使用URLConnection获取页面内容时对有302等跳转的处理

private static URLConnection reload(URLConnection uc) throws Exception {        HttpURLConnection huc = (HttpURLConnection) uc;                if (huc.getResponseCode() == HttpURLConnection.HTTP_MOVED_TEMP         || huc.getResponseCode() == HttpURLConnection.HTTP_MOVED_PERM)// 302, 301        return reload(new URL(huc.getHeaderField("location")).openConnection());                return uc;}

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运用：获取页面内容时，对于http跳https，以及多层跳转，需要做此类处理。

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