49 lines
1.1 KiB
TypeScript
49 lines
1.1 KiB
TypeScript
import Taro from "@tarojs/taro";
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export function saveImage(url) {
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// 下载网络图片，返回本地 temp 文件
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const download = () => {
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return Taro.downloadFile({ url }).then(res => {
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if (res.statusCode === 200) {
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return res.tempFilePath
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}
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throw new Error("图片下载失败")
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})
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}
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const save = async () => {
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try {
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const filePath = await download()
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await Taro.saveImageToPhotosAlbum({ filePath })
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Taro.showToast({ title: "保存成功" })
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} catch (e) {
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console.warn(e)
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Taro.showToast({ title: "图片保存失败", icon: "none" })
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}
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}
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Taro.getSetting().then(res => {
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const authorized = res.authSetting["scope.writePhotosAlbum"]
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if (!authorized) {
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Taro.authorize({
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scope: "scope.writePhotosAlbum",
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success: () => {
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save()
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},
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fail: () => {
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Taro.showModal({
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title: "提示",
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content: "需要开启相册权限才能保存图片",
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success: (r) => {
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if (r.confirm) Taro.openSetting()
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}
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})
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}
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})
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} else {
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save()
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}
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})
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}
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