通过调用百度生成短连接API接口，将长链接转换成短链接，并且生成短网址并返回，用户可以通过短连接访问，然后浏览器会解析跳转至长链接地址，有效的解决用户修改url后面的参数

package com.avic.controller.user.utls;


import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;


/**
 * 通过调用百度生成短连接API接口，将长链接转换成短链接，并且生成短网址并返回，
 * 用户可以通过短连接访问，然后浏览器会解析跳转至长链接地址，有效的解决用户修改url后面的参数
 * 
 * @author hw
 *
 */
public class ShortUrl {
public static void main(String[] args) {
String httpUrl = "http://apis.baidu.com/3023/shorturl/shorten";// 百度生成短连接API接口URL
String httpArg = "url_long=http%3A%2F%2Fapistore.baidu.com%2Fastore%2Fshopready%2F1973.html";// 需要生成的长链接地址URL
String jsonResult = request(httpUrl, httpArg);
System.out.println(jsonResult);
}
/**
* @param urlAll:请求接口
* @param httpArg:参数
* @return 返回结果
*/
public static String request(String httpUrl, String httpArg) {
BufferedReader reader = null;
String result = null;
StringBuffer sbf = new StringBuffer();
httpUrl = httpUrl + "?" + httpArg;


try {
URL url = new URL(httpUrl);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("GET");
// 填入apikey到HTTP header
connection.setRequestProperty("apikey", "0bcae0071cafdafadd3a85acd22493af");
connection.connect();
InputStream is = connection.getInputStream();
reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
String strRead = null;
while ((strRead = reader.readLine()) != null) {
sbf.append(strRead);
sbf.append("\r\n");
}
reader.close();
result = sbf.toString();
} catch (Exception e) {
e.printStackTrace();
}
return result;
}


}