在Laravel 5.7上找不到类'Laravel \ Passport \ Passport'

Question

我只是cloned一个repo一个Laravel 5.7 project和我有一些麻烦我的机器上运行它。

当我做一个composer install，我得到这个error：

Loading composer repositories with package information
Installing dependencies (including require-dev) from lock file
Warning: The lock file is not up to date with the latest changes in composer.json. You may be getting outdated dependencies. Run update to update them.
Nothing to install or update
Generating optimized autoload files
> Illuminate\Foundation\ComposerScripts::postAutoloadDump
> @php artisan package:discover

In AuthServiceProvider.php line 35:

  Class 'Laravel\Passport\Passport' not found


Script @php artisan package:discover handling the post-autoload-dump event returned with error code 1

我该怎么办才能解决此错误？我不知道从哪里开始。

这是项目的composer.json file：

{
    "name": "laravel/laravel",
    "description": "The Laravel Framework.",
    "keywords": ["framework", "laravel"],
    "license": "MIT",
    "type": "project",
    "require": {
        "php": "^7.1.3",
        "designmynight/laravel-mongodb-passport": "^1.1",
        "fideloper/proxy": "^4.0",
        "guzzlehttp/guzzle": "^6.3",
        "jenssegers/mongodb": "^3.4",
        "laravel/framework": "5.7.*",
        "laravel/passport": "^7.0",
        "laravel/tinker": "^1.0"
    },
    "require-dev": {
        "beyondcode/laravel-dump-server": "^1.0",
        "filp/whoops": "^2.0",
        "fzaninotto/faker": "^1.4",
        "mockery/mockery": "^1.0",
        "nunomaduro/collision": "^2.0",
        "phpunit/phpunit": "^7.0"
    },
    "autoload": {
        "classmap": [
            "database/seeds",
            "database/factories"
        ],
        "psr-4": {
            "App\\": "app/"
        }
    },
    "autoload-dev": {
        "psr-4": {
            "Tests\\": "tests/"
        }
    },
    "extra": {
        "laravel": {
            "dont-discover": [
            ]
        }
    },
    "scripts": {
        "post-root-package-install": [
            "@php -r \"file_exists('.env') || copy('.env.example', '.env');\""
        ],
        "post-create-project-cmd": [
            "@php artisan key:generate"
        ],
        "post-autoload-dump": [
            "Illuminate\\Foundation\\ComposerScripts::postAutoloadDump",
            "@php artisan package:discover"
        ]
    },
    "config": {
        "preferred-install": "dist",
        "sort-packages": true,
        "optimize-autoloader": true
    },
    "minimum-stability": "dev",
    "prefer-stable": true
}

Answer 1

尽管composer update根据情况进行了欺骗，但这可能不是最佳解决方案。

首先- composer install根据composer.lock存储库中包含的版本安装运行的软件包时（应该包含）。

在您的情况下，当您仔细查看控制台输出时，您会得到：

警告：锁文件不是最新的composer.json更改。您可能会过时的依赖关系。运行更新以更新它们。

因此，很可能有人在其中添加了Laravel Passport软件包，composer.json但没有运行composer install或忘记提交更新的composer.lock文件。

现在记住运行composer update时更新所有软件包。有时很好（仅在localhost上），但有时又不可行，因为并非总是要更新所有软件包。因此，当您需要更新单个软件包时，可以在这种情况下尝试composer update laravel/passport仅强制更新/安装Laravel Passport而无需接触其他软件包。