diff --git a/zh-cn/application-dev/reference/apis/js-apis-fileAccess.md b/zh-cn/application-dev/reference/apis/js-apis-fileAccess.md index 6e291e2abdd44561aaa2b29288146beb41395586..75d3376f372dcaf914f842ca86d28fc38bd3d3fc 100644 --- a/zh-cn/application-dev/reference/apis/js-apis-fileAccess.md +++ b/zh-cn/application-dev/reference/apis/js-apis-fileAccess.md @@ -70,7 +70,7 @@ createFileAccessHelper(context: Context, wants: Array<Want>) : FileAccessH ```js createFileAccessHelper() { - let fileAccesssHelper = null; + let fileAccessHelper = null; // wantInfos 从getFileAccessAbilityInfo()获取 // 创建只连接媒体库服务的helper对象 let wantInfos = [ @@ -81,8 +81,8 @@ createFileAccessHelper(context: Context, wants: Array<Want>) : FileAccessH ] try { // this.context 是MainAbility 传过来的context - fileAccesssHelper = fileAccess.createFileAccessHelper(this.context, wantInfos); - if (!fileAccesssHelper) + fileAccessHelper = fileAccess.createFileAccessHelper(this.context, wantInfos); + if (!fileAccessHelper) console.error("createFileAccessHelper interface returns an undefined object"); } catch (error) { console.error("createFileAccessHelper failed, error " + error); @@ -154,6 +154,7 @@ getRoots( ) : Promise<RootIterator> let rootinfos = []; let isDone = false; try { + // fileAccessHelper 参考 fileAccess.createFileAccessHelper 示例代码获取 rootIterator = await fileAccessHelper.getRoots(); if (!rootIterator) { console.error("getRoots interface returns an undefined object"); @@ -248,26 +249,26 @@ scanFile(filter?: Filter) : FileIterator **示例：** ```js - // rootinfos 从 getRoots()获取 + // rootInfos 从 getRoots()获取 // let filter = {suffix : [".txt"， ".jpg", ".xlsx"]}; - let rootInfo = rootinfos[0]; + let rootInfo = rootInfos[0]; let fileInfos = []; let isDone = false; try { - let fileIterator = rootInfo.scanFile(); - // 含过滤器实现的scanFile - // let fileIterator = rootInfo.scanFile(filter); - if (!fileIterator) { - console.error("scanFile interface returns undefined object"); - return; - } - while (!isDone) { - let result = fileIterator.next(); - console.log("next result = " + JSON.stringify(result)); - isDone = result.done; - if (!isDone) - fileInfos.push(result.value); - } + let fileIterator = rootInfo.scanFile(); + // 含过滤器实现的scanFile + // let fileIterator = rootInfo.scanFile(filter); + if (!fileIterator) { + console.error("scanFile interface returns undefined object"); + return; + } + while (!isDone) { + let result = fileIterator.next(); + console.log("next result = " + JSON.stringify(result)); + isDone = result.done; + if (!isDone) + fileInfos.push(result.value); + } } catch (error) { console.error("scanFile failed, error " + error); } @@ -364,7 +365,7 @@ scanFile(filter?: Filter) : FileIterator; } while (!isDone) { let result = fileIterator.next(); - console.error("next result = " + JSON.stringify(result)); + console.log("next result = " + JSON.stringify(result)); isDone = result.done; if (!isDone) subfileInfos.push(result.value); @@ -407,6 +408,7 @@ createFile(uri: string, displayName: string) : Promise<string> let displayName = "file1" let fileUri = null; try { + // fileAccessHelper 参考 fileAccess.createFileAccessHelper 示例代码获取 fileUri = await fileAccessHelper.createFile(sourceUri, displayName) if (!fileUri) { console.error("createFile return undefined object"); @@ -451,6 +453,7 @@ mkDir(parentUri: string, displayName: string) : Promise<string> let dirName = "dirTest" let dirUri = null; try { + // fileAccessHelper 参考 fileAccess.createFileAccessHelper 示例代码获取 dirUri = await fileAccessHelper.mkDir(sourceUri, dirName) if (!dirUri) { console.error("mkDir return undefined object"); @@ -483,7 +486,7 @@ openFile(uri: string, flags: OPENFLAGS) : Promise<number> | 类型 | 说明 | | --- | -- | -| Promise<number> | 文件句柄 | +| Promise<number> | 文件句柄 | **示例：** @@ -493,7 +496,8 @@ openFile(uri: string, flags: OPENFLAGS) : Promise<number> // 开发者应根据自己实际获取的uri进行开发 let targetUri = "datashare:///media/file/100"; try { - let fd = await fileAccessHelper.openFile(targetUri, OPENFLAGS.READ); + // fileAccessHelper 参考 fileAccess.createFileAccessHelper 示例代码获取 + let fd = await fileAccessHelper.openFile(targetUri, fileAccess.OPENFLAGS.READ); } catch (error) { console.error("openFile failed, error " + error); }; @@ -529,6 +533,7 @@ delete(uri: string) : Promise<number> // 开发者应根据自己实际获取的uri进行开发 let targetUri = "datashare:///media/file/100"; try { + // fileAccessHelper 参考 fileAccess.createFileAccessHelper 示例代码获取 let code = await fileAccessHelper.delete(targetUri); if (code != 0) console.error("delete failed, code " + code); @@ -569,6 +574,7 @@ move(sourceFile: string, destFile: string) : Promise<string> let sourceFile = "datashare:///media/file/102"; let destFile = "datashare:///media/file/101"; try { + // fileAccessHelper 参考 fileAccess.createFileAccessHelper 示例代码获取 let fileUri = await fileAccessHelper.move(sourceFile, destFile); console.log("move sucess， fileUri: " + JSON.stringify(fileUri)); } catch (error) { @@ -607,6 +613,7 @@ rename(uri: string, displayName: string) : Promise<string> // 开发者应根据自己实际获取的uri进行开发 let sourceDir = "datashare:///media/file/100"; try { + // fileAccessHelper 参考 fileAccess.createFileAccessHelper 示例代码获取 let DestDir = await fileAccessHelper.rename(sourceDir, "testDir"); console.log("rename sucess， DestDir: " + JSON.stringify(DestDir)); } catch (error) { @@ -644,6 +651,7 @@ access(sourceFileUri: string) : Promise<boolean> // 开发者应根据自己实际获取的uri进行开发 let sourceDir = "datashare:///media/file/100"; try { + // fileAccessHelper 参考 fileAccess.createFileAccessHelper 示例代码获取 let existJudgment = await fileAccessHelper.access(sourceDir); if (existJudgment) console.log("sourceDir exists"); diff --git a/zh-cn/application-dev/reference/apis/js-apis-fileExtensionInfo.md b/zh-cn/application-dev/reference/apis/js-apis-fileExtensionInfo.md index 42eea3448b3f1d73aae3a91d5547fe329aef57d1..b8f4a30ab45aaa0fab68d6137498da9f2dc3d7a0 100644 --- a/zh-cn/application-dev/reference/apis/js-apis-fileExtensionInfo.md +++ b/zh-cn/application-dev/reference/apis/js-apis-fileExtensionInfo.md @@ -39,8 +39,8 @@ import fileExtensionInfo from '@ohos.fileExtensionInfo'; | 名称 | 类型 | 可读 | 可写 | 说明 | | ------ | ------ | ---- | ---- | -------- | - | SUPPORTS_READ | number | 是 | 否 | 支持读 | - | SUPPORTS_WRITE | number | 是 | 否 | 支持写 | + | SUPPORTS_READ | number | 是 | 否 | 此设备支持读 | + | SUPPORTS_WRITE | number | 是 | 否 | 此设备支持写 | ## fileExtensionInfo.DocumentFlag @@ -54,5 +54,5 @@ import fileExtensionInfo from '@ohos.fileExtensionInfo'; | ------ | ------ | ---- | ---- | -------- | | REPRESENTS_FILE | number | 是 | 否 | 代表文件 | | REPRESENTS_DIR | number | 是 | 否 | 代表目录 | - | SUPPORTS_READ | number | 是 | 否 | 支持读 | - | SUPPORTS_WRITE | number | 是 | 否 | 支持写 | + | SUPPORTS_READ | number | 是 | 否 | 此文件支持读 | + | SUPPORTS_WRITE | number | 是 | 否 | 此文件支持写 |