app.set('title', 'My Site');

app.get('title'); // "My Site"

app.set('port', process.env.PORT || 3000);  //设置端口

app.set('views', __dirname + '/views');

app.set('view engine', 'html');// app.set('view engine', 'ejs');

app.engine('.html', ejs.__express);

app.engine('.ejs', ejs.__express);

app.engine('.jade', jade.__express);

app.use(function(req, res, next){

res.locals.user = req.session.user;

var err = req.session.error;

delete req.session.error;

res.locals.message = '';

if (err) res.locals.message = '<div class="alert alert-error">' + err + '</div>';

next();

});

这个函数会在每一个页面请求时都被调用。

app.use('/', routes);

app.use('/reg', reg);

app.use('/login', login);

app.use('/logout', logout);

app.use(express.favicon());

app.use(express.logger('dev'));

app.use(express.bodyParser());

app.use(express.methodOverride());

app.use(express.cookieParser());

app.use(express.cookieSession({secret : 'blog.fens.me'}));

app.use(express.session({

secret : 'blog.fens.me',

store: store,

cookie: { maxAge: 900000 } // expire session in 15 min or 900 seconds

}));

app.get('/', routes.index);

app.all('/login', notAuthentication);

app.get('/login', routes.login);

app.post('/login', routes.doLogin);

app.get('/logout', authentication);

app.get('/logout', routes.logout);

app.get('/home', authentication);

app.get('/home', routes.home);

//mongo

app.get('/movie/add',movie.movieAdd);

app.post('/movie/add',movie.doMovieAdd);

app.get('/movie/:name',movie.movieAdd);

app.get('/movie/json/:name',movie.movieJSON);

app.get('/users', user.list);

// GET /file/javascripts/jquery.js

req.params[0]

// => "javascripts/jquery.js"

// GET /user/tj

req.params.name

// => "tj"

附录：

nodeJs免安装环境下装express：

npm config set prefix " N:\nodejs"      //设置npm install -g module时路径

npm config set cache "N:\ nodejs\node_cache"

“path”，输入"N:\nodejs"                              //设置node环境变量

“NODE_PATH”，输入“N:\nodejs\node_modules”   //设置插件环境变量