tp6/app/common/BaseValidate.php

<?php
declare (strict_types = 1);
namespace app\common;

use think\exception\ValidateException;
use think\Validate;

class BaseValidate extends Validate
{
    /**
     * @param $params
     * @param null $scene
     * @return bool
     */
    public function goCheck($params,$scene = '')
    {
        //须设置content-type:application/json
        $result = $this->scene($scene)->check($params);
        if (!$result) {
             throw new ValidateException(is_array($this->error) ? implode(
                ';', $this->error) : $this->error);
        }else{
            return true;
        }
    }

    /**
     * 正整数验证
     * @param $value
     * @param string $rule
     * @param string $data
     * @param string $field
     * @return bool|string
     */
    protected function isPositiveInteger($value, $rule='', $data='', $field='')
    {
        if (is_numeric($value) && is_int($value + 0) && ($value + 0) > 0) {
            return true;
        }
        return $field . '必须是正整数';
    }
}