= 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";
$cdnurl = \think\Config::get('upload.cdnurl');
if (is_bool($domain) || stripos($cdnurl, '/') === 0) {
$url = preg_match($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'] = $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'] = $v['display'] ?? str_replace(['_ids', '_id'], ['_names', '_name'], $v['field']);
$v['primary'] = $v['primary'] ?? '';
$v['column'] = $v['column'] ?? 'name';
$v['model'] = $v['model'] ?? '';
$v['table'] = $v['table'] ?? '';
$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($v['column'], $primary) : [];
}
foreach ($items as $k => &$v) {
foreach ($fields as $m => $n) {
if (isset($v[$n])) {
$curr = array_flip(explode(',', $v[$n]));
$linedata = array_intersect_key($result[$n], $curr);
$v[$fieldsArr[$n]['display']] = $fieldsArr[$n]['column'] == '*' ? $linedata : implode(',', $linedata);
}
}
}
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 $replaced[$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('');
$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'] && config('fastadmin.cors_request_domain')) {
$info = parse_url($_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, $is_image);
}
}
if (!function_exists('url_clean')) {
/**
* 清理URL
*/
function url_clean($url)
{
if (!check_url_allowed($url)) {
return '';
}
return xss_clean($url);
}
}
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);
}
}
}
if (!function_exists('check_url_allowed')) {
/**
* 检测URL是否允许
* @param string $url URL
* @return bool
*/
function check_url_allowed($url = '')
{
//允许的主机列表
$allowedHostArr = [
strtolower(request()->host())
];
if (empty($url)) {
return true;
}
//如果是站内相对链接则允许
if (preg_match("/^[\/a-z][a-z0-9][a-z0-9\.\/]+((\?|#).*)?\$/i", $url) && substr($url, 0, 2) !== '//') {
return true;
}
//如果是站外链接则需要判断HOST是否允许
if (preg_match("/((http[s]?:\/\/)+(?>[a-z\-0-9]{2,}\.){1,}[a-z]{2,8})(?:\s|\/)/i", $url)) {
$chkHost = parse_url(strtolower($url), PHP_URL_HOST);
if ($chkHost && in_array($chkHost, $allowedHostArr)) {
return true;
}
}
return false;
}
}
if (!function_exists('build_suffix_image')) {
/**
* 生成文件后缀图片
* @param string $suffix 后缀
* @param null $background
* @return string
*/
function build_suffix_image($suffix, $background = null)
{
$suffix = mb_substr(strtoupper($suffix), 0, 4);
$total = unpack('L', hash('adler32', $suffix, true))[1];
$hue = $total % 360;
list($r, $g, $b) = hsv2rgb($hue / 360, 0.3, 0.9);
$background = $background ? $background : "rgb({$r},{$g},{$b})";
$icon = <<
{$suffix}
EOT;
return $icon;
}
}
function formatImage($url) {
return request()->domain().$url;
}
function dd($data) {
echo '';
print_r($data);
exit();
}
if (!function_exists('get_code')) {
function get_code($len) {
$code = '';
$length = $len; // 验证码长度
$chars = '2345678abcdefhijkmnpqrstuvwxyzABCDEFGHJKLMNPQRTUVWXY'; // 验证码字符集
for ($i = 0; $i < $length; $i++) {
$code .= $chars[mt_rand(0, strlen($chars) - 1)];
}
return $code;
}
}