ball/app/api/logic/RegionLogic.php

<?php
namespace app\api\logic;
use app\common\logic\BaseLogic;
use app\common\model\article\Article;
use app\common\model\decorate\DecoratePage;
use app\common\model\decorate\DecorateTabbar;
use app\common\model\setting\PostageRegion;
use app\common\service\ConfigService;
use app\common\service\FileService;
use think\Exception;

/**
 * index
 * Class RegionLogic
 * @package app\api\logic
 */
class RegionLogic extends BaseLogic
{
    /**
     * 获取城市列表
     * @return array
     */
    public static function getRegionList()
    {
        $area_list = PostageRegion::cache(true,86400)->where('first','<>','')->field('id,name,pid')->order('sorts asc,id asc')->select()->toArray();
        foreach ($area_list as &$vo) {
            $vo['field'] = self::get_first_char($vo['name']);
        }
        $arr = self::array_group_by($area_list, 'field');
        ksort($arr);
        $citys = array();
        foreach ($arr as $keys=>$vo){
            $citys[] = ['key'=>$keys,'list'=>$vo];
        }
        ksort($citys);

        //获取热门城市
        $map['id'] = ['in','1710'];
        $hot_list = PostageRegion::cache(true,86400)->where($map)->field('id,pid,name')->order('first asc')->select()->toArray();
        $list = ['hot_list'=>$hot_list,'city_list'=> $citys];
        return $list;
    }

    /**
     * 获取定位信息
     * @param $params
     * @return false|mixed|void
     */
    public static function getLocation($params)
    {
        try {
            $location = $params['latitude'].','.$params['longitude'];
            $key = 'SEGBZ-P3PK6-CU5SB-MQLQP-ZDPJS-PHFR6';
            $url = 'https://apis.map.qq.com/ws/geocoder/v1/?location=' . $location . '&key='.$key.'&get_poi=1';
            $result = http_request($url);
            if(empty($result)){
                throw new Exception('定位请求失败');
            }
            if ($result['status'] === 0) {
                //获取城市id
                $city_id = Area::where(['name'=>['like',"%".$result['result']['address_component']['city']."%"]])->value('id');
                $result['result']['address_component']['city_id'] = $city_id;
                return $result['result']['address_component'];
            }
        } catch (\Exception $e) {
            self::$error = $e->getMessage();
            return false;
        }
    }

    public static function get_first_char($s)
    {
        $s0 = mb_substr(self::my_trim($s), 0, 1); //获取名字的姓
        try {
            $s = iconv('UTF-8', 'GB2312', $s0); //将UTF-8转换成GB2312编码
        } catch (\Exception $e) {
            return 'Z#';
        }
        if (ord($s0) > 128) { //汉字开头，汉字没有以U、V开头的
            $asc = ord($s[0]) * 256 + ord($s[1]) - 65536;
            if ($asc >= -20319 and $asc <= -20284) return "A";
            if ($asc >= -20283 and $asc <= -19776) return "B";
            if ($asc >= -19775 and $asc <= -19219) return "C";
            if ($asc >= -19218 and $asc <= -18711) return "D";
            if ($asc >= -18710 and $asc <= -18527) return "E";
            if ($asc >= -18526 and $asc <= -18240) return "F";
            if ($asc >= -18239 and $asc <= -17760) return "G";
            if ($asc >= -17759 and $asc <= -17248) return "H";
            if ($asc >= -17247 and $asc <= -17418) return "I";
            if ($asc >= -17417 and $asc <= -16475) return "J";
            if ($asc >= -16474 and $asc <= -16213) return "K";
            if ($asc >= -16212 and $asc <= -15641) return "L";
            if ($asc >= -15640 and $asc <= -15166) return "M";
            if ($asc >= -15165 and $asc <= -14923) return "N";
            if ($asc >= -14922 and $asc <= -14915) return "O";
            if ($asc >= -14914 and $asc <= -14631) return "P";
            if ($asc >= -14630 and $asc <= -14150) return "Q";
            if ($asc >= -14149 and $asc <= -14091) return "R";
            if ($asc >= -14090 and $asc <= -13319) return "S";
            if ($asc >= -13318 and $asc <= -12839) return "T";
            if ($asc >= -12838 and $asc <= -12557) return "W";
            if ($asc >= -12556 and $asc <= -11848) return "X";
            if ($asc >= -11847 and $asc <= -11056) return "Y";
            if ($asc >= -11055 and $asc <= -10247) return "Z";
        } else if (ord($s) >= 48 and ord($s) <= 57) { //数字开头
            switch (iconv_substr($s, 0, 1, 'utf-8')) {
                case 1:
                    return "Y";
                case 2:
                    return "E";
                case 3:
                    return "S";
                case 4:
                    return "S";
                case 5:
                    return "W";
                case 6:
                    return "L";
                case 7:
                    return "Q";
                case 8:
                    return "B";
                case 9:
                    return "J";
                case 0:
                    return "L";
            }
        } else if (ord($s) >= 65 and ord($s) <= 90) { //大写英文开头
            return substr($s, 0, 1);
        } else if (ord($s) >= 97 and ord($s) <= 122) { //小写英文开头
            return strtoupper(substr($s, 0, 1));
        } else {
            return iconv_substr($s0, 0, 1, 'utf-8');//中英混合的词语，不适合上面的各种情况，因此直接提取首个字符即可
        }
    }

    public static function array_group_by($arr, $key)
    {
        $grouped = array();
        foreach ($arr as $value) {
            $grouped[$value[$key]][] = $value;
        }
        if (func_num_args() > 2) {
            $args = func_get_args();
            foreach ($grouped as $key => $value) {
                $parms = array_merge($value, array_slice($args, 2, func_num_args()));
                $grouped[$key] = call_user_func_array('array_group_by', $parms);
            }
        }
        return $grouped;
    }

    public static function my_trim($str)
    {
        $search = array(" ", "　", "\n", "\r", "\t");
        $replace = array("", "", "", "", "");
        return str_replace($search, $replace, $str);
    }
}