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标题: OpenHarmony 4.0 webview 前端页面调用应用侧函数返回数组，前端页面调用函数，数据为notSupportType, 文档复杂类型使用方法中 Array 的案例 [打印本页]

作者: feynman 时间: 2024-4-28 14:13
标题: OpenHarmony 4.0 webview 前端页面调用应用侧函数返回数组，前端页面调用函数，数据为notSupportType, 文档复杂类型使用方法中 Array 的案例
[md]```ts
// xxx.ets
import web_webview from '@ohos.web.webview';
import business_error from '@ohos.base';

class testClass {
  constructor() {
  }

  test(): Array<Number>{
return [1, 2, 3, 4]
  }

  toString(param:String): void {
console.log('Web Component toString' + param);
  }
}

@Entry
@Component
struct Index {
  webviewController: web_webview.WebviewController = new web_webview.WebviewController();
  @State testObj: testClass = new testClass();

  build() {
Column() {
   Button('refresh')
      .onClick(() => {
      try {
         this.webviewController.refresh();
      } catch (error) {
         let e: business_error.BusinessError = error as business_error.BusinessError;
         console.error(`ErrorCode: ${e.code},  Message: ${e.message}`);
      }
      })
   Button('Register JavaScript To Window')
      .onClick(() => {
      try {
         this.webviewController.registerJavaScriptProxy(this.testObj, "testObjName", ["test", "toString"]);
      } catch (error) {
         let e: business_error.BusinessError = error as business_error.BusinessError;
         console.error(`ErrorCode: ${e.code},  Message: ${e.message}`);
      }
      })
   Web({ src: $rawfile('index.html'), controller: this.webviewController })
}
  }
}

```

```html

<!DOCTYPE html>
<html>
<body>
<button type="button" onclick="callArkTS()">Click Me!</button>
<p id="demo"></p>
<script>
function callArkTS() {
      testObjName.toString(testObjName.test());
}
</script>
</body>
</html>

```
[/md]

作者: s_hao 时间: 2024-5-9 17:02
说下具体问题是啥，遇到了什么问题，及报错日志

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