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src/main/java/com/aida/seller/common/exception/GlobalExceptionHandler.java

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+package com.aida.seller.common.exception;
+
+import com.aida.seller.common.result.Response;
+import com.aida.seller.common.result.ResultEnum;
+import jakarta.servlet.http.HttpServletRequest;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.BindException;
+import org.springframework.validation.FieldError;
+import org.springframework.web.bind.MethodArgumentNotValidException;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+import java.util.stream.Collectors;
+
+@Slf4j
+@RestControllerAdvice
+public class GlobalExceptionHandler {
+
+    @ExceptionHandler(BusinessException.class)
+    public Response<?> handleBusinessException(BusinessException e) {
+        log.error("业务异常: code={}, msg={}", e.getCode(), e.getMsg());
+        return Response.fail(e.getCode(), e.getMsg());
+    }
+
+    @ExceptionHandler(MethodArgumentNotValidException.class)
+    public Response<?> handleValidationException(MethodArgumentNotValidException e) {
+        String message = e.getBindingResult().getFieldErrors().stream()
+                .map(FieldError::getDefaultMessage)
+                .collect(Collectors.joining(", "));
+        log.error("参数校验异常: {}", message);
+        return Response.fail(ResultEnum.PARAMETER_ERROR.getCode(), message);
+    }
+
+    @ExceptionHandler(BindException.class)
+    public Response<?> handleBindException(BindException e) {
+        String message = e.getBindingResult().getFieldErrors().stream()
+                .map(FieldError::getDefaultMessage)
+                .collect(Collectors.joining(", "));
+        log.error("参数绑定异常: {}", message);
+        return Response.fail(ResultEnum.PARAMETER_ERROR.getCode(), message);
+    }
+
+    @ExceptionHandler(Exception.class)
+    public Response<?> handleException(Exception e) {
+        log.error("系统异常: ", e);
+        return Response.error("系统繁忙，请稍后再试");
+    }
+    /**
+     * 处理MinIO异常
+     */
+    @ExceptionHandler(MinioException.class)
+    public ResponseEntity<Object> handleMinioException(MinioException e) {
+        log.error("[MinioException] {}", e.getMessage(), e);
+        String message = e.getMessage();
+        if (message != null && (message.contains("文件不能为空") || message.contains("不能为空"))) {
+            Response<?> response = Response.error(HttpStatus.INTERNAL_SERVER_ERROR.value(), "File cannot be empty");
+            return new ResponseEntity<>(response, HttpStatus.INTERNAL_SERVER_ERROR);
+        }
+        Response<?> response = Response.error(HttpStatus.INTERNAL_SERVER_ERROR.value(), "File storage service error");
+        return new ResponseEntity<>(response, HttpStatus.INTERNAL_SERVER_ERROR);
+    }
+}