11 2019 档案

演示九九乘法表案例，format,print(end=" ")
摘要："""演示九九乘法表案例"""# 分析# 1.结构：循环嵌套（外层，9次，内层，依次增加1-9）# 2.打印内容： X * Y = Z "%d*%d=%d" % (X,Y,Z)# 3.打印对其：使用指标位符号\t# 1 x 1 = 1# 1 x 2 = 2 2 x 2 = 4i = 0while i 阅读全文
posted @ 2019-11-29 15:26 风筝老师 阅读(606) 评论(0) 推荐(0)
builtin_function_or_method' object is not subscriptable
摘要：原本我写的代码： cookies_str = """_xmLog=xm_1574336611019_k38ndbkbce4hvk; trackType=web; Hm_lvt_4a7d8ec50cfd6af753c4f8aee3425070=1574336679; fds_otp=801597432 阅读全文
posted @ 2019-11-21 20:13 风筝老师 阅读(3216) 评论(0) 推荐(1)
爬虫多进程，etree和xpath
摘要：from pprint import pprintfrom queue import Queuefrom lxml import etreeimport requests# 导入进程池from multiprocessing.dummy import Poolimport timeclass Qui 阅读全文
posted @ 2019-11-21 18:44 风筝老师 阅读(347) 评论(0) 推荐(0)
爬虫多线程模板，xpath，etree
摘要：class QuiShi: def __init__(self): self.temp_url = "http://www.lovehhy.net/Joke/Detail/QSBK/{0}" self.headers = {"User-Agent":"Mozilla/5.0 (Windows NT 阅读全文
posted @ 2019-11-21 15:19 风筝老师 阅读(222) 评论(2) 推荐(0)