!4957 onNewWant相关的资料修改

Merge pull request !4957 from 张亚菲/zyf

zh-cn/application-dev/ability/stage-ability.md

@@ -50,7 +50,7 @@ Ability功能如下（Ability类，具体的API详见[接口文档](../reference
 |onWindowStageDestroy(): void|Ability生命周期回调，销毁window stage时被调用。|
 |onForeground(): void|Ability生命周期回调，Ability切换至前台时被调用。|
 |onBackground(): void|Ability生命周期回调，Ability切换至后台时被调用。|
-|onNewWant(want: Want): void|Ability回调，Ability的启动模式设置为单例时被调用。|
+|onNewWant(want: Want, launchParams: AbilityConstant.LaunchParam): void|Ability回调，Ability的启动模式设置为单例时被调用。|
 |onConfigurationUpdated(config: Configuration): void|Ability回调，Ability的系统配置更新时被调用。|
 ### 实现AbilityStage及Ability生命周期
 创建Stage模型的Page Ability应用，需实现AbilityStage接口及Ability生命周期接口，并使用窗口提供的方法设置页面。具体示例代码如下：
@@ -292,7 +292,7 @@ async function reStartAbility() {
 import Ability from '@ohos.application.Ability'
 
 export default class MainAbility extends Ability {
-  onNewWant(want) {
+  onNewWant(want, launchParams) {
     globalThis.newWant = want
   }
 }

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

@@ -210,7 +210,7 @@ onContinue(wantParam : {[key: string]: any}): AbilityConstant.OnContinueResult;
 
 ## Ability.onNewWant
 
-onNewWant(want: Want): void;
+onNewWant(want: Want, launchParams: AbilityConstant.LaunchParam): void;
 
 当ability的启动模式设置为单例时回调会被调用。
 
@@ -221,13 +221,17 @@ onNewWant(want: Want): void;
   | 参数名 | 类型 | 必填 | 说明 | 
   | -------- | -------- | -------- | -------- |
   | want | [Want](js-apis-application-Want.md) | 是 | Want类型参数，如ability名称，包名等。 | 
+  | launchParams | AbilityConstant.LaunchParam | 是 | Ability启动的原因、上次异常退出的原因信息。 |
 
 **示例：**
     
   ```js
   class myAbility extends Ability {
-      onNewWant(want) {
+      onNewWant(want, launchParams) {
           console.log('onNewWant, want:' + want.abilityName);
+          if (launchParams.launchReason === AbilityConstant.LaunchReason.CONTINUATION) {
+              console.log('onNewWant, launchReason is continuation');
+          }
       }
   }
   ```