From 0726a21eadd2ce2862a1792aa3acd4ce4d1c1213 Mon Sep 17 00:00:00 2001
From: Charles7c <charles7c@126.com>
Date: Sat, 17 May 2025 14:33:35 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20GlobalExceptionHandler=20=E5=A2=9E?=
 =?UTF-8?q?=E5=8A=A0=20MethodArgumentNotValidException=20=E5=A4=84?=
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 =?UTF-8?q?ul=20Reponse=20=E6=89=98=E7=AE=A1=E4=BC=9A=E5=AD=98=E5=9C=A8?=
 =?UTF-8?q?=E9=94=99=E8=AF=AF=E5=85=A8=E9=83=A8=E8=BF=94=E5=9B=9E=E7=9A=84?=
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---
 .../exception/GlobalExceptionHandler.java     | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/continew-common/src/main/java/top/continew/admin/common/config/exception/GlobalExceptionHandler.java b/continew-common/src/main/java/top/continew/admin/common/config/exception/GlobalExceptionHandler.java
index b7862c6f..e1bfbcd7 100644
--- a/continew-common/src/main/java/top/continew/admin/common/config/exception/GlobalExceptionHandler.java
+++ b/continew-common/src/main/java/top/continew/admin/common/config/exception/GlobalExceptionHandler.java
@@ -25,6 +25,7 @@ import org.springframework.core.annotation.Order;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.converter.HttpMessageNotReadableException;
 import org.springframework.web.HttpRequestMethodNotSupportedException;
+import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.MissingServletRequestParameterException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
@@ -34,8 +35,11 @@ import org.springframework.web.servlet.NoHandlerFoundException;
 import top.continew.starter.core.exception.BadRequestException;
 import top.continew.starter.core.exception.BaseException;
 import top.continew.starter.core.exception.BusinessException;
+import top.continew.starter.core.util.ExceptionUtils;
 import top.continew.starter.web.model.R;
 
+import java.util.Objects;
+
 /**
  * 全局异常处理器
  *
@@ -48,7 +52,6 @@ import top.continew.starter.web.model.R;
 @RestControllerAdvice
 public class GlobalExceptionHandler {
 
-
     /**
      * 自定义基类异常
      */
@@ -92,6 +95,20 @@ public class GlobalExceptionHandler {
         return R.fail(String.valueOf(HttpStatus.BAD_REQUEST.value()), "参数 '%s' 缺失".formatted(e.getParameterName()));
     }
 
+    /**
+     * 方法参数无效异常
+     * <p>
+     * {@code @NotBlank}、{@code @NotNull} 等参数验证不通过
+     * </p>
+     */
+    @ExceptionHandler(MethodArgumentNotValidException.class)
+    public R handleMethodArgumentNotValidException(MethodArgumentNotValidException e, HttpServletRequest request) {
+        log.error("[{}] {}", request.getMethod(), request.getRequestURI(), e);
+        String errorMsg = ExceptionUtils.exToNull(() -> Objects.requireNonNull(e.getBindingResult().getFieldError())
+            .getDefaultMessage());
+        return R.fail(String.valueOf(HttpStatus.BAD_REQUEST.value()), errorMsg);
+    }
+
     /**
      * 方法参数类型不匹配异常
      * <p>