cakephp - 我的“赞”系统有问题

Question

所以，我在我的 CakePHP 项目中添加了一个“Like”系统，但我遇到了一个小问题。当我想添加一个赞时......它根本不会发生。这是我所拥有的：

<?php 
  echo $this->Form->create("Like", array("url" => array("controller" => "likes", "action" => "like")));
  echo $this->Form->hidden("user_id",array(
    "value" => AuthComponent::user("id")
  ));
  echo $this->Form->hidden("post_id",array(
    "value" => $post["Post"]["id"]
  ));
  echo $this->Form->end();

  echo $this->Html->link(
    "<li><i class='icon-heart icon-large'></i> ".count($post["Like"])." likes</li>",
    "",
    array("escape" => false, "onclick" => "document.getElementById('LikeViewForm').submit();")
  );
?>

这是控制器：

<?php class LikesController extends AppController{

  function like() {
    $user_id = $this->Auth->user("id");
    if(!$user_id){
      $this->redirect("/");
      die();
    }
    if ($this->request->is("post")) {
      $d = $this->request->data;         
      $d["Like"]["id"] = null;
      if($this->Like->save($d,true,array("post_id","user_id"))){
        $this->redirect($this->referer());
      }
    }
  }

}

当我单击链接时，它会正确刷新页面，所以我认为表单已发送，但数据库中没有任何新内容......

有什么猜测吗？

Answer 1

对于新记录，您需要create()先使用。试试这个：

function like() {
    $user_id = $this->Auth->user("id");

    if (!$user_id) {
        $this->redirect("/");
        die();
    }

    if ($this->request->is("post")) {
        $this->Like->create();
        if ($this->Like->save($this->request->data, true, array("post_id", "user_id"))) {
            $this->redirect($this->referer());
        }
    }
}

希望这可以帮助。