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| export function downloadImg(url) {
| let that = this
| wx.showLoading({
| title: '下载中...'
| });
| wx.downloadFile({
| url: url, //图片地址
| success: function(res) {
| wx.saveImageToPhotosAlbum({
| filePath: res.tempFilePath, //图片文件路径
| success: function(data) {
| wx.hideLoading(); //隐藏 loading 提示框
| },
| // 接口调用失败的回调函数
| fail: function(err) {
| if (err.errMsg === "saveImageToPhotosAlbum:fail:auth denied" || err
| .errMsg === "saveImageToPhotosAlbum:fail auth deny" || err
| .errMsg === "saveImageToPhotosAlbum:fail authorize no response"
| ) {
| wx.showModal({
| title: '提示',
| content: '需要您授权保存相册',
| modalType: false,
| success: modalSuccess => {
| 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',
| modalType: false,
| })
| } else {
| wx.showModal({
| title: '提示',
| content: '获取权限失败，将无法保存到相册哦~',
| modalType: false,
| })
| }
| },
| fail(failData) {
| console.log("failData",
| failData)
| },
| complete(finishData) {
| console.log("finishData",
| finishData)
| }
| })
| }
| })
| }
| },
| complete(res) {
| wx.hideLoading(); //隐藏 loading 提示框
| }
| })
| }
| })
| }
|
|
