//通過OkHttpClient加載html的方式先判斷網頁是否能走通class WebViewStatusRequester extends AsyncTask<String, String, Integer> {  String url;  @Override  protected void onPreExecute() {    super.onPreExecute();  }  @Override  protected void onPostExecute(Integer result) {    super.onPostExecute(result);    result = 0;    Log.e(TAG, "onPostExecute: result="+result +";url="+url);    if(result == 1) {      m_commonIssueWebview.loadUrl(url);    } else if(result == 0) {      getCacheHtmlStrategy();    }  }  @Override  protected Integer doInBackground(String... params) {    url = params[0];    try {      OkHttpClient client = new OkHttpClient();      Request request = new Request.Builder().url(url).build();      Response response = client.newCall(request).execute();      //緩存到本地文件      FileUtil.writeFile(PathConfig.getQAHtmlCachePath(getActivity()),response.body().string());      if(response.isSuccessful()) {        return 1;      } else {        Log.i("TAG", "fail code:" + response.code());        return 0;      }    } catch (IOException e) {      e.printStackTrace();    }    return 0;  }}