From 75b7c7fb07e6ac6758bb09cab6c6527d9d2f9f74 Mon Sep 17 00:00:00 2001
From: lanterngamescn <lanterngamescn@gmail.com>
Date: Sat, 27 Jun 2026 15:13:43 +0800
Subject: [PATCH] =?UTF-8?q?fix(share):=20=E6=88=AA=E5=9B=BE=E5=8F=96?=
 =?UTF-8?q?=E9=BB=98=E8=AE=A4canvas(=E4=BC=A0=E7=A9=BA=E4=B8=B2)=E4=B8=8D?=
 =?UTF-8?q?=E5=86=8D=E8=AF=AF=E7=94=A8sharetype=E5=BD=93canvasId=E2=80=94?=
 =?UTF-8?q?=E2=80=94=E4=BF=AEtype=3D2=E5=88=86=E4=BA=AB=E9=99=8D=E7=BA=A7?=
 =?UTF-8?q?=E4=B8=BA=E6=96=87=E6=9C=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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对照原工程: sharetype 是闲聊二级字段非 canvasId; 截图始终 querySelector('canvas')。
此前 cap(bean.sharetype='0') → getElementById('0') 找不到→截图空→降级文本。
---
 .../src/main/ets/providers/ShareProvider.ets                | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/feature_capabilities/src/main/ets/providers/ShareProvider.ets b/feature_capabilities/src/main/ets/providers/ShareProvider.ets
index a0d11f3..6bdc4bb 100644
--- a/feature_capabilities/src/main/ets/providers/ShareProvider.ets
+++ b/feature_capabilities/src/main/ets/providers/ShareProvider.ets
@@ -181,12 +181,14 @@ export class ShareProvider implements CapabilityProvider {
       this.startTextShare(bean, platform);
       return;
     }
-    cap(bean.sharetype).then((dataUrl: string) => {
+    // sharetype 不是 canvasId（原工程为"闲聊"二级字段），截图始终取默认首个 <canvas>，故传空串。
+    cap('').then((dataUrl: string) => {
+      this.log.i(`canvas captured dataUrlLen=${dataUrl.length}`);
       const filePath: string = dataUrl !== '' ? this.saveDataUrlToFile(ctx.uiAbilityContext, dataUrl) : '';
       if (filePath !== '') {
         this.onImageReady(bean, platform, filePath);
       } else {
-        this.log.w('canvas capture empty; fallback to text guide');
+        this.log.w('canvas capture empty (页面可能无 <canvas>); fallback to text guide');
         this.startTextShare(bean, platform);
       }
     }).catch((e: Error) => {