我试图在express.js 上设置cookie，但它返回未定义。
我搜索了很多网页并把express.cookieParser() above app.use(app.router)但它仍然无法返回正确的值。
app.js
app.configure(function(){
var RedisStore = require('connect-redis')(express);
app.use(express.logger());
app.set('view options', { layout: false });
app.set('views', __dirname + '/views');
app.set('view engine', 'jade');
app.use(express.bodyParser({uploadDir: './uploads/tmp'}));
app.use(express.methodOverride());
app.use(express.cookieParser());
app.use(express.session({ secret: "william", store: new RedisStore }));
//Initialize Passport! Also use passport.session() middleware, to support
//persistent login sessions (recommended).
app.use(passport.initialize());
app.use(passport.session());
//app.router should be after passportjs
app.use(app.router);
app.use(express.compiler({ src: __dirname + '/public', enable: ['less']}));
app.use(express.static(path.join(__dirname, 'public')));
});
app.get('/', function(req, res) {
res.cookie('cart', 'test', {maxAge: 900000, httpOnly: true})
});
app.get('/test', function(req, res) {
res.send('testcookie: ' + req.cookies.cart);
});
结果：
testcookie: undefined
Cookie 设置在 HTTP 标头中。res.cookie()只是设置 HTTP 结果的标头，但实际上并不发送任何 HTTP。如果你的代码在语法上是正确的并且它运行了，它实际上只是坐着并且不返回任何内容。我还修复了您的代码中的一些语法错误app.get():
app.get('/', function(req, res) {
res.cookie('cart', 'test', {maxAge: 900000, httpOnly: true});
res.send('Check your cookies. One should be in there now');
});
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