add concurrent(worker and taskpool) doc

Signed-off-by: Nwangzhaoyong <wangzhaoyong@huawei.com>
Change-Id: I5d1209a395fb05991ff47cfa8b508e37b8e809d2

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

@@ -64,6 +64,7 @@ function func(args) {
     console.log("func: " + args);
     return args;
 }
+
 let task = new taskpool.Task(func, "this is my first Task");
 ```
 
@@ -116,7 +117,12 @@ function func(args) {
     return args;
 }
 
-let value = taskpool.execute(func, 100);
+async function taskpoolTest() {
+  let value = await taskpool.execute(func, 100);
+  console.log("taskpool result: " + value);
+}
+
+taskpoolTest();
 ```
 
 ## taskpool.execute
@@ -158,8 +164,14 @@ function func(args) {
     console.log("func: " + args);
     return args;
 }
-let task = new taskpool.Task(func, "this is my first Task");
-let value = taskpool.execute(task);
+
+async function taskpoolTest() {
+  let task = new taskpool.Task(func, 100);
+  let value = await taskpool.execute(task);
+  console.log("taskpool result: " + value);
+}
+
+taskpoolTest();
 ```
 
 ## taskpool.cancel
@@ -193,9 +205,14 @@ function func(args) {
     console.log("func: " + args);
     return args;
 }
-let task = new taskpool.Task(func, "this is first Task");
-let value = taskpool.execute(task);
-taskpool.cancel(task);
+
+async function taskpoolTest() {
+  let task = new taskpool.Task(func, 100);
+  let value = await taskpool.execute(task);
+  taskpool.cancel(task);
+}
+
+taskpoolTest();
 ```
 
 ## 其他说明
@@ -214,10 +231,18 @@ function func(args) {
     return args;
 }
 
-let task = new taskpool.Task(func, "create task, then execute");
-let val1 = taskpool.execute(task);
+async function taskpoolTest() {
+  // taskpool.execute(task)
+  let task = new taskpool.Task(func, "create task, then execute");
+  let val1 = await taskpool.execute(task);
+  console.log("taskpool.execute(task) result: " + val1);
 
-let val2 = taskpool.execute(func, "execute task by func");
+  // taskpool.execute(function)
+  let val2 = await taskpool.execute(func, "execute task by func");
+  console.log("taskpool.execute(function) result: " + val2);
+}
+
+taskpoolTest();
 ```
 
 ```js
@@ -226,7 +251,7 @@ let val2 = taskpool.execute(func, "execute task by func");
 // b.ts
 export var c = 2000;
 
-// a.ts
+// a.ts(与b.ts同目录)
 import { c } from './b'
 
 function test(a) {
@@ -236,8 +261,16 @@ function test(a) {
     return a;
 }
 
-let task = new taskpool.Task(test, "create task, then execute");
-let val1 = taskpool.execute(task);
+async function taskpoolTest() {
+  // taskpool.execute(task)
+  let task = new taskpool.Task(test, "create task, then execute");
+  let val1 = await taskpool.execute(task);
+  console.log("taskpool.execute(task) result: " + val1);
+
+  // taskpool.execute(function)
+  let val2 = await taskpool.execute(test, "execute task by func");
+  console.log("taskpool.execute(function) result: " + val2);
+}
 
-let val2 = taskpool.execute(test, "execute task by func");
+taskpoolTest();
 ```
\ No newline at end of file

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

@@ -81,19 +81,19 @@ ThreadWorker构造函数。
 import worker from '@ohos.worker';
 // worker线程创建
 
-// FA模型-目录同级
+// FA模型-目录同级（entry模块下，workers目录与pages目录同级）
 const workerFAModel01 = new worker.ThreadWorker("workers/worker.js", {name:"first worker in FA model"});
-// FA模型-目录不同级（以workers目录放置pages目录前一级为例）
+// FA模型-目录不同级（entry模块下，workers目录与pages目录的父目录同级）
 const workerFAModel02 = new worker.ThreadWorker("../workers/worker.js");
 
-// Stage模型-目录同级
+// Stage模型-目录同级（entry模块下，workers目录与pages目录同级）
 const workerStageModel01 = new worker.ThreadWorker('entry/ets/workers/worker.ts', {name:"first worker in Stage model"});
-// Stage模型-目录不同级（以workers目录放置pages目录后一级为例）
+// Stage模型-目录不同级（entry模块下，workers目录是pages目录的子目录）
 const workerStageModel02 = new worker.ThreadWorker('entry/ets/pages/workers/worker.ts');
 
 // 理解Stage模型scriptURL的"entry/ets/workers/worker.ts"：
-// entry: 为module.json5文件中module的name属性对应的值；
-// ets: 表明当前使用的语言。
+// entry: 为module.json5文件中module的name属性对应的值，ets: 表明当前使用的语言。
+// scriptURL与worker文件所在的workers目录层级有关，与new worker所在文件无关。
 ```
 
 同时，需在工程的模块级build-profile.json5文件的buildOption属性中添加配置信息，主要分为下面两种情况：
@@ -585,6 +585,15 @@ dispatchEvent(event: Event): boolean
 
 ```js
 const workerInstance = new worker.ThreadWorker("workers/worker.js");
+
+workerInstance.dispatchEvent({type:"eventType", timeStamp:0}); //timeStamp暂未支持。
+```
+
+分发事件（dispatchEvent）可与监听接口（on、once、addEventListener）搭配使用，示例如下：
+
+```js
+const workerInstance = new worker.ThreadWorker("workers/worker.js");
+
 //用法一:
 workerInstance.on("alert_on", (e)=>{
     console.log("alert listener callback");
@@ -751,6 +760,15 @@ dispatchEvent(event: Event): boolean
 
 ```js
 const workerInstance = new worker.ThreadWorker("workers/worker.js");
+
+workerInstance.dispatchEvent({type:"eventType", timeStamp:0}); //timeStamp暂未支持。
+```
+
+分发事件（dispatchEvent）可与监听接口（on、once、addEventListener）搭配使用，示例如下：
+
+```js
+const workerInstance = new worker.ThreadWorker("workers/worker.js");
+
 //用法一:
 workerInstance.on("alert_on", (e)=>{
     console.log("alert listener callback");
@@ -1593,6 +1611,14 @@ dispatchEvent(event: Event): boolean
 ```js
 const workerInstance = new worker.Worker("workers/worker.js");
 
+workerInstance.dispatchEvent({type:"eventType", timeStamp:0}); //timeStamp暂未支持。
+```
+
+分发事件（dispatchEvent）可与监听接口（on、once、addEventListener）搭配使用，示例如下：
+
+```js
+const workerInstance = new worker.Worker("workers/worker.js");
+
 //用法一:
 workerInstance.on("alert_on", (e)=>{
     console.log("alert listener callback");