Php 按条件正确查看变速器（代码点火器）

我不熟悉PHP和CodeIgniter。我不能完全理解如何在某些条件下正确地传输视图。我认为这个例子是不正确的，它可以比我的更漂亮、更亲。告诉我这是怎么回事

我的版本1

控制器：

class Index_controller extends CI_Controller {
    public function index(){
        $data["account"]=$this->ion_auth->logged_in()?true:false;
        $this->load->view('header');
        $this->load->view('leftFrame', $data);
        $this->load->view('rightFrame');
        $this->load->view('index');
        $this->load->view('footer');
    }
}

<div class="leftFrame">
    <?php 
        if($account == true){
            echo '
                <div class="account">
                    <img src="/images/pic.png">
                </div>
            ';
        }
    ?>
</div>

class Index_controller extends CI_Controller {
    public function index(){
        if($this->ion_auth->logged_in()){
            $data["account"] = '<div class="account">
                                    <img src="/images/pic.png">
                                </div>';
        }
        $this->load->view('header');
        $this->load->view('leftFrame', $data);
        $this->load->view('rightFrame');
        $this->load->view('index');
        $this->load->view('footer');
    }
}

<div class="leftFrame">
    <?php 
        echo $account;
    ?>
</div>

class Index_controller extends CI_Controller {
    public function index(){
        if($this->ion_auth->logged_in()){
            $data["account"] = $this->load->view('account');
        }
        $this->load->view('header');
        $this->load->view('leftFrame', $data);
        $this->load->view('rightFrame');
        $this->load->view('index');
        $this->load->view('footer');
    }
}

<div class="account">
    <img src="/images/pic.png">
</div>

<div class="leftFrame">
    <?php 
        echo $account;
    ?>
</div>

查看：

class Index_controller extends CI_Controller {
    public function index(){
        $data["account"]=$this->ion_auth->logged_in()?true:false;
        $this->load->view('header');
        $this->load->view('leftFrame', $data);
        $this->load->view('rightFrame');
        $this->load->view('index');
        $this->load->view('footer');
    }
}

<div class="leftFrame">
    <?php 
        if($account == true){
            echo '
                <div class="account">
                    <img src="/images/pic.png">
                </div>
            ';
        }
    ?>
</div>

class Index_controller extends CI_Controller {
    public function index(){
        if($this->ion_auth->logged_in()){
            $data["account"] = '<div class="account">
                                    <img src="/images/pic.png">
                                </div>';
        }
        $this->load->view('header');
        $this->load->view('leftFrame', $data);
        $this->load->view('rightFrame');
        $this->load->view('index');
        $this->load->view('footer');
    }
}

<div class="leftFrame">
    <?php 
        echo $account;
    ?>
</div>

class Index_controller extends CI_Controller {
    public function index(){
        if($this->ion_auth->logged_in()){
            $data["account"] = $this->load->view('account');
        }
        $this->load->view('header');
        $this->load->view('leftFrame', $data);
        $this->load->view('rightFrame');
        $this->load->view('index');
        $this->load->view('footer');
    }
}

<div class="account">
    <img src="/images/pic.png">
</div>

<div class="leftFrame">
    <?php 
        echo $account;
    ?>
</div>

查看（account.php）：

class Index_controller extends CI_Controller {
    public function index(){
        $data["account"]=$this->ion_auth->logged_in()?true:false;
        $this->load->view('header');
        $this->load->view('leftFrame', $data);
        $this->load->view('rightFrame');
        $this->load->view('index');
        $this->load->view('footer');
    }
}

<div class="leftFrame">
    <?php 
        if($account == true){
            echo '
                <div class="account">
                    <img src="/images/pic.png">
                </div>
            ';
        }
    ?>
</div>

class Index_controller extends CI_Controller {
    public function index(){
        if($this->ion_auth->logged_in()){
            $data["account"] = '<div class="account">
                                    <img src="/images/pic.png">
                                </div>';
        }
        $this->load->view('header');
        $this->load->view('leftFrame', $data);
        $this->load->view('rightFrame');
        $this->load->view('index');
        $this->load->view('footer');
    }
}

<div class="leftFrame">
    <?php 
        echo $account;
    ?>
</div>

class Index_controller extends CI_Controller {
    public function index(){
        if($this->ion_auth->logged_in()){
            $data["account"] = $this->load->view('account');
        }
        $this->load->view('header');
        $this->load->view('leftFrame', $data);
        $this->load->view('rightFrame');
        $this->load->view('index');
        $this->load->view('footer');
    }
}

<div class="account">
    <img src="/images/pic.png">
</div>

<div class="leftFrame">
    <?php 
        echo $account;
    ?>
</div>

视图（leftFrame.php）：

class Index_controller extends CI_Controller {
    public function index(){
        $data["account"]=$this->ion_auth->logged_in()?true:false;
        $this->load->view('header');
        $this->load->view('leftFrame', $data);
        $this->load->view('rightFrame');
        $this->load->view('index');
        $this->load->view('footer');
    }
}

<div class="leftFrame">
    <?php 
        if($account == true){
            echo '
                <div class="account">
                    <img src="/images/pic.png">
                </div>
            ';
        }
    ?>
</div>

class Index_controller extends CI_Controller {
    public function index(){
        if($this->ion_auth->logged_in()){
            $data["account"] = '<div class="account">
                                    <img src="/images/pic.png">
                                </div>';
        }
        $this->load->view('header');
        $this->load->view('leftFrame', $data);
        $this->load->view('rightFrame');
        $this->load->view('index');
        $this->load->view('footer');
    }
}

<div class="leftFrame">
    <?php 
        echo $account;
    ?>
</div>

class Index_controller extends CI_Controller {
    public function index(){
        if($this->ion_auth->logged_in()){
            $data["account"] = $this->load->view('account');
        }
        $this->load->view('header');
        $this->load->view('leftFrame', $data);
        $this->load->view('rightFrame');
        $this->load->view('index');
        $this->load->view('footer');
    }
}

<div class="account">
    <img src="/images/pic.png">
</div>

<div class="leftFrame">
    <?php 
        echo $account;
    ?>
</div>

正确吗？：

class Index_controller extends CI_Controller {
    public function index(){
        $data["account"]=$this->ion_auth->logged_in()?true:false;
        $this->load->view('header');
        $this->load->view('leftFrame', $data);
        $this->load->view('rightFrame');
        $this->load->view('index');
        $this->load->view('footer');
    }
}

<div class="leftFrame">
    <?php 
        if($account == true){
            echo '
                <div class="account">
                    <img src="/images/pic.png">
                </div>
            ';
        }
    ?>
</div>

class Index_controller extends CI_Controller {
    public function index(){
        if($this->ion_auth->logged_in()){
            $data["account"] = '<div class="account">
                                    <img src="/images/pic.png">
                                </div>';
        }
        $this->load->view('header');
        $this->load->view('leftFrame', $data);
        $this->load->view('rightFrame');
        $this->load->view('index');
        $this->load->view('footer');
    }
}

<div class="leftFrame">
    <?php 
        echo $account;
    ?>
</div>

class Index_controller extends CI_Controller {
    public function index(){
        if($this->ion_auth->logged_in()){
            $data["account"] = $this->load->view('account');
        }
        $this->load->view('header');
        $this->load->view('leftFrame', $data);
        $this->load->view('rightFrame');
        $this->load->view('index');
        $this->load->view('footer');
    }
}

<div class="account">
    <img src="/images/pic.png">
</div>

<div class="leftFrame">
    <?php 
        echo $account;
    ?>
</div>

1号？2.3.其他？

1st选项看起来正确，您正在变量中传递所有值，并在视图中操作HMTL

2nd您正在以变量形式传递HTML代码，语法正确，但视图是操作HMTL的最佳位置

3rd选项看起来不正确，因为您正在尝试解析控制器中的视图

$data["account"] = $this->load->view('account'); //incorrect

正确语法

$data["account"] = $this->load->view('account', $data, true);

再次传递视图中的值

---

我建议，您应该创建布局并使用子视图作为元素，您可以获取CI布局库

对于此类问题，我建议使用codereview.stackexchange.com。错误1，在第二个选项中，您将有两次

。第一种方法是正确的，您可以使用

$data[“account”]=$this->ion\u auth->logged\u in（）？true:false

matit谢谢您提供的有用信息。下一次我会尝试这个新平台。Karan，哦，对不起，你是对的，这是打字错误，我会修正它，是的，三元运算符看起来很不错。