Update docs against 15616

Signed-off-by: wusongqing<wusongqing@huawei.com>

en/application-dev/reference/apis/js-apis-app-form-formExtensionAbility.md

 # @ohos.app.form.FormExtensionAbility (FormExtensionAbility)
 
-The **FormExtensionAbility** module provides APIs related to FormExtensionAbilities.
+The **FormExtensionAbility** module provides lifecycle callbacks invoked when a widget is created, destroyed, or updated.
 
 > **NOTE**
 >
@@ -19,7 +19,7 @@ import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
 
 | Name   | Type                                                        | Readable| Writable| Description                                                        |
 | ------- | ------------------------------------------------------------ | ---- | ---- | ------------------------------------------------------------ |
-| context | [FormExtensionContext](js-apis-inner-application-formExtensionContext.md) | Yes  | No  | Context of the FormExtensionAbility. This context is inherited from **ExtensionContext**.|
+| context | [FormExtensionContext](js-apis-inner-application-formExtensionContext.md) | Yes  | No  | Context of the FormExtensionAbility. This context is inherited from [ExtensionContext](js-apis-inner-application-extensionContext.md).|
 
 ## onAddForm
 
@@ -33,7 +33,7 @@ Called to notify the widget provider that a **Form** instance (widget) has been
 
 | Name| Type                                  | Mandatory| Description                                                        |
 | ------ | -------------------------------------- | ---- | ------------------------------------------------------------ |
-| want   | [Want](js-apis-application-want.md) | Yes  | Want information related to the ExtensionAbility, including the widget ID, name, and style. The information must be managed as persistent data to facilitate subsequent widget update and deletion.|
+| want   | [Want](js-apis-application-want.md) | Yes  | Want information related to the FormExtensionAbility, including the widget ID, name, and style. The information must be managed as persistent data to facilitate subsequent widget update and deletion.|
 
 **Return value**
 
@@ -45,17 +45,19 @@ Called to notify the widget provider that a **Form** instance (widget) has been
 
 ```ts
 import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
+import formBindingData from '@ohos.app.form.formBindingData';
+
 export default class MyFormExtensionAbility extends FormExtensionAbility {
   onAddForm(want) {
-    console.log('FormExtensionAbility onAddForm, want:' + want.abilityName);
+    console.log('FormExtensionAbility onAddForm, want: ${want.abilityName}');
     let dataObj1 = {
-      temperature:'11c',
-      'time':'11:00'
+      temperature: '11c',
+      'time': '11:00'
     };
     let obj1 = formBindingData.createFormBindingData(dataObj1);
     return obj1;
   }
-}
+};
 ```
 
 ## onCastToNormalForm
@@ -75,18 +77,20 @@ Called to notify the widget provider that a temporary widget has been converted
 **Example**
 
 ```ts
+import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
+
 export default class MyFormExtensionAbility extends FormExtensionAbility {
   onCastToNormalForm(formId) {
-    console.log('FormExtensionAbility onCastToNormalForm, formId:' + formId);
+    console.log('FormExtensionAbility onCastToNormalForm, formId: ${formId}');
   }
-}
+};
 ```
 
 ## onUpdateForm
 
 onUpdateForm(formId: string): void
 
-Called to notify the widget provider that a widget has been updated. After obtaining the latest data, your application should call **updateForm** of [FormExtensionContext](js-apis-inner-application-formExtensionContext.md) to update the widget data.
+Called to notify the widget provider that a widget has been updated. After obtaining the latest data, your application should call [updateForm](js-apis-app-form-formProvider.md#updateform) of **formProvider** to update the widget data.
 
 **System capability**: SystemCapability.Ability.Form
 
@@ -99,17 +103,24 @@ Called to notify the widget provider that a widget has been updated. After obtai
 **Example**
 
 ```ts
+import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
 import formBindingData from '@ohos.app.form.formBindingData';
+import formProvider from '@ohos.app.form.formProvider';
+
 export default class MyFormExtensionAbility extends FormExtensionAbility {
   onUpdateForm(formId) {
-    console.log('FormExtensionAbility onUpdateForm, formId:' + formId);
-    let obj2 = formBindingData.createFormBindingData({temperature:'22c', time:'22:00'});
-    this.context.updateForm(formId, obj2).then((data)=>{
-      console.log('FormExtensionAbility context updateForm, data:' + data);
+    console.log('FormExtensionAbility onUpdateForm, formId: ${formId}');
+    let obj2 = formBindingData.createFormBindingData({
+      temperature: '22c',
+      time: '22:00'
+    });
+    formProvider.updateForm(formId, obj2).then((data) => {
+      console.log('FormExtensionAbility context updateForm, data: ${data}');
     }).catch((error) => {
-      console.error('Operation updateForm failed. Cause: ' + error);});
-    }
-}
+      console.error('Operation updateForm failed. Cause: ${error}');
+    });
+  }
+};
 ```
 
 ## onChangeFormVisibility
@@ -129,21 +140,28 @@ Called to notify the widget provider of the change of visibility.
 **Example**
 
 ```ts
+import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
 import formBindingData from '@ohos.app.form.formBindingData';
+import formProvider from '@ohos.app.form.formProvider';
+
 export default class MyFormExtensionAbility extends FormExtensionAbility {
   onChangeFormVisibility(newStatus) {
-  console.log('FormExtensionAbility onChangeFormVisibility, newStatus:' + newStatus);
-  let obj2 = formBindingData.createFormBindingData({temperature:'22c', time:'22:00'});
-
-  for (let key in newStatus) {
-    console.log('FormExtensionAbility onChangeFormVisibility, key:' + key + ', value=' + newStatus[key]);
-    this.context.updateForm(key, obj2).then((data)=>{
-        console.log('FormExtensionAbility context updateForm, data:' + data);
-    }).catch((error) => {
-        console.error('Operation updateForm failed. Cause: ' + error);});
+    console.log('FormExtensionAbility onChangeFormVisibility, newStatus: ${newStatus}');
+    let obj2 = formBindingData.createFormBindingData({
+      temperature: '22c',
+      time: '22:00'
+    });
+
+    for (let key in newStatus) {
+      console.log('FormExtensionAbility onChangeFormVisibility, key: ${key}, value= ${newStatus[key]}');
+      formProvider.updateForm(key, obj2).then((data) => {
+        console.log('FormExtensionAbility context updateForm, data: ${data}');
+      }).catch((error) => {
+        console.error('Operation updateForm failed. Cause: ${error}');
+      });
     }
   }
-}
+};
 ```
 
 ## onFormEvent
@@ -164,11 +182,13 @@ Called to instruct the widget provider to receive and process the widget event.
 **Example**
 
 ```ts
-export default class MyFormExtension extends FormExtensionAbility {
+import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
+
+export default class MyFormExtensionAbility extends FormExtensionAbility {
   onFormEvent(formId, message) {
-    console.log('FormExtensionAbility onFormEvent, formId:' + formId + ', message:' + message);
+    console.log('FormExtensionAbility onFormEvent, formId: ${formId}, message: ${message}');
   }
-}
+};
 ```
 
 ## onRemoveForm
@@ -188,11 +208,13 @@ Called to notify the widget provider that a **Form** instance (widget) has been
 **Example**
 
 ```ts
+import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
+
 export default class MyFormExtensionAbility extends FormExtensionAbility {
   onRemoveForm(formId) {
-    console.log('FormExtensionAbility onRemoveForm, formId:' + formId);
+    console.log('FormExtensionAbility onRemoveForm, formId: ${formId}');
   }
-}
+};
 ```
 
 ## onConfigurationUpdate
@@ -212,11 +234,13 @@ Called when the configuration of the environment where the ability is running is
 **Example**
 
 ```ts
-class MyFormExtensionAbility extends FormExtensionAbility {
+import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
+
+export default class MyFormExtensionAbility extends FormExtensionAbility {
   onConfigurationUpdate(config) {
-    console.log('onConfigurationUpdate, config:' + JSON.stringify(config));
+    console.log('onConfigurationUpdate, config: ${JSON.stringify(config)}');
   }
-}
+};
 ```
 
 ## onAcquireFormState
@@ -236,13 +260,15 @@ Called when the widget provider receives the status query result of a widget. By
 **Example**
 
 ```ts
+import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
 import formInfo from '@ohos.app.form.formInfo';
-class MyFormExtensionAbility extends FormExtensionAbility {
+
+export default class MyFormExtensionAbility extends FormExtensionAbility {
   onAcquireFormState(want) {
-    console.log('FormExtensionAbility onAcquireFormState, want:' + want);
+    console.log('FormExtensionAbility onAcquireFormState, want: ${want}');
     return formInfo.FormState.UNKNOWN;
   }
-}
+};
 ```
 
 ## onShareForm
@@ -270,14 +296,16 @@ Called by the widget provider to receive shared widget data.
 **Example**
 
 ```ts
-class MyFormExtensionAbility extends FormExtensionAbility {
+import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
+
+export default class MyFormExtensionAbility extends FormExtensionAbility {
   onShareForm(formId) {
-    console.log('FormExtensionAbility onShareForm, formId:' + formId);
+    console.log('FormExtensionAbility onShareForm, formId: ${formId}');
     let wantParams = {
-      'temperature':'20',
-      'time':'2022-8-8 09:59',
+      'temperature': '20',
+      'time': '2022-8-8 09:59',
     };
     return wantParams;
   }
-}
+};
 ```