ConnForm 0 0 562 309 16777215 16777215 Form 密码: lePasswd Will Topic: leWillTopic 用户ID: leClientId Will Msg: teWillMsg Qt::Horizontal localhost 用户名: leUser Server(*): leHost 1 65535 1883 端口(*): sbPort Keepalive: sbKeepalive (s) 3600 300 CleanSess: cbCleanSess true 连接 取消连接 Qt::Vertical 20 40 leHost sbPort sbKeepalive cbCleanSess leClientId leUser lePasswd leWillTopic teWillMsg connButton disconnButton connButton clicked() ConnForm onConnect() 455 23 533 17 disconnButton clicked() ConnForm onDisconnect() 473 70 529 67 onConnect() onDisconnect()