最近项目中使用mqtt监听消息，再根据消息做各种处理，使用大量的ifelse，代码异常难维护，参考的地址找不到了。。。 以下为实现：接收mqtt的接口类packagecom.mhm.mqttlistener;im

按组：[groups]g_qanso=mhm,mhm1,mhm2g_xiangchuan=mhm,mhm3,mhm4[/]admin=rw[biz:/]@g_qanso=rw[P:/]@g_qanso=rw[PL:/]@g_qanso=rw[SC:/]@g_xiangchuan=rw 按人员[/]admin

 packagecom.mhm.abstractfactory;importcom.mhm.simplefactory.Car;publicinterfaceBenzCarextendsCar{}packagecom.mhm.abstractfactory;publicclassBenzBussi

 packagecom.mhm.simplefactory;/****@authorAdministrator*@描述抽象产品角色*/publicinterfaceCar{publicvoiddrive();}packagecom.mhm.simplefactory