下面由Laravel框架教程栏目给大家介绍Laravel ORM只开启created_at的几种方法,希望对需要的朋友有所帮助!
方法一:
class User extends Model {public $timestamps = false;//关闭自动维护public static function boot() {parent::boot();#只添加created_at不添加updated_atstatic::creating(function ($model) {$model->created_at = $model->freshTimestamp();//$model->updated_at = $model->freshTimeStamp();});}}
此处有坑:使用create方法创建一条记录时返回值的created的值是这样的:
“created_at”: {“date”: “2020-09-27 13:47:12.000000”,“timezone_type”: 3,“timezone”: “Asia/Shanghai”},
并不是想象中的
“created_at”: “2020-09-27 13:49:39”,
方法二:
class User extends Model {const UPDATED_AT = null;//设置update_at为null//const CREATED_AT = null;}
此处有坑:使用destroy删除会报错
Missing argument 2 for Illuminate\Database\Eloquent\Model::setAttribute()
使用delete不影响,游戏账号购买平台地图wherein也不影响
方法三:
class User extends Model {//重写setUpdatedAt方法public function setUpdatedAt($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.//}}
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'));});}