php - php laravel artisan 迁移模型中的错误?
问题描述
我是 php laravel 的新手,我尝试使用数据库迁移项目,但出现以下错误?
Illuminate\Database\QueryException
could not find driver (SQL: select * from information_schema.tables where table_schema = lcrud and table_name = migrations and table_type = 'BASE TABLE')
at vendor/laravel/framework/src/Illuminate/Database/Connection.php:669
665| // If an exception occurs when attempting to run a query, we'll format the error
666| // message to include the bindings with SQL, which will make this exception a
667| // lot more helpful to the developer instead of just the database's errors.
668| catch (Exception $e) {
> 669| throw new QueryException(
670| $query, $this->prepareBindings($bindings), $e
671| );
672| }
673|
+34 vendor frames
35 artisan:37
Illuminate\Foundation\Console\Kernel::handle(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
这是 .env 文件
APP_NAME=lcrud
APP_ENV=local
APP_KEY=base64:PchgVozhfLeJtzlwFMtY0VGEpsfj2PYCtS7eVcothEY=
APP_DEBUG=true
APP_URL=http://localhost
LOG_CHANNEL=stack
DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=lcrud
DB_USERNAME=root
DB_PASSWORD=
BROADCAST_DRIVER=log
CACHE_DRIVER=file
QUEUE_CONNECTION=sync
SESSION_DRIVER=file
SESSION_LIFETIME=120
REDIS_HOST=127.0.0.1
REDIS_PASSWORD=null
REDIS_PORT=6379
MAIL_MAILER=smtp
MAIL_HOST=smtp.mailtrap.io
MAIL_PORT=2525
MAIL_USERNAME=null
MAIL_PASSWORD=null
MAIL_ENCRYPTION=null
MAIL_FROM_ADDRESS=null
MAIL_FROM_NAME="${APP_NAME}"
AWS_ACCESS_KEY_ID=
AWS_SECRET_ACCESS_KEY=
AWS_DEFAULT_REGION=us-east-1
AWS_BUCKET=
PUSHER_APP_ID=
PUSHER_APP_KEY=
PUSHER_APP_SECRET=
PUSHER_APP_CLUSTER=mt1
MIX_PUSHER_APP_KEY="${PUSHER_APP_KEY}"
MIX_PUSHER_APP_CLUSTER="${PUSHER_APP_CLUSTER}"
我仔细检查了我的密码是什么,所以我尝试放置像这样DB_PASSWORD=''
和这样的空字符串,但它在我阅读的有关 php.ini 文件并根据此页面DB_PASSWORD=' '
进行更改的其他 stackoverflow 问题中也不起作用。
我的 php 版本是PHP 7.2.24-0ubuntu0.19.04.2 (cli) (built: Jan 14 2020 13:26:02) ( NTS )
当我输入which php
终端时,我得到了/usr/bin/php
我正在尝试其他问题的答案,但没有工作。请帮帮我,谢谢。
更新 这里我有我的 database.php 文件,可能对你有帮助,
'connections' => [
'sqlite' => [
'driver' => 'sqlite',
'url' => env('DATABASE_URL'),
'database' => env('DB_DATABASE', database_path('database.sqlite')),
'prefix' => '',
'foreign_key_constraints' => env('DB_FOREIGN_KEYS', true),
],
'mysql' => [
'driver' => 'mysql',
'url' => env('DATABASE_URL'),
'host' => env('DB_HOST', '127.0.0.1'),
'port' => env('DB_PORT', '3306'),
'database' => env('DB_DATABASE', 'forge'),
'username' => env('DB_USERNAME', 'forge'),
'password' => env('DB_PASSWORD', ''),
'unix_socket' => env('DB_SOCKET', ''),
'charset' => 'utf8mb4',
'collation' => 'utf8mb4_unicode_ci',
'prefix' => '',
'prefix_indexes' => true,
'strict' => true,
'engine' => null,
'options' => extension_loaded('pdo_mysql') ? array_filter([
PDO::MYSQL_ATTR_SSL_CA => env('MYSQL_ATTR_SSL_CA'),
]) : [],
],
'pgsql' => [
'driver' => 'pgsql',
'url' => env('DATABASE_URL'),
'host' => env('DB_HOST', '127.0.0.1'),
'port' => env('DB_PORT', '5432'),
'database' => env('DB_DATABASE', 'forge'),
'username' => env('DB_USERNAME', 'forge'),
'password' => env('DB_PASSWORD', ''),
'charset' => 'utf8',
'prefix' => '',
'prefix_indexes' => true,
'schema' => 'public',
'sslmode' => 'prefer',
],
'sqlsrv' => [
'driver' => 'sqlsrv',
'url' => env('DATABASE_URL'),
'host' => env('DB_HOST', 'localhost'),
'port' => env('DB_PORT', '1433'),
'database' => env('DB_DATABASE', 'forge'),
'username' => env('DB_USERNAME', 'forge'),
'password' => env('DB_PASSWORD', ''),
'charset' => 'utf8',
'prefix' => '',
'prefix_indexes' => true,
],
],
解决方案
您收到此错误是因为没有 mysql 服务器驱动程序。您可以使用以下命令安装它来尝试。
sudo apt-get install mysql-server php7.1-mysql
sudo service apache2 restart
sudo service mysql restart
希望这会帮助你。
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