一个域名权重3如果做网站的话权重会降为0吗,如皋网站制作,装修软件排行榜前十名,临沂网站建设报价上篇文章介绍了HarmonyOS NEXT如何保存base64文件到download目录下#xff0c;本次介绍如何保存base64图片到图库#xff0c;网络图片保存方式大同小异#xff0c;先下载图片#xff0c;然后再保存
phAccessHelper.showAssetsCreationDialog参考官方文档’
ohos.file.pho…上篇文章介绍了HarmonyOS NEXT如何保存base64文件到download目录下本次介绍如何保存base64图片到图库网络图片保存方式大同小异先下载图片然后再保存
phAccessHelper.showAssetsCreationDialog参考官方文档’
ohos.file.photoAccessHelper (相册管理模块)-ArkTS API-Media Library Kit媒体文件管理服务-媒体 - 华为HarmonyOS开发者 (huawei.com)
完整代码如下
//模拟数据param {\dataBase64\:\data:image/png;base64,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\,\fileType\:\png\,\fileName\:\\}if (StringUtils.isStrNotBlank(param)) {const h5CallBackBean: H5CallBackBean | null JSONUtil.jsonToBeanH5CallBackBean(H5CallBackBean, param)
//保存图片let context getContext(this);let phAccessHelper photoAccessHelper.getPhotoAccessHelper(context);const fileBase64 h5CallBackBean.dataBase64if (StringUtils.isStrNotBlank(fileBase64)) {const base64: string fileBase64.split(,)[1]let applicationContext getContext().getApplicationContext()const numTemp: number DateUtil.getTodayTime()let filePath applicationContext.filesDir / numTemp . h5CallBackBean.fileTypeif (UiUtils.saveBase64File(base64, filePath)) {try {// 获取需要保存到媒体库的位于应用沙箱的图片/视频urilet srcFileUris: Arraystring [fileUri.getUriFromPath(filePath)];let photoCreationConfigs: ArrayphotoAccessHelper.PhotoCreationConfig [{fileNameExtension: jpg,photoType: photoAccessHelper.PhotoType.IMAGE,subtype: photoAccessHelper.PhotoSubtype.DEFAULT, // 可选}];let desFileUris: Arraystring await phAccessHelper.showAssetsCreationDialog(srcFileUris, photoCreationConfigs);console.info(showAssetsCreationDialog success, data is desFileUris);if (desFileUris.length 0) {FileUtil.copyFileSync(filePath,new fileUri.FileUri(desFileUris[0]).path)try {console.log(context.fileDir ${context.filesDir})let srcFile: fs.File fs.openSync(fileUri.getUriFromPath(filePath), fs.OpenMode.READ_ONLY);let targetFile: fs.File await fs.open(desFileUris[0], fs.OpenMode.READ_WRITE);let bufSize 14096;let readSize 0;let buf new ArrayBuffer(bufSize);let readOptions: ReadOptions { offset: readSize, length: bufSize };let readLen fs.readSync(srcFile.fd, buf, readOptions);while (readLen 0) {readSize readLen;fs.writeSync(targetFile.fd, buf, { length: readLen });readOptions.offset readSize;readLen fs.readSync(srcFile.fd, buf, readOptions);}fs.closeSync(srcFile);fs.closeSync(targetFile);ToastUtil.showToast(保存成功)if (FileUtil.accessSync(filePath)) {FileUtil.unlink(filePath)}} catch (error) {console.error(createAssetByIo :: error , msg is ${error} );}} else {ToastUtil.showToast(您拒绝了保存图片)}} catch (err) {console.error(showAssetsCreationDialog failed, errCode is err.code , errMsg is err.message);}} else {ToastUtil.showToast(保存失败,请稍后重试)}}}}其中用到的第三方依赖和上篇文章一致
参考HarmonyNext保存Base64文件到Download下-CSDN博客
效果如下 【其它问题】 关于授权窗没显示图片缩略图的问题官方给的答复是下载最新版本的IDE
