项目初始化

2025-09-22 18:52:07 +08:00
commit c4fca82443
5192 changed files with 866921 additions and 0 deletions
--- a/extend/fast/Random.php
+++ b/extend/fast/Random.php
@@ -0,0 +1,110 @@
+<?php
+
+namespace fast;
+
+/**
+ * 随机生成类
+ */
+class Random
+{
+
+    /**
+     * 生成数字和字母
+     *
+     * @param int $len 长度
+     * @return string
+     */
+    public static function alnum(int $len = 6): string
+    {
+        return self::build('alnum', $len);
+    }
+
+    /**
+     * 仅生成字符
+     *
+     * @param int $len 长度
+     * @return string
+     */
+    public static function alpha(int $len = 6): string
+    {
+        return self::build('alpha', $len);
+    }
+
+    /**
+     * 生成指定长度的随机数字
+     *
+     * @param int $len 长度
+     * @return string
+     */
+    public static function numeric(int $len = 4): string
+    {
+        return self::build('numeric', $len);
+    }
+
+    /**
+     * 生成指定长度的无0随机数字
+     *
+     * @param int $len 长度
+     * @return string
+     */
+    public static function nozero(int $len = 4): string
+    {
+        return self::build('nozero', $len);
+    }
+
+    /**
+     * 能用的随机数生成
+     * @param string $type 类型 alpha/alnum/numeric/nozero/unique/md5/encrypt/sha1
+     * @param int    $len  长度
+     * @return string
+     */
+    public static function build(string $type = 'alnum', int $len = 8): string
+    {
+        switch ($type) {
+            case 'alpha':
+            case 'alnum':
+            case 'numeric':
+            case 'nozero':
+                switch ($type) {
+                    case 'alpha':
+                        $pool = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+                        break;
+                    case 'alnum':
+                        $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+                        break;
+                    case 'numeric':
+                        $pool = '0123456789';
+                        break;
+                    case 'nozero':
+                        $pool = '123456789';
+                        break;
+                }
+                return substr(str_shuffle(str_repeat($pool, ceil($len / strlen($pool)))), 0, $len);
+            case 'unique':
+            case 'md5':
+                return md5(uniqid(mt_rand()));
+            case 'encrypt':
+            case 'sha1':
+                return sha1(uniqid(mt_rand(), true));
+        }
+    }
+
+    /**
+     * 获取全球唯一标识
+     * @return string
+     */
+    public static function uuid(): string
+    {
+        return sprintf(
+            '%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
+            mt_rand(0, 0xffff),
+            mt_rand(0, 0xffff),
+            mt_rand(0, 0xffff),
+            mt_rand(0, 0x0fff) | 0x4000,
+            mt_rand(0, 0x3fff) | 0x8000,
+            mt_rand(0, 0xffff),
+            mt_rand(0, 0xffff),
+            mt_rand(0, 0xffff)
+        );
+    }
+}