import dialog,e32,appuifwdef ru(x):return x.decode('utf8')def qu():    appuifw.note(ru('已取消'))    wait.close()    wait=dialog.Wait(ru('载入中…'),True)wait.show()e32.ao_sleep(3)wait.close()pgrs = dialog.Progress(ru('请稍等…'), 100)pgrs.show()print dir(pgrs)try:    a=0    for i in range(100):        i+=1;pgrs.set_label(ru('请稍等！\n进度:'+str(i)+'%'))        pgrs.goto(i)        e32.ao_sleep(0.1)    pgrs.close()except:    pgrs.close()