5 
public class UrlVarificationTask extends AsyncTask<Void, Void, Integer> {

    private String url;
    private UrlVarificationDelegate delegate;
    private HttpURLConnection huc;

    public UrlVarificationTask(String url, UrlVarificationDelegate delegate) {
        this.url = url;
        this.delegate = delegate;
    }

    @Override
    protected void onPreExecute() {

        super.onPreExecute();
    }

    @Override
    protected Integer doInBackground(Void... params) {
        int responseCode = 0;
        try {
            System.setProperty("http.keepAlive", "false");
            URL u = new URL(url);
            huc = (HttpURLConnection) u.openConnection();
            huc.setRequestMethod("HEAD");
            huc.connect();
            responseCode = huc.getResponseCode();

        } catch (MalformedURLException mal) {
            responseCode = -555;
        } catch (IOException io) {
            responseCode = -444;
        } catch (Exception ex) {
            responseCode = -333;
            ex.printStackTrace();
        }

        if (huc != null) {
            try {
                huc.getInputStream().close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            huc.disconnect();
        }

        Logger.debug("Response Code==" + responseCode);
        return responseCode;
    }

    @Override
    protected void onPostExecute(Integer responseCode) {
        delegate.urlVarificationResponseCode(responseCode);
        super.onPostExecute(responseCode);
    }

}

我用上面的 dode 来验证 url，

如果 HEAD 给我响应代码 200，那么只有我打开 webview 的 url。

但是一旦我称之为它保持连接并且即使在关闭之后也不允许任何其他http请求，该怎么办？

安全使用 HttpURLConnection

4

2 回答 2

4 
huc.setRequestProperty("keep-alive", "false");

这是因为 HttpURLConnection 保持连接处于活动状态，因此我们无法发出进一步的请求，因此将 keep-alive 设置设置为 false 可以解决此问题。

于 2012-11-20T11:03:47.270 回答
1

为了正确关闭HttpURLConnection转到链接

通过这个 URL 被关闭。

于 2012-11-23T07:50:36.990 回答