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/** * post 方式 解码 */ public static String getWebContentByPost(String urlString, String data, final String charset, int timeout) throws IOException { if (urlString == null || urlString.length() == 0) { return null; } urlString = (urlString.startsWith("http://") || urlString.startsWith("https://")) ? urlString : ("http://" + urlString).intern(); URL url = new URL(urlString); System.out.println("url=="+url); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); // 设置是否向connection输出，因为这个是post请求，参数要放在 http正文内，因此需要设为true connection.setDoOutput(true); connection.setDoInput(true); connection.setRequestMethod("POST"); // Post 请求不能使用缓存 connection.setUseCaches(false); connection.setInstanceFollowRedirects(true); connection.setRequestProperty("Content-Type","application/x-www-form-urlencoded;charset="+charset+""); // 增加报头，模拟浏览器，防止屏蔽 connection.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows vista)"); // 只接受text/html类型，当然也可以接受图片,pdf,*/*任意 connection.setRequestProperty("Accept", "*/*");// text/html connection.setConnectTimeout(timeout); connection.connect(); DataOutputStream out = new DataOutputStream(connection .getOutputStream()); byte[] content = data.getBytes(charset);// +URLEncoder.encode("中文 ", out.write(content); out.flush(); out.close(); try { // 必须写在发送数据的后面 if (connection.getResponseCode() != HttpURLConnection.HTTP_OK) { return null; } } catch (IOException e) { e.printStackTrace(); return null; } BufferedReader reader = new BufferedReader(new InputStreamReader( connection.getInputStream(), charset)); String line; StringBuffer sb = new StringBuffer(); while ((line = reader.readLine()) != null) { sb.append(line).append("\r\n"); } if (reader != null) { reader.close(); } if (connection != null) { connection.disconnect(); } System.out.println(sb.toString()); return URLDecoder.decode(sb.toString(), "utf-8"); } |
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public static String getUndecodeByPost(String urlString, String data, final String charset, int timeout) throws IOException { if (urlString == null || urlString.length() == 0) { return null; } urlString = (urlString.startsWith("http://") || urlString.startsWith("https://")) ? urlString : ("http://" + urlString).intern(); URL url = new URL(urlString); System.out.println("url=="+url); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); // 设置是否向connection输出，因为这个是post请求，参数要放在 http正文内，因此需要设为true connection.setDoOutput(true); connection.setDoInput(true); connection.setRequestMethod("POST"); // Post 请求不能使用缓存 connection.setUseCaches(false); connection.setInstanceFollowRedirects(true); connection.setRequestProperty("Content-Type","application/x-www-form-urlencoded;charset="+charset+""); // 增加报头，模拟浏览器，防止屏蔽 connection.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows vista)"); // 只接受text/html类型，当然也可以接受图片,pdf,*/*任意 connection.setRequestProperty("Accept", "*/*");// text/html connection.setRequestProperty("Content-Length", "*/*");// text/html
connection.setConnectTimeout(timeout); connection.connect(); DataOutputStream out = new DataOutputStream(connection .getOutputStream()); byte[] content = data.getBytes(charset);// +URLEncoder.encode("中文 ", out.write(content); out.flush(); out.close(); try { // 必须写在发送数据的后面 if (connection.getResponseCode() != HttpURLConnection.HTTP_OK) { return null; } } catch (IOException e) { e.printStackTrace(); return null; } BufferedReader reader = new BufferedReader(new InputStreamReader( connection.getInputStream(), charset)); String line; StringBuffer sb = new StringBuffer(); while ((line = reader.readLine()) != null) { sb.append(line).append("\r\n"); } if (reader != null) { reader.close(); } if (connection != null) { connection.disconnect(); } return sb.toString(); } |