/**
* 保存到相冊
*/
downShareImgFun : function () {
let that = this;
//獲取相冊授權
wx.getSetting({
success(res) {
if (!res.authSetting['scope.writePhotosAlbum']) {
wx.authorize({
scope:'scope.writePhotosAlbum',
success() {
console.log('授權成功')
}
});
}
}
});
wx.downloadFile({
url: that.data.shareImage,
success: function (res) {
console.log(res);
//圖片保存到本地
wx.saveImageToPhotosAlbum({
filePath: res.tempFilePath,
success: function (data) {
wx.showToast({
title: '保存成功',
icon: 'success',
duration: 2000
});
},
fail: function (err) {
console.log(err);
if (err.errMsg === "saveImageToPhotosAlbum:fail auth deny") {
console.log("當初用戶拒絕,再次發起授權")
wx.openSetting({
success(settingdata) {
console.log(settingdata)
if (settingdata.authSetting['scope.writePhotosAlbum']) {
console.log('獲取權限成功,給出再次點擊圖片保存到相冊的提示。')
} else {
console.log('獲取權限失敗,給出不給權限就無法正常使用的提示')
}
}
})
}
},
complete(res){
console.log(res);
}
});
}
});
},
參考地址: