比如可以將http://zuidaima.com/轉換為http://t.cn/zlsvWVq

如下圖：

原創不易，轉載請注明出處分享sina的短鏈生成java代碼

package com.zuidaima.util; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.OutputStreamWriter; import java.net.HttpURLConnection; import java.net.URL; import java.net.URLEncoder; import java.util.Map; import java.util.LinkedHashMap; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import java.util.regex.Matcher; import java.util.regex.Pattern;public class ShortenUrl {private static final boolean DEBUG = true;public static void main(String[] args) {String url = "http://www.henshiyong.com/tools/sina-shorten-url.php";Map<String, String> params = new LinkedHashMap<String, String>();params.put("url", "http://www.google.com");params.put("submit", "轉換");String data = null;try {data = postUrl(url, params);if (DEBUG) {System.out.println(data);}} catch (IOException ex) {}if (data != null) {String shortUrl = getShortenUrl(data);if (DEBUG) {System.out.println(shortUrl);}}}public static String getShortenUrl(String content) {String url = null;List<String> resultList = getContext(content);for (Iterator<String> iterator = resultList.iterator(); iterator.hasNext();) {url = iterator.next();}return url;}/*** Extract "XXXX" from "<textarea>XXXX</textarea>"* * @param html* @return*/public static List<String> getContext(String html) {List<String> resultList = new ArrayList<String>();Pattern p = Pattern.compile("<textarea>(.*)</textarea>");Matcher m = p.matcher(html);while (m.find()) {resultList.add(m.group(1));}return resultList;}public static class HttpException extends RuntimeException {private int errorCode;private String errorData;public HttpException(int errorCode, String errorData) {super("HTTP Code " + errorCode + " : " + errorData);this.errorCode = errorCode;this.errorData = errorData;}public int getErrorCode() {return errorCode;}public String getErrorData() {return errorData;}}public static String postUrl(String url, Map<String, String> params)throws IOException {String data = "";for (String key : params.keySet()) {data += "&" + URLEncoder.encode(key, "UTF-8") + "="+ URLEncoder.encode(params.get(key), "UTF-8");}data = data.substring(1);// System.out.println(data);URL aURL = new java.net.URL(url);HttpURLConnection aConnection = (java.net.HttpURLConnection) aURL.openConnection();try {aConnection.setDoOutput(true);aConnection.setDoInput(true);aConnection.setRequestMethod("POST");// aConnection.setAllowUserInteraction(false);// POST the dataOutputStreamWriter streamToAuthorize = new java.io.OutputStreamWriter(aConnection.getOutputStream());streamToAuthorize.write(data);streamToAuthorize.flush();streamToAuthorize.close();// check errorint errorCode = aConnection.getResponseCode();if (errorCode >= 400) {InputStream errorStream = aConnection.getErrorStream();try {String errorData = streamToString(errorStream);throw new HttpException(errorCode, errorData);} finally {errorStream.close();}}// Get the ResponseInputStream resultStream = aConnection.getInputStream();try {String responseData = streamToString(resultStream);return responseData;} finally {resultStream.close();}} finally {aConnection.disconnect();}}private static String streamToString(InputStream resultStream)throws IOException {BufferedReader aReader = new java.io.BufferedReader(new java.io.InputStreamReader(resultStream));StringBuffer aResponse = new StringBuffer();String aLine = aReader.readLine();while (aLine != null) {aResponse.append(aLine + "\n");aLine = aReader.readLine();}return aResponse.toString();} }完整分享代碼下載地址: http://www.zuidaima.com/share/1550463367924736.htm

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