public class YzcPattern {

/**

* ip地址接口

*/

private final static String ipurl ="http://ip.taobao.com/service/getIpInfo.php?ip=";

/**

* 判断ip

* @param text

* @return

*/

public static boolean ipCheck(String text) {

if (text != null && !text.isEmpty()) {

// 定义正则表达式

String regex = "^(1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|[1-9])\\."

+ "(1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|\\d)\\."

+ "(1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|\\d)\\."

+ "(1\\d{2}|2[0-4]\\d|25[0-5]|[1-9]\\d|\\d)$";

// 判断ip地址是否与正则表达式匹配

if (text.matches(regex)) {

return true;

// 返回判断信息

//return text + "\n是一个合法的IP地址！";

} else {

return false;

// 返回判断信息

//return text + "\n不是一个合法的IP地址！";

}

}

return false;

}

/**

* 读取IP的

* @param getAccessTokenUrl

* @return

*/

public static String getAuth(String getAccessTokenUrl) {

HttpURLConnection connection = null;

try {

URL realUrl = new URL(getAccessTokenUrl);

// 打开和URL之间的连接

connection = (HttpURLConnection) realUrl.openConnection();

connection.setRequestProperty("User-Agent", Const.UserAgent);

connection.setRequestMethod("GET");

connection.setRequestProperty("Charsert", "UTF-8"); //设置请求编码

connection.setRequestProperty("Content-Type",

"application/json");

connection.connect();

// 定义 BufferedReader输入流来读取URL的响应

BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));

String result = "";

String line;

while ((line = in.readLine()) != null) {

result += line;

}

/**

* 返回结果示例

*/

return result;

} catch (Exception e) {

e.printStackTrace();

}finally{

if(connection!=null){

connection.disconnect();

}

}

return null;

}

public static void main(String[] args) throws Exception {

String ip="您的ip";

boolean bo = YzcPattern.ipCheck(ip);

if(bo){

String url = ipurl+ip;

String result = getAuth(url);

}

//获得的结果 {"code":0,"data":{"ip":"58.87.124.194","country":"中国","area":"","region":"天津","city":"天津","county":"XX","isp":"电信","country_id":"CN","area_id":"","region_id":"120000","city_id":"120100","county_id":"xx","isp_id":"100017"}}

}

}