                        课程
                    
                        /后端开发
                        
                            /Python
                        
                        /Python开发简单爬虫

运行结果只爬了一次，然后就结束了，之后去掉try块，报如下的错误。

我和你的错误一样，去掉try块之后，显示html_parser中的get_text()有错误，

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)      #启动爬虫
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'