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yii2 數(shù)據(jù)庫(kù)讀寫分離配置示例

標(biāo)簽: 發(fā)布日期:2017-02-10 00:00:00 276

開始使用數(shù)據(jù)庫(kù)首先需要配置數(shù)據(jù)庫(kù)連接組件,通過添加 db 組件到應(yīng)用配置實(shí)現(xiàn)("基礎(chǔ)的" Web 應(yīng)用是 config/web.PHP),DSN( Data Source Name )是數(shù)據(jù)源名稱,用于指定數(shù)據(jù)庫(kù)信息.如下所示:

return [
  // ...
  'components' => [
    // ...
    'db' => [
      'class' => 'yii\db\Connection',
      'dsn' => 'mysql:host=localhost;dbname=mydatabase', // MySQL, MariaDB
      //'dsn' => 'sqlite:/path/to/database/file', // SQLite
      //'dsn' => 'pgsql:host=localhost;port=5432;dbname=mydatabase', // PostgreSQL
      //'dsn' => 'cubrid:dbname=demodb;host=localhost;port=33000', // CUBRID
      //'dsn' => 'sqlsrv:Server=localhost;Database=mydatabase', // MS SQL Server, sqlsrv driver
      //'dsn' => 'dblib:host=localhost;dbname=mydatabase', // MS SQL Server, dblib driver
      //'dsn' => 'mssql:host=localhost;dbname=mydatabase', // MS SQL Server, mssql driver
      //'dsn' => 'oci:dbname=//localhost:1521/mydatabase', // Oracle
      'username' => 'root', //數(shù)據(jù)庫(kù)用戶名
      'password' => '', //數(shù)據(jù)庫(kù)密碼
      'charset' => 'utf8',
    ],
  ],
  // ...
];