宝山

Mac下的scrapy能够正常安装好Windows7下的scrapy安装有问题，在老司机的带领下用Anaconda安装scrapy成功【天善智能社区VIP群“老司机：高兴的小摩托”指路】windows 安装scrapy第一步、anaconda 一键安装：https://www.continuum.io/downloads第二步、http://blog.csdn.net/qtlyx/article/details/50636481搞定

作业做错了，获取的还是小图片。根据老师的讲解，修改为如下程序import urllib.requestimport reimport urllib.errorheaders = ('user-agent','Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36')opener = urllib.request.build_opener()op...

1. 浏览器伪装技术2. 爬取的链接内容写入文件中import urllib.requestimport reurl = 'http://blog.csdn.net'headers = ('User-Agent','Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36')opener = urllib.request.build_opener()opener.ad...

作业题目：获取网页上出现的出版社列表http://read.douban.com/provider/all# 方法一：正则表达式from urllib.request import urlopenimport reurl = 'http://read.douban.com/provider/all'content = urlopen(url).read()reg = '<div class="name">(.+?)</div>'pressList = re.compile(reg).findall(str(co...

Excel表格的合并：要点：    1. 多个Excel文件    2. 每个Excel表格多个Sheet    3. 合并写入一个Excel文件中import xlrd,xlwtinputfiles = ['first.xlsx','second.xlsx','third.xlsx']outputfile = 'result.xls'wb = xlwt.Workbook()outputList = []def open_excel(file): resultRowI...

# 正序乘法口诀for i in range(1,10): for j in range(1,i+1): print(str(i) + " * " + str(j) + " = " + str(i*j) + " ", end=" ") print() print('*' * 120) # 逆序乘法口诀for i in range(9,0,-1): for j in range(i, 0, -1): print(str(i) + " * " + str(j) + " = " + str(i*j) + " ", end="...