guoyao-jiankang/application/common/validate/WxGoods.php

<?php
namespace app\common\validate;

use think\Validate;
use think\Db;
class WxGoods extends Validate{

    protected $rule = [
        'title|商品名称'  =>  'require|length:1,20|checkUnique',
        'img|商品图片'  =>  'require',
        'imgs|宣传图'  =>  'require',
        'price|商品价格'  =>  'require',
//        'stock|库存'  =>  'require',
        'cate_id|商品分类'  =>  'require|gt:0',
        'content|详情'  =>  'require',
    ];

    protected $message = [
        'cate_id.require'=>'商品分类不能为空',
        'cate_id.gt'=>'商品分类不能为空'
    ];

    protected function checkUnique($value, $rule, $data=[]){
        if(isset($data['id']) && $data['id'] > 0){
            $ret = Db::name('wx_goods')
                ->where('del',0)
                ->where('title',$data['title'])
                ->where('org_id',$data['org_id'])
                ->where('id','<>',$data['id'])
                ->find();
        }else{
            $ret = Db::name('wx_goods')
                ->where('del',0)
                ->where('title',$data['title'])
                ->where('org_id',$data['org_id'])
                ->find();
        }

        return $ret?'名称已被使用':true;
    }

}