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- Page({
- data: {
- codeUrl: "https://music-play.oss-cn-shenzhen.aliyuncs.com/device/20221107134141195228914.png",
- nvabarData: {
- showCapsule: 1, //是否显示左上角图标 1表示显示 0表示不显示
- title: '下载', //导航栏 中间的标题
- },
- },
- onLoad() {
- init().then((res) => {
- this.setData({
- codeUrl: res.appDownQrCode,
- })
- })
- },
- // 保存海报
- saveImageToPhotosAlbum() {
- const _this = this;
- wx.showLoading({
- title: '保存中...'
- })
- wx.downloadFile({
- url: _this.data.codeUrl,
- success: function (res) {
- //图片保存到本地
- wx.saveImageToPhotosAlbum({
- filePath: res.tempFilePath,
- success: function (data) {
- wx.hideLoading()
- wx.showToast({
- title: '保存成功',
- icon: 'success',
- duration: 2000
- })
- },
- fail: function (err) {
- if (err.errMsg === "saveImageToPhotosAlbum:fail:auth denied" || err.errMsg === "saveImageToPhotosAlbum:fail auth deny") {
- // 这边微信做过调整,必须要在按钮中触发,因此需要在弹框回调中进行调用
- wx.showModal({
- title: '提示',
- content: '需要您授权保存相册',
- showCancel: false,
- success() {
- wx.openSetting({
- success(settingdata) {
- console.log("settingdata", settingdata)
- if (settingdata.authSetting['scope.writePhotosAlbum']) {
- wx.showModal({
- title: '提示',
- content: '获取权限成功,再次点击图片即可保存',
- showCancel: false,
- })
- } else {
- wx.showModal({
- title: '提示',
- content: '获取权限失败,将无法保存到相册哦~',
- showCancel: false,
- })
- }
- },
- fail(failData) {
- console.log("failData", failData)
- },
- complete(finishData) {
- console.log("finishData", finishData)
- }
- })
- }
- })
- }
- },
- complete(res) {
- wx.hideLoading()
- }
- })
- }
- })
- },
- })
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