From 8058bc21f56b6e06017e193819ca3ccf82175cb7 Mon Sep 17 00:00:00 2001
From: Jerry Yan <792602257@qq.com>
Date: Thu, 27 Nov 2025 22:21:35 +0800
Subject: [PATCH] =?UTF-8?q?fix(utils):=20=E4=BF=AE=E6=AD=A3=E5=9B=BE?=
 =?UTF-8?q?=E7=89=87=E6=97=8B=E8=BD=AC=E8=A7=92=E5=BA=A6=E5=8F=82=E6=95=B0?=
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- 将旋转角度从270度更正为90度
- 保持旋转后宽高的正确计算逻辑
- 确保测试场景覆盖正确的旋转角度
---
 src/main/java/com/ycwl/basic/utils/ImageUtils.java | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/main/java/com/ycwl/basic/utils/ImageUtils.java b/src/main/java/com/ycwl/basic/utils/ImageUtils.java
index 96381cc3..16718bb2 100644
--- a/src/main/java/com/ycwl/basic/utils/ImageUtils.java
+++ b/src/main/java/com/ycwl/basic/utils/ImageUtils.java
@@ -336,7 +336,7 @@ public class ImageUtils {
         // 测试两种情况: 不旋转、旋转270度
         int[][] scenarios = {
             {0, srcWidth, srcHeight},           // 不旋转
-            {270, srcHeight, srcWidth}          // 旋转270度
+            {90, srcHeight, srcWidth}          // 旋转270度
         };
 
         for (int[] scenario : scenarios) {
@@ -379,7 +379,7 @@ public class ImageUtils {
         int width = source.getWidth();
         int height = source.getHeight();
 
-        // 270度会交换宽高
+        // 90度会交换宽高
         BufferedImage rotated = new BufferedImage(height, width, source.getType());
         Graphics2D g2d = null;
 
@@ -388,7 +388,7 @@ public class ImageUtils {
 
             AffineTransform transform = new AffineTransform();
             transform.translate(height / 2.0, width / 2.0);
-            transform.rotate(-Math.PI / 2);
+            transform.rotate(Math.PI / 2);
             transform.translate(-width / 2.0, -height / 2.0);
 
             g2d.setTransform(transform);