From 043daac375b3b7d8de5963709269f18155151e8d Mon Sep 17 00:00:00 2001
From: LiuJiaNan <15703339975@163.com>
Date: Tue, 28 Oct 2025 14:08:33 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96Upload=E5=9B=BE=E7=89=87?=
 =?UTF-8?q?=E5=88=86=E8=BE=A8=E7=8E=87=E9=AA=8C=E8=AF=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 components/Upload/index.js | 34 ++++++++++++++++++++++++----------
 1 file changed, 24 insertions(+), 10 deletions(-)

diff --git a/components/Upload/index.js b/components/Upload/index.js
index 7878dba..dd9f59a 100644
--- a/components/Upload/index.js
+++ b/components/Upload/index.js
@@ -73,17 +73,31 @@ const Upload = (props) => {
 
     // 验证图片分辨率
     if (ratioArr.length === 2 && file.type?.startsWith("image/")) {
-      const img = new Image();
-      img.src = file.url || file.thumbUrl;
-      img.onload = () => {
-        if (img.width !== +ratioArr[0] || img.height !== +ratioArr[1]) {
-          message.warning(`只能上传${ratio}分辨率的图片`);
-          const filtered = fileList.filter(item => item.uid !== file.uid);
-          onChange?.(filtered);
-          return;
-        }
-        onChange?.(fileList);
+      const validateImageResolution = (imageUrl) => {
+        const img = new Image();
+        img.onload = () => {
+          if (img.width !== +ratioArr[0] || img.height !== +ratioArr[1]) {
+            message.warning(`只能上传${ratio}分辨率的图片`);
+            const filtered = fileList.filter(item => item.uid !== file.uid);
+            onChange?.(filtered);
+            return;
+          }
+          onChange?.(fileList);
+        };
+        img.src = imageUrl;
       };
+
+      // 如果有现成的URL则直接使用，否则使用FileReader读取本地文件
+      if (file.url) {
+        validateImageResolution(file.url);
+      }
+      else {
+        const reader = new FileReader();
+        reader.onload = (e) => {
+          validateImageResolution(e.target.result);
+        };
+        reader.readAsDataURL(file);
+      }
     }
     else {
       onChange?.(fileList);