//模擬登錄 
function login_post($url, $cookie, $post) { 
  $curl = curl_init();//初始化curl模塊 
  curl_setopt($curl, CURLOPT_URL, $url);//登錄提交的地址 
  curl_setopt($curl, CURLOPT_HEADER, 0);//是否顯示頭信息 
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 0);//是否自動(dòng)顯示返回的信息 
  curl_setopt($curl, CURLOPT_COOKIEJAR, $cookie); //設(shè)置Cookie信息保存在指定的文件中 
  curl_setopt($curl, CURLOPT_POST, 1);//post方式提交 
  curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($post));//要提交的信息 
  curl_exec($curl);//執(zhí)行cURL 
  curl_close($curl);//關(guān)閉cURL資源，并且釋放系統(tǒng)資源 
} 

//登錄成功后獲取數(shù)據(jù) 
function get_content($url, $cookie) { 
  $ch = curl_init(); 
  curl_setopt($ch, CURLOPT_URL, $url); 
  curl_setopt($ch, CURLOPT_HEADER, 0); 
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
  curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie); //讀取cookie 
  $rs = curl_exec($ch); //執(zhí)行cURL抓取頁面內(nèi)容 
  curl_close($ch); 
  return $rs; 
} 

//設(shè)置post的數(shù)據(jù) 
$post = array ( 
  'email' => 'oschina賬戶', 
  'pwd' => 'oschina密碼', 
  'goto_page' => '/my', 
  'error_page' => '/login', 
  'save_login' => '1', 
  'submit' => '現(xiàn)在登錄' 
); 
 //登錄地址 $url = "http://m.oschina.net/action/user/login"; //設(shè)置cookie保存路徑 $cookie = dirname(__FILE__) . '/cookie_oschina.txt'; //登錄后要獲取信息的地址 $url2 = "http://m.oschina.net/my"; //模擬登錄 
login_post($url, $cookie, $post); //獲取登錄頁的信息 $content = get_content($url2, $cookie); //刪除cookie文件 
@ unlink($cookie); //匹配頁面信息 $preg = "/<td class='portrait'>(.*)<\/td>/i"; 
preg_match_all($preg, $content, $arr); $str = $arr[1][0]; //輸出內(nèi)容 echo $str;