HarmonyOS Web组件加载富文本时如何引用本地css和js

新闻类app，新闻详情都是接口返回的富文本样式，app端封装html 数据时，如何引入本地css和js文件。

HarmonyOS

put_get

2024-09-04 10:59:12

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FengTianYa

参考代码：

import webview from '@kit.ArkWeb' 
import business_error from '@kit.BasicServicesKit'; 
import { buffer } from '@kit.ArkTS'; 
@Entry 
@Component 
export struct WebDemo { 
  controller = new webview.WebviewController() 
  @State userAgent:string ="Mozilla/5.0 (Phone; OpenHarmony 5.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 ArkWeb/4.1.6.1 Mobile" 
  htmlContent = '<html><head></head><body>Source:<pre>source</pre></body></html>' 
  aboutToAppear(): void { 
    webview.WebviewController.setWebDebuggingAccess(true); 
    const context = getContext() 
    const style = context.resourceManager.getRawFileContentSync('style.css') 
    this.htmlContent = `<style>${buffer.from(style).toString()}</style>${this.htmlContent}` 
    console.log(`test: ${this.htmlContent}`) 
  } 
  build() { 
    Column() { 
      Button('loadData') 
        .onClick(() => { 
          try { 
            // 点击按钮时，通过loadData，加载HTML格式的文本数据 
            this.controller.loadData( 
              this.htmlContent, 
              "text/html", 
              "UTF-8" 
            ); 
          } catch (error) { 
            let e: business_error.BusinessError = error as business_error.BusinessError; 
            console.error(`ErrorCode: ${e.code}, Message: ${e.message}`); 
          } 
        }) 
      // 组件创建时 
      Web({ src: $rawfile('index.html'), controller: this.controller }) 
    } 
  } 
} 
//这段就是读取rawfile下的style.css文件，然后拼接到html上 
const context = getContext() 
const style = context.resourceManager.getRawFileContentSync('style.css') 
this.htmlContent = `<style>${buffer.from(style).toString()}</style>${this.htmlContent}` 
console.log(`test: ${this.htmlContent}`)