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- <?php
- namespace common\components;
- use Overtrue\Pinyin\Pinyin;
- use Yii;
- class stringUtil
- {
- const KEY = 'Aos4eLEmqpo8dmJleG610tR1KxUVQ5OzgkzpYM23PLqwSaU3Io';
- //oss的base64方法 ssh 20230111
- public static function ossBase64($str)
- {
- $str = base64_encode($str);
- $str = str_replace('/', '_', $str);
- $str = str_replace('+', '-', $str);
- $str = rtrim($str, '=');
- return $str;
- }
- public static function passwordCheck($password)
- {
- if (preg_match('/^([0-9]{6,16})$/', $password)) {
- util::fail('密码不能纯数字');
- }
- if (preg_match('/^[a-z A-Z]{6,16}$/', $password)) {
- util::fail('密码不能纯字母');
- }
- if (strlen($password) < 6) {
- util::fail('密码必须大于6位');
- }
- }
- //随机编号,英文开头,用于鲜花商品编号
- public static function buildRandNo($id)
- {
- return 'F' . $id . time();// F == flower
- }
- //创建微信Token使用
- public static function buildWxToken($id)
- {
- return 'wt' . $id . time();
- }
- //订单号,用于购买商品生成的订单等
- public static function buildOrderNo($id = 0)
- {
- mt_srand((double)microtime() * 1000000);
- $no = empty($id) ? '' : $id;
- $no .= date('ymdHis') . str_pad(mt_rand(1, 99999), 5, '0', STR_PAD_LEFT);
- return $no;
- }
- //判断是否手机号
- public static function isMobile($no)
- {
- return preg_match("/^1[0-9]\d{9}$/", $no) == true ? true : false;
- }
- public static function isEmail($email)
- {
- $reg = '/\w+@\w+(?:\.\w+){1,3}/i';
- if (preg_match($reg, $email)) {
- return true;
- }
- return false;
- }
- //是否所有都是英文字母 ssh 2021.1
- public static function isLetter($str)
- {
- if (preg_match("/^[a-zA-Z\s]+$/", $str)) {
- return true;
- }
- return false;
- }
- static function subStringUtf8($string, $length, $ext = '')
- {
- $num = self::getWordNum($string);
- //echo $num;exit();
- //如果截取字数大于字符长度
- if ($num <= $length) {
- return $string;
- }
- $str_length = $length * 3; //总的字节数
- $slen = 0;
- $i = 0;
- $count = 0;
- while ($i <= $str_length && $count < $length) {
- if (isset($string[$i])) {
- $c = ord($string[$i]);
- //第一个字节大于224的,它与它之后的2个字节一起组成一个UTF-8字符
- if ($c >= 224) {
- $bits = 3;
- $count++;
- //第一个字节大于192小于224的,它与它之后的1个字节组成一个UTF-8字符
- } elseif ($c >= 192) {
- $count++;
- $bits = 2;
- //否则第一个字节本身就是一个英文字符(包括数字和一小部分标点符号)
- } else {
- $bits = 1;
- $count += 0.5;
- }
- }
- $slen = $slen + $bits;
- $i = $i + $bits;
- }
- return substr($string, 0, $slen) . $ext;
- }
- //返回中文字数(二个字母会当一个汉字)
- static function getWordNum($string, $code = 'utf-8')
- {
- $i = 0; //开始字节数
- $count = 0; //开始字数
- if ($code == 'utf-8') { //utf-8编码
- while (isset($string[$i]) && ord($string[$i]) != 0) { //还没有到结尾
- $b = ord($string[$i]);
- //第一个字节大于224的,它与它之后的2个字节一起组成一个UTF-8字符
- if ($b >= 224) {
- $i += 3;
- $count++;
- //第一个字节大于192小于224的,它与它之后的1个字节组成一个UTF-8字符
- } elseif ($b >= 192) {
- $i += 2;
- $count++;
- //否则第一个字节本身就是一个英文字符(包括数字和一小部分标点符号)
- } else {
- $i += 1;
- $count += 0.5;
- }
- }
- return ceil($count);
- }
- //gkb编码
- while (isset($string[$i]) && ord($string[$i]) != 0) {
- $b = ord($string[$i]);
- //第一个字节ASCII码>129的,它与它之后的1个字节一起组成一个gbk字符。
- if ($b > 129) {
- $i += 2;
- $count++;
- //第一个字节ASCII码<=129的,一个字节组成一个gbk字符。
- } else {
- $i++;
- $count += 0.5;
- }
- }
- return ceil($count);
- }
- //取汉字拼音首字母
- //https://github.com/overtrue/pinyin
- public static function py($string)
- {
- if (empty($string)) {
- return '';
- }
- //如果包含中文
- if (preg_match('/[\x{4e00}-\x{9fa5}]/u', $string) > 0) {
- $pinyin = new Pinyin();
- $string = $pinyin->abbr($string, PINYIN_KEEP_ENGLISH);
- }
- return strtolower($string);
- }
- //取随机数
- static function charsShuffle($length)
- {
- $str = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
- $key = '';
- for ($i = 0; $i < $length; $i++) {
- $pos = mt_rand(0, strlen($str) - 1);
- $key .= $str[$pos];
- }
- return $key;
- }
- //取随机数(小写)
- static function charsShuffleLowerCase($length)
- {
- $str = 'abcdefghijklmnopqrstuvwxyz0123456789';
- $key = '';
- for ($i = 0; $i < $length; $i++) {
- $pos = mt_rand(0, strlen($str) - 1);
- $key .= $str[$pos];
- }
- return $key;
- }
- //随机取数字
- static function getRandNum($num)
- {
- $shuffle = str_shuffle('1234567890');
- $number = substr($shuffle, 0, $num);
- return $number;
- }
- // $string: 明文 或 密文
- // $operation:DECODE表示解密,其它表示加密
- // $key: 密匙
- // $expiry:密文有效期
- public function authcode($string, $operation = 'DECODE', $expiry = 0)
- {
- // 动态密匙长度,相同的明文会生成不同密文就是依靠动态密匙
- $ckey_length = 4;
- // 密匙
- $key = md5(self::KEY);
- // 密匙a会参与加解密
- $keya = md5(substr($key, 0, 16));
- // 密匙b会用来做数据完整性验证
- $keyb = md5(substr($key, 16, 16));
- // 密匙c用于变化生成的密文
- $keyc = $ckey_length ? ($operation == 'DECODE' ? substr($string, 0, $ckey_length) : substr(md5(microtime()), -$ckey_length)) : '';
- // 参与运算的密匙
- $cryptkey = $keya . md5($keya . $keyc);
- $key_length = strlen($cryptkey);
- // 明文,前10位用来保存时间戳,解密时验证数据有效性,10到26位用来保存$keyb(密匙b),解密时会通过这个密匙验证数据完整性
- // 如果是解码的话,会从第$ckey_length位开始,因为密文前$ckey_length位保存 动态密匙,以保证解密正确
- $string = $operation == 'DECODE' ? base64_decode(substr($string, $ckey_length)) : sprintf('%010d', $expiry ? $expiry + time() : 0) . substr(md5($string . $keyb), 0, 16) . $string;
- $string_length = strlen($string);
- $result = '';
- $box = range(0, 255);
- $rndkey = array();
- // 产生密匙簿
- for ($i = 0; $i <= 255; $i++) {
- $rndkey[$i] = ord($cryptkey[$i % $key_length]);
- }
- // 用固定的算法,打乱密匙簿,增加随机性,好像很复杂,实际上对并不会增加密文的强度
- for ($j = $i = 0; $i < 256; $i++) {
- $j = ($j + $box[$i] + $rndkey[$i]) % 256;
- $tmp = $box[$i];
- $box[$i] = $box[$j];
- $box[$j] = $tmp;
- }
- // 核心加解密部分
- for ($a = $j = $i = 0; $i < $string_length; $i++) {
- $a = ($a + 1) % 256;
- $j = ($j + $box[$a]) % 256;
- $tmp = $box[$a];
- $box[$a] = $box[$j];
- $box[$j] = $tmp;
- // 从密匙簿得出密匙进行异或,再转成字符
- $result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256]));
- }
- if ($operation == 'DECODE') {
- // substr($result, 0, 10) == 0 验证数据有效性
- // substr($result, 0, 10) - time() > 0 验证数据有效性
- // substr($result, 10, 16) == substr(md5(substr($result, 26).$keyb), 0, 16) 验证数据完整性
- // 验证数据有效性,请看未加密明文的格式
- if ((substr($result, 0, 10) == 0 || substr($result, 0, 10) - time() > 0) && substr($result, 10, 16) == substr(md5(substr($result, 26) . $keyb), 0, 16)) {
- return substr($result, 26);
- } else {
- return '';
- }
- } else {
- // 把动态密匙保存在密文里,这也是为什么同样的明文,生产不同密文后能解密的原因
- // 因为加密后的密文可能是一些特殊字符,复制过程可能会丢失,所以用base64编码
- return $keyc . str_replace('=', '', base64_encode($result));
- }
- }
- /**
- * 返回8位随机字符,重复概率较低
- */
- public static function getRandStr($id = null)
- {
- $chars = "0123456789abcdefghijklmnopqrstuvwxyz";
- $res = "";
- for ($i = 0; $i < 8; $i++) {
- $res .= $chars[mt_rand(0, strlen($chars) - 1)];
- }
- $rand = empty($id) ? $res : $res . $id;
- return $rand;
- }
- public static function randIP()
- {
- $arr_1 = array("218", "218", "66", "66", "218", "218", "60", "60", "202", "204", "66", "66", "66", "59", "61", "60", "222", "221", "66", "59", "60", "60", "66", "218", "218", "62", "63", "64", "66", "66", "122", "211");
- $randarr = mt_rand(0, count($arr_1));
- $ip1id = $arr_1[$randarr];
- $ip2id = round(rand(600000, 2550000) / 10000);
- $ip3id = round(rand(600000, 2550000) / 10000);
- $ip4id = round(rand(600000, 2550000) / 10000);
- return $ip1id . "." . $ip2id . "." . $ip3id . "." . $ip4id;
- }
- //写日志
- public static function log($content, $file)
- {
- $content .= "\r\n";
- $fh = fopen($file, 'ab'); //打开,追加模式
- fwrite($fh, $content);
- fclose($fh);
- }
- //减法
- public static function calcSub($a, $b)
- {
- return ($a * 1000 - $b * 1000) / 1000;
- }
- //加法
- public static function calcAdd($a, $b)
- {
- return ($a * 1000 + $b * 1000) / 1000;
- }
- public static function ride($a, $b)
- {
- }
- /**
- * 生成商家提现需要使用的订单号
- */
- public static function generateMerchantCashOrderNo($sjId)
- {
- return "C" . date('ymdHis') . $sjId . mt_rand(10000, 99999);
- }
- //生成用户需要使用的订单号 ssh 2019.4.20
- public static function generateOrderNo($sjId, $userId)
- {
- $userId = empty($userId) ? rand(12013120, 12536120) : $userId;
- if (strlen($userId) < 8) {
- exit('用户ID少于8位数');
- }
- $no = date('ymdHis') . $sjId . $userId . mt_rand(10000, 99999);
- if (strlen($no) > 32) {
- exit('订单位数大于32位');
- }
- return $no;
- }
- //微信32位的场景ID ssh 2019.9.4
- public static function generateSceneId($sjId)
- {
- $no = 'S' . date('YmdHis') . $sjId . mt_rand(100000, 999999);
- if (strlen($no) > 32) {
- $no = substr($no, 0, 32);
- }
- return $no;
- }
- //将加密窜转成可以在http上传输的字符
- public static function urlSafeB64Encode($string)
- {
- $data = base64_encode($string);
- $data = str_replace(array('+', '/', '='), array('-', '_', ''), $data);
- return $data;
- }
- //将url上传输的字符解密
- public static function urlSafeBase64Decode($string)
- {
- $data = str_replace(array('-', '_'), array('+', '/'), $string);
- $mod4 = strlen($data) % 4;
- if ($mod4) {
- $data .= substr('====', $mod4);
- }
- return base64_decode($data);
- }
- //中文二边保留,中间用*号代替 ssh 2019.8.13
- public static function replaceXH($name)
- {
- //获取字符串长度
- $strlen = mb_strlen($name, 'utf-8');
- //如果字符创长度小于2,不做任何处理
- if ($strlen < 2) {
- return $name;
- } else {
- //mb_substr — 获取字符串的部分
- $firstStr = mb_substr($name, 0, 1, 'utf-8');
- $lastStr = mb_substr($name, -1, 1, 'utf-8');
- //str_repeat — 重复一个字符串
- return $strlen == 2 ? $firstStr . str_repeat('*', mb_strlen($name, 'utf-8') - 1) : $firstStr . str_repeat("*", $strlen - 2) . $lastStr;
- }
- }
- //生成唯一的文件名称 ssh 2020.1.7
- public static function uniqueFileName()
- {
- //参考 https://www.cnblogs.com/yjf512/p/9057229.html
- //https://www.cnblogs.com/roluce/p/6026081.html
- return md5(uniqid(mt_rand(), true));
- }
- //生成短的随机名称,基于当前时间微秒数 ssh 2020.4.13
- public static function shortUniqueId($id)
- {
- //示例:05e946fc1008bc
- return uniqid($id);
- }
- //参数格式化,错误提示查看友好 ssh 2021.01.04
- public static function paramsFriend($params)
- {
- $str = "[";
- if (!empty($params) && is_array($params)) {
- foreach ($params as $name => $item) {
- $item = is_array($item) ? json_encode($item) : $item;
- $str .= "\n{$name}=>{$item}";
- }
- }
- $str .= "\n]";
- return $str;
- }
- }
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