119 lines
3.6 KiB
JavaScript
119 lines
3.6 KiB
JavaScript
const express = require('express');
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const mongoose = require('mongoose');
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const session = require('express-session');
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const MongoStore = require('connect-mongo');
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const bodyParser = require('body-parser');
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const cookieParser = require('cookie-parser');
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const path = require('path');
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const { paginateQuery } = require('./utils/pagination');
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const app = express();
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// 增强的 MongoDB 连接配置
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mongoose.connect('mongodb://127.0.0.1:27017/blog', { // 使用127.0.0.1而不是localhost
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useNewUrlParser: true,
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useUnifiedTopology: true,
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serverSelectionTimeoutMS: 5000, // 添加服务器选择超时
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socketTimeoutMS: 45000, // 添加socket超时
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family: 4 // 强制使用IPv4
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})
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.then(() => {
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console.log('MongoDB 已经连接');
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// 连接成功后启动服务器
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startServer();
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})
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.catch(err => {
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console.error('MongoDB 连接错误:', err);
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process.exit(1); // 如果数据库连接失败，退出应用
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});
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// 添加Mongoose连接状态监听
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mongoose.connection.on('connecting', () => console.log('正在连接MongoDB...'));
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mongoose.connection.on('disconnected', () => console.log('MongoDB 连接断开'));
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mongoose.connection.on('reconnected', () => console.log('MongoDB 重新连接'));
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// 其他中间件配置
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app.set('view engine', 'ejs');
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app.set('views', path.join(__dirname, 'views'));
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app.use(express.static(path.join(__dirname, 'public')));
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app.use(bodyParser.urlencoded({ extended: false }));
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app.use(bodyParser.json());
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app.use(cookieParser());
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// 增强的session配置
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app.use(session({
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secret: 'chenlilong_blog_secret',
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resave: false,
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saveUninitialized: false,
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store: MongoStore.create({
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mongoUrl: 'mongodb://127.0.0.1:27017/blog',
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ttl: 24 * 60 * 60, // 1天
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autoRemove: 'native' // 自动清理过期session
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}),
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cookie: {
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maxAge: 1000 * 60 * 60 * 24,
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httpOnly: true,
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secure: process.env.NODE_ENV === 'production'
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}
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}));
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// 路由配置
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app.get('/', async (req, res) => {
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try {
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const Post = require('./models/Post');
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const Link = require('./models/Link');
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const { paginateQuery } = require('./utils/pagination');
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// 获取分页参数
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const page = parseInt(req.query.page) || 1;
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const limit = 5; // 每页显示5篇文章
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// 获取博客文章（带分页，只获取已发布的文章）
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const postsResult = await paginateQuery(
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Post,
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{ isPublished: true }, // 只显示已发布的文章
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{ sort: { isTop: -1, createdAt: -1 } }, // 置顶文章优先，然后按时间倒序
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page,
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limit
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);
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// 获取所有友情链接
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const links = await Link.find().sort({ order: 1, createdAt: -1 });
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res.render('user/index', {
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user: req.session.user || null,
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posts: postsResult.data,
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links: links,
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pagination: postsResult.pagination,
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baseUrl: '/',
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query: {}
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});
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} catch (error) {
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console.error('获取首页数据失败:', error);
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res.render('user/index', {
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user: req.session.user || null,
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posts: [],
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links: [],
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pagination: { currentPage: 1, totalPages: 1, total: 0 },
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baseUrl: '/',
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query: {}
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});
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}
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});
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const userAuthRouter = require('./routes/user/auth');
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app.use('/', userAuthRouter);
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const adminRouter = require('./routes/admin/index');
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app.use('/admin', adminRouter);
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app.use((req, res) => {
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res.status(404).send('404 Not Found');
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});
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// 将服务器启动封装为函数
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function startServer() {
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const PORT = process.env.PORT || 3001;
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app.listen(PORT, () => {
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console.log(`Server running at http://localhost:${PORT}`);
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});
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}
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