提示框

Ext.Msg.show({  
            //title: "保存",  
           msg: "Reboot Instance，Please Wait...",  
           progressText: "Request...",  
           width: 300,  
            wait: true,  
            waitConfig: {interval:200},  
            icon: "ext-mb-download",//一个在上面定义的CSS类  
            animEl: "b7" 
        });

Ext.Msg.hide();  
        Ext.Msg.alert('Stop Instance','Stop Instance Failed');