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app.js
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74 lines (61 loc) · 2.5 KB
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var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');//请求网页的logo
var logger = require('morgan');//在控制台中,显示req请求的信息
var session = require('express-session');
var cookieParser = require('cookie-parser');//这就是一个解析Cookie的工具。通过req.cookies可以取到传过来的cookie,并把它们转成对象。
var bodyParser = require('body-parser');//node.js 中间件,用于处理 JSON, Raw, Text 和 URL 编码的数据。
// 路由信息(接口地址),存放在routes的根目录
var routes = require('./routes/index');
var app = express();
// view engine setup 模板开始
app.set('views', path.join(__dirname, 'views'));//设置视图根目录
app.engine("html",require("ejs").__express); // or app.engine("html",require("ejs").renderFile);
// app.set('view engine', 'ejs');//设置视图格式(本人不太喜欢用jade,接下来会交大家使用html格式的文件)
app.set('view engine', 'html');//设置视图格式(本人不太喜欢用jade,接下来会交大家使用html格式的文件)
// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
// 载入中间件
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
//设置session
app.use(session({
secret: "hello world",
resave: false,
saveUninitialized: true,
cookie: {maxAge: 10 * 60 * 60 * 1000}
}));
app.use(express.static(path.join(__dirname, 'public')));
var orgine = ['login','register'];
/* 中间件,判断用户是否登录 */
app.use(function (req, res, next) {
var url = req.url;
console.log(req.session.user);
if (url != '/login' && url != '/register' && req.session.user === undefined) {
res.redirect('/login');
return;
}
res.locals.user = req.session.user;
next();
});
//配置路由,('自定义路径',上面设置的接口地址)
app.use('/', routes);
// catch 404 and forward to error handler 错误处理
app.use(function(req, res, next) {
var err = new Error('Not Found');
err.status = 404;
next(err);
});
// error handler
app.use(function(err, req, res, next) {
// set locals, only providing error in development
res.locals.message = err.message;
res.locals.error = req.app.get('env') === 'development' ? err : {};
console.log( err.message );
// render the error page
res.status(err.status || 500);
res.render('error');
});
module.exports = app;