baoshi-was/app/Services/OwnerPriceLogisticService.php

<?php 

namespace App\Services; 

use App\OwnerPriceLogistic;

Class OwnerPriceLogisticService
{ 
    public function paginate()
    {
        return OwnerPriceLogistic::query()->with(["owners","logistics","unit","otherUnit"])->paginate(50);
    }

    public function create(array $params)
    {
        return OwnerPriceLogistic::query()->create($params);
    }

    public function find($id)
    {
        return OwnerPriceLogistic::query()->find($id);
    }

    public function update(array $params, array $values)
    {
        $query = OwnerPriceLogistic::query();
        foreach ($params as $column=>$param){
            $query->where($column,$params);
        }
        return $query->update($values);
    }

    public function checkRange($range):bool
    {
        $arrRanges = explode(",",$range);
        $len = count($arrRanges);
        if ($len==0)return false;   //范围为空 false
        $previous = []; //慢指针数组 不记录第一个值
        foreach ($arrRanges as $index => $value){
            if ($index == $len-1)$preg = "/\d*\-/"; //最后一个范围不允许封闭
            else $preg = "/\d*\-\d*/";
            preg_match($preg, $value, $match);
            if (!$match || $match[0]!=$value)return false;//匹配结果不等于值 false
            $arr = explode("-",$value); //二次切割判断是否连续
            if ($index != 0){
                if ($index == $len-1){
                    if ((int)$arr[0] != (int)$previous[$index-1][1])return false; //最后一个范围只需要判断起始值
                }else{
                    if ((int)$arr[0] != (int)$previous[$index-1][1] || (int)$arr[1] <= (int)$arr[0])return false; //普通范围起始值必须为上一个结束值 当前结束值必须大于起始值
                }
            }else{
                if ((int)$arr[1] <= (int)$arr[0])return false; //第一个范围只需判断当前结束值大于起始值
            }
            $previous[] = $arr;
        }
        return true;
    }
}