ThinkPHP5.1动态创建数据表方法

thinkphp5.1动态创建数据表结构，以下是案例，希望对大家有所帮助。

public function createTable(){
    $sql = "
    CREATE TABLE IF NOT EXISTS `think_test`(
    `id` int(8) unsigned NOT NULL AUTO_INCREMENT,
    `name` varchar(255) NOT NULL,
      PRIMARY KEY (`id`)
    )
    ENGINE=InnoDB
    DEFAULT CHARACTER SET=utf8 COLLATE=utf8_general_ci
    CHECKSUM=0
    ROW_FORMAT=DYNAMIC
    DELAY_KEY_WRITE=0";
    Db::execute($sql);
}