目标不可实例化。Laravel 5-应用程序绑定服务提供商
目标不可实例化。Laravel 5-应用程序绑定服务提供商
提问于 2015-02-18 23:17:38
，我得到了一个错误：
BindingResolutionException in compiled.php line 1029:
Target [App\Models\Contracts\Repositories\IUserRepository] is not instantiable.我的代码如下所示：
接口：
namespace App\Models\Contracts\Repositories;
use App\Models\Objects\DTO\User;
interface IUserRepository
{
function Create( User $user );
}混凝土：
namespace App\Models\Concrete\Eloquent;
use App\Models\Contracts\Repositories\IUserRepository;
use App\Models\Objects\DTO\User;
class EqUserRepository implements IUserRepository
{
/**
* Create a new user instance after a valid registration.
*
* @param array $data
* @return User
*/
public function Create( User $user )
{
return User::create( [
'first_name' => $user->first_name,
'last_name' => $user->last_name,
'username' => $user->username,
'email' => $user->email,
'password' => bcrypt( $user->password ),
] );
}
}服务提供者：
<?php namespace App\Providers;
use Illuminate\Support\ServiceProvider;
class AppServiceProvider extends ServiceProvider {
/**
* Bootstrap any application services.
*
* @return void
*/
public function boot()
{
//
}
/**
* Register any application services.
*
* This service provider is a great spot to register your various container
* bindings with the application. As you can see, we are registering our
* "Registrar" implementation here. You can add your own bindings too!
*
* @return void
*/
public function register()
{
$this->app->bind(
'App\Models\Contracts\Repositories\IUserRepository',
'App\Models\Concrete\Eloquent\EqUserRepository'
);
}
}主计长：
namespace App\Http\Controllers\Auth;
use App\Http\Controllers\Controller;
use Illuminate\Contracts\Auth\Guard;
use Illuminate\Contracts\Auth\Registrar;
use Illuminate\Foundation\Auth\AuthenticatesAndRegistersUsers;
use App\Models\Contracts\Repositories\IUserRepository;
use App\Models\Objects\DTO\User;
class AuthController extends Controller
{
protected $auth;
private $userRepository;
public function __Construct(
Guard $auth,
IUserRepository $userRepo )
{
...文件夹结构
我还看到可能需要在我的composer.json中声明名称空间，所以我尝试了以下内容以及上面的内容：
"autoload": {
"classmap": [
"database"
],
"psr-4": {
"App\\": "app/",
"App\\Models\\Concrete\\Eloquent\\": "app/Models/Concrete/Eloquent/",
"App\\Models\\Contracts\\Repositories\\": "app/Models/Contracts/Repositories/",
"App\\Models\\Objects\\DTO\\": "app/Models/Objects/DTO/"
}
},然后运行composer dump-autoload
我忘记做什么了吗？
回答 3
Stack Overflow用户
回答已采纳
发布于 2015-02-19 01:25:25
我注意到compiled.php没有更新。
在项目根文件夹的cmd行中运行此函数：
php artisan clear-compiledStack Overflow用户
发布于 2016-01-13 15:20:24
如果您也在下面的错误中运行：
第749行中的BindingResolutionException : Container.php \Contracts\TestContract是不可实例化的。
使用以下方法清除配置缓存：
php artisan config:clearStack Overflow用户
发布于 2021-04-02 16:03:29
通过在app/providers/AppServiceProvider方法中添加存储库解决了同样的错误，如下所示。
namespace App\Providers;
use Illuminate\Support\ServiceProvider;
class AppServiceProvider extends ServiceProvider
{
public function register()
{
$this->app->register(RepositoryServiceProvider::class); // here
}
}页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/28595862
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