PHP自动（智能）识别地址到表单

/** @var  UserRepository */
private $userRepository;
public function __construct(UsersRepository $userRepo)
{
    $this->userRepository = $userRepo;
}
/**
 * Function:地址识别
 * Author:cyw0413
 * @param Request $request
 * @return \Illuminate\Contracts\Routing\ResponseFactory|\Illuminate\Http\Response|
 * \Laravel\Lumen\Http\ResponseFactory|\Symfony\Component\HttpFoundation\Response
 */
public function getDiscern(Request $request)
{
    $discernDel = $request->input('discernDel');
    try{
       DB::beginTransaction();
       $address = $this->userRepository->getDiscern($discernDel);
       DB::commit();

    }catch (\Exception $e){
        DB::rollBack();
        $msg = "信息提示:".$e->getMessage()."，行:".$e->getLine();
        return response(['code' => 0, 'msg'=>$msg]);
    }

    return response(['code'=>1,'msg'=>$address]);   //地址识别完成

}

/**
 * Function:识别地址
 * Author:cyw0413
 */
public function getDiscern($discernDel)
{
    if (empty($discernDel)) {
        throw new  \Exception("请传入要识别的地址");
    }

    $discernDel_left = explode ('[', $discernDel);
    if (!isset($discernDel_left[1])) {
        throw new  \Exception("你填写的地址规则错误,手机号码应该用[]");
    }
    $discernDel_right = explode (']', $discernDel_left[1]);
    if (!isset($discernDel_right[1]) || empty($discernDel_right[1])) {
        throw new  \Exception("你填写的地址规则错误,手机号码应该用[]");
    }

    $name = $discernDel_left[0];
    if (empty($name)) {
        throw new  \Exception("你填写的姓名有误！");
    }
    $mobile = $discernDel_right[0];
    if (empty($mobile) || checkMobile($mobile) == 0) {
        throw new  \Exception("你填写的手机号码格式有误！");
    }
    $address = trim ($discernDel_right[1]);
    if (empty($address)) {
        throw new  \Exception("你填写的地址不能为空");
    }

    $var_address = $this->getAddressArrar($address);
    $var_address['name'] = $name;
    $var_address['mobile'] = $mobile;

    return $var_address;

}

/**
 * Function:地址的处理
 * Author:cyw0413
 * @param $address
 * @return array
 * @throws \Exception
 */
function getAddressArrar($address){
    // 获取所有地址递归列表
    $regions = $this->getRegions();
    // 初始化数据
    $province = $city = $district = [];
    // 先查找省份-第一级地区
    $province = $this->checkAddress($address, $regions);
    if($province){

        $province_arr = ['110000','300000','404100','310000'];  //4个市辖区如果地址不存在二级（市辖区，县），则特殊处理
        if(!isset($province['region_code'])){
            throw new \Exception("请正确填写省份(市辖区)");
        }
        // 查找城市-第二级地区
        $city = $this->checkAddress($address, $province['list']);
        //这里只处理4个市辖区，可能还有多种情况，待发现
        if(in_array($province['region_code'],$province_arr)  && count($city['list']) == 0){
            $city = $this->checkAddress('市辖区', $province['list']);
            if($city){
                // 查找地区-第三级地区
                $district = $this->checkAddress($address, $city['list']);
                //如果没有找到，则查找另外一个二级地区
                if(!isset($district['region_code'])){
                    $city = $this->checkAddress('县', $province['list']);
                    // 查找地区-第三级地区
                    $district = $this->checkAddress($address, $city['list']);
                }
            }
        }else{

            if($city){
                // 查找地区-第三级地区
                $district = $this->checkAddress($address, $city['list']);
            }
        }

    }else{
        //省份不填，报错误
        throw new \Exception("省份没填写，请检查");
    }

    return $this->getAddressInfo($address, $province, $city, $district);
}


/**
 * 匹配正确的城市地址
 * @param $address
 * @param $city_list
 * @param int $force
 * @param int $str_len
 * @return array
 **/
function checkAddress($address, $city_list, $force=false, $str_len=2){
    $num = 0;
    $list = array();
    $result = array();
    // 遍历所有可能存在的城市
    foreach ($city_list as $city_key=>$city){
        $city_name = mb_substr($city['region_name'], 0, $str_len,'utf-8');
        // 判断是否存包含当前地址字符
        $city_arr = explode($city_name, $address);


        // 如果存在相关字眼，保存该地址的所有子地址
        if(count($city_arr) >= 2){
            // 必须名称长度同时达到当前比对长度
            if(strlen($city['region_name']) < $str_len){
                continue;
            }
            $num ++;
            if(isset($city['child'])){
                $list = $list + $city['child'];
            }

            $result[] = array(
                'region_code' => $city_key,
                'region_name' => $city['region_name'],
                'list' =>$list,
            );
        }
    }

    // 如果有多个存在，则加大字符匹配长度
    if($num > 1 || $force){
        $region_name1 = $result[0]['region_name'];
        $region_name2 = $result[1]['region_name'];

        if(strlen($region_name1) == strlen($region_name2) && strlen($region_name1) == $str_len){
            $region_id1 = $result[0]['region_code'];
            $region_id2 = $result[1]['region_code'];
            $index = $region_id1 > $region_id2 ? 1 : 0;
            $result = $result[$index];
            return $result;
        }
        return $this->checkAddress($address, $city_list, $force, $str_len+1);
    } else {
        $result[0]['list'] = $list;
        return $result[0];
    }
}


/**
 * 根据原地址返回详细信息
 * @param $address
 * @param $province
 * @param $city
 * @param $area
 * @return array
 **/
function getAddressInfo($address, $province, $city, $district){
    // 查找最后出现的地址 - 截取详细信息
    if(!isset($province['region_name'])){
        throw new \Exception("请检查并正确填写省份(市辖区)");
    }
    if(!isset($city['region_name'])){
        throw new \Exception("请检查并正确填写城市");
    }
    if(!isset($district['region_name'])){
        throw new \Exception("请检查并正确填写区域(县/区/镇)");
    }
    $find_str = '';
    if($province['region_name']){
        $find_str = $province['region_name'];
        if($city['region_name']){
            $find_str = $city['region_name'];
            if(isset($district['region_name']) && $district['region_name']){
                $find_str = $district['region_name'];
            }
        }
    }
    // 截取详细的信息
    $find_str_len = mb_strlen($find_str,'utf-8');
    for($i=0; $i<$find_str_len-1; $i++){
        $substr = mb_substr($find_str,0,$find_str_len - $i, 'utf-8');
        $end_index = mb_strpos($address, $substr);
        if ($end_index){
            $address = mb_substr($address, $end_index + mb_strlen($substr) , mb_strlen($address) - $end_index);
        }
    }
    !empty($find_str) && $find_str = '|\S*' . $find_str;
    $area['info'] = preg_replace("/\s*|,|，|:|：{$find_str}/i", '', $address);
    if(empty($area['info'])){
        throw new \Exception("详细地址不存在，请检查");
    }

    return $address = [
        'province' => $province['region_code'],
        'city'     => $city['region_code'],
        'district' => $district['region_code'],
        'info'     => $area['info']
    ];
}

<div class="form-group">
   {!! Form::label('discern', '自动识别地址:',['class' => 'control-label col-sm-2']) !!}
   <div class="col-sm-5">
      {!! Form::textarea('discern', '', ['class' => 'form-textarea form-control form-discern','rows' => 3]) !!}
   </div>
   <div class="col-sm-3" style="height: 75px;">
      <button type="button" class="btn btn-info btn-sm discern" onclick="getDiscern();" >提交识别</button>
      <small class="ruleGet" style="color: #676a74;">*查看模板</small>
   </div>

</div>

/**
 * 地址识别
 * @returns {boolean}
 */
function getDiscern(){
    var discernDel = $(".form-discern").val();
    if(!discernDel){
        alert("请输入要识别的地址");
        return false;
    }

    $.ajax({
        type: 'POST',
        url: "{!! route('admin.user.getDiscern') !!}",
        data: {
            '_token': csrf_token(),
            'discernDel': discernDel
        },
        dataType: 'json',
        timeout: 50000,
        success: function (res) {
            if (res.code == 1) {
                $("input[name='addr[linkman]']").val(res.msg.name);
                $("input[name='user_name']").val(res.msg.mobile);
                $("input[name='addr[address]']").val(res.msg.info);

                //触发change事件
         $('#province').val(res.msg.province).trigger('change');
                $('#city').val(res.msg.city).trigger('change');
                $('#area').val(res.msg.district).trigger('change');

                //识别后清除
         $(".form-discern").val("");

            } else {
                alert(res.msg);
            }
        }
    })

}