'æåguobanjia http://www.goubanjia.com/free/gngn/index.shtml
:return:'

@staticmethod
@robustCrawl
def freeProxyFifth():

    url = 'http://www.goubanjia.com/free/gngn/index{page}.shtml'
    for page in range(1, 10):
        page_url = url.format(page=page)
        tree = getHtmlTree(page_url)
        proxy_list = tree.xpath('//td[@class="ip"]')
        for each_proxy in proxy_list:
            (yield ''.join(each_proxy.xpath('.//text()')))
