baoshi-was/app/Services/ProvinceService.php

<?php

namespace App\Services;

use App\Province;

Class ProvinceService
{
    public static $provinces = ['青海','新疆','内蒙古','广西','西藏','宁夏','北京','上海','重庆','天津'];

    /**
     * @param string $name
     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Eloquent\Model|object|null
     */
    public function findByName($name)
    {
        $province = Province::query()->where('name',$name)->first();
        if(isset($province))return $province;
        foreach (ProvinceService::$provinces as $province) {
            if(strstr($province,$name) != null){
                return Province::query()->where('name',$province)->first();
            }
        }
        if(str_ends_with($name,'市')){
            $province_name = str_split(strpos($name,'市'))[0];
            return   Province::query()->where('name','like',$province_name.'%')->first();
        }
        if(str_ends_with($name,'省')){
            $province_name = str_split(strpos($name,'省'))[0];
            return   Province::query()->where('name','like',$province_name.'%')->first();
        }
        return null;
    }
}