初始化仓库

app/common/lists/ListsSortTrait.php

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+<?php
+// +----------------------------------------------------------------------
+// | likeadmin快速开发前后端分离管理后台（PHP版）
+// +----------------------------------------------------------------------
+// | 欢迎阅读学习系统程序代码，建议反馈是我们前进的动力
+// | 开源版本可自由商用，可去除界面版权logo
+// | gitee下载：https://gitee.com/likeshop_gitee/likeadmin
+// | github下载：https://github.com/likeshop-github/likeadmin
+// | 访问官网：https://www.likeadmin.cn
+// | likeadmin团队 版权所有 拥有最终解释权
+// +----------------------------------------------------------------------
+// | author: likeadminTeam
+// +----------------------------------------------------------------------
+
+
+namespace app\common\lists;
+
+
+trait ListsSortTrait
+{
+
+    protected string $orderBy;
+    protected string $field;
+
+    /**
+     * @notes 生成排序条件
+     * @param $sortField
+     * @param $defaultOrder
+     * @return array|string[]
+     * @author 令狐冲
+     * @date 2021/7/16 00:06
+     */
+    private function createOrder($sortField, $defaultOrder)
+    {
+        if (empty($sortField) || empty($this->orderBy) || empty($this->field) || !in_array($this->field, array_keys($sortField))) {
+            return $defaultOrder;
+        }
+
+        if (isset($sortField[$this->field])) {
+            $field = $sortField[$this->field];
+        } else {
+            return $defaultOrder;
+        }
+
+        if ($this->orderBy == 'desc') {
+            return [$field => 'desc'];
+        }
+        if ($this->orderBy == 'asc') {
+            return [$field => 'asc'];
+        }
+        return $defaultOrder;
+    }
+}