参数校验

src/main/java/com/greenorange/promotion/exception/GlobalExceptionHandler.java

@@ -47,10 +47,11 @@ public class GlobalExceptionHandler {
     @ExceptionHandler(HttpMessageNotReadableException.class)
     public BaseResponse<?> handleHttpMessageNotReadableException(HttpMessageNotReadableException e) {
         log.error("HttpMessageNotReadableException", e);
-        return ResultUtils.error(ErrorCode.PARAMS_ERROR, e.getMessage());
+        return ResultUtils.error(ErrorCode.PARAMS_ERROR, "请求体不能为空或格式无效");
     }
 
 
+    // 处理业务异常
     @ExceptionHandler(BusinessException.class)
     public BaseResponse<?> businessExceptionHandler(BusinessException e) {
         log.error("BusinessException", e);
@@ -58,6 +59,7 @@ public class GlobalExceptionHandler {
     }
 
 
+    // 处理运行时异常
     @ExceptionHandler(RuntimeException.class)
     public BaseResponse<?> runtimeExceptionHandler(RuntimeException e) {
         log.error("RuntimeException", e);