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                        /Python開發(fā)簡單爬蟲

運行結(jié)果只爬了一次，然后就結(jié)束了，之后去掉try塊，報如下的錯誤。

????????

我和你的錯誤一樣，去掉try塊之后，顯示html_parser中的get_text()有錯誤，

Traceback (most recent call last):
? File "G:\eclipse-workspace(JAVAEE)\Python01\baike_spider\spider_main.py", line 41, in <module>
??? obj_spider.craw(root_url)????? #啟動爬蟲
? File "G:\eclipse-workspace(JAVAEE)\Python01\baike_spider\spider_main.py", line 23, in craw
??? new_urls, new_data =self.parser.parse(new_url,html_cont)???
? File "G:\eclipse-workspace(JAVAEE)\Python01\baike_spider\html_parser.py", line 40, in parse
??? new_data = self._get_new_data(page_url,soup)
? File "G:\eclipse-workspace(JAVAEE)\Python01\baike_spider\html_parser.py", line 27, in _get_new_data
??? res_data['title'] =title_node.get_text()
AttributeError: 'NoneType' object has no attribute 'get_text'