jya-oa-api/application/common/validate/FinanceLog.php

<?php
namespace app\common\validate;

use think\Db;
use think\Validate;

class FinanceLog extends Validate{

    protected $rule = [
        'income|收入'  =>  'require|egt:0',
        'expenditure|支出'  =>  'require|egt:0',
        'day|日期'  =>  'require|date|checkUnique',
    ];

    protected $message = [

    ];

    protected $scene = [

    ];

    protected function checkUnique($value,$rule,$data=[])
    {
        $info = Db::name('finance_log')->where('day',$value)->where('org_id',$data['org_id'])->find();
        if($data['id'] <= 0 && $info){
            return '日期已被使用';
        }
        if($info && $data['id'] > 0 && $info['id'] != $data['id']){
            return '日期已被使用';
        }
        return true;
    }

}