https://learnku.com/docs/laravel/5.8/eloquent/3931
示例1：
$flights = App\Flight::all();
foreach ($flights as $flight) {
echo $flight->name;
}
函数源码参考： vendor\laravel\framework\src\Illuminate\Database\Eloquent\Model.php
示例2：
$flights = App\Flight::where(‘active‘, 1) ->orderBy(‘name‘, ‘desc‘) ->take(10) ->get();
https://learnku.com/docs/laravel/5.8/queries/3926
函数源码参考：
vendor\laravel\framework\src\Illuminate\Database\Concerns\BuildsQueries.php
vendor\laravel\framework\src\Illuminate\Database\Query\Builder.php
以上都是最基本的
eloquent 的优雅性，以后再写
原文：https://www.cnblogs.com/cbugs/p/11248377.html