yii2 advance版简易主从搭建测试

首先主从我是在同一台mysql服务器上进行的
从配置文件中可以看到，在common/config/main_loacal.php

  [
        'db' => [
            'class' => 'yii\db\Connection',
            'dsn' => 'mysql:host=localhost;dbname=yjz_data',
            'username' => 'root',
            'password' => 'root',
            'charset' => 'utf8',
            // 配置从服务器
            'slaveConfig' => [
                'username' => 'root',
                'password' => 'root',
                'attributes' => [
                    // use a smaller connection timeout
                    PDO::ATTR_TIMEOUT => 10,
                ],
            ],

            // 配置从服务器组
            'slaves' => [
                ['dsn' => 'mysql:host=localhost;dbname=yjz_data1'],
                ['dsn' => 'mysql:host=localhost;dbname=yjz_data2'],
            ],
        ],
        'mailer' => [
            'class' => 'yii\swiftmailer\Mailer',
            'viewPath' => '@common/mail',
            // send all mails to a file by default. You have to set
            // 'useFileTransport' to false and configure a transport
            // for the mailer to send real emails.
            'useFileTransport' => true,
        ],
    ],
];

配置中有注释的部分，// 配置从服务器 和  // 配置从服务器组 
这样就可以实现主从了

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