step2 点击按钮两个hml页面相互跳转

entry/src/main/config.json

 {
-	"app":{
-		"bundleName":"com.example.huxi",
-		"vendor":"example",
-		"version":{
-			"code":1,
-			"name":"1.0"
+  "app": {
+    "bundleName": "com.example.huxi",
+    "vendor": "example",
+    "version": {
+      "code": 1,
+      "name": "1.0"
     },
-		"apiVersion":{
-			"compatible":3,
-			"target":3
+    "apiVersion": {
+      "compatible": 3,
+      "target": 3
     }
   },
-	"deviceConfig":{},
-	"module":{
-		"deviceType":[
+  "deviceConfig": {},
+  "module": {
+    "deviceType": [
       "liteWearable"
     ],
-		"distro":{
-			"deliveryWithInstall":true,
-			"moduleName":"entry",
-			"moduleType":"entry"
+    "distro": {
+      "deliveryWithInstall": true,
+      "moduleName": "entry",
+      "moduleType": "entry"
     },
-		"abilities":[
+    "abilities": [
       {
-				"name":"default",
-				"icon":"$media:icon",
-				"label":"Huxi",
-				"type":"page"
+        "name": "default",
+        "icon": "$media:icon",
+        "label": "Huxi",
+        "type": "page"
       }
     ],
-		"js":[
+    "js": [
       {
-				"pages":[
-					"pages/index/index"
+        "pages": [
+          "pages/index/index",
+          "pages/xunlian/xunlian"
         ],
-				"name":"default"
+        "name": "default"
       }
     ]
   }

entry/src/main/js/default/pages/index/index.js

+import router from '@system.router';
+
 export default {
   data: {
     title: 'World'
   },
   clickAction() {
-    console.log("我被点击了")
+    router.replace({
+      uri:"pages/xunlian/xunlian"
+    })
   }
 }

entry/src/main/js/default/pages/xunlian/xunlian.css

+.container {
+    flex-direction: column;
+    justify-content: center;
+    align-items: center;
+    width: 454px;
+    height: 454px;
+}
+.title {
+    font-size: 30px;
+    text-align: center;
+    width: 200px;
+    height: 100px;
+}
+.btn {
+    width:200px;
+    height:50px;
+
+}

entry/src/main/js/default/pages/xunlian/xunlian.hml

+<div class="container">
+    <text class="title">
+        训练页面
+    </text>
+    <input type="button" value="返回" class="btn" onclick="clickAction"></input>
+</div>

entry/src/main/js/default/pages/xunlian/xunlian.js

+import router from '@system.router'
+
+export default {
+    data: {
+    },
+    clickAction() {
+        router.replace({
+            uri:'pages/index/index' // 所有页面的uri都需要在config.json中定义
+        });
+    }
+}