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app/Traits/WithPosition.php

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+<?php
+
+namespace App\Traits;
+
+use Illuminate\Database\Eloquent\Builder;
+
+trait WithPosition
+{
+    /**
+     * Notes   : 获取定位的数组
+     *
+     * @Date   : 2021/7/2 11:31 上午
+     * @Author : <Jason.C>
+     */
+    protected function getPositionMap(): array
+    {
+        return $this->position_map ?? [];
+    }
+
+    /**
+     * Notes: 定位查询作用域
+     *
+     * @Author: Mr.wang
+     * @Date  : 2021/5/11 10:48
+     * @param  Builder  $query
+     * @param  int  $pos
+     * @return Builder
+     */
+    public function scopeOfPosition(Builder $query, int $pos): Builder
+    {
+        return $query->whereRaw('position & '.$pos);
+    }
+
+    /**
+     * Notes: 设置定位
+     *
+     * @Author: Mr.wang
+     * @Date  : 2020/5/11 10:48
+     * @param  array  $value
+     */
+    protected function setPositionAttribute(array $value): void
+    {
+        if (! blank($value)) {
+            $this->attributes['position'] = array_sum($value);
+        }
+    }
+
+    /**
+     * Notes: 获取定位数据
+     *
+     * @Author:  Mr.wang
+     * @Date  : 2020/5/11 10:48
+     * @param  int  $value
+     * @return array
+     */
+    protected function getPositionAttribute(int $value): array
+    {
+        $position = [];
+        foreach ($this->getPositionMap() as $k => $v) {
+            if ($k & $value) {
+                $position[] = $k;
+            }
+        }
+
+        return $position;
+    }
+}