PHP+nodejs+socket实现实时通讯有么有实例？
用nodejs搭建的js服务器可以实现类似于websocket的长连接和无限制连接的实时通讯。
最近在看nodejs，在Linux中安装了nodejs的zeromq模块，其中的examples都是在服务端运行的js，怎么在客户端html中使用socket函数一直不晓得啊。websocket模块的html例子还能查到一个，但zeromq客户订阅的例子都没有，html中js的使用方法和websocket模块的又不一样，有没有大牛搞过这种 实时通讯、消息推送和客户订阅的项目？？？
csdn中用户登录后的新消息个数的提示貌似就是，望指点迷津！
------解决方案--------------------
js和html4 是不能socket的只能通过http协议，客户端请求或者通过长连接的方式
html5倒是有websocket
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