socket.io用了xhr-polling 这个长轮讯的最长的值是多少, io.set('polling duration',500); 这样提示Option polling duration is not valid. Please refer to the README. https://github.com/Automattic/socket.io/wiki/Configuring-Socket.IO 这上面只有缺省值
socket.io用了xhr-polling 这个长轮讯的最长的值是多少, io.set('polling duration',500); 这样提示Option polling duration is not valid. Please refer to the README. https://github.com/Automattic/socket.io/wiki/Configuring-Socket.IO 这上面只有缺省值