android通過okhttpClient下載網(wǎng)頁內(nèi)容的實例代碼

//通過OkHttpClient加載html的方式先判斷網(wǎng)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;
  }
}