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update at 2026-02-11 12:10:49

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douboer
2026-02-11 12:10:49 +08:00
parent 5e4fffbce4
commit 0dbb991522
3 changed files with 31 additions and 4 deletions
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22
miniprogram/pages/index/index.js
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@@ -104,6 +104,22 @@ function showExportError(title, error, fallback) {
})
}
function toPngSaveError(saveResult) {
if (!saveResult || saveResult.success) {
return null
}
if (saveResult.reason === 'private_api_banned') {
return new Error('当前小程序账号不支持“保存到相册”（private api banned）。请改用“导出 SVG”分享，或更换支持该能力的账号/版本。')
}
if (saveResult.reason === 'auth_denied') {
return saveResult.error || new Error('保存失败，请检查相册权限')
}
return saveResult.error || new Error('保存 PNG 失败')
}
function writePngBufferToTempFile(pngBuffer, fontName) {
const safeName = String(fontName || 'font').replace(/[<>:"/\\|?*\x00-\x1F]/g, '_').slice(0, 60) || 'font'
const filePath = `${wx.env.USER_DATA_PATH}/${safeName}_${Date.now()}.png`
@@ -906,7 +922,7 @@ Page({
const saveResult = await savePngToAlbum(pngPath)
if (!saveResult.success) {
throw saveResult.error || new Error('保存 PNG 失败')
throw toPngSaveError(saveResult)
}
}
wx.showToast({ title: 'PNG 已保存到相册', icon: 'success' })
@@ -970,7 +986,7 @@ Page({
if (saveResult.success) {
wx.showToast({ title: 'PNG 已保存到相册', icon: 'success' })
} else {
showExportError('导出 PNG 失败', saveResult.error, '保存失败，请检查相册权限')
showExportError('导出 PNG 失败', toPngSaveError(saveResult), '保存 PNG 失败')
}
} catch (error) {
showExportError('导出 PNG 失败', error, '请稍后重试')
@@ -1029,7 +1045,7 @@ Page({
if (saveResult.success) {
wx.showToast({ title: 'PNG 已保存到相册', icon: 'success' })
} else {
showExportError('导出 PNG 失败', saveResult.error, '保存失败，请检查相册权限')
showExportError('导出 PNG 失败', toPngSaveError(saveResult), '保存 PNG 失败')
}
} catch (error) {
showExportError('导出 PNG 失败', error, '请稍后重试')