title: How can i fetch 'img' src attribute by scrapy?
body: <p>I wanna to use scrapy to fetch the img's links so i write the program below in scrapy's crawler:</p>
  
  <pre><code>hxs.select('//dl[@class="clearfix"]//img/@src/text()').extract()
  </code></pre>
  
  <p>However, it's doesn't work anyway. is there any problem ?</p>