1..wxml
spanbindtap="handleDownload"data-link="{{video}}"下载视频/spanvideostyle="margin:0auto;"src="{{video}}"/video2..js
handleDownload(e){letlink=e.currentTarget.dataset.link;letfileName=newDate().valueOf();wx.downloadFile({url:link,filePath:wx.env.USER_DATA_PATH+'/'+fileName+'.mp4',success:res={console.log(res);letfilePath=res.filePath;wx.saveVideoToPhotosAlbum({filePath,success:file={$Message({content:'下载成功',type:'success'})letfileMgr=wx.getFileSystemManager();fileMgr.unlink({filePath:wx.env.USER_DATA_PATH+'/'+fileName+'.mp4',success:function(r){},})},fail:err={console.log(err)if(err.errMsg==='saveVideoToPhotosAlbum:failauthdeny'){wx.showModal({title:'提示',content:'需要您授权保存相册',showCancel:false,success:data={wx.openSetting({success(settingdata){if(settingdata.authSetting['scope.writePhotosAlbum']){wx.showModal({title:'提示',content:'获取权限成功,再次点击下载即可保存',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,})}},})}})}}})}})},3.有什么问题欢迎评论留言，我会及时回复你的
