$item = self::with(['techlist'=>function($query){
$query->with(['project'=>function($q){
$q->with('projectName')->where('is_recommend',1)
->orderRaw('rand()')
->field('project_id,id,tech_id');
}])->orderRaw('rand(),sort desc')
->field('id,store_id,avatar,nickname,en_name');
}])->field($field)
->find($id); 最佳答案
