fenleixinxi/application/admin/model/FcPost.php

<?php

namespace app\admin\model;

use think\Model;
use traits\model\SoftDelete;
use app\common\library\FcRelation;

class FcPost extends Model
{

    use SoftDelete;

    

    // 表名
    protected $name = 'fc_post';
    
    // 自动写入时间戳字段
    protected $autoWriteTimestamp = 'integer';

    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = 'updatetime';
    protected $deleteTime = 'deletetime';

    // 追加属性
    protected $append = [
        'user_name',
        'category_name',
    ];

    public function getUserNameAttr($value, $data)
    {
        return FcRelation::userName(isset($data['user_id']) ? $data['user_id'] : 0);
    }

    public function getCategoryNameAttr($value, $data)
    {
        return FcRelation::categoryName(isset($data['category_id']) ? $data['category_id'] : 0);
    }

    /**
     * 读取多媒体相册属性（兼容 JSON 数组与逗号分隔格式，供后台上传控件预览）
     *
     * @param mixed $value 数据库原始值
     * @return string 逗号分隔的图片路径字符串
     */
    public function getMediaAttr($value)
    {
        if (empty($value)) {
            return '';
        }
        if (is_array($value)) {
            return implode(',', array_filter($value));
        }
        $decoded = json_decode((string)$value, true);
        if (is_array($decoded)) {
            return implode(',', array_filter($decoded));
        }
        return (string)$value;
    }

    /**
     * 写入多媒体相册属性（保存为标准 JSON 字符串，兼容移动端与接口）
     *
     * @param mixed $value 前端提交的值
     * @return string 标准 JSON 格式存储
     */
    public function setMediaAttr($value)
    {
        if (is_array($value)) {
            return json_encode(array_values(array_filter($value)), JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
        }
        if (is_string($value)) {
            $trimmed = trim($value);
            if ($trimmed === '') {
                return '[]';
            }
            if (strpos($trimmed, '[') === 0) {
                return $trimmed;
            }
            $arr = array_filter(array_map('trim', explode(',', $trimmed)));
            return json_encode(array_values($arr), JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
        }
        return '[]';
    }

    protected static function init()
    {
        $syncArea = function ($row) {
            $name = isset($row['area']) ? trim((string)$row['area']) : '';
            if ($name === '') {
                $row['district_id'] = 0;
                return;
            }
            $area = \think\Db::name('fc_area')->where('district', $name)->find();
            $row['district_id'] = $area ? (int)$area['id'] : 0;
        };
        self::beforeInsert($syncArea);
        self::beforeUpdate($syncArea);
    }
    

    







}