def file_handle(backend_data,res = None,type = 'fetch'): if type == 'fetch': ret = [] with open('haproxy','r') as read_f : tag = False for read_line in read_f: if read_line.strip() == backend_data: tag = True continue if tag and read_line.startswith('backend'): break #server读完,读到下一个backend时,关闭for循环,否则就会将 backend www.oldboy1.org后面的内容全部读出来 if tag : print('