python is beautiful_python BeautifulSoup基本用法

#coding:utf-8

importosfrom bs4 importBeautifulSoup#jsp 路径

folderPath = "E:/whm/google/src_jsp"

for dirPath,dirNames,fileNames inos.walk(folderPath):for fileName infileNames:if fileName.endswith(".jsp"):

soup=BeautifulSoup(open(os.path.join(dirPath,fileName)),"html.parser")if(soup.header is notNone):

soup.header.extract()#属性选择器。。。只能选择出第一个符合规则的元素

if(soup.find(attrs={‘role‘:‘banner‘}) is notNone):

soup.find(attrs={‘role‘:‘banner‘}).extract()if(soup.find(attrs={‘class‘:"col-xs-3"}) is notNone):

soup.find(attrs={‘class‘:"col-xs-3"}).extract()

with open(os.path.join(dirPath,fileName),"w+") as file:#pretify()方法返回一个美化过的html 字符串 encode(‘utf-8‘)指定编码--

file.write(soup.prettify(formatter=None).encode(‘utf-8‘))

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