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                ### 數據庫遷移 命令行模式下,進入項目根目錄( aa 所在目錄),創建 ~~~ php aa migrate:create create_test ~~~ 該命令會生成文件 ~~~ /console/migration/_2017_12_02_03_32_50_create_test.php ~~~ 修改代碼 ~~~ <?php namespace console\migration; use aaphp\console\Migration; /** * 數據庫遷移例子 * Class _2017_12_02_03_32_50_create_test * @package console\migration */ class _2017_12_02_03_32_50_create_test extends Migration { /** * 升級數據庫 */ public function up() { $sql="CREATE TABLE `{$this->prefix}test` ( `id` int(11) NOT NULL AUTO_INCREMENT, `username` varchar(32) NOT NULL DEFAULT '' COMMENT '用戶名', `password` varchar(32) NOT NULL DEFAULT '' COMMENT '密碼', `age` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '年齡', `city` varchar(255) DEFAULT NULL COMMENT '城市', PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8 COMMENT='測試'"; $this->execute($sql); } /** * 降級數據庫 */ public function down() { $sql="DROP table `{$this->prefix}test`"; $this->execute($sql); } } ~~~ 升級,執行up方法,即創建表 test ~~~ php aa migrate:up ~~~ 降級,執行down方法,即刪除表 test ~~~ // php aa migrate:down 降級數量 php aa migrate:down 1 ~~~
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