摘要：
//定义接口public interface DataManage {String beanToString(Object obj) throws Exception;Object stringToBean(String str, Class<?> clazz) throws Exception;}//JSON与JAVA对象转换public class JsonDataManage implements DataManage {private static final String JSON_EMPTY = "{}";@Overridepublic String 阅读全文
摘要：
ConnectionConfiguration connConfig = new ConnectionConfiguration("127.0.0.1");//登录前先设置不发送在线状态，因offlineManager调用必须在用户状态为离线状态下获取，具体参照smack javadoc中的offlineManager类英文说明connConfig.setSendPresence(false);connection = new XMPPConnection(connConfig);connection.connect();OfflineMessageManager offl 阅读全文