smack发送和接收信息

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/**     *发送消息        *@param con 用户连接对象     *@param user 用户JID     *@param msg 发送内容     */@Overridepublic synchronized void sendMessages(XMPPConnection con,String user, String msg) {if (null != user && !"@".equals(user)){user = user + "@" +con.getServiceName(); }Chat chat=con.getChatManager().createChat(user, null);try {chat.sendMessage(msg);} catch (XMPPException e) {e.printStackTrace();}}

/** * 接收消息  * @param con 用户连接对象  */@Overridepublic void recieveMessage(final XMPPConnection con) {final Map<String, String> params = new HashMap<String, String>();;//final StringBuilder sb=new StringBuilder();con.getChatManager().addChatListener(new ChatManagerListener() {@Overridepublic void chatCreated(Chat chat, boolean arg1) {chat.addMessageListener(new MessageListener() {@Overridepublic void processMessage(Chat arg0, Message message) {System.out.println(message.getFrom()+"-->"+message.getTo()+"\n"+message.getBody());}});}});//return sb.toString();}

private static void addListener(XMPPConnection con) {        // 包的过滤器        PacketFilter filterMessage = new PacketTypeFilter(Message.class);        // 创建包的监听器        PacketListener myListener = new PacketListener() {            public void processPacket(Packet packet) {                // 以XML格式输出接收到的消息                System.out.println("Body: " + ((Message) packet).getBody());            }        };        // 给连接注册一个包的监听器        con.addPacketListener(myListener, filterMessage);    }

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