uniapp长按实现图片保存

uniapp长按实现图片保存

html部分代码：

<image src='/files/bxshdt_1.jpg' class="tui-activity-img" mode="widthFix" @longtap="savePosterPath(url)"></image>

js端代码

savePosterPath(url) {uni.downloadFile({url,success: (resFile) => {console.log(resFile, "resFile");if (resFile.statusCode === 200) {Setting({success: (res) => {if (!res.authSetting["scope.writePhotosAlbum"]) {uni.authorize({scope: "scope.writePhotosAlbum",success: () => {uni.saveImageToPhotosAlbum({filePath: pFilePath,success: (res) => {return uni.showToast({title: "保存成功！",});},fail: (res) => {return uni.showToast({title: Msg,});},complete: (res) => {},});},fail: () => {uni.showModal({title: "您已拒绝获取相册权限",content: "是否进入权限管理，调整授权？",success: (res) => {if (firm) {uni.openSetting({success: (res) => {console.log(res.authSetting);},});} else if (res.cancel) {return uni.showToast({title: "已取消！",});}},});},});} else {uni.saveImageToPhotosAlbum({filePath: pFilePath,success: (res) => {return uni.showToast({title: "保存成功！",});},fail: (res) => {return uni.showToast({title: Msg,});},complete: (res) => {},});}},fail: (res) => {},});} else {return uni.showToast({title: Msg,});}},fail: (res) => {return uni.showToast({title: Msg,});},});},