public function tagAction()
{
//封装header
$auth = Zend_Auth::getinstance();
#获取当前用户实例
$UID = $auth->getIdentity();
#取得当前用户信息
if ($auth->hasIdentity() == false) {
$this->render('index');
}
$tuser = new user();
$user = $tuser->getAllbyUID($UID);
$header = array("UID" => $user["UID"], "image" => $user["image"]);
//封装tag
$ttag = new tag();
$tans = new answer();
$task = new ask();
$tquestion = new question();
$tfollowq = new followQ();
$tagnum = $ttag->gerRequest()->getParam("tagnum");
$tags = $ttag->getAllTags();
for ($i = 0; $i < $tagnum; $i++) {
//第i个tag
$QIDs = $ttag->getQIDsbyTags($tags[$i]);
for ($j = 0; $j < tagnum; $j++) {
//第j个question
$mUID = $task->getUIDbyQID($QIDs[$j]);
$person = $tuser->getAllbyUID($mUID);
$image1[$j] = $person['image'];
$question = $tquestion->getAllbyQID($QIDs[$j]);
$QID1[$j] = $QIDs[$i];
$title1[$j] = $question["title"];
$abstract1[$j] = $question["Qabstract"];
$follownum[$j] = $tfollowq->getFollownumbyQID($QID1[$j]);
$answernum[$j] = $tans->getAnswernumbyQID($QID1[$j]);
$tag1[$j] = $ttag->getTagbyQID($QID1[$j]);
$time1[$j] = $task->getAskTimebyQID($QIDs[$j]);
$tag[$i][$j] = array("image" => $image1[$j], "QID" => $QIDs[$j], "title" => $title1[$j], "abstract" => $abstract1[$j], "follownum" => $follownum[$j], "answernum" => $answernum[$j], "tag" => $tag1[$j], "time" => $time1[$j]);
}
}
//传递变量，render
$this->view->tag = $tag;
$this->view->header = $header;
$this->render('tag');
}
