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109 lines
3.0 KiB
109 lines
3.0 KiB
var express = require('express');
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var multer = require('multer');
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var upload = multer({ dest: 'uploads/' });
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var bodyParser = require('body-parser');
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var session = require('express-session');
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var fs = require('fs');
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var gm = require('gm');
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var app = express();
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app.use(bodyParser.urlencoded({ extended: true }));
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app.use(bodyParser.json({ limit: '50mb' }));
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app.use(express.static('static'));
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app.use(session({
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secret: 'tonkia', // 对session id 相关的cookie 进行签名
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resave: true,
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saveUninitialized: false, // 是否保存未初始化的会话
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cookie: {
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maxAge: 1000 * 60 * 2, // 设置 session 的有效时间，单位毫秒
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}
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}));
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//权限判断
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app.use(['/create', '/logout', '/home'], function (req, res, next) {
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if (req.session.user)
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next();
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else
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res.redirect('/');
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});
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//临时存储数据
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var data = { name: '默认方案', components: [] };
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var user = { account: 'tonkia', userName: 'tonkia xx', password: '123' };
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//主页加载：登录页面
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app.get('/', function (req, res) {
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res.sendFile(__dirname + "/views/login.html");
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});
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//方案创建
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app.get('/create', function (req, res) {
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res.sendFile(__dirname + "/views/createScheme.html");
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});
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//登录
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app.post('/', function (req, res) {
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var account = req.body.account;
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var password = req.body.password;
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//用户验证
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if (account == user.account && password == user.password) {
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req.session.user = user;
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res.send('1');
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} else {
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res.send('0');
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}
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});
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//用户注销
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app.get('/logout', function (req, res) {
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req.session.user = null;
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res.redirect('/');
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});
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//用户主页
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app.get('/home', function (req, res) {
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res.sendFile(__dirname + "/views/home.html");
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});
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//接受文件上传，并且返回文件名
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app.post('/upload', upload.single('file'), function (req, res) {
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//console.info(req.file)
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res.send(req.file);
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});
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//返回文件
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app.get('/files/:filename', function (req, res) {
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//TODO 根据session判断是否有权限获取文件
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var filename = req.params['filename'];
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res.sendFile(__dirname + "/uploads/" + filename);
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});
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//返回缩略图
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app.get('/files/thumbnail/:filename', function (req, res) {
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var filename = req.params['filename'];
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// fs.exists(__dirname + "/uploads/thumbnail/" + filename, function (exist) {
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// if (exist) {
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// res.sendFile(__dirname + "/uploads/thumbnail/" + filename);
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// } else {
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// gm('./uploads/' + filename).resize(40, 40).write("./uploads/thumbnail/" + filename, function (err) {
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// if (!err)
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// console.info(err);
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// res.sendFile(__dirname + "/uploads/thumbnail/" + filename);
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// })
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// }
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// });
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res.sendFile(__dirname + "/uploads/" + filename);
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});
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//保存方案
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app.post('/saveScheme', function (req, res) {
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data = req.body;
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//console.info(data);
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});
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//获取方案
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app.post('/getScheme', function (req, res) {
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res.send(data);
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});
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app.listen(80); |