python爬虫

https://segmentfault.com/a/1190000003933903

定时：

#!/usr/bin/env python#coding=utf8import timeimport requestswhile True:    current_time = time.localtime(time.time())    if((current_time.tm_hour == 0) and (current_time.tm_min == 0) and (current_time.tm_sec == 01)):        url = 'xxxxxxxxxxxxxxxxxxxxxx/'    res = requests.get(url)    print res        print "Hello World",current_time.tm_hour,current_time.tm_min,current_time.tm_sec    time.sleep(1)