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fix: 锁死页面双指缩放，正文原图与灯箱 pinch 放大

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禁止手机/平板整页捏合缩放；帖子与单页正文直接显示原图（含外链可点开灯箱），灯箱内支持双指缩放与拖动。

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
姜十三
2026-08-28 19:11:00 +08:00
parent 7965768f3d
commit 8cfe31da61
4 changed files with 272 additions and 29 deletions
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23
frontend/src/utils/postContent.ts
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@@ -202,18 +202,17 @@ export function renderPostContentHtml(
if (!img.getAttribute('loading')) img.setAttribute('loading', 'lazy');
if (!img.getAttribute('decoding')) img.setAttribute('decoding', 'async');
const rawSrc = img.getAttribute('src') || '';
const full = img.getAttribute('data-full') || rawSrc;
const thumb = toPostImageThumbSrc(full) || toPostImageThumbSrc(rawSrc);
if (thumb && full) {
// 正文加载缩略图，点击灯箱用原图
if (!img.getAttribute('data-full')) img.setAttribute('data-full', full);
if (rawSrc !== thumb) img.setAttribute('src', thumb);
img.classList.add('post-content-img--zoomable');
img.setAttribute('role', 'button');
img.setAttribute('tabindex', '0');
img.setAttribute('title', img.getAttribute('title') || '点击查看原图');
}
const rawSrc = (img.getAttribute('src') || '').trim();
const full = (img.getAttribute('data-full') || rawSrc).trim();
// 表情贴纸保持行内展示，不进灯箱；本地上传图与外链图均可点击查看
if (!full || full.startsWith('data:') || full.startsWith('blob:')) return;
if (rawSrc.includes('/stickers/') || full.includes('/stickers/')) return;
if (!img.getAttribute('data-full')) img.setAttribute('data-full', full);
img.classList.add('post-content-img--zoomable');
img.setAttribute('role', 'button');
img.setAttribute('tabindex', '0');
img.setAttribute('title', img.getAttribute('title') || '点击查看原图');
});
// 规范化图组 class，保证阅读态宫格样式生效