基于ExtJS及Pushlet实现Web即时交流

Implementation of Web Communication by ExtJS and Pushlet

Pushlet技术提供了服务器和客户端即时快捷地交换数据的功能,而ExtJS技术实现的浏览器客户端能提供更加好的用户体验效果。即时交流的过程包括了进入交流、进行交流、退出交流这三个步骤,客户端都需要多次进行发布、订阅操作,其中个人交流和群组交流在第一个步骤上有所区别。

Pushlet provides the way to get data from each other between server and client, and client which is implemented by ExtJS can provide better expression to users. The process of Communication on-line contains three steps： enter communication, communicate, quit communication, client need to do subscribing and publishing operations for a several times in each step, and communication between person to another has something different form communication among persons in a group at the first step.