userId || !req.query?.sessionId || req.query?.sessionId == "NaN")
|
||
{
|
||
return res.status(400).json({ code: 1, error: "sessionId 和 userId 必填" });
|
||
}
|
||
|
||
const { sessionId, userId } = req.query;
|
||
|
||
// 确保只能删除自己的会话
|
||
const [rows] = await pool.query(
|
||
"SELECT COUNT(*) as cnt FROM ai_chat_messages WHERE session_id = ? AND user_id = ?",
|
||
[sessionId, userId]
|
||
);
|
||
|
||
if (rows[0].cnt === 0) {
|
||
return res.status(404).json({ code: 1, error: "会话不存在或无权限" });
|
||
}
|
||
|
||
// 删除该 session 的所有消息
|
||
await pool.query(
|
||
"DELETE FROM ai_chat_messages WHERE session_id = ? AND user_id = ?",
|
||
[sessionId, userId]
|
||
);
|
||
|
||
res.json({
|
||
code: 0,
|
||
message: `会话 ${sessionId} 已删除`,
|
||
});
|
||
}
|
||
catch (err)
|
||
{
|
||
console.error("删除会话失败:", err);
|
||
res.status(500).json({ code: 1, error: err.message });
|
||
}
|
||
});
|
||
|
||
// 新建会话（实际上就是往消息表里插入一条记录）
|
||
app.post("/session", async (req, res) => {
|
||
try
|
||
{
|
||
console.log("新建会话: ",req.body)
|
||
|
||
if (req.body?.userId == "NaN" || !req.body?.userId || !req.body?.sessionId || req.body?.sessionId == "NaN")
|
||
{
|
||
console.log("=== userId: ",req.body?.userId)
|
||
return res.status(400).json({ code: 1, error: "userId 和 sessionId 必填" });
|
||
}
|
||
|
||
const { userId, sessionId } = req.body;
|
||
|
||
// 插入一条“新会话”的首条消息，可以是空内容
|
||
await pool.query(
|
||
"INSERT INTO ai_chat_messages (user_id, session_id, role, content) VALUES (?, ?, 'system', '')",
|
||
[userId, sessionId]
|
||
);
|
||
|
||
res.json({
|
||
code: 0,
|
||
message: `会话 ${sessionId} 已创建`,
|
||
});
|
||
}
|
||
catch (err)
|
||
{
|
||
console.error("创建会话失败:", err);
|
||
res.status(500).json({ code: 1, error: err.message });
|
||
}
|
||
});
|
||
|
||
const stopFlags = new Map();
|
||
|
||
|
||
|
||
const { Mutex } = require('async-mutex');
|
||
const aiChatNum = new Map(); // userId -> number
|
||
const mutexes = new Map(); // userId -> Mutex
|
||
|
||
function getMutex(userId) {
|
||
if (!mutexes.has(userId)) mutexes.set(userId, new Mutex());
|
||
return mutexes.get(userId);
|
||
}
|
||
|
||
async function setQuota(userId,num) {
|
||
const m = getMutex(userId);
|
||
return await m.runExclusive(async () => {
|
||
console.log("更新用户对话次数:", userId, num);
|
||
aiChatNum.set(userId, num);
|
||
});
|
||
}
|
||
|
||
async function hasQuota(userId) {
|
||
const m = getMutex(userId);
|
||
return await m.runExclusive(async () => {
|
||
console.log("更新用户对话次数:", userId, num);
|
||
return aiChatNum.has(userId);
|
||
});
|
||
}
|
||
|
||
async function getQuota(userId) {
|
||
const m = getMutex(userId);
|
||
return await m.runExclusive(async () => {
|
||
console.log("更新用户对话次数:", userId, num);
|
||
return aiChatNum.get(userId);
|
||
});
|
||
}
|
||
|
||
|
||
async function removeQuota(userId) {
|
||
const m = getMutex(userId);
|
||
return await m.runExclusive(async () => {
|
||
aiChatNum.delete(userId);
|
||
});
|
||
}
|
||
|
||
// ====================== API ======================
|
||
app.post("/updateAiChatNum", async (req, res) => {
|
||
const { userId } = req.body;
|
||
console.log(userId,98888888888);
|
||
if(!hasQuota(userId)){
|
||
return res.status(400).json({ error: "用户不存在" });
|
||
}else{
|
||
// 删除当前内存map存放的可用数量
|
||
removeQuota(userId);
|
||
await pool.query(
|
||
"update sys_user set ai_chat_num = ? where user_id= ?",
|
||
[aiChatNum.get(userId),userId]
|
||
);
|
||
res.json({ code: 0, message: "更新成功" });
|
||
}
|
||
})
|
||
|
||
app.post("/analyze", upload.single("file"), async (req, res) => {
|
||
try
|
||
{
|
||
const { userId } = req.body;
|
||
if(!hasQuota(userId)){
|
||
const [userRemainChatNum] = await pool.query(
|
||
"SELECT ai_chat_num from sys_user where user_id= ?",
|
||
[userId]
|
||
);
|
||
if (userRemainChatNum.length>0) {
|
||
setQuota(userId,userRemainChatNum[0].ai_chat_num);
|
||
}
|
||
}else{
|
||
if(getQuota(userId)<=0 && getQuota(userId)!==-1){
|
||
return res.status(400).json({ error: "对话次数已用完，请完成账号注册" });
|
||
}
|
||
}
|
||
|
||
|
||
const { requestId } = req.body;
|
||
|
||
|
||
res.setHeader("Content-Type", "text/plain; charset=utf-8");
|
||
res.setHeader("Transfer-Encoding", "chunked");
|
||
res.setHeader("Cache-Control", "no-cache");
|
||
res.setHeader("Connection", "keep-alive");
|
||
let aborted = false;
|
||
req.on("close", () => {
|
||
console.log("🔴 前端断开连接，停止整个分析流程");
|
||
aborted = true;
|
||
});
|
||
|
||
|
||
console.time("analyze");
|
||
const logBody = { ...req.body };
|
||
if(req.body?.imageBase64)
|
||
{
|
||
delete logBody.imageBase64;
|
||
}
|
||
console.log("analyze: ", logBody);
|
||
|
||
// console.log("analyze: ",req.body)
|
||
if (!req.body?.userId || !req.body?.sessionId)
|
||
{
|
||
console.log("缺少必要参数");
|
||
return res.status(400).json({ error: "缺少必要参数" });
|
||
}
|
||
const { userPrompt, imageBase64, sessionId } = req.body;
|
||
const [rows] = await pool.query(
|
||
`
|
||
SELECT EXISTS(
|
||
SELECT 1
|
||
FROM ai_chat_messages
|
||
WHERE session_id = ?
|
||
AND user_id = ?
|
||
AND title IS NOT NULL
|
||
AND title != ''
|
||
) AS hasTitle
|
||
`,
|
||
[sessionId, userId]
|
||
);
|
||
|
||
const existingTitle = rows[0].hasTitle === 1; // true / false
|
||
console.log(existingTitle, rows?.[0], 9999, rows)
|
||
|
||
// 如果前端没有传 sessionId，生成一个
|
||
const sessId = sessionId || Date.now().toString();
|
||
|
||
// ------------------ 获取历史对话（上下文） ------------------
|
||
const [historyRows] = await pool.query(
|
||
"SELECT role, content, image_base64 FROM ai_chat_messages WHERE session_id = ? AND user_id = ? ORDER BY created_at ASC",
|
||
[sessId, userId || null]
|
||
);
|
||
|
||
// 构建历史消息数组
|
||
const historyMessages = historyRows.map(row => {
|
||
const message = {
|
||
role: row.role,
|
||
content: []
|
||
};
|
||
|
||
// 添加文本内容
|
||
if (row.content)
|
||
{
|
||
message.content.push({ type: "text", text: row.content });
|
||
}
|
||
|
||
// 添加图片内容
|
||
if (row.image_base64)
|
||
{
|
||
message.content.push({
|
||
type: "image_url",
|
||
image_url: {
|
||
url: row.image_base64.startsWith("data:")
|
||
? row.image_base64
|
||
: `data:image/png;base64,${row.image_base64}`,
|
||
}
|
||
});
|
||
}
|
||
|
||
return message;
|
||
});
|
||
|
||
|
||
// ------------------ 保存用户提问 ------------------
|
||
await pool.query(
|
||
"INSERT INTO ai_chat_messages (session_id, user_id, role, content, image_base64) VALUES (?, ?, 'user', ?, ?)",
|
||
[sessId, userId || null, userPrompt || "", imageBase64 || null]
|
||
);
|
||
|
||
// console.log("userPrompt: ",userPrompt);
|
||
// console.log("imageBase64: ",imageBase64);
|
||
// console.log("userId: ",userId);
|
||
// console.log("sessionId: ",sessionId);
|
||
|
||
// ------------------ 图像分析 ------------------
|
||
// 构建包含上下文的消息数组
|
||
const imageAnalysisMessages = [
|
||
{
|
||
role: "system",
|
||
content: "你是一名图像分析专家，需要结合历史对话内容分析当前图像。"
|
||
},
|
||
...historyMessages, // 添加历史对话作为上下文
|
||
{
|
||
role: "user",
|
||
content: [
|
||
{ type: "text", text: userPrompt || "请描述图片内容。" },
|
||
imageBase64
|
||
? {
|
||
type: "image_url",
|
||
image_url: {
|
||
url: imageBase64.startsWith("data:")
|
||
? imageBase64
|
||
: `data:image/png;base64,${imageBase64}`,
|
||
},
|
||
}
|
||
: null,
|
||
].filter(Boolean),
|
||
},
|
||
];
|
||
|
||
const completion = await client.chat.completions.create({
|
||
model: "gpt-4.1",
|
||
stream: true,
|
||
messages: imageAnalysisMessages
|
||
});
|
||
|
||
console.log("====== 开始图像分析... ======")
|
||
let sceneText = "";
|
||
|
||
/* TLS 加密缓冲,小块数据可能先缓存在服务器端，不立即发送,会导致图像分析模型的结果不能立即返回 */
|
||
res.writeHead(200, {
|
||
"Content-Type": "text/event-stream",
|
||
"Cache-Control": "no-cache",
|
||
"Connection": "keep-alive",
|
||
});
|
||
res.socket.setNoDelay(true);
|
||
|
||
for await (const chunk of completion)
|
||
{
|
||
if (stopFlags.get(requestId)) {
|
||
console.log("⛔ 图像分析被前端中断");
|
||
res.end();
|
||
stopFlags.delete(requestId); // 用完清理
|
||
return;
|
||
}
|
||
const delta = chunk.choices[0]?.delta?.content || "";
|
||
sceneText += delta;
|
||
|
||
if (delta)
|
||
{
|
||
res.write(
|
||
`data: ${JSON.stringify({ type: "scene", content: delta })}\n\n`
|
||
);
|
||
}
|
||
|
||
// if (delta)
|
||
// {
|
||
// for (const ch of delta)
|
||
// {
|
||
// res.write(`data: ${JSON.stringify({ type: "scene", content: ch })}\n\n`);
|
||
// await new Promise(r => setTimeout(r, 0)); // 控制渲染节奏
|
||
// }
|
||
// }
|
||
}
|
||
console.log("====== 图像分析结束 ======")
|
||
|
||
// 保存图像分析结果到数据库
|
||
// await pool.query(
|
||
// "INSERT INTO ai_chat_messages (session_id, user_id, role, content) VALUES (?, ?, 'assistant', ?)",
|
||
// [sessId, userId || null, sceneText]
|
||
// );
|
||
|
||
// ------------------ 3️⃣ LLM 分析 ------------------
|
||
// console.log("LLM 分析 sceneText: ", sceneText)
|
||
// const preText = "详细分析这个光伏场站，根据图片给出详细的运维方案"
|
||
// + "如果这个光伏场站需要割草怎么做，给出一份详细的计划"
|
||
// + "如果这个光伏场站需要用无人机清洗怎么做，给出一份详细的计划"
|
||
// + "如果这个光伏场站需要巡检怎么做，给出一份详细的计划"
|
||
|
||
// 构建包含完整上下文的LLM消息数组
|
||
const llmMessages = [
|
||
{
|
||
role: "system",
|
||
content: "你是一名新能源项目的图像分析AI分析师，需要结合历史对话提供专业建议。"
|
||
},
|
||
...historyMessages, // 添加历史对话作为上下文
|
||
{
|
||
role: "user",
|
||
content: userPrompt || "请基于图片分析提供建议。"
|
||
},
|
||
{
|
||
role: "assistant",
|
||
content: sceneText // 添加当前图像分析结果
|
||
}
|
||
];
|
||
|
||
const llmStream = await client1.chat.completions.create({
|
||
model: "gpt-5-mini",
|
||
stream: true,
|
||
messages: llmMessages
|
||
});
|
||
|
||
console.log("====== 开始深度思考... ======")
|
||
let llmText = "";
|
||
for await (const chunk of llmStream)
|
||
{
|
||
if (stopFlags.get(requestId)) {
|
||
console.log("⛔ 深度分析被前端中断");
|
||
res.end();
|
||
stopFlags.delete(requestId);
|
||
return;
|
||
}
|
||
const delta = chunk.choices[0]?.delta?.content || "";
|
||
llmText += delta;
|
||
|
||
if (delta)
|
||
res.write(
|
||
`data: ${JSON.stringify({ type: "llm", content: delta})}\n\n`
|
||
);
|
||
|
||
|
||
/* delta 很长，这会 人为拉长处理时间。 */
|
||
// if (delta)
|
||
// {
|
||
// for (const ch of delta)
|
||
// {
|
||
// res.write(`data: ${JSON.stringify({ type: "llm", content: ch })}\n\n`);
|
||
// await new Promise(r => setTimeout(r, 0)); // 控制渲染节奏
|
||
// }
|
||
// }
|
||
}
|
||
|
||
|
||
// 保存 LLM 输出到数据库
|
||
/* 加标题需要异步，且在会话开始时就进行 */
|
||
if (existingTitle) {
|
||
console.log("uidh")
|
||
await pool.query(
|
||
"INSERT INTO ai_chat_messages (session_id, user_id, role, content) VALUES (?, ?, 'assistant', ?)",
|
||
[sessId, userId || null, llmText]
|
||
);
|
||
} else {
|
||
console.log("uidh1111")
|
||
|
||
try
|
||
{
|
||
const titlePrompt = `请根据以下对话内容生成一个简短的标题（不超过15字）：
|
||
用户问题: ${userPrompt}
|
||
AI回答: ${llmText}`;
|
||
|
||
const titleResp = await client1.chat.completions.create({
|
||
model: "gpt-5-mini",
|
||
messages: [
|
||
{ role: "system", content: "你是标题生成助手，只返回标题，不要解释。" },
|
||
{ role: "user", content: titlePrompt }
|
||
]
|
||
});
|
||
|
||
const title = titleResp.choices[0]?.message?.content?.trim() || "未命名会话";
|
||
res.write(
|
||
`data: ${JSON.stringify({ type: "title", content: title })}\n\n`
|
||
);
|
||
|
||
console.log("生成的标题:", title);
|
||
|
||
// 保存到数据库（建议你给 ai_chat_messages 表新增一列 title，或者单独建一张会话表）
|
||
await pool.query(
|
||
"INSERT INTO ai_chat_messages (session_id, user_id, role, content,title) VALUES (?, ?, 'assistant', ?,?)",
|
||
[sessId, userId || null, llmText,title]
|
||
);
|
||
}
|
||
catch (err)
|
||
{
|
||
console.error("生成标题失败:", err.message);
|
||
}
|
||
}
|
||
|
||
|
||
|
||
|
||
res.write("data: [DONE]\n\n");
|
||
res.end();
|
||
|
||
// 删除上传文件
|
||
if (req.file && req.file.path)
|
||
{
|
||
fs.unlinkSync(req.file.path);
|
||
}
|
||
console.log("====== 分析完成 ======");
|
||
console.timeEnd("analyze");
|
||
|
||
// 更新用户剩余对话次数
|
||
let userChatNum = aiChatNum.get(userId);
|
||
|
||
if(userChatNum!==-1){
|
||
userChatNum = Math.max(0, userChatNum - 1); // 防止变成负数
|
||
setQuota(userId,userChatNum);
|
||
console.log(`用户剩余AI 对话次数: ${userChatNum}`);
|
||
}
|
||
}
|
||
catch (err)
|
||
{
|
||
console.error("❌ 调用失败:", err.response?.data || err.message);
|
||
res.status(500).json({ code: 1, error: err.response?.data || err.message });
|
||
}
|
||
});
|
||
|
||
app.post("/stop", express.json(), (req, res) => {
|
||
const { requestId } = req.body;
|
||
console.log("🔴 收到停止信号:", requestId);
|
||
stopFlags.set(requestId, true);
|
||
console.log(stopFlags,"消息id");
|
||
res.json({ ok: true });
|
||
});
|
||
app.post('/submit',async (req, res) => {
|
||
const { company, scenes, needs, userId } = req.body;
|
||
|
||
console.log("收到数据:", company, scenes, needs, userId);
|
||
|
||
if (!company || !needs || !userId) {
|
||
return res.status(400).json({ message: "缺少必要字段" });
|
||
}
|
||
|
||
try {
|
||
const sql =
|
||
"INSERT INTO pv_form (company, scenes, needs, userId) VALUES (?, ?, ?, ?)";
|
||
|
||
await pool.query(sql, [company, scenes, needs, userId || null]);
|
||
|
||
res.json({ code:200,message: "提交成功！" });
|
||
} catch (err) {
|
||
console.error("数据库插入失败:", err);
|
||
res.status(500).json({ message: "数据库写入失败" });
|
||
}
|
||
});
|
||
|
||
|
||
|
||
|
||
|
||
// // 获取微信授权回调接口
|
||
// app.get("/callback", async (req, res) => {
|
||
// const code = req.query.code;
|
||
|
||
// try {
|
||
// // 用 code 换 openid
|
||
// const resp = await axios.get("https://api.weixin.qq.com/sns/oauth2/access_token", {
|
||
// params: {
|
||
// appid: APPID,
|
||
// secret: APPSECRET,
|
||
// code: code,
|
||
// grant_type: "authorization_code",
|
||
// },
|
||
// });
|
||
|
||
// const data = resp.data;
|
||
// console.log("微信授权返回：", data);
|
||
|
||
// if (data.openid) {
|
||
// res.json({
|
||
// code: 0,
|
||
// openid:data.openid
|
||
// })
|
||
// // 判断数据库里是否已经有这个 openid
|
||
// // 没有 → 注册；有 → 登录
|
||
// // res.send(`授权成功，openid: ${data.openid}`);
|
||
// } else {
|
||
// res.json({
|
||
// code: 500,
|
||
// msg:"微信授权失败"+ JSON.stringify(data)
|
||
// })
|
||
// // res.send("授权失败: " + JSON.stringify(data));
|
||
// }
|
||
// } catch (err) {
|
||
// console.error(err);
|
||
// res.send("服务器错误");
|
||
// }
|
||
// });
|
||
|
||
|
||
|
||
// 静态文件服务
|
||
app.use("/uploads", express.static("uploads"));
|
||
|
||
// 启动服务
|
||
app.listen(port, () => {
|
||
console.log(`✅ 服务器运行：http://localhost:${port}`);
|
||
});
|