#完整程序如下:
import requests
import re def getHTMLText(url):
try:
r = requests.get(url)
r.raise_for_status()
r.encoding = r.apparent_encoding
return r.text
except:
return '' def printAPPName(html):
try:
pattern = re.compile(r'{"im:name":{"label":(.*?)}, "rights"', re.S)
#如果不使用re.S参数,则只在每一行内进行匹配,如果一行没有,就换下一行重新开始,不会跨行。
#而使用re.S参数以后,正则表达式会将这个字符串作为一个整体,将“\n”当做一个普通的字符加入到这个字符串中,在整体中进行匹配
APPName = re.findall(pattern, str(html))
return 'APPName:' + str(APPName)
except:
return '' def fillUnivlist(titles, comments, stars, html):
try:
pattern = re.compile(r'"title":{"label":(.*?)}, "content"', re.S) #提取标题
nbaInfo = re.findall(pattern, str(html)) #提取title # findStr = '"title":{"label":'
# nbaInfo = nbaInfo1[nbaInfo1.find(findStr)+len(findStr):]
patternFloor = re.compile(r'"content":{"label":(.*?), "attributes":{"type":"text"}}', re.S) #提取content
floorText = re.findall(patternFloor, str(html)) patternStar = re.compile(r'"im:rating":{"label":(.*?)}, "id"', re.S) # 提取星级
star = re.findall(patternStar, str(html))
# print(str(star)) number = len(nbaInfo)
print(number)
for i in range(number):
Info = nbaInfo[i] #利用Tools类移除不想要的格式字符
if i==0:Info = Info[Info.find('"title":{"label":')+len('"title":{"label":'):]
# print(Info)
Info1 = floorText[i]
Info2 = star[i]
# print(Info2+"hello")
titles.append('title:' + Info)
comments.append('content:' + Info1)
stars.append('star:' + Info2)
except:
return '' def writeText(titleText, fpath):
try:
with open(fpath, 'a', encoding='utf-8') as f:
f.write(str(titleText)+'\n')
f.write('\n')
f.close()
except:
return '' def writeUnivlist(titles, comments, stars, fpath, num):
with open(fpath, 'a', encoding='utf-8') as f:
for i in range(num):
f.write(str(stars[i]) + '\n')
f.write('*' * 10 + '\n')
f.write(str(titles[i]) + '\n')
f.write('*' * 50 + '\n') #输入一行*号
f.write(str(comments[i]) + '\n')
f.write('*' * 100 + '\n')
f.close() def main():
count = 0
url = 'https://itunes.apple.com/rss/customerreviews/page=1/id=414478124/sortby=mostrecent/json?l=en&&cc=cn' #要访问的网址
output_file = 'D:/StockInfo.txt' #最终文本输出的文件
html = getHTMLText(url) #获取HTML
APPName = printAPPName(html)
writeText(APPName, output_file)
for i in range(10):
i = i + 1
titles = []
comments = []
stars = []
url = 'https://itunes.apple.com/rss/customerreviews/page=' + str(i) + '/id=414478124/sortby=mostrecent/json?l=en&&cc=cn'
html = getHTMLText(url)
fillUnivlist(titles, comments, stars, html)
writeUnivlist(titles, comments, stars, output_file, len(titles))
count = count + 1
print("\r当前进度: {:.2f}%".format(count * 100 / 10), end="") if __name__ == '__main__':
main() #如果想爬取其他APP只需要改变id的值,如想爬腾讯的,只需将id=414478124换成id=444934666
#另外本程序是模仿https://www.cnblogs.com/sea-ocean/p/6601421.html的