【改进】全局异常捕获

src/main/java/com/corewing/app/handler/GlobalExceptionHandler.java

@@ -5,10 +5,16 @@ import com.corewing.app.common.Result;
 import com.corewing.app.util.I18nUtil;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.HttpStatus;
+import org.springframework.validation.FieldError;
+import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.ResponseStatus;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
 
+import javax.validation.ConstraintViolation;
+import javax.validation.ConstraintViolationException;
+import java.util.stream.Collectors;
+
 /**
  * 全局异常处理器
  */
@@ -46,14 +52,39 @@ public class GlobalExceptionHandler {
         return Result.error(HttpStatus.UNAUTHORIZED.value(), message);
     }
 
+    /**
+     * 处理 @Valid 参数校验异常（RequestBody 参数）
+     */
+    @ExceptionHandler(MethodArgumentNotValidException.class)
+    @ResponseStatus(HttpStatus.BAD_REQUEST)
+    public Result<String> handleMethodArgumentNotValidException(MethodArgumentNotValidException e) {
+        // 获取第一个错误信息
+        String errorMessage = e.getBindingResult().getFieldErrors().stream()
+                .map(FieldError::getDefaultMessage)
+                .collect(Collectors.joining("; "));
+        return Result.error(HttpStatus.BAD_REQUEST.value(), errorMessage);
+    }
+
+    /**
+     * 处理 @Validated 参数校验异常（RequestParam/PathVariable 参数）
+     */
+    @ExceptionHandler(ConstraintViolationException.class)
+    @ResponseStatus(HttpStatus.BAD_REQUEST)
+    public Result<String> handleConstraintViolationException(ConstraintViolationException e) {
+        // 获取第一个错误信息
+        String errorMessage = e.getConstraintViolations().stream()
+                .map(ConstraintViolation::getMessage)
+                .collect(Collectors.joining("; "));
+        return Result.error(HttpStatus.BAD_REQUEST.value(), errorMessage);
+    }
+
     /**
      * 处理其他异常
      */
     @ExceptionHandler(Exception.class)
-//    @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
     public Result<String> handleException(Exception e) {
-        log.error(e.getMessage());
+        log.error("系统异常: ", e);
         return Result.error(HttpStatus.INTERNAL_SERVER_ERROR.value(),
-                e.getMessage());
+                I18nUtil.getMessage("error.system"));
     }
 }

src/main/resources/i18n/messages_en_US.properties

@@ -64,6 +64,7 @@ error.token.replaced=Account has been logged in elsewhere
 error.token.kicked.out=Account has been kicked offline
 error.not.login=Not logged in, please login first
 error.server.internal=Internal server error: {0}
+error.system=System error, please try again later
 
 # ==================== Utility Classes ====================
 # Redis Utility

src/main/resources/i18n/messages_zh_CN.properties

@@ -64,6 +64,7 @@ error.token.replaced=账号已在其他地方登录
 error.token.kicked.out=账号已被踢下线
 error.not.login=未登录，请先登录
 error.server.internal=服务器内部错误：{0}
+error.system=系统错误，请稍后重试
 
 # ==================== 工具类 ====================
 # Redis工具类