comet 推送消息到客户端

weiconfig:

1   <system.web>
2     <httpHandlers>
3       <add path="comet_broadcast.ashx" type="AsnyHandler" verb="POST,GET"/>
4     </httpHandlers>
5     <compilation debug="true" targetFramework="4.0"/>
6     <httpRuntime/>
7   </system.web>

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