fix: saveAs 优先,失败 fallback 直接下载
先尝试弹出保存对话框(saveAs: true),如果和 Chrome 设置冲突 则 fallback 到直接下载到默认文件夹。兼容所有 Chrome 设置。
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@@ -177,7 +177,12 @@ chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
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const stored = await chrome.storage.session.get(['pptxBase64', 'pptxFilename']);
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if (!stored.pptxBase64) throw new Error('没有待下载的数据');
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const dataUrl = 'data:application/vnd.openxmlformats-officedocument.presentationml.presentation;base64,' + stored.pptxBase64;
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// 先尝试弹出保存对话框,失败则直接下载到默认文件夹
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try {
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await chrome.downloads.download({ url: dataUrl, filename: stored.pptxFilename, saveAs: true });
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} catch (e) {
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await chrome.downloads.download({ url: dataUrl, filename: stored.pptxFilename });
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}
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await chrome.storage.session.remove(['pptxBase64', 'pptxFilename']);
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return { ok: true };
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})()
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