def _gen_item(self, element):
item = Article()
item.url = self.url
item.title = element.find('h4').text()
item.author = u'廖雪峰'#element.find('').text()
item.category = 'Dev'
item.tags = 'Python'
contentWrapper = element.find('.x-wiki-content')#.remove('.postComment')
item.summary = tool.Tool().replace2(contentWrapper.outerHtml().encode('utf-8'))
item.crawl_time = datetime.datetime.now()
return item
