方法一:classUserextendsModel{public$timestamps=false;//关闭自动维护publicstaticfunctionboot(){parent::boot();
方法一:
class User extends Model {
public $timestamps = false;//关闭自动维护
public static function boot() {
parent::boot();
#只添加created_at不添加updated_at
static::creating(function ($model) {
$model->created_at = $model->freshTimestamp();
//$model->updated_at = $model->freshTimeStamp();
});
}
}
此处有坑:使用create方法创建一条记录时返回值的created的值是这样的:
“created_at”: {
“date”: “2017-09-27 13:47:12.000000”,
“timezone_type”: 3,
“timezone”: “Asia/Shanghai”
},
并不是想象中的
“created_at”: “2017-09-27 13:49:39”,
方法二:
class User extends Model {
const UPDATED_AT = null;//设置update_at为null
//const CREATED_AT = null;
}
此处有坑:使用destroy删除会报错
Missing argument 2 for Illuminate\Database\Eloquent\Model::setAttribute()
使用delete不影响,wherein也不影响
方法三:
class User extends Model {
//重写setUpdatedAt方法
public function setUpdatedAt($value) {
// Do nothing.
}
//public function setCreatedAt($value)
//{
// Do nothing.
//}
}
方法四:
class User extends Model {
//重写setUpdatedAt方法
public function setUpdatedAtAttribute($value) {
// Do nothing.
}
//public function setCreatedAtAttribute($value)
//{
// Do nothing.
//}
}
ps:
在Migration中也可以设置(具体没试过,在别的文章里看见的)
class CreatePostsTable extends Migration {
public function up() {
Schema::create('posts', function(Blueprint $table) {
$table->timestamp('created_at')
->default(DB::raw('CURRENT_TIMESTAMP'));
});
}
以上这篇laravel ORM 只开启created_at的几种方法总结就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持脚本之家。
laravel ORM 开启 created_at