first commit

app/common/model/system/Department.php

@@ -0,0 +1,47 @@
+<?php
+declare (strict_types = 1);
+
+namespace app\common\model\system;
+
+use think\Model;
+use think\facade\Db;
+use think\model\concern\SoftDelete;
+
+/**
+ * @mixin \think\Model
+ */
+class Department extends Model
+{
+    use SoftDelete;
+    
+    // 定义时间戳字段名
+    protected $createTime = 'create_time';
+	protected $updateTime = 'update_time';
+
+    /**
+     * 树形分类
+     * @return array
+     * @throws \think\db\exception\DataNotFoundException
+     * @throws \think\db\exception\DbException
+     * @throws \think\db\exception\ModelNotFoundException
+     */
+	public static function getListTree(): array
+    {
+        $array = self::select()->toArray();
+		if (is_array($array) && !empty($array)) {
+			return list_to_tree($array);
+		}
+
+        return [];
+	}
+
+    // 字段修改器
+    public function setSortAttr($value) 
+    {
+        if (is_empty($value)) {
+            return self::max('id') + 1;
+        }
+        return $value;
+	}
+	
+}