<?php

// 公共助手函数

use Symfony\Component\VarExporter\VarExporter;
use think\exception\HttpResponseException;
use think\Response;

if (!function_exists('__')) {

    /**
     * 获取语言变量值
     * @param string $name 语言变量名
     * @param array  $vars 动态变量值
     * @param string $lang 语言
     * @return mixed
     */
    function __($name, $vars = [], $lang = '')
    {
        if (is_numeric($name) || !$name) {
            return $name;
        }
        if (!is_array($vars)) {
            $vars = func_get_args();
            array_shift($vars);
            $lang = '';
        }
        return \think\Lang::get($name, $vars, $lang);
    }
}

if (!function_exists('format_bytes')) {

    /**
     * 将字节转换为可读文本
     * @param int    $size      大小
     * @param string $delimiter 分隔符
     * @param int    $precision 小数位数
     * @return string
     */
    function format_bytes($size, $delimiter = '', $precision = 2)
    {
        $units = array('B', 'KB', 'MB', 'GB', 'TB', 'PB');
        for ($i = 0; $size >= 1024 && $i < 6; $i++) {
            $size /= 1024;
        }
        return round($size, $precision) . $delimiter . $units[$i];
    }
}

if (!function_exists('datetime')) {

    /**
     * 将时间戳转换为日期时间
     * @param int    $time   时间戳
     * @param string $format 日期时间格式
     * @return string
     */
    function datetime($time, $format = 'Y-m-d H:i:s')
    {
        $time = is_numeric($time) ? $time : strtotime($time);
        return date($format, $time);
    }
}

if (!function_exists('human_date')) {

    /**
     * 获取语义化时间
     * @param int $time  时间
     * @param int $local 本地时间
     * @return string
     */
    function human_date($time, $local = null)
    {
        return \fast\Date::human($time, $local);
    }
}

if (!function_exists('cdnurl')) {

    /**
     * 获取上传资源的CDN的地址
     * @param string  $url    资源相对地址
     * @param boolean $domain 是否显示域名 或者直接传入域名
     * @return string
     */
    function cdnurl($url, $domain = false)
    {
        $regex = "/^((?:[a-z]+:)?\/\/|data:image\/)(.*)/i";
        $cdnurl = \think\Config::get('upload.cdnurl');
        $url = preg_match($regex, $url) || ($cdnurl && stripos($url, $cdnurl) === 0) ? $url : $cdnurl . $url;
        if ($domain && !preg_match($regex, $url)) {
            $domain = is_bool($domain) ? request()->domain() : $domain;
            $url = $domain . $url;
        }
        return $url;
    }
}


if (!function_exists('is_really_writable')) {

    /**
     * 判断文件或文件夹是否可写
     * @param string $file 文件或目录
     * @return    bool
     */
    function is_really_writable($file)
    {
        if (DIRECTORY_SEPARATOR === '/') {
            return is_writable($file);
        }
        if (is_dir($file)) {
            $file = rtrim($file, '/') . '/' . md5(mt_rand());
            if (($fp = @fopen($file, 'ab')) === false) {
                return false;
            }
            fclose($fp);
            @chmod($file, 0777);
            @unlink($file);
            return true;
        } elseif (!is_file($file) or ($fp = @fopen($file, 'ab')) === false) {
            return false;
        }
        fclose($fp);
        return true;
    }
}

if (!function_exists('rmdirs')) {

    /**
     * 删除文件夹
     * @param string $dirname  目录
     * @param bool   $withself 是否删除自身
     * @return boolean
     */
    function rmdirs($dirname, $withself = true)
    {
        if (!is_dir($dirname)) {
            return false;
        }
        $files = new RecursiveIteratorIterator(
            new RecursiveDirectoryIterator($dirname, RecursiveDirectoryIterator::SKIP_DOTS),
            RecursiveIteratorIterator::CHILD_FIRST
        );

        foreach ($files as $fileinfo) {
            $todo = ($fileinfo->isDir() ? 'rmdir' : 'unlink');
            $todo($fileinfo->getRealPath());
        }
        if ($withself) {
            @rmdir($dirname);
        }
        return true;
    }
}

if (!function_exists('copydirs')) {

    /**
     * 复制文件夹
     * @param string $source 源文件夹
     * @param string $dest   目标文件夹
     */
    function copydirs($source, $dest)
    {
        if (!is_dir($dest)) {
            mkdir($dest, 0755, true);
        }
        foreach (
            $iterator = new RecursiveIteratorIterator(
                new RecursiveDirectoryIterator($source, RecursiveDirectoryIterator::SKIP_DOTS),
                RecursiveIteratorIterator::SELF_FIRST
            ) as $item
        ) {
            if ($item->isDir()) {
                $sontDir = $dest . DS . $iterator->getSubPathName();
                if (!is_dir($sontDir)) {
                    mkdir($sontDir, 0755, true);
                }
            } else {
                copy($item, $dest . DS . $iterator->getSubPathName());
            }
        }
    }
}

if (!function_exists('mb_ucfirst')) {
    function mb_ucfirst($string)
    {
        return mb_strtoupper(mb_substr($string, 0, 1)) . mb_strtolower(mb_substr($string, 1));
    }
}

if (!function_exists('addtion')) {

    /**
     * 附加关联字段数据
     * @param array $items  数据列表
     * @param mixed $fields 渲染的来源字段
     * @return array
     */
    function addtion($items, $fields)
    {
        if (!$items || !$fields) {
            return $items;
        }
        $fieldsArr = [];
        if (!is_array($fields)) {
            $arr = explode(',', $fields);
            foreach ($arr as $k => $v) {
                $fieldsArr[$v] = ['field' => $v];
            }
        } else {
            foreach ($fields as $k => $v) {
                if (is_array($v)) {
                    $v['field'] = isset($v['field']) ? $v['field'] : $k;
                } else {
                    $v = ['field' => $v];
                }
                $fieldsArr[$v['field']] = $v;
            }
        }
        foreach ($fieldsArr as $k => &$v) {
            $v = is_array($v) ? $v : ['field' => $v];
            $v['display'] = isset($v['display']) ? $v['display'] : str_replace(['_ids', '_id'], ['_names', '_name'], $v['field']);
            $v['primary'] = isset($v['primary']) ? $v['primary'] : '';
            $v['column'] = isset($v['column']) ? $v['column'] : 'name';
            $v['model'] = isset($v['model']) ? $v['model'] : '';
            $v['table'] = isset($v['table']) ? $v['table'] : '';
            $v['name'] = isset($v['name']) ? $v['name'] : str_replace(['_ids', '_id'], '', $v['field']);
        }
        unset($v);
        $ids = [];
        $fields = array_keys($fieldsArr);
        foreach ($items as $k => $v) {
            foreach ($fields as $m => $n) {
                if (isset($v[$n])) {
                    $ids[$n] = array_merge(isset($ids[$n]) && is_array($ids[$n]) ? $ids[$n] : [], explode(',', $v[$n]));
                }
            }
        }
        $result = [];
        foreach ($fieldsArr as $k => $v) {
            if ($v['model']) {
                $model = new $v['model'];
            } else {
                $model = $v['name'] ? \think\Db::name($v['name']) : \think\Db::table($v['table']);
            }
            $primary = $v['primary'] ? $v['primary'] : $model->getPk();
            $result[$v['field']] = isset($ids[$v['field']]) ? $model->where($primary, 'in', $ids[$v['field']])->column("{$primary},{$v['column']}") : [];
        }

        foreach ($items as $k => &$v) {
            foreach ($fields as $m => $n) {
                if (isset($v[$n])) {
                    $curr = array_flip(explode(',', $v[$n]));

                    $v[$fieldsArr[$n]['display']] = implode(',', array_intersect_key($result[$n], $curr));
                }
            }
        }
        return $items;
    }
}

if (!function_exists('var_export_short')) {

    /**
     * 使用短标签打印或返回数组结构
     * @param mixed   $data
     * @param boolean $return 是否返回数据
     * @return string
     */
    function var_export_short($data, $return = true)
    {
        return var_export($data, $return);
        $replaced = [];
        $count = 0;

        //判断是否是对象
        if (is_resource($data) || is_object($data)) {
            return var_export($data, $return);
        }

        //判断是否有特殊的键名
        $specialKey = false;
        array_walk_recursive($data, function (&$value, &$key) use (&$specialKey) {
            if (is_string($key) && (stripos($key, "\n") !== false || stripos($key, "array (") !== false)) {
                $specialKey = true;
            }
        });
        if ($specialKey) {
            return var_export($data, $return);
        }
        array_walk_recursive($data, function (&$value, &$key) use (&$replaced, &$count, &$stringcheck) {
            if (is_object($value) || is_resource($value)) {
                $replaced[$count] = var_export($value, true);
                $value = "##<{$count}>##";
            } else {
                if (is_string($value) && (stripos($value, "\n") !== false || stripos($value, "array (") !== false)) {
                    $index = array_search($value, $replaced);
                    if ($index === false) {
                        $replaced[$count] = var_export($value, true);
                        $value = "##<{$count}>##";
                    } else {
                        $value = "##<{$index}>##";
                    }
                }
            }
            $count++;
        });

        $dump = var_export($data, true);

        $dump = preg_replace('#(?:\A|\n)([ ]*)array \(#i', '[', $dump); // Starts
        $dump = preg_replace('#\n([ ]*)\),#', "\n$1],", $dump); // Ends
        $dump = preg_replace('#=> \[\n\s+\],\n#', "=> [],\n", $dump); // Empties
        $dump = preg_replace('#\)$#', "]", $dump); //End

        if ($replaced) {
            $dump = preg_replace_callback("/'##<(\d+)>##'/", function ($matches) use ($replaced) {
                return isset($replaced[$matches[1]]) ? $replaced[$matches[1]] : "''";
            }, $dump);
        }

        if ($return === true) {
            return $dump;
        } else {
            echo $dump;
        }
    }
}

if (!function_exists('letter_avatar')) {
    /**
     * 首字母头像
     * @param $text
     * @return string
     */
    function letter_avatar($text)
    {
        $total = unpack('L', hash('adler32', $text, true))[1];
        $hue = $total % 360;
        list($r, $g, $b) = hsv2rgb($hue / 360, 0.3, 0.9);

        $bg = "rgb({$r},{$g},{$b})";
        $color = "#ffffff";
        $first = mb_strtoupper(mb_substr($text, 0, 1));
        $src = base64_encode('<svg xmlns="http://www.w3.org/2000/svg" version="1.1" height="100" width="100"><rect fill="' . $bg . '" x="0" y="0" width="100" height="100"></rect><text x="50" y="50" font-size="50" text-copy="fast" fill="' . $color . '" text-anchor="middle" text-rights="admin" dominant-baseline="central">' . $first . '</text></svg>');
        $value = 'data:image/svg+xml;base64,' . $src;
        return $value;
    }
}

if (!function_exists('hsv2rgb')) {
    function hsv2rgb($h, $s, $v)
    {
        $r = $g = $b = 0;

        $i = floor($h * 6);
        $f = $h * 6 - $i;
        $p = $v * (1 - $s);
        $q = $v * (1 - $f * $s);
        $t = $v * (1 - (1 - $f) * $s);

        switch ($i % 6) {
            case 0:
                $r = $v;
                $g = $t;
                $b = $p;
                break;
            case 1:
                $r = $q;
                $g = $v;
                $b = $p;
                break;
            case 2:
                $r = $p;
                $g = $v;
                $b = $t;
                break;
            case 3:
                $r = $p;
                $g = $q;
                $b = $v;
                break;
            case 4:
                $r = $t;
                $g = $p;
                $b = $v;
                break;
            case 5:
                $r = $v;
                $g = $p;
                $b = $q;
                break;
        }

        return [
            floor($r * 255),
            floor($g * 255),
            floor($b * 255)
        ];
    }
}

if (!function_exists('check_nav_active')) {
    /**
     * 检测会员中心导航是否高亮
     */
    function check_nav_active($url, $classname = 'active')
    {
        $auth = \app\common\library\Auth::instance();
        $requestUrl = $auth->getRequestUri();
        $url = ltrim($url, '/');
        return $requestUrl === str_replace(".", "/", $url) ? $classname : '';
    }
}

if (!function_exists('check_cors_request')) {
    /**
     * 跨域检测
     */
    function check_cors_request()
    {
        if (isset($_SERVER['HTTP_ORIGIN']) && $_SERVER['HTTP_ORIGIN']) {
            $info = parse_url($_SERVER['HTTP_ORIGIN']);
            $domainArr = explode(',', config('fastadmin.cors_request_domain'));
            $domainArr[] = request()->host(true);
            if (in_array("*", $domainArr) || in_array($_SERVER['HTTP_ORIGIN'], $domainArr) || (isset($info['host']) && in_array($info['host'], $domainArr))) {
                header("Access-Control-Allow-Origin: " . $_SERVER['HTTP_ORIGIN']);
            } else {
                $response = Response::create('跨域检测无效', 'html', 403);
                throw new HttpResponseException($response);
            }

            header('Access-Control-Allow-Credentials: true');
            header('Access-Control-Max-Age: 86400');

            if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
                if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_METHOD'])) {
                    header("Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS");
                }
                if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS'])) {
                    header("Access-Control-Allow-Headers: {$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']}");
                }
                $response = Response::create('', 'html');
                throw new HttpResponseException($response);
            }
        }
    }
}

if (!function_exists('xss_clean')) {
    /**
     * 清理XSS
     */
    function xss_clean($content, $is_image = false)
    {
        return \app\common\library\Security::instance()->xss_clean($content, $is_image);
    }
}

if (!function_exists('check_ip_allowed')) {
    /**
     * 检测IP是否允许
     * @param string $ip IP地址
     */
    function check_ip_allowed($ip = null)
    {
        $ip = is_null($ip) ? request()->ip() : $ip;
        $forbiddenipArr = config('site.forbiddenip');
        $forbiddenipArr = !$forbiddenipArr ? [] : $forbiddenipArr;
        $forbiddenipArr = is_array($forbiddenipArr) ? $forbiddenipArr : array_filter(explode("\n", str_replace("\r\n", "\n", $forbiddenipArr)));
        if ($forbiddenipArr && \Symfony\Component\HttpFoundation\IpUtils::checkIp($ip, $forbiddenipArr)) {
            $response = Response::create('请求无权访问', 'html', 403);
            throw new HttpResponseException($response);
        }
    }
}

//结果集信息里，生日转换年龄
function list_birthday_age($list){
    if(!$list || empty($list)){
        return $list;
    }
    foreach($list as $vo => $info){
        $list[$vo]['age'] = birthtime_to_age($info['birthday']);
    }
    return $list;
}
//结果集信息里，多个字段需要增加domain_cdnurl
function list_domain_image($list,$field){
    if(!$list || empty($list)){
        return $list;
    }
    foreach($list as $vo => $info){
        $list[$vo] = info_domain_image($info,$field);
    }
    return $list;
}
//单条信息里,多个字段需要增加domain_cdnurl
//支持image,images
function info_domain_image($data,$field){
    if(!$data || empty($data)){
        return $data;
    }
    foreach($data as $key => $val){
        if(in_array($key,$field)){
            $more = strpos($key,'images');
            $data[$key] = one_domain_image($val,$more);
        }
    }
    return $data;
}
//支持单个字段，需要增加domain_cdnurl
//支持image,images
function one_domain_image($one,$more = false){
    if(!$one){
        return $one;
    }
    if(strpos($one,',') || $more !== false){
        //逗号隔开的多个图片
        $one = explode(',',$one);
        foreach($one as $k => $v){
            $one[$k] = localpath_to_netpath($v);
        }
        $one = implode(',',$one);
    }else{
        $one = localpath_to_netpath($one);
    }
    return $one;
}
//本地地址转换为网络地址
function localpath_to_netpath($path)
{
    if (empty($path)) {
        return '';
    } elseif (strrpos($path, 'http') !== false) {
        return $path;
    } else {
        return config('domain_cdnurl') . str_replace("\\", "/", $path);
    }
}

//秒 转换 日月分
function Sec2Time($time){
    if(is_numeric($time)){
        $value = array(
            'years' => 0, 'days' => 0, 'hours' => 0,
            'minutes' => 0, 'seconds' => 0,
        );
        /*if($time >= 31556926){
            $value['years'] = floor($time/31556926);
            $time = ($time%31556926);
        }*/
        if($time >= 86400){
            $value['days'] = floor($time/86400);
            $time = ($time%86400);
        }
        if($time >= 3600){
            $value['hours'] = floor($time/3600);
            $time = ($time%3600);
        }
        if($time >= 60){
            $value['minutes'] = floor($time/60);
            $time = ($time%60);
        }
        $value['seconds'] = floor($time);
        //return (array) $value;
        //$t=$value['years'] .'年'. $value['days'] .'天'.' '. $value['hours'] .'小时'. $value['minutes'] .'分'.$value['seconds'].'秒';
        $t = $value['days'] .'天' . $value['hours'] .'小时'. $value['minutes'] .'分';
        return $t;

    }else{
        return '0天';
    }
}
//生日转年龄
function birthtime_to_age($birthtime){
//    $birthtime = strtotime('1990-11-06');
    if(!$birthtime){
        return 0;
    }

    list($y1,$m1,$d1) = explode("-",date("Y-m-d",$birthtime));

    list($y2,$m2,$d2) = explode("-",date("Y-m-d",time()));

    $age = $y2 - $y1;
    if((int)($m2.$d2) < (int)($m1.$d1))
    {$age -= 1;}

    if($age < 0){
        $age = 0;
    }

    return $age;
}
if(!function_exists('mk_dir')) {
    /**
     * 新建目录
     */
    function mk_dir($dir, $mode = 0770, $tmp = true)
    {
        $mode = 0770;
        if(is_file($dir)) {
            //有同名文件
            return false;
        } else {
            if(!is_dir($dir)) { //目录不存在
                $dir_up = dirname($dir); //上级目录
                if(!is_dir($dir_up)) {
                    //上级不存在
                    $rs = @mk_dir($dir_up);
                    if(!$rs) return false;
                }
                $rs = @mkdir($dir, $mode); //新建
                if(!$rs) return false;
                $rs = @chmod($dir, $mode); //改权限
                if(!$rs) return false;
            }
            return true;
        }
    }
}
/**
 * 在线支付日志
 */
function filePut($info,$text='notify.txt'){
    if(is_array($info)) {
        $info = json_encode($info, JSON_UNESCAPED_UNICODE);
    }
    if(!file_exist(RUNTIME_PATH.'paylog/')) {
        mk_dir(RUNTIME_PATH.'paylog/');
    }
    $file = RUNTIME_PATH.'paylog/'.$text;
    touch_file($file);
    file_put_contents($file, "\r\n".date('Y-m-d H:i:s').' '.$info, FILE_APPEND);
}
if(!function_exists('touch_file')) {
    /**
     * 新建文件
     */
    function touch_file($file = '')
    {
        if($file) {
            if(!file_exists($file)) {
                @touch($file);
                @chmod($file, 0770);
            }
        }
    }
}
if(!function_exists('file_exist')) {
    /**
     * 检测文件是否存在
     * @param $file
     * @return string
     */
    function file_exist($file)
    {
        if(false === strpos($file, 'http')) { //本地文件

            if(0 === strpos($file, '/upload')) {
                $file = '.'.$file;
            }
            return file_exists($file);
        } else { //网络文件

            $ch = curl_init();
            curl_setopt($ch, CURLOPT_URL, $file);
            curl_setopt($ch, CURLOPT_TIMEOUT, 2);
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
            curl_exec($ch);
            $status =  curl_getinfo($ch,CURLINFO_HTTP_CODE);
            curl_close($ch);
            if(in_array(substr($status, 0, 1), [2, 3])) {
                return true;
            } else {
                return false;
            }
        }
    }
}

/**
 * 发起HTTPS请求
 */
function curl_post($url, $data, $header = '', $timeOut = 0)
{
    //初始化curl
    $ch = curl_init();
    //参数设置
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_TIMEOUT, $timeOut);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    if($header != '') {
        curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
    }
    $result = curl_exec($ch);
    //连接失败
    if($result == FALSE) {
        //\think\Log::record('[ CURL ] ERROR ' . curl_error($ch)."\n".var_export(debug_backtrace(), true)."\n", 'error');
    }
    curl_close($ch);
    return $result;
}
/**
 * 发起HTTP GET请求
 */
function curl_get($url)
{
    $oCurl = curl_init();
    if(stripos($url, "https://") !== FALSE) {
        curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, FALSE);
        curl_setopt($oCurl, CURLOPT_SSLVERSION, 1); //CURL_SSLVERSION_TLSv1
    }
    curl_setopt($oCurl, CURLOPT_TIMEOUT, 3);
    curl_setopt($oCurl, CURLOPT_URL, $url);
    curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1);
    $sContent = curl_exec($oCurl);
    $aStatus = curl_getinfo($oCurl);
    $error = curl_error($oCurl);
    curl_close($oCurl);
    if($error) {
        $sContent = file_get_contents($url);
        return $sContent;
    }

    if(intval($aStatus["http_code"]) == 200) {
        return $sContent;
    } else {
        return false;
    }
}
//创建订单号
function createUniqueNo($prifix = 'P',$id = 0)
{
    $s = 0;
    $ms = 0;
    list($ms, $s) = explode(' ', microtime());

    $ms = substr($ms, 2, 6); //获取微妙

    $rt = $prifix.date('ymdHis', $s).$ms.$id; //年月日时分秒.用户id对10取余.微秒

    return $rt;
}
/**
 * 时间转换
 * @param null $time
 * @return false|string
 */
function get_last_time($time = NULL) {
    $text = '';
    $nowtime = time();
    $time = ($time === NULL || empty($time) || $time > $nowtime) ? $nowtime : intval($time);
    $t = $nowtime - $time; //时间差 （秒）
    $y = date('Y', $time)-date('Y', $nowtime);//是否跨年
    switch($t){
        case $t == 0:
            $text = '刚刚';
            break;
        case $t < 60:
            $text = $t . '秒前'; // 一分钟内
            break;
        case $t < 60 * 60:
            $text = floor($t / 60) . '分钟前'; //一小时内
            break;
        case $t < 60 * 60 * 24:
            $text = floor($t / (60 * 60)) . '小时前'; // 一天内
            break;
        case $t < 60 * 60 * 24 * 3:
            $text = floor($time/(60*60*24)) ==1 ?'昨天 ' . date('H:i', $time) : '前天 ' . date('H:i', $time) ; //昨天和前天
            break;
        case $t < 60 * 60 * 24 * 30:
            $text = date('m月d日 H:i', $time); //一个月内
            break;
        case $t < 60 * 60 * 24 * 365&&$y==0:
            $text = date('m月d日', $time); //一年内
            break;
        default:
            $text = date('Y年m月d日', $time); //一年以前
            break;
    }

    return $text;
}
//post接收参数中心，只接非必须
function request_post_hub($field_array = [],$required = [],$noempty = []){
    if(empty($field_array)){
        return [];
    }

    $data = [];

    foreach($field_array as $key => $field){

        //接收
        if(!request()->has($field,'post')){
            continue;
        }
        $newone = request()->post($field);

        //追加
        $data[$field] = $newone;
    }

    //必传
    if(!empty($required)){
        foreach($required as $k => $mustone){
            if(!isset($data[$mustone])){
                return $mustone.' required';
            }
        }
    }

    //必传，且不能空
    if(!empty($noempty)){
        foreach($noempty as $havekey => $haveone){
            if(!isset($data[$havekey]) || empty($data[$havekey])){
                return $haveone.' 必填';
            }
        }
    }

    return $data;
}
if (!function_exists('httpurllocal')) {
    /**
     * 判断当前url是否为全路径，并返回全路径
     */
    function httpurllocal($path) {
        if(!$path) return $path;
        $host = $_SERVER["REQUEST_SCHEME"]."://".$_SERVER["HTTP_HOST"];
        // 获取当前域名
        if(strpos($path,'http://') === false && strpos($path,'https://') === false) {
            $url = $host.$path;
        } else {
            $url = $path;
        }
        return $url;
    }
}