<p>如何在单个安装的 Codeigniter 4 中从其他多应用程序站点调用模型？</p> <p>文件夹结构如下所示：</p> <pre class="brush:php;toolbar:false;">- WebsiteFolder -- Site1 --- app --- public --- tests --- writeable (.env, spark and other file) -- Site2 --- app --- public --- tests --- writeable (.env, spark and other file) -- system</pre> <p>这是我的示例代码：</p> <p><strong>在站点 1</strong></p> <hr /> <p><strong>Constants.php</strong> 我已经定义了一个根目录来定位 site2。</p> <pre class="brush:php;toolbar:false;">define('ROOTSOURCE', dirname(__DIR__,3) . '\site2');</pre> <p>此返回：</p> <p><em>E:\Project\website\site2</em></p> <p><strong>Autoload.php</strong></p> <p>我已经设置了 PSR4。</p> <pre class="brush:php;toolbar:false;">public $psr4 = [ APP_NAMESPACE =&gt; APPPATH, // For custom app namespace 'Config' =&gt; APPPATH . 'Config', 'Source\Models' =&gt; ROOTSOURCE . '/app/Models/' ];</pre> <p>然后我运行 SPARK 命令：</p> <pre class="brush:php;toolbar:false;">php spark namespaces</pre> <p>并返回</p> <pre class="brush:php;toolbar:false;">+---------------+-----------------------------------------------------------------------------------------+--------+ | Namespace | Path | Found? | +---------------+-----------------------------------------------------------------------------------------+--------+ | CodeIgniter | E:\Project\DennisLiu\website\system | Yes | | App | E:\Project\DennisLiu\website\site1\app | Yes | | Config | E:\Project\DennisLiu\website\site1\app\Config | Yes | | Source\Models | E:\Project\DennisLiu\website\site2\app\Models | Yes | +---------------+-----------------------------------------------------------------------------------------+--------+</pre> <p>然后找到命名空间<strong>Source\Models</strong>。到目前为止一切都还好。</p> <p>控制器=> <strong>Home.php</strong></p> <pre class="brush:php;toolbar:false;">namespace App\Controllers; use Source\Models; class Home extends BaseController { public function index() { $setting = new \Source\Models\Setting(); return view('welcome_message'); }</pre> <p>当我运行控制器时，我得到：</p> <blockquote> <p><strong>找不到类“Source\Models\Setting”</strong></p> </blockquote> <p>下一步，</p> <p><strong>在站点2</strong></p> <p>我在 Site2 模型文件夹中有模型<strong>“设置”</strong>。</p> <p><strong>注意事项：</strong></p> <p>站点 2 中的一切都运行正常。</p> <p>我的问题是我收到的错误“未找到类<strong>“Source\Models\Setting””</strong>在单个应用程序安装 codeigniter 4 中调用站点 2 模型的正确设置是什么？。< /p> <p><strong>注意事项：</strong> 这是两个网站的单个安装 codeigniter 4。我共享了系统文件夹。</p>

// Create a new class manually
$userModel = new \App\Models\UserModel();

// Create a new class with the model function
$userModel = model('App\Models\UserModel', false);

// Create a shared instance of the model
$userModel = model('App\Models\UserModel');

- WebsiteFolder
  -- Site1
     --- app
     --- public
     --- tests
     --- writeable
     (.env, spark and other file)
  -- Site2
     --- app
     --- public
     --- tests
     --- writeable
     (.env, spark and other file)
  -- shared/Models
     (DBSetting.php)
  -- system

namespace App\Controllers;
use shared\Models\DBSetting;



class Home extends BaseController
{
    public function index()
    {                
        
        $db = new \shared\Models\DBSetting();                

        return view('welcome_message');
        
    }
}

public $psr4 = [
        APP_NAMESPACE   => APPPATH, // For custom app namespace
        'Config'        => APPPATH . 'Config',               
        'shared\Models' => ROOTSOURCE . '/shared/Models'        
    ];

define('ROOTSOURCE', dirname(__DIR__,3));

function __construct()
{       
    parent::__construct();                  
}


public function save() {    
    return true;
}