使用CURL抓取淘宝页面

/**
     * 根据地址抓取淘宝页面html代码
     * @param type $url 地址
     * @return boolean
     */
    public function getTaoBaoHtml($url) {
        if (empty($url)) {
            return false;
        }
        $ch = curl_init();
        // 设置 url
        curl_setopt($ch, CURLOPT_URL, $url);
        // 设置浏览器的特定header
        curl_setopt($ch, CURLOPT_HTTPHEADER, array(
            "User-Agent: {Mozilla/5.0 (Windows NT 6.1; WOW64; rv:26.0) Gecko/20100101 Firefox/26.0}",
            "Accept: {text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8}",
            "Accept-Language: {zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3}",
            "Cookie:{cq=ccp%3D1; cna=a7suCzOmSTECAXgg9iCf4AtX; t=671b2069c7e8ac444da66d664a397a5f; tracknick=%5Cu4F0D%5Cu6653%5Cu8F8901; _tb_token_=nDiU1vCuzFd0; cookie2=c54709ffbe04a5ccb80283c34d6b00fa; pnm_cku822=128WsMPac%2FFS4KgNn%2BYfhzduo4U2NC0zh9cAS4%3D%7CWUCLjKhqr873bOIFQcMecSw%3D%7CWMEKRlV%2B3D9a6XWaidNWNQOSWXwaXugvQHzhxALh%7CX0YLbX78NUR2b2DHoxnIqZENQqR35TBZbfQ5vooI0b6GHZA3U1kr%7CXkdILogCr878ZK9I%2B%2FE3QjAD3lFJJaAZRA%3D%3D%7CXUeMwMR2s%2BTUQk8IPP5TNgWfUjQwonccMCxihTa0fRYgtjgfa4j6%7CXMYK7F8liOvH3hMUpzXkiaU%2FJw%3D%3D}",
        ));
        // 页面内容我们并不需要
        curl_setopt($ch, CURLOPT_NOBODY, 0);
        // 只需返回HTTP header
        curl_setopt($ch, CURLOPT_HEADER, 0);
        // 返回结果，而不是输出它
        //curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
        ob_start();
        curl_exec($ch);
        $html = ob_get_contents();
        ob_end_clean();
        curl_close($ch);
        return $html;
    }