php采集csdn首页新闻(2)

    $content = curl_exec($ch); 

    preg_match_all("/http\:\/\/\w*\.csdn\.net\/a\/\d*\/\d*\.html/",$content,$match); 

    $weburl=$match[0]; 

    $weburl=array_unique($weburl); 

    $j=0; 

    foreach($weburl as $i=>$vo){ 

        curl_setopt ($ch, CURLOPT_URL,$vo); 

        $content = curl_exec($ch); 

        preg_match_all("/\<h1\>(.*)\<\/h1\>|\<div\s*class\=\"blkCont.*([\s\S]*)\<div\s*class\=\"page\".*\>/",$content,$match); 

        if(!emptyempty($match[2][1])){ 

            $list[$j]['content']=$match[2][1]; 

            $list[$j]['title']=$match[1][0]; 

            $j++; 

        } 

    } 

    $db=M('news'); 

    $news=$db->where("uid=".$uid)->select(); 

    $flag=true; 

    foreach($list as $i=>$vo){ 

        foreach($news as $j=>$value){ 

            if(md5($value['title'])==md5($vo['title'])){ 

                $flag=false; 

                break; 

            } 

        } 

        if($flag){ 

            $vo['uid']=$uid; 

            $vo['date']=date('Y-j-m H:i:s'); 

            $vo['author']=Session::get("admin"); 

            $vo['iscommand']=1; 

            $rs=$db->add($vo); 

        } 

        $flag=true; 

    } 

} 

?>