!16805 修复fileio

Merge pull request !16805 from jerry/master

zh-cn/application-dev/application-models/create-pageability.md

@@ -76,22 +76,22 @@ FA模型中，可以通过featureAbility的getContext接口获取应用上下文
 通过getContext获取应用上下文并获取分布式目录的示例如下：
 
 ```ts
-import featureAbility from '@ohos.ability.featureAbility'
-import fileIo from '@ohos.fileio'
+import featureAbility from '@ohos.ability.featureAbility';
+import fs from '@ohos.file.fs';
 
 (async () => {
-  let dir: string
+  let dir: string;
   try {
-    console.info('Begin to getOrCreateDistributedDir')
-    dir = await featureAbility.getContext().getOrCreateDistributedDir()
+    console.info('Begin to getOrCreateDistributedDir');
+    dir = await featureAbility.getContext().getOrCreateDistributedDir();
     console.info('distribute dir is ' + dir)
   } catch (error) {
-    console.error('getOrCreateDistributedDir failed with ' + error)
+    console.error('getOrCreateDistributedDir failed with ' + error);
   }
 
   let fd: number;
   let path = dir + "/a.txt";
-  fd = fileIo.openSync(path, 0o2 | 0o100, 0o666);
-  fileIo.close(fd);
+  fd = fs.openSync(path, fs.OpenMode.READ_WRITE).fd;
+  fs.close(fd);
 })()
 ```

zh-cn/application-dev/reference/apis/js-apis-app-ability-want.md

@@ -130,11 +130,11 @@ import Want from '@ohos.app.ability.Want';
         ```
     * 文件描述符（FD）
         ```ts
-        import fileio from '@ohos.fileio';
+        import fs from '@ohos.file.fs';
         
         let fd;
         try {
-            fd = fileio.openSync('/data/storage/el2/base/haps/pic.png');
+            fd = fs.openSync('/data/storage/el2/base/haps/pic.png').fd;
         } catch(e) {
             console.error('openSync fail: ${JSON.stringify(e)}');
         }

zh-cn/application-dev/reference/apis/js-apis-application-want.md

@@ -108,10 +108,10 @@ import Want from '@ohos.application.Want';
         ```
     * 文件描述符（FD）
         ```ts
-            import fileio from '@ohos.fileio';
+            import fs from '@ohos.file.fs';
             let fd;
             try {
-                fd = fileio.openSync('/data/storage/el2/base/haps/pic.png');
+                fd = fs.openSync('/data/storage/el2/base/haps/pic.png').fd;
             } catch(e) {
                 console.error('openSync fail: ${JSON.stringify(e)}');
             }

zh-cn/application-dev/reference/apis/js-apis-inner-ability-want.md

@@ -41,12 +41,12 @@ Want是对象间信息传递的载体, 可以用于应用组件间的信息传
 - 传递FD(文件描述符)数据(在UIAbility对象中调用，其中示例中的context为UIAbility的上下文对象)
 
   ```ts
-  import fileio from '@ohos.fileio';
+  import fs from '@ohos.file.fs';
   
   // ...
   let fd;
   try {
-      fd = fileio.openSync('/data/storage/el2/base/haps/pic.png');
+      fd = fs.openSync('/data/storage/el2/base/haps/pic.png').fd;
   } catch(e) {
       console.error('openSync fail: ${JSON.stringify(e)}');
   }