package?com.web.demo;
?
import?java.util.HashMap;
import?java.util.Iterator;
import?java.util.Map;

import?javax.websocket.OnClose;
import?javax.websocket.onerror;
import?javax.websocket.OnMessage;
import?javax.websocket.OnOpen;
import?javax.websocket.Session;
import?javax.websocket.server.PathParam;
import?javax.websocket.server.ServerEndpoint;

@ServerEndpoint（“/websocket/{userId}“）
public?class?WebSocketTest?{
?
	private?static?Map?sessionMap=new?HashMap（）;//在線的客戶端session集合，只在第一次new的時候初始化。
??/**
???*?接收信息事件
???*?@param?message?客戶端發來的消息
???*?@param?session?當前會話
???*/
??@OnMessage
??public?void?onMessage（String?messageSession?session@PathParam（value=“userId“）String?userId）throws?Exception?{
???
????try?{
????	Iterator?it?=?sessionMap.keySet（）.iterator（）;
????	//循環給每個客戶端發送信息
????	while（it.hasNext（））{
????		String?key?=?（String）?it.next（）;
????		Session?value?=?sessionMap.get（key）;
????		value.getBasicRemote（）.sendText（message）;
????	}
????	?System.out.println（“用戶“+userId+“說：“+message+“。“）;
????	?System.out.println（“當前在線人數：“+sessionMap.size（））;
	}?catch?（Exception?e）?{
		System.out.println（“接收消息事件異常!“）;
	}
??}
??
??/**
???*?打開連接事件
?*?@throws?Exception?
???*/
??@OnOpen
??public?void?onOpen（Session?session@PathParam（value=“userId“）String?userId）?throws?Exception?{
????System.out.println（“打開連接成功！“）;
????sessionMap.put（userId?session）;
????System.out.println（“用戶“+userId+“進來了。。。“）;
????System.out.println（“當前在線人數：“+sessionMap.size（））;
??}
?
??/**
???*?關閉連接事件
???*/
??@OnClose
??public?void?onClose（Session?session@PathParam（value=“userId“）String?userId）?{
????System.out.println（“關閉連接成功！“）;
????System.out.println（“用戶“+userId+“離開了。。。“）;
????sessionMap.remove（userId）;
????System.out.println（“當前在線人數：“+sessionMap.size（））;
??}
??
??/**
???*?錯誤信息響應事件
???*?@param?session
???*?@param?throwable
???*/
??@onerror
??public?void?onerror（Session?sessionThrowable?throwable@PathParam（value=“userId“）String?userId）?{
	????System.out.println（“異常：“+throwable.getMessage（））;
	????System.out.println（“用戶“+userId+“的連接出現了錯誤。。。“）;
	????System.out.println（“當前在線人數：“+sessionMap.size（））;
??}
??
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????873??2016-01-08?09:48??websocket-demo\.classpath

?????文件???????1339??2016-01-08?10:23??websocket-demo\.project

?????文件????????522??2016-01-08?09:46??websocket-demo\.settings\.jsdtscope

?????文件????????364??2016-01-08?09:46??websocket-demo\.settings\org.eclipse.jdt.core.prefs

?????文件????????501??2016-01-08?09:46??websocket-demo\.settings\org.eclipse.wst.common.component

?????文件????????414??2016-01-08?09:46??websocket-demo\.settings\org.eclipse.wst.common.project.facet.core.xml

?????文件?????????49??2016-01-08?09:46??websocket-demo\.settings\org.eclipse.wst.jsdt.ui.superType.container

?????文件??????????6??2016-01-08?09:46??websocket-demo\.settings\org.eclipse.wst.jsdt.ui.superType.name

?????文件???????2533??2016-01-08?11:12??websocket-demo\src\com\web\demo\WebSocketTest.java

?????文件???????1938??2016-01-08?11:11??websocket-demo\WebRoot\chat.html

?????文件?????????39??2016-01-08?09:46??websocket-demo\WebRoot\meta-INF\MANIFEST.MF

?????文件???????3654??2016-01-08?11:12??websocket-demo\WebRoot\WEB-INF\classes\com\web\demo\WebSocketTest.class

?????文件????????463??2016-01-08?09:50??websocket-demo\WebRoot\WEB-INF\web.xml

?????目錄??????????0??2016-01-08?11:23??websocket-demo\WebRoot\WEB-INF\classes\com\web\demo

?????目錄??????????0??2016-01-08?11:23??websocket-demo\WebRoot\WEB-INF\classes\com\web

?????目錄??????????0??2016-01-08?11:23??websocket-demo\src\com\web\demo

?????目錄??????????0??2016-01-08?11:23??websocket-demo\WebRoot\WEB-INF\classes\com

?????目錄??????????0??2016-01-08?11:23??websocket-demo\src\com\web

?????目錄??????????0??2016-01-08?11:23??websocket-demo\WebRoot\WEB-INF\classes

?????目錄??????????0??2016-01-08?09:46??websocket-demo\WebRoot\WEB-INF\lib

?????目錄??????????0??2016-01-08?11:23??websocket-demo\src\com

?????目錄??????????0??2016-01-08?11:23??websocket-demo\WebRoot\meta-INF

?????目錄??????????0??2016-01-08?11:23??websocket-demo\WebRoot\WEB-INF

?????目錄??????????0??2016-01-08?11:23??websocket-demo\.settings

?????目錄??????????0??2016-01-08?11:23??websocket-demo\src

?????目錄??????????0??2016-01-08?11:23??websocket-demo\WebRoot

?????目錄??????????0??2016-01-08?11:23??websocket-demo

-----------?---------??----------?-----??----

????????????????12695????????????????????27



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