对，看看直接看官方demo：

https://gitcode.com/HarmonyOS_Samples/run-js-in-web

/*
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { webview } from '@kit.ArkWeb';
import Logger from '../model/Logger';

const TAG: string = '[Index]';

@Entry
@Component
struct Index {
  @State gameLeft: string = 'console.info(\'webgame gameLeft\'); _main.paddle.moveLeft();';
  @State gameRight: string = 'console.info(\'webgame gameRight\'); _main.paddle.moveRight();';
  @State gameStart: string =
    'console.info(\'webgame gameStart\'); if (_main.game.state !== _main.game.state_GAMEOVER) {_main.game.state = _main.game.state_RUNNING; _main.ball.fired = true;}';
  @State gameReset: string =
    'console.info(\'webgame gameReset\'); if (_main.game.state === _main.game.state_GAMEOVER) {_main.game.state = _main.game.state_START; _main.start()}';
  @State removeDesc: string =
    'console.info(\'webgame removeDesc\'); y=document.getElementsByTagName(\'div\')[0]; y.parentNode.removeChild(y)';
  private imgRequestUrl: string = 'https://yangyunhe369.github.io/h5-game-blockBreaker/images/background.jpg';
  controller: webview.WebviewController = new webview.WebviewController();
  responseweb: WebResourceResponse = new WebResourceResponse();

  build() {
    Row() {
      Column() {
        Button('Start', { type: ButtonType.Capsule })
          .onClick(() => {
            try {
              this.controller.loadUrl('javascript:' + this.gameStart);
            } catch (error) {
              Logger.info(TAG, `loadUrl gameStart fail: ${JSON.stringify(error)}`);
            }
          })
        Button('L', { type: ButtonType.Capsule })
          .width(50)
          .height(100)
          .backgroundColor(Color.Red)
          .gesture(
            LongPressGesture({ repeat: true, duration: 20 })
              .onAction((event: GestureEvent) => {
                if (event.repeat) {
                  try {
                    this.controller.loadUrl('javascript:' + this.gameLeft);
                  } catch (error) {
                    Logger.info(TAG, `loadUrl gameLeft fail: ${JSON.stringify(error)}`);
                  }
                }
              })
          )
      }
      .width('8%')

      Column() {
        Web({ src: 'https://yangyunhe369.github.io/h5-game-blockBreaker/', controller: this.controller })
          .domStorageAccess(true)
          .onlineImageAccess(true)
          .imageAccess(true)
          .zoomAccess(false)
          .javaScriptAccess(true)
          .backgroundColor(Color.Orange)
          .onInterceptRequest((event) => {
            let url = '';
            if (event) {
              url = event.request.getRequestUrl();
            }
            if (url === this.imgRequestUrl) {
              return this.responseweb;
            }
            return null;
          })
          .onPageEnd(e => {
            try {
              this.controller.loadUrl('javascript:' + this.removeDesc);
            } catch (error) {
              Logger.info(TAG, `loadUrl removeDesc fail: ${JSON.stringify(error)}`);
            }
          })
      }
      .width('78%')

      Column() {
        Button('Reset', { type: ButtonType.Capsule })
          .onClick(() => {
            try {
              this.controller.loadUrl('javascript:' + this.gameReset);
            } catch (error) {
              Logger.info(TAG, `loadUrl gameReset fail: ${JSON.stringify(error)}`);
            }
          })
        Button('R', { type: ButtonType.Capsule })
          .width(50)
          .height(100)
          .backgroundColor(Color.Red)
          .gesture(
            LongPressGesture({ repeat: true, duration: 20 })
              .onAction((event: GestureEvent) => {
                if (event.repeat) {
                  try {
                    this.controller.loadUrl('javascript:' + this.gameRight);
                  } catch (error) {
                    Logger.info(TAG, `loadUrl gameRight fail: ${JSON.stringify(error)}`);
                  }
                }
              })
          )
      }
      .width('8%')
    }
    .margin({ left: 36 })
  }
}

是的，通过Web组件关联的WebviewController，你可以控制页面前进、后退、刷新、停止加载等导航操作。还能执行JavaScript代码（如runJavaScript），注册回调接收页面消息。此外，支持页面缩放控制（zoom、zoomIn、zoomOut），以及清除缓存和历史记录等。它也用于监听页面加载状态、标题、进度等事件。