事件主要分为前置事件before和后置事件after

class User extends Model
{
    CONST TABLE = 'users';
    public function events()
    {
        return [
            'beforeGet    => function ($model) {
                // 这里可以修改 参数的值
                // 如果返回 false sql将终止执行
            },
            'afterGet'     => function (& $result, & $arg = null) {
            },
            'beforeUpdate'  => function ($model) {
            },
            'afterUpdate'   => function (& $result, & $arg = null) {
            },
            'beforeDelete'  => function ($model) {
            },
            'afterDelete'   => function (& $result, & $arg = null) {
            },
            'beforeInsert'  => function ($model) {
            },
            'afterInsert'   => function (& $result, & $arg = null) {
            },
        ];
    }
}
~~~
`