Python下载进度条

import dialog,e32,appuifw

def 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()