fixed b203e63c from https://gitee.com/wkljy/docs/pulls/17346

file
Signed-off-by: Nwangkailong <wangkailong6@huawei.com>
Change-Id: I0642f29a5a9d6d92aac5f415c011739483fe2d8e

zh-cn/application-dev/reference/apis/js-apis-app-form-formBindingData.md

@@ -48,20 +48,17 @@ createFormBindingData(obj?: Object | string): FormBindingData
 **示例：**
 
 ```ts
-import featureAbility from '@ohos.ability.featureAbility';
-import fileio from '@ohos.fileio';
-let context=featureAbility.getContext();
-context.getOrCreateLocalDir((err,data)=>{
-  let path=data+'/xxx.jpg';
-  let fd = fileio.openSync(path);
+import formBindingData from '@ohos.app.form.formBindingData';
+import fs from '@ohos.file.fs';
+
+try {
+  let fd = fs.openSync('/path/to/form.png');
   let obj = {
     'temperature': '21°',
-    'formImages': {'image': fd}
+    'formImages': { 'image': fd }
   };
-  try {
-    formBindingData.createFormBindingData(obj);
-  } catch (error) {
-    console.log(`catch err->${JSON.stringify(err)}`);
-  }
-})
+  formBindingData.createFormBindingData(obj);
+} catch (error) {
+  console.error(`catch error, code: ${error.code}, message: ${error.message}`);
+}
 ```
\ No newline at end of file