Smack可用于XMPP客戶端的開發(fā)，下載Smack，將相關(guān)jar文件導(dǎo)入后，即可以開始XMPP客戶端的開發(fā)。

以下代碼實(shí)現(xiàn)了客戶端連接Tigase服務(wù)器，并根據(jù)用戶名和密碼登錄。

package Xmpp;import org.jivesoftware.smack.ConnectionConfiguration;import org.jivesoftware.smack.ConnectionConfiguration.SecurityMode;import org.jivesoftware.smack.XMPPConnection;import org.jivesoftware.smack.XMPPException;/** * XMPP Client * @author    HZ * @since    2014-09-01 * @version    1.0.0 */public class Client {        public static XMPPConnection xmpp_conn;    public static ConnectionConfiguration xmpp_conf;        // 服務(wù)器ip    public static String xmpp_ip = new String("10.3.93.213");    // 服務(wù)器名    public static String xmpp_host = new String("tsung213");    // 服務(wù)器端口    public static int xmpp_port = 5222;        // 用戶名和密碼    public static String user = new String("hz_12");    public static String pass = new String("123456");    public static void main(String[] args) {                conn();    }        // 連接服務(wù)器    public static void conn(){                try{            // 配置連接             xmpp_conf = new ConnectionConfiguration(xmpp_ip, xmpp_port, xmpp_host);            xmpp_conf.setReconnectionAllowed(true);                  xmpp_conf.setSecurityMode(SecurityMode.disabled);                   xmpp_conf.setSASLAuthenticationEnabled(false);            xmpp_conf.setComPRessionEnabled(false);                    // 連接，并根據(jù)用戶名和密碼登錄            xmpp_conn = new XMPPConnection(xmpp_conf);            xmpp_conn.DEBUG_ENABLED = true;            xmpp_conn.connect();            xmpp_conn.login(user, pass);                        // 獲取相關(guān)變量            String tmp;            tmp = xmpp_conn.getConnectionID();            System.out.println("ConnectionID:" + tmp);            tmp = xmpp_conn.getHost();            System.out.println("Host:" + tmp);            tmp = xmpp_conn.getServiceName();            System.out.println("ServiceName:" + tmp);            tmp = xmpp_conn.getUser();            System.out.println("User:" + tmp);        }        catch (XMPPException e){            System.out.println("Error:" + e.toString());        }            }}

運(yùn)行結(jié)果：