HarmonyOS 系统原生能力是否支持PDF预览

import web_webview from '@ohos.web.webview' 
 
@Entry 
@Component 
struct PdfViewPage { 
  controller: web_webview.WebviewController = new web_webview.WebviewController() 
 
  build() { 
    Column() { 
      Web({ src: $rawfile('test.pdf'), controller: this.controller }) 
        .domStorageAccess(true) 
    }.height('100%') 
  } 
}