feat(database): 添加用户角色权限系统及相关监控功能

- 创建用户表(users)包含基本信息和认证字段
- 创建角色表(roles)用于权限控制
- 创建权限表(permissions)定义系统权限
- 创建用户角色关联表(user_roles)建立用户与角色关系
- 创建角色权限关联表(role_permissions)建立角色与权限关系
- 创建迁移记录表(migrations)追踪数据库变更
- 添加AdminController提供管理员面板功能
- 实现系统监控、配置管理、缓存清理等功能
- 添加AOP切面编程支持的各种通知类型
- 实现告警管理AlertManager支持多渠道告警
- 添加文档注解接口规范

fendx-framework/fendx-common/composer.json

@@ -0,0 +1,22 @@
+{
+    "name": "fendx/common",
+    "description": "FendxPHP Common Module - 公共工具、常量、枚举、异常",
+    "type": "library",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Lawson",
+            "email": "lawson@fendx.cn"
+        }
+    ],
+    "require": {
+        "php": ">=8.1"
+    },
+    "autoload": {
+        "psr-4": {
+            "Fendx\\Common\\": "src/"
+        }
+    },
+    "minimum-stability": "stable",
+    "prefer-stable": true
+}

fendx-framework/fendx-common/src/Constant/HttpCode.php

@@ -0,0 +1,23 @@
+<?php
+declare(strict_types=1);
+
+namespace Fendx\Common\Constant;
+
+class HttpCode
+{
+    public const OK = 200;
+    public const CREATED = 201;
+    public const NO_CONTENT = 204;
+    
+    public const BAD_REQUEST = 400;
+    public const UNAUTHORIZED = 401;
+    public const FORBIDDEN = 403;
+    public const NOT_FOUND = 404;
+    public const METHOD_NOT_ALLOWED = 405;
+    public const CONFLICT = 409;
+    
+    public const INTERNAL_SERVER_ERROR = 500;
+    public const NOT_IMPLEMENTED = 501;
+    public const BAD_GATEWAY = 502;
+    public const SERVICE_UNAVAILABLE = 503;
+}

fendx-framework/fendx-common/src/Exception/BaseException.php

@@ -0,0 +1,38 @@
+<?php
+declare(strict_types=1);
+
+namespace Fendx\Common\Exception;
+
+use Throwable;
+
+abstract class BaseException extends \Exception
+{
+    protected int $errorCode = 0;
+    protected array $data = [];
+
+    public function __construct(string $message = "", int $code = 0, ?Throwable $previous = null, array $data = [])
+    {
+        parent::__construct($message, $code, $previous);
+        $this->errorCode = $code;
+        $this->data = $data;
+    }
+
+    public function getErrorCode(): int
+    {
+        return $this->errorCode;
+    }
+
+    public function getData(): array
+    {
+        return $this->data;
+    }
+
+    public function toArray(): array
+    {
+        return [
+            'code' => $this->getErrorCode(),
+            'message' => $this->getMessage(),
+            'data' => $this->getData()
+        ];
+    }
+}

fendx-framework/fendx-common/src/Exception/BusinessException.php

@@ -0,0 +1,33 @@
+<?php
+declare(strict_types=1);
+
+namespace Fendx\Common\Exception;
+
+class BusinessException extends BaseException
+{
+    public function __construct(int $code, string $messageKey, array $data = [], ?\Throwable $previous = null)
+    {
+        $message = $this->getMessageByKey($messageKey, $data);
+        parent::__construct($message, $code, $previous, $data);
+    }
+
+    private function getMessageByKey(string $key, array $data = []): string
+    {
+        $messages = [
+            'DB_CONNECT_FAILED' => '数据库连接失败: {message}',
+            'VALIDATION_FAILED' => '参数验证失败',
+            'UNAUTHORIZED' => '未授权访问',
+            'FORBIDDEN' => '禁止访问',
+            'NOT_FOUND' => '资源不存在',
+            'SERVER_ERROR' => '服务器内部错误',
+        ];
+
+        $message = $messages[$key] ?? $key;
+        
+        foreach ($data as $k => $v) {
+            $message = str_replace('{' . $k . '}', (string)$v, $message);
+        }
+        
+        return $message;
+    }
+}

fendx-framework/fendx-common/src/Util/ArrayHelper.php

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+<?php
+declare(strict_types=1);
+
+namespace Fendx\Common\Util;
+
+class ArrayHelper
+{
+    public static function get(array $array, string $key, mixed $default = null): mixed
+    {
+        if ($key === '') {
+            return $default;
+        }
+        
+        $keys = explode('.', $key);
+        $value = $array;
+        
+        foreach ($keys as $k) {
+            if (!is_array($value) || !array_key_exists($k, $value)) {
+                return $default;
+            }
+            $value = $value[$k];
+        }
+        
+        return $value;
+    }
+    
+    public static function set(array &$array, string $key, mixed $value): void
+    {
+        $keys = explode('.', $key);
+        $current = &$array;
+        
+        foreach ($keys as $k) {
+            if (!is_array($current)) {
+                $current = [];
+            }
+            if (!array_key_exists($k, $current)) {
+                $current[$k] = [];
+            }
+            $current = &$current[$k];
+        }
+        
+        $current = $value;
+    }
+    
+    public static function merge(array ...$arrays): array
+    {
+        $result = [];
+        
+        foreach ($arrays as $array) {
+            foreach ($array as $key => $value) {
+                if (is_int($key)) {
+                    $result[] = $value;
+                } elseif (isset($result[$key]) && is_array($result[$key]) && is_array($value)) {
+                    $result[$key] = self::merge($result[$key], $value);
+                } else {
+                    $result[$key] = $value;
+                }
+            }
+        }
+        
+        return $result;
+    }
+}