[英]Laravel - How to do DB Connection to Slave Database
正如上面的標題,我需要連接到從數據庫(出於某種原因)...
但我找不到怎么做?
.
下面是我的數據庫配置:
'mysql' => [
'read' => [
'host' => env('DB_SLAVE', '127.0.0.1'),
'port' => env('DB_SLAVE_PORT', '3306'),
'username' => env('DB_SLAVE_USERNAME', 'root'),
'password' => env('DB_SLAVE_PASSWORD', 'pwdforslave'),
],
'write' => [
'host' => env('DB_MASTER', '127.0.0.1'),
'port' => env('DB_MASTER_PORT', '3308'),
'username' => env('DB_MASTER_USERNAME', 'masteruser'),
'password' => env('DB_MASTER_PASSWORD', 'pwdformaster'),
],
'driver' => 'mysql',
'database' => 'amazingapp',
'charset' => 'utf8',
'collation' => 'utf8_unicode_ci',
'prefix' => 'aa_',
'strict' => false,
'engine' => env('DB_ENGINE', 'InnoDB'),
'unix_socket' => env('DB_SOCKET', ''),
],
.
要與從數據庫連接,目前我在想的是DB::connection('mysql.slave');
但它不起作用..
你可以在你的.env
上做多個DB
連接而不用碰你的database.php
這就是我連接多個數據庫連接的方式
DB_CONNECTION=mysql
DB_HOST=localhost
DB_PORT=3306
DB_DATABASE=sample
DB_USERNAME=root
DB_PASSWORD=123456
DB_CONNECTION=mysql1
DB_HOST=localhost
DB_PORT=3306
DB_DATABASE=sample
DB_USERNAME=root
DB_PASSWORD=123456
當你想在你的代碼上調用它時,如protrafree
像這樣的東西
DB::connection('mysql')
或者
DB::connection('mysql1')
您的意思是在database.php
創建新的數據庫連接條目並通過DB::connection('mysql2')
與統計方法DB::connection('mysql2')
?
也許你可以檢查這個鏈接Laravel Multiple Database
.
可以試試這個配置
'mysql' => [
'read' => [
'host' => env('DB_SLAVE', '127.0.0.1'),
'port' => env('DB_SLAVE_PORT', '3306'),
'username' => env('DB_SLAVE_USERNAME', 'root'),
'password' => env('DB_SLAVE_PASSWORD', 'pwdforslave'),
],
'write' => [
'host' => env('DB_MASTER', '127.0.0.1'),
'port' => env('DB_MASTER_PORT', '3308'),
'username' => env('DB_MASTER_USERNAME', 'masteruser'),
'password' => env('DB_MASTER_PASSWORD', 'pwdformaster'),
],
'driver' => 'mysql',
'database' => 'amazingapp',
'charset' => 'utf8',
'collation' => 'utf8_unicode_ci',
'prefix' => 'aa_',
'strict' => false,
'engine' => env('DB_ENGINE', 'InnoDB'),
'unix_socket' => env('DB_SOCKET', ''),
],
'mysql_master' => [
'host' => env('DB_MASTER', '127.0.0.1'),
'port' => env('DB_MASTER_PORT', '3308'),
'username' => env('DB_MASTER_USERNAME', 'masteruser'),
'password' => env('DB_MASTER_PASSWORD', 'pwdformaster'),
'driver' => 'mysql',
'database' => 'amazingapp',
'charset' => 'utf8',
'collation' => 'utf8_unicode_ci',
'prefix' => 'aa_',
'strict' => false,
'engine' => env('DB_ENGINE', 'InnoDB'),
'unix_socket' => env('DB_SOCKET', ''),
],
'mysql_slave' => [
'host' => env('DB_SLAVE', '127.0.0.1'),
'port' => env('DB_SLAVE_PORT', '3306'),
'username' => env('DB_SLAVE_USERNAME', 'slaveuser'),
'password' => env('DB_SLAVE_PASSWORD', 'pwdforslave'),
'driver' => 'mysql',
'database' => 'amazingapp',
'charset' => 'utf8',
'collation' => 'utf8_unicode_ci',
'prefix' => 'aa_',
'strict' => false,
'engine' => env('DB_ENGINE', 'InnoDB'),
'unix_socket' => env('DB_SOCKET', ''),
],
.
所以,如果想連接到從站,只需使用DB::connection('mysql_slave');
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