<?php namespace app\common\model; use think\Model; class Attachment extends Model { // 开启自动写入时间戳字段 protected $autoWriteTimestamp = 'int'; // 定义时间戳字段名 protected $createTime = 'createtime'; protected $updateTime = 'updatetime'; // 定义字段类型 protected $type = [ ]; public function setUploadtimeAttr($value) { return is_numeric($value) ? $value : strtotime($value); } public static function getMimetypeList() { $data = [ "image/*" => "图片", "audio/*" => "音频", "video/*" => "视频", "text/*" => "文档", "application/*" => "应用", "zip,rar,7z,tar" => "压缩包", ]; return $data; } protected static function init() { // 如果已经上传该资源,则不再记录 self::beforeInsert(function ($model) { if (self::where('url', '=', $model['url'])->find()) { return false; } }); } }