= 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;
}
}
/**
* 格式化数字
* @param int $number 要格式化的数字
* @return string 格式化后的字符串
*/
function formatNumber($number) {
$length = strlen($number); //数字长度
if($length > 8){ //亿单位
$str = substr_replace(strstr($number,substr($number,-7),' '),'.',-1,0)."亿";
}elseif($length >4){ //万单位
//截取前俩为
$str = substr_replace(strstr($number,substr($number,-3),' '),'.',-1,0)."万";
}elseif($length >3){ //千单位
//截取前俩为
$str = substr_replace(strstr($number,substr($number,-2),' '),'.',-1,0)."K";
}else{
return $number;
}
return $str;
}
// 公共接口调用方法
function callApi($url, $cookie = '', $userAgent = '')
{
$curl = curl_init($url);
// 设置选项
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); // 将响应保存到变量而不是直接输出
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); // 跟随重定向
curl_setopt($curl,CURLOPT_SSL_VERIFYPEER, false); //这个是重点。
// 设置请求头部信息
$headers = [
'Content-Type: application/json',
'Accept: application/json',
'Access-Control-Allow-Origin: *', // 允许跨域请求
];
if (!empty($userAgent)) {
$headers[] = "User-Agent: {$userAgent}";
}
curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
// 设置 Cookie
if (!empty($cookie)) {
curl_setopt($curl, CURLOPT_COOKIE, $cookie);
}
$response = curl_exec($curl);
if(curl_errno($curl)) {
$error_message = curl_error($curl);
}
// 获取响应状态码
$statusCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
curl_close($curl);
// 返回响应结果
if ($statusCode >= 200 && $statusCode < 300 && !empty($response)) {
return $response;
} else {
return false;
// return $response;
}
}
// 数据写入文件txt方法
function writeToTxt($filePath, $data)
{
if (file_exists($filePath)) {
// 如果文件存在，覆盖写入内容
if (file_put_contents($filePath, $data) !== false) {
return true; // 写入成功，返回 true
} else {
return false; // 写入失败，返回 false
}
} else {
// 如果文件不存在，创建并写入
$fileHandle = fopen($filePath, "w+");
if ($fileHandle) {
if (fwrite($fileHandle, $data . "\n") !== false) {
fclose($fileHandle); // 关闭文件指针
return true; // 写入成功，返回 true
} else {
fclose($fileHandle); // 关闭文件指针
return false; // 写入失败，返回 false
}
} else {
return false; // 创建文件失败，返回 false
}
}
}
/**
* 高亮显示关键词
* @param string $text 文章内容
* @param array $keywords 关键词数组
* @return string 高亮显示后的文章内容
*/
function words($text, $keyword) {
$highlightedString = str_replace($keyword, ''.$keyword.'', $text);
return $highlightedString;
}
// 替换字符串指定字符
function replaceComma($inputString,$str = ',',$str1 = '、') {
$outputString = str_replace($str,$str1, $inputString);
return $outputString;
}
// 分割
function splitString($string, $delimiters) {
$pattern = '/[' . preg_quote(implode("", $delimiters), '/') . ']+/';
return preg_split($pattern, $string, -1, PREG_SPLIT_NO_EMPTY);
}
// 将15位身份证号码改成18位
function convertTo18IDCard($idCard15) {
$idCard17 = substr($idCard15, 0, 6) . '19' . substr($idCard15, 6);
$idCard17Array = str_split($idCard17);
$wi = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
$vi = ['1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2'];
$sum = 0;
for ($i = 0; $i < 17; $i++) {
$sum += $idCard17Array[$i] * $wi[$i];
}
$mod = $sum % 11;
$idCard18 = $idCard17 . $vi[$mod];
return $idCard18;
}
/**
* 人民币小写转大写
*
* @param string $number 待处理数值
* @param bool $is_round 小数是否四舍五入,默认"四舍五入"
* @param string $int_unit 币种单位,默认"元"
* @return string
*/
function rmbToUpperCase($num = 0, $is_round = false, $int_unit = '元') {
$chs = array (0, '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖');
$uni = array ('', '拾', '佰', '仟' );
$dec_uni = array ('角', '分' );
$exp = array ('','万','亿');
$res = '';
// 以 元为单位分割
$parts = explode ( '.', $num, 2 );
$int = isset ( $parts [0] ) ? strval ( $parts [0] ) : 0;
$dec = isset ( $parts [1] ) ? strval ( $parts [1] ) : '';
// 处理小数点
$dec_len = strlen ( $dec );
if (isset ( $parts [1] ) && $dec_len > 2) {
$dec = $is_round ? substr ( strrchr ( strval ( round ( floatval ( "0." . $dec ), 2 ) ), '.' ), 1 ) : substr ( $parts [1], 0, 2 );
}
// number= 0.00时，直接返回 0
if (empty ( $int ) && empty ( $dec )) {
return '零';
}
// 整数部分 从右向左
for($i = strlen ( $int ) - 1, $t = 0; $i >= 0; $t++) {
$str = '';
// 每4字为一段进行转化
// for($j = 0; $j < 4 && $i >= 0; $j ++, $i --) {
// $u = $int{$i} > 0 ? $uni [$j] : '';
// $str = $chs[$int[$i]] . $u . $str;
// }
for ($j = 0; $j < 4 && $i >= 0; $j++, $i--) {
$u = $int[$i] > 0 ? $uni[$j] : '';
$str = $chs[$int[$i]] . $u . $str;
}
$str = rtrim ( $str, '0' );
$str = preg_replace ( "/0+/", "零", $str );
$u2 = $str != '' ? $exp [$t] : '';
$res = $str . $u2 . $res;
}
$dec = rtrim ( $dec, '0' );
// 小数部分 从左向右
if (!empty ( $dec )) {
$res .= $int_unit;
$cnt = strlen ( $dec );
for ($i = 0; $i < $cnt; $i++) {
$u = $dec[$i] > 0 ? $dec_uni[$i] : ''; // 非0的数字后面添加单位
$res .= $chs[$dec[$i]] . $u;
}
if ($cnt == 1) $res .= '整';
$res = rtrim ( $res, '0' ); // 去掉末尾的0
$res = preg_replace ( "/0+/", "零", $res ); // 替换多个连续的0
} else {
$res .= $int_unit . '整';
}
return $res;
}
// 阿拉伯数字转美元大写
function numberToWords($number) {
$decimal = round($number - ($no = floor($number)), 2) * 100;
$hundred = null;
$digits_length = strlen($no);
$i = 0;
$str = array();
$words = array(0 => '', 1 => 'ONE', 2 => 'TWO',
3 => 'THREE', 4 => 'FOUR', 5 => 'FIVE', 6 => 'SIX',
7 => 'SEVEN', 8 => 'EIGHT', 9 => 'NINE',
10 => 'TEN', 11 => 'ELEVEN', 12 => 'TWELVE',
13 => 'THIRTEEN', 14 => 'FOURTEEN',
15 => 'FIFTEEN', 16 => 'SIXTEEN', 17 => 'SEVENTEEN',
18 => 'EIGHTEEN', 19 => 'NINETEEN', 20 => 'TWENTY',
30 => 'THIRTY', 40 => 'FORTY', 50 => 'FIFTY',
60 => 'SIXTY', 70 => 'SEVENTY',
80 => 'EIGHTY', 90 => 'NINETY');
$digits = array('', 'HUNDRED', 'THOUSAND', 'LAC', 'CRORE');
while ($i < $digits_length) {
$divider = ($i == 2) ? 10 : 100;
$number = floor($no % $divider);
$no = floor($no / $divider);
$i += ($divider == 10) ? 1 : 2;
if ($number) {
$plural = (($counter = count($str)) && $number > 9) ? 'S' : null;
$hundred = ($counter == 1 && $str[0]) ? ' AND ' : null;
$str [] = ($number < 21) ? $words[$number] .
" " . $digits[$counter] . $plural . " " . $hundred
:
$words[floor($number / 10) * 10]
. " " . $words[$number % 10] . " "
. $digits[$counter] . $plural . " " . $hundred;
} else $str[] = null;
}
$str = array_reverse($str);
$result = implode('', $str);
if ($decimal > 0) {
$result .= " AND CENTS ";
if ($decimal < 10) {
$result .= $words[$decimal];
} else {
$result .= $words[floor($decimal / 10) * 10];
$result .= " " . $words[$decimal % 10];
}
}
return 'SAY US DOLLARS ' . $result . ' ONLY';
}
// 长度单位换算
function lengthConversion($value, $unit) {
// 定义单位之间的换算关系
$conversionTable = [
'km' => 1000, // 千米
'm' => 1, // 米
'dm' => 0.1, // 分米
'cm' => 0.01, // 厘米
'li' => 500, // 里
'zhang' => 3.33333, // 丈
'chi' => 0.33333, // 尺
'cun' => 0.03333, // 寸
'fen' => 0.00333, // 分
'li2' => 0.000333, // 厘
'nmi' => 1852, // 海里
'fathom' => 1.8288, // 英寻
'mile' => 1609.344, // 英里
'fur' => 201.168, // 弗隆
'yd' => 0.9144, // 码
'ft' => 0.3048, // 英尺
'ins' => 0.0254, // 英寸
'mm' => 0.001, // 毫米
'um' => 0.000001 // 微米
];
// 转换为转换单位
$baseValue = $value * $conversionTable[$unit];
// 构建输出数组
$result = [];
foreach ($conversionTable as $key => $conversionValue) {
if ($conversionValue === 1) {
$result[$key] = intval($baseValue);
} else {
$result[$key] = round($baseValue / $conversionValue, 8);
}
}
return $result;
}
// 温度单位换算
function convertTemperature($value, $unit) {
$result = [];
switch ($unit) {
case 'c':
// 摄氏度
$result['c'] = $value;
// 华氏度
$result['f'] = ($value * 9/5) + 32;
// 开氏度
$result['k'] = $value + 273.15;
// 兰氏度
$result['ra'] = ($value + 273.15) * 9/5;
// 列氏度
$result['re'] = $value * 4/5;
break;
case 'f':
// 摄氏度
$result['c'] = ($value - 32) * 5/9;
// 华氏度
$result['f'] = $value;
// 开氏度
$result['k'] = ($value + 459.67) * 5/9;
// 兰氏度
$result['ra'] = $value + 459.67;
// 列氏度
$result['re'] = ($value - 32) * 4/9;
break;
case 'k':
// 摄氏度
$result['c'] = $value - 273.15;
// 华氏度
$result['f'] = ($value * 9/5) - 459.67;
// 开氏度
$result['k'] = $value;
// 兰氏度
$result['ra'] = $value * 9/5;
// 列氏度
$result['re'] = ($value - 273.15) * 4/5;
break;
case 'ra':
// 摄氏度
$result['c'] = ($value - 491.67) * 5/9;
// 华氏度
$result['f'] = $value - 459.67;
// 开氏度
$result['k'] = $value * 5/9;
// 兰氏度
$result['ra'] = $value;
// 列氏度
$result['re'] = ($value - 491.67) * 4/9;
break;
case 're':
// 摄氏度
$result['c'] = $value * 5/4;
// 华氏度
$result['f'] = ($value * 9/4) + 32;
// 开氏度
$result['k'] = ($value * 5/4) + 273.15;
// 兰氏度
$result['ra'] = ($value * 9/4) + 491.67;
// 列氏度
$result['re'] = $value;
break;
default:
return false;
}
// 对$result数组中的每个值进行变量转换
foreach($result as &$item) {
if (is_numeric($item)) {
$item = floatval($item);
if (floor($item) == $item) {
$item = intval($item);
} else {
$item = round($item, 2);
}
}
}
return $result;
}
// 功率单位换算
function convertPower($value, $fromUnit) {
$units = array(
'w' => 1, // 瓦特（W）
'kw' => 1000, // 千瓦（kW）
'hp' => 735.49875, // 马力（HP）
'ps' => 735.49875, // 百分力马力（PS）
'kg' => 9.80665, // 公斤·米/秒（kg·m/s）
'kcal' => 4186.8, // 千卡/秒（kcal/s）
'btu' => 1055.056, // 英热单位/秒（Btu/s）
'ft' => 1.355818, // 英尺·磅/秒（ft·lb/s）
'j' => 1, // 焦耳/秒（J/s）
'nm' => 1 // 牛顿·米/秒（N·m/s）
);
if (!isset($units[$fromUnit])) {
return false; // 无效的单位
}
$results = [];
foreach ($units as $unit => $conversionFactor) {
$convertedValue = $value * ($units[$fromUnit] / $conversionFactor);
// 转换为 float 类型，并保留小数点后 7 位数字
$roundedValue = round(floatval($convertedValue), 7);
$results[$unit] = $roundedValue;
}
return $results;
}
// 速度单位换算
function convertSpeed($value, $fromUnit) {
$units = array(
'm' => 1, // 米/秒（m/s）
'km' => 3.6, // 千米/时（km/h）
'mach' => 343.2, // 马赫（mach）
'ins' => 0.0254, // 英寸/秒（in/s）
'kms' => 1000, // 千米/秒（km/s）
'c' => 299792458, // 光速（c）
'mile' => 0.44704, // 英里/时（mile/h）
'knot' => 0.514444, // 节（knot）
'ly' => 9.461e+12 // 光年/年（ly/y）
);
$fromUnit = strtolower($fromUnit); // 将输入的单位转换为小写字母
if (!isset($units[$fromUnit])) {
return false; // 无效的单位
}
$results = [];
foreach ($units as $unit => $conversionFactor) {
$convertedValue = $value * ($units[$fromUnit] / $conversionFactor);
// 使用 sprintf() 函数将结果格式化为字符串，并限定小数点后位数为 12
$formattedValue = sprintf('%0.12f', $convertedValue);
$results[$unit] = (float) $formattedValue;
}
return $results;
}
// 重量单位换算
function convertWeight($value, $fromUnit) {
$conversionTable = [
'tonne' => 1e6, // 吨
'kilogram' => 1e3, // 公斤
'gram' => 1, // 克
'milligram' => 1e-3, // 毫克
'shijin' => 500, // 市斤
'dan' => 50000, // 担
'liang' => 50, // 两
'qian' => 5, // 钱
'jhb' => 373.242, // 金衡磅
'jhas' => 31.1035, // 金衡盎司
'dwt' => 1.555174, // 英钱
'jhgl' => 0.06479891, // 金衡格令
'ycd' => 1016046.9, // （英制）长吨
'mdd' => 907184.74, // （美制）短吨
'cwt' => 50802.345, // 英担
'cwts' => 45359.237, // 美担
'ys' => 6350.293, // 英石
'lb' => 453.59237, // 磅
'oz' => 28.349523125, // 盎司
'dr' => 1.7718451953125, // 打兰
'gl' => 0.06479891 // 格令
];
$fromUnit = strtolower($fromUnit);
if (!array_key_exists($fromUnit, $conversionTable)) {
return false;
}
$fromValue = $value * $conversionTable[$fromUnit];
$results = [];
foreach ($conversionTable as $toUnit => $conversion) {
$result = $fromValue / $conversion;
$results[$toUnit] = $result;
}
return $results;
}
// 面积单位换算
function convertArea($value, $unit)
{
// 定义各单位与平方米的换算关系
$conversion = [
'km2' => 1, // 平方千米
'ha' => 100, // 公顷
'mu' => 1500, // 亩
'm2' => 1000000, // 平方米
'dm2' => 100000000, // 平方分米
'cm2' => 10000000000, // 平方厘米
'mm2' => 1000000000000, // 平方毫米
'sqmi' => 0.386102, // 平方英里
'acre' => 247.105381, // 英亩
'sqrd' => 39536.8670851, // 平方竿
'sqyd' => 1195990.046301, // 平方码
'sqft' => 10763910.41671, // 平方英尺
'sqin' => 1550003100.0062 // 平方英寸
];
// 检查输入的单位是否合法
if (!array_key_exists($unit, $conversion)) {
return false;
}
$results = [];
// 遍历每一个单位并进行换算
foreach ($conversion as $key => $factor) {
$result = $value * $factor;
$results[$key] = $result;
}
return $results;
}
// 体积单位换算
function convertVolume($value, $unit) {
// 定义单位之间的换算关系
$conversionTable = [
// 公制单位
'm3' => 1, //立方米(m3)
'hl' => 0.1, // 公石(hl)
'dal' => 0.01, // 十升(dal)
'dm3' => 0.001, // 立方分米(dm3)=升(l)
'dl' => 0.0001, // 分升(dl)
'cl' => 0.00001, // 厘升(cl)
'cm3' => 0.000001, // 立方厘米(cm3)=毫升(ml)
'mm3' => 0.000000001, // 立方毫米(mm3)
// 美制干量
'tong' => 0.1156281985, // 捅
'bu' => 0.03523907, // 蒲式耳
'pk' => 0.0088097678571429, // 配克
'qt' => 0.00110122094271, // 夸脱
'pt' => 0.000550610471, // 品脱
// 英制液量和干量
'tongs' => 0.163659239925, // 捅
'bus' => 0.036368719997, // 蒲式耳
'bal' => 0.00454609, // 加仑
'pts' => 0.00056826125, // 品脱(pt)
'floz' => 0.0000284130625, // 液体盎司
// 公制烹调制式
'tablespoon' => 0.000015, // 大汤匙
'teaspoon' => 0.000005, // 调羹
// 美制烹调制式
'tbs' => 0.00001478676, // 汤匙
'tsp' => 0.000004928922, // 茶匙
'flozs' => 0.000236588237, // 杯
// 美制液量
'tongss' => 0.158987294939, // 桶[42加仑]
'gal' => 0.00378541, // 加仑(gal)
'qts' => 0.00094635295, // 夸脱(qt)
'ptss' => 0.000473176475, // 品脱(pt)
'gi' => 0.00011829411825, // 及耳(gi)
'flozss' => 0.00002957353, // 液量盎司(fl oz)
'fldr' => 0.000003696691, // 液体打兰
'min' => 0.0000000004813399993896500, // 量滴(min)
// 美英同制体积计量
'acrefoot' => 1233.4818375, // 亩英尺
'cubicyard' => 0.764554858, // 立方码
'cubicfoot' => 0.028316846592, // 立方英尺
'cubicinch' => 0.000016387064, // 立方英寸
];
// 检查输入单位是否支持
if (!isset($conversionTable[$unit])) {
return false;
}
$results = [];
// 遍历所有单位进行换算
foreach ($conversionTable as $targetUnit => $conversionFactor) {
$result = $value * $conversionTable[$unit] / $conversionFactor;
$results[$targetUnit] = $result;
}
return $results;
}
// 压力单位换算
function convertPressure($value, $fromUnit)
{
// 建立单位间的换算因子数组
$conversionFactors = [
'bar' => 1,
'kpa' => 100,
'hpa' => 1000,
'mbar' => 1000,
'pa' => 100000,
'atm' => 0.986923,
'mmhg' => 750.06168,
'lbfft2' => 2088.5435,
'lbfin2' => 14.50377,
'inhg' => 29.529988,
'kgfcm2' => 1.0197162,
'kgfm2' => 10197.162,
'mmh2O' => 10197.2
];
// 检查输入单位是否存在
if (!array_key_exists($fromUnit, $conversionFactors)) {
return false;
}
$convertedValues = [];
// 遍历转换因子数组进行单位换算
foreach ($conversionFactors as $unit => $factor) {
$convertedValue = $value * ($factor / $conversionFactors[$fromUnit]);
$convertedValues[$unit] = $convertedValue;
}
return $convertedValues;
}
// 油耗计算
function calculateFuelConsumption($oilPrice, $moneySpent, $distance) {
// 计算总油耗量（升）
$totalFuel = $moneySpent / $oilPrice;
// 计算百公里油耗（升/公里），四舍五入保留一位小数
$fuelConsumptionPer100km = round(($totalFuel / $distance) * 100, 2);
// 计算每公里油耗（元/公里），四舍五入保留一位小数
$fuelCostPerKm = round($moneySpent / $distance, 2);
// 返回结果数组
$result = array(
'fuelConsumptionPer100km' => $fuelConsumptionPer100km,
'fuelCostPerKm' => $fuelCostPerKm
);
return $result;
}
// 房贷计算器
function calculateLoan($principal, $loanTerm, $repaymentMethod, $firstRepaymentMonth, $interestMode, $lprRate, $bpRate, $interestDiscount) {
// 将百分比的 LPR 利率转换为小数形式
$lprRate = $lprRate / 100;
// 根据利率模式计算实际利率
if ($interestMode == 'LPR+BP') {
// 计算 LPR+BP 模式下的基准利率
$baseInterestRate = $lprRate + $bpRate;
// 计算带入利率折扣后的实际利率
$actualInterestRate = $baseInterestRate * $interestDiscount;
} else {
// 固定利率模式下使用 LPR+BP 中的基本利率
$baseInterestRate = $lprRate + $bpRate;
// 固定利率模式下不考虑利率折扣
$actualInterestRate = $baseInterestRate;
}
// 将年利率转换为月利率
$monthlyInterestRate = $actualInterestRate / 12;
// 初始化还款明细数组
$repaymentDetails = array();
// 计算每月还款额
if ($repaymentMethod == '等额本金') {
// 等额本金方式下，每月还款额固定
$monthlyPrincipalPayment = $principal / $loanTerm;
$monthlyPayment = $monthlyPrincipalPayment + $principal * $monthlyInterestRate;
} else {
// 等额本息方式下，使用等额本息公式计算每月还款额
$monthlyPayment = ($principal * $monthlyInterestRate * pow(1 + $monthlyInterestRate, $loanTerm)) / (pow(1 + $monthlyInterestRate, $loanTerm) - 1);
$monthlyPrincipalPayment = $monthlyPayment - $principal * $monthlyInterestRate;
}
// 计算总还款额、总利息和剩余本金
$totalPayment = 0;
$totalInterest = 0;
$remainingPrincipal = $principal;
// 循环计算还款明细
for ($i = 1; $i <= $loanTerm; $i++) {
// 计算每月还息额
$interestPayment = $remainingPrincipal * $monthlyInterestRate;
// 计算每月还本金额
$principalPayment = $monthlyPrincipalPayment;
// 更新剩余本金
$remainingPrincipal -= $principalPayment;
// 构建还款明细数组
$repaymentDetails[] = array(
'期数' => $i,
'月份' => date('Y年m月', strtotime($firstRepaymentMonth . ' +' . ($i - 1) . ' month')),
'每月总还款(元)' => $monthlyPayment,
'每月还息(元)' => $interestPayment,
'每月还本金(元)' => $principalPayment,
'剩余本金(元)' => $remainingPrincipal
);
// 累加总还款额和总利息
$totalPayment += $monthlyPayment;
$totalInterest += $interestPayment;
}
// 返回计算结果
return array(
'总利息' => $totalInterest,
'每月总还款(月供)' => $monthlyPayment,
'还款明细数组' => $repaymentDetails
);
}
// BIM计算器
function calculateAndClassifyBMI($weight, $height) {
// 转换身高单位为米
$height = $height / 100;
// 计算 BMI
$bmi = $weight / ($height * $height);
if(strpos($bmi, '.') !== false){
// 如果有小数点，则四舍五入保留一位小数
$bmi = round($bmi, 1);
}
// 计算理想体重
$idealWeight = $height * $height * 21.7;
if (strpos($idealWeight, '.') !== false) {
// 如果有小数点，则四舍五入保留一位小数
$idealWeight = round($idealWeight, 1);
}
// 分类 BMI
if($bmi < 15){
$classification = "您太瘦，应去做个体检，增加营养。";
} else if ($bmi >= 15 && $bmi <= 18.4) {
$classification = "您过度苗条，应增加营养和锻炼。";
} elseif ($bmi >= 18.4 && $bmi < 22) {
$classification = "恭喜！！您是标准身材,注意保持。";
} elseif ($bmi >= 22 && $bmi <= 25) {
$classification = "您是健康体重,但已不苗条，小心。";
} elseif ($bmi >= 25 && $bmi < 30) {
$classification = "您超重了，应该立即减肥！";
} elseif ($bmi >= 30 && $bmi <= 40) {
$classification = "您很胖，减肥已是您的头等大事！";
} else if($bmi > 40){
$classification = "您非常胖，肥胖将危及您的健康！";
}
return [
'bmi' => $bmi, // bim指数
'suggest' => $classification,//建议
'idealWeight' => $idealWeight // 理想体重
];
}
// 去掉字符串中的html
function stripHtml($content){
$content = strip_tags($content);
$content = str_replace("\r\n", '', $content);
$content = str_replace("\t", '', $content);
$content = str_replace("\r", '', $content);
$content = str_replace("\n", '', $content);
$content = str_replace(" ", '', $content);
$content = html_entity_decode($content); // 将 HTML 实体转换为相应的字符
$content = preg_replace('/\s+/u', '', $content); // 去除所有空白字符
return trim($content);
}
// 匹配符号分割为数组
function tags($str){
$separator = ',、，-_|'; // 自定义的分隔符，包含逗号和顿号
$data = preg_split("/[" . preg_quote($separator) . "]/u", $str);
return $data;
}
// 百度主动推送
function baidupush($url){
$urls = [Request::instance()->domain().$url];
$api = 'http://data.zz.baidu.com/urls?site='.Request::instance()->domain().'&token='.Config::get('site.baidutoken');
$ch = curl_init();
$options = array(
CURLOPT_URL => $api,
CURLOPT_POST => true,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_POSTFIELDS => implode("\n", $urls),
CURLOPT_HTTPHEADER => array('Content-Type: text/plain'),
);
curl_setopt_array($ch, $options);
$result = curl_exec($ch);
return $result;
}
// 必应推送
function biyingpush($url) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://ssl.bing.com//webmaster/api.svc/json/SubmitUrlbatch?apikey=".Config::get('site.biyingtoken'));
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode([
'siteUrl' => Request::instance()->domain(),
'urlList' => [Request::instance()->domain().$url]
]));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
'Host: ssl.bing.com',
'Content-Type: application/json; charset=utf-8'
]);
$response = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if ($http_code == 200 && json_decode($response)->d == null) {
return "推送成功";
foreach ($url_list as $url) {
return $url;
}
} else {
return "推送失败:推送配额不足";
}
}
// 神马推送
function shenmapush($url)
{
$urls = [Request::instance()->domain().$url];
$api = 'https://data.zhanzhang.sm.cn/push?site='.Request::instance()->host().'&user_name='.Config::get('site.shenma_user').'&resource_name=mip_add&token='.Config::get('site.authkey');
$ch = curl_init();
$options = array(
CURLOPT_URL => $api,
CURLOPT_POST => true,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_POSTFIELDS => implode("\n", $urls),
CURLOPT_HTTPHEADER => array('Content-Type: text/plain'),
);
curl_setopt_array($ch, $options);
$result = json_decode(curl_exec($ch));
if(empty($result->returnCode)){
return '推送失败';exit();
}
if($result->returnCode == 200){
return '推送成功';exit();
}
if($result->returnCode == 201){
return 'token不合法';exit();
}
if($result->returnCode == 202){
return '当日流量已用完';exit();
}
if($result->returnCode == 400){
return '请求参数有误';exit();
}
if($result->returnCode == 500){
return '服务器内部错误';exit();
}
}
// 截取指定字符串
function cut_str($str,$length){
return mb_substr($str,0,$length,'UTF-8').'...';
}
// 蜘蛛访问记录
function Get_Spider()
{
$bot = '';
$request = Request::instance();
$userAgent = strtolower($request->header('user-agent'));
$ip = $request->ip();
if (stripos($userAgent,'Baiduspider') !== false) {
$bot = '百度';
} elseif (stripos($userAgent,'Sogou') !== false) {
$bot = '搜狗';
} elseif (stripos($userAgent,'bingbot') !== false) {
$bot = '必应';
}elseif (stripos($userAgent,'360Spider') !== false) {
$bot = '360';
}elseif (stripos($userAgent,'Bytespider') !== false) {
$bot = '头条';
}elseif(stripos($userAgent,'YisouSpider') !== false){
$bot = '神马';
}elseif(stripos($userAgent,'Googlebot') !== false){
$bot = '谷歌';
}elseif(stripos($userAgent,'Amazonbot') !== false){
$bot = '亚马逊';
}
// 如果是蜘蛛就存入数据库
if (!empty($bot)) {
Db::name('spiders')->insert(['name' => $bot,'ip' => $ip,'ua' => $userAgent,'createtime' => time()]);
}
}
// 多久之前
function formatTime($timestamp) {
$currentTime = time();
$timeDiff = $currentTime - $timestamp;
if ($timeDiff < 60) {
return '刚刚';
} elseif ($timeDiff < 3600) {
$minutes = floor($timeDiff / 60);
return $minutes . '分钟之前';
} elseif ($timeDiff < 86400) {
$hours = floor($timeDiff / 3600);
return $hours . '小时之前';
} elseif ($timeDiff < 2592000) {
$days = floor($timeDiff / 86400);
return $days . '天之前';
} elseif ($timeDiff < 31536000) {
$months = floor($timeDiff / 2592000);
return $months . '个月之前';
} else {
return date('Y-m-d', $timestamp);
}
}
// 截取出域名
function urls($url)
{
$parsedUrl = parse_url($url);
return $parsedUrl['host'];
}
// 字符串长度
function strlength($str){
$strs = mb_strlen($str,'utf8');
return $strs;
}
function getDateArray($start, $end)
{
$dateArray = [];
for ($date = $start; $date <= $end; $date = strtotime("+1 day", $date)) {
$day = date("j", $date);
$dateArray[] = $day;
}
return $dateArray;
}
function getBrowserOs()
{
$flag = $_SERVER['HTTP_USER_AGENT'];
if (preg_match('/Windows[\d\. \w]*/', $flag, $match)) {
$sys = $match[0];
} else {
$sys = 'Unknown';
}
// 检查操作系统
if (preg_match('/Chrome\/[\d\.\w]*/', $flag, $match)) {
// 检查Chrome
$browser = $match[0];
} elseif (preg_match('/Safari\/[\d\.\w]*/', $flag, $match)) {
// 检查Safari
$browser = $match[0];
} elseif (preg_match('/MSIE [\d\.\w]*/', $flag, $match)) {
// IE
$browser = $match[0];
} elseif (preg_match('/Opera\/[\d\.\w]*/', $flag, $match)) {
// opera
$browser = $match[0];
} elseif (preg_match('/Firefox\/[\d\.\w]*/', $flag, $match)) {
// Firefox
$browser = $match[0];
} elseif (preg_match('/OmniWeb\/(v*)([^\s|;]+)/i', $flag, $match)) {
//OmniWeb
$browser = $match[2];
} elseif (preg_match('/Netscape([\d]*)\/([^\s]+)/i', $flag, $match)) {
//Netscape
$browser = $match[2];
} elseif (preg_match('/Lynx\/([^\s]+)/i', $flag, $match)) {
//Lynx
$browser = $match[1];
} elseif (preg_match('/360SE/i', $flag, $match)) {
//360SE
$browser = '360安全浏览器';
} elseif (preg_match('/SE 2.x/i', $flag, $match)) {
//搜狗
$browser = '搜狗浏览器';
} else {
$browser = 'unkown';
}
return [$sys, $browser];
}
function getip($type = 0,$adv = false) {
$type = $type ? 1 : 0;
static $ip = NULL;
if ($ip !== NULL) return $ip[$type];
if($adv){
if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$arr = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
$pos = array_search('unknown',$arr);
if(false !== $pos) unset($arr[$pos]);
$ip = trim($arr[0]);
}elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {
$ip = $_SERVER['HTTP_CLIENT_IP'];
}elseif (isset($_SERVER['REMOTE_ADDR'])) {
$ip = $_SERVER['REMOTE_ADDR'];
}
}elseif (isset($_SERVER['REMOTE_ADDR'])) {
$ip = $_SERVER['REMOTE_ADDR'];
}
// IP地址合法验证
$long = sprintf("%u",ip2long($ip));
$ip = $long ? array($ip, $long) : array('0.0.0.0', 0);
return $ip[$type];
}
// 字符串编码转换
function strToUTF8($strText)
{
$encode = mb_detect_encoding($strText, array('UTF-8', 'GB2312', 'GBK'));
if ($encode != "UTF-8") {
return @iconv($encode, 'UTF-8', $strText);
} else {
return $strText;
}
}
// 设置缓存类型
function setCache()
{
// 判断是否开启缓存
if(Config::get('site.cacheSwitch')){
$config = [
'type' => Config::get('site.cacheType'),
'expire' => Config::get('site.cacheInt')
];
return $config;
}else{
return false;
}
}
// 获取域名地址等信息
function Site_Request($type) {
$request = Request::instance();
if(empty($type) || !isset($type)){
return '参数错误';
}
if($type == 'domain'){
// 获取当前域名
return $request->domain();
}else if($type == 'file') {
// 获取当前入口文件
return $request->baseFile();
}else if($type == 'url') {
// 获取当前URL地址 不含域名
return $request->url();
}else if($type == 'url with domain'){
// 获取包含域名的完整URL地址
return $request->url(true);
}else if($type == 'url without query'){
// 获取当前URL地址 不含QUERY_STRING
return $request->baseUrl();
}else if($type == 'root'){
// 获取URL访问的ROOT地址
return $request->root();
}else if($type == 'root with domain'){
// 获取URL访问的ROOT地址
return $request->root(true);
}else if($type == 'pathinfo'){
// 获取URL地址中的PATH_INFO信息
return $request->pathinfo();
}else if($type == 'ext'){
// 获取URL地址中的后缀信息
return $request->ext();
}
}