Question

在我发布我的问题/代码之前，我将给出一些我正在做的事情的背景故事。目前我正在使用cakephp和mysql开发一个网站。我有一个登录系统，用户可以登录，每个用户都可以创建一个团队。当用户创建团队时，他们被视为团队领导。我的数据库中有两个表。一个是用户，另一个是团队。在teams表中有一个名为user_id的字段，表示创建团队的用户。它是一个foriegn键，链接到User表中名为id的字段。

因此，当用户创建团队时，我希望我的程序能够自动识别领导者的ID，并将其保存为进入我的表格的团队模型中的user_id。

这是团队模型类

中的代码

<?php
class TeamsController extends AppController {

public $name = 'Teams';

public function add() {
    if ($this->request->is('post')) {

                    //THIS LINE SETS THE TEAM LEAD
        $this->Team->set('user_id', $this->Auth->user('id'));

        echo $this->Auth->user('id');
        if ($this->Team->save($this->request->data)) {
            $this->Team->set('user_id', $this->Auth->user('id'));
            $this->Session->setFlash('The team  has been saved');
            $this->redirect(array('controller' => 'Users','action' => 'index'));
        } else {
            $this->Session->setFlash('The team could not be created. Please, try again.');
        }

    }
}

正如您所看到的，我从当前用户模型中抓取user_id并将其放入团队模型中。

然而，当我这样做时，我不断收到一个mysql错误150，这与foriegn键约束有关。我不确定为什么会这样。我检查并交叉引用了两个表中的所有数据，数据在两个表中！两个表都是Innodb，两个字段都是整数，不带空值。

Answer 1

您的代码应如下所示：

您的控制器代码：

<?php
class TeamsController extends AppController {

public $name = 'Teams';

public function add() {
  if ($this->request->is('post')) {
    $team_details = $this->request->data;
    $team_details['Team']['user_id'] = $this->Auth->user('id');
    if ($this->Team->save($team_details)) {
        $this->Session->setFlash('The team  has been saved');
        $this->redirect(array('controller' => 'Users','action' => 'index'));
    } else {
        $this->Session->setFlash('The team could not be created. Please, try again.');
    }
  }
}

Answer 2

<?php
   class TeamsController extends AppController {

    public $name = 'Teams';

   public function add() {
    if ($this->request->is('post')) {

                //THIS LINE SETS THE TEAM LEAD
    $this->request->data['Team']['user_id']= $this->Auth->user('id');


    if ($this->Team->save($this->request->data)) {
        $this->set('user_id', $this->Auth->user('id'));
        $this->Session->setFlash('The team  has been saved');
        $this->redirect(array('controller' => 'Users','action' => 'index'));
    } else {
        $this->Session->setFlash('The team could not be created. Please, try again.');
    }

   }
}

蛋糕php，sql错误150

2 个答案: