java类访问一个网络URL,获取压缩格式的下载文件
/** *url:访问的网络地址 *paramData：需要提交的参数 *sFilePath:访问网络地址后下载到本地的路径 c:/test.txt * */ public void downLoadFiletoLocal(String sFilePath, String paramData, URL url) {try { URLConnection conn = url.openConnection(); conn.setDoOutput(true); //发送域信息 OutputStreamWriter outwr = new OutputStreamWriter(conn.getOutputStream()); outwr.write(paramData);//这里组织域信息 outwr.flush(); outwr.close(); //获取返回数据 InputStream in = conn.getInputStream(); int n = 0; byte[] buf = new byte; FileOutputStream out = new FileOutputStream(new File(sFilePath)); while ((n = in.read(buf, 0, buf.length)) != -1) { out.write(buf, 0, n); } out.close(); in.close();} catch (IOException e) { e.printStackTrace();} }
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