1. 调整异常处理类

2. 统一职责分工
3. 清除多余代码

app/exceptions/BadRequestException.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace app\exceptions;
+
+use Webman\Exception\BusinessException;
+
+/**
+ * 请求参数错误异常
+ * 用于请求参数格式错误、验证码错误等情况
+ * 
+ * 示例：
+ * throw new BadRequestException('验证码错误或已失效');
+ * throw new BadRequestException('请求参数格式错误');
+ */
+class BadRequestException extends BusinessException
+{
+    public function __construct(string $message = '请求参数错误', int $bizCode = 400, array $data = [])
+    {
+        parent::__construct($message, $bizCode);
+        if (!empty($data)) {
+            $this->data($data);
+        }
+    }
+}
+

app/exceptions/ForbiddenException.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace app\exceptions;
+
+use Webman\Exception\BusinessException;
+
+/**
+ * 禁止访问异常
+ * 用于无权限、账号被禁用等情况
+ * 
+ * 示例：
+ * throw new ForbiddenException('账号已被禁用');
+ * throw new ForbiddenException('无权限访问该资源');
+ */
+class ForbiddenException extends BusinessException
+{
+    public function __construct(string $message = '禁止访问', int $bizCode = 403, array $data = [])
+    {
+        parent::__construct($message, $bizCode);
+        if (!empty($data)) {
+            $this->data($data);
+        }
+    }
+}
+

app/exceptions/InternalServerException.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace app\exceptions;
+
+use Webman\Exception\BusinessException;
+
+/**
+ * 系统内部错误异常
+ * 用于配置文件错误、系统错误等不可预期的错误
+ * 
+ * 示例：
+ * throw new InternalServerException('字典配置文件不存在');
+ * throw new InternalServerException('配置文件格式错误：' . json_last_error_msg());
+ * throw new InternalServerException('保存失败');
+ */
+class InternalServerException extends BusinessException
+{
+    public function __construct(string $message = '系统内部错误', int $bizCode = 500, array $data = [])
+    {
+        parent::__construct($message, $bizCode);
+        if (!empty($data)) {
+            $this->data($data);
+        }
+    }
+}
+

app/exceptions/NotFoundException.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace app\exceptions;
+
+use Webman\Exception\BusinessException;
+
+/**
+ * 资源不存在异常
+ * 用于资源未找到的情况
+ * 
+ * 示例：
+ * throw new NotFoundException('用户不存在');
+ * throw new NotFoundException('未找到指定的字典：' . $code);
+ */
+class NotFoundException extends BusinessException
+{
+    public function __construct(string $message = '资源不存在', int $bizCode = 404, array $data = [])
+    {
+        parent::__construct($message, $bizCode);
+        if (!empty($data)) {
+            $this->data($data);
+        }
+    }
+}
+

app/exceptions/UnauthorizedException.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace app\exceptions;
+
+use Webman\Exception\BusinessException;
+
+/**
+ * 未授权异常
+ * 用于认证失败、token无效等情况
+ * 
+ * 示例：
+ * throw new UnauthorizedException('账号或密码错误');
+ * throw new UnauthorizedException('认证令牌已过期');
+ * throw new UnauthorizedException('认证令牌无效');
+ */
+class UnauthorizedException extends BusinessException
+{
+    public function __construct(string $message = '未授权', int $bizCode = 401, array $data = [])
+    {
+        parent::__construct($message, $bizCode);
+        if (!empty($data)) {
+            $this->data($data);
+        }
+    }
+}
+

app/exceptions/ValidationException.php

@@ -3,8 +3,6 @@
 namespace app\exceptions;
 
 use Webman\Exception\BusinessException;
-use Webman\Http\Request;
-use Webman\Http\Response;
 
 /**
  * 参数校验异常
@@ -19,6 +17,9 @@ class ValidationException extends BusinessException
 {
     public function __construct(string $message = '参数校验失败', int $bizCode = 422, array $data = [])
     {
-        parent::__construct($message, $bizCode, $data);
+        parent::__construct($message, $bizCode);
+        if (!empty($data)) {
+            $this->data($data);
+        }
     }
 }