内容简介:Laravel 使用多个数据库连接
1、配置.env文件
DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=database_name
DB_USERNAME=root
DB_PASSWORD=
DB_HOST_CENTER=127.0.0.1
DB_PORT_CENTER=3306
DB_DATABASE_CENTER=database_center
DB_USERNAME_CENTER=root
DB_PASSWORD_CENTER=
2、配置config/database.php
'mysql' => [
'driver' => 'mysql',
'host' => env('DB_HOST', 'localhost'),
'port' => env('DB_PORT', '3306'),
'database' => env('DB_DATABASE', 'forge'),
'username' => env('DB_USERNAME', 'forge'),
'password' => env('DB_PASSWORD', ''),
'charset' => 'utf8',
'collation' => 'utf8_unicode_ci',
'prefix' => '',
'strict' => false,
'engine' => null,
],
'mysql_center' => [
'driver' => 'mysql',
'host' => env('DB_HOST_CENTER', 'localhost'),
'port' => env('DB_PORT_CENTER', '3306'),
'database' => env('DB_DATABASE_CENTER', 'forge'),
'username' => env('DB_USERNAME_CENTER', 'forge'),
'password' => env('DB_PASSWORD_CENTER', ''),
'charset' => 'utf8',
'collation' => 'utf8_unicode_ci',
'prefix' => '',
'strict' => false,
'engine' => null,
],
3、创建model
a、这个model将采用默认的'mysql'连接
class UserModel extends Model
{
// 数据库'database'中的users表
protected $table = "users";
}
b、 这个model将使用mysql_center连接
class UserModel extends Model
{
// 数据库'dadtabase_center'中的users表
protected $connection = 'mysql_center';
protected $table = "users";
}
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Designing Data-Intensive Applications
Martin Kleppmann / O'Reilly Media / 2017-4-2 / USD 44.99
Data is at the center of many challenges in system design today. Difficult issues need to be figured out, such as scalability, consistency, reliability, efficiency, and maintainability. In addition, w......一起来看看 《Designing Data-Intensive Applications》 这本书的介绍吧!