注意：此方法引用淘宝网提供的接口。
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import javax.servlet.http.HttpServletRequest;
import net.sf.json.JSONObject;
/**
* IP工具类
* @author Fanpf
*
*/
public class IpUtil
{
/**
* 获取ip对应的区域
* 返回结果：中国 华东 南昌市
* 使用淘宝网所提供接口
* @param IP
* @return
*/
public static String GetAddressByIp(String IP){
String resout = "";
try{
String str = getJsonContent("http://ip.taobao.com/service/getIpInfo.php?ip="+IP);
JSONObject obj = JSONObject.fromObject(str);
JSONObject obj2 = (JSONObject) obj.get("data");
Object code = obj.get("code");
if(String.valueOf(code).equals("0")){
resout = obj2.get("country")+" " +obj2.get("area")+" " +obj2.get("city");
}else{
resout = "未知IP";
}
}catch(Exception e){
e.printStackTrace();
resout = "获取IP地址异常";
}
return resout;
}
public static String getJsonContent(String urlStr)
{
try
{// 获取HttpURLConnection连接对象
URL url = new URL(urlStr);
HttpURLConnection httpConn = (HttpURLConnection) url
.openConnection();
// 设置连接属性
httpConn.setConnectTimeout(3000);
httpConn.setDoInput(true);
httpConn.setRequestMethod("GET");
// 获取相应码
int respCode = httpConn.getResponseCode();
if (respCode == 200)
{
return ConvertStream2Json(httpConn.getInputStream());
}
}
catch (MalformedURLException e)
{
e.printStackTrace();
}
catch (IOException e)
{
e.printStackTrace();
}
return "";
}
private static String ConvertStream2Json(InputStream inputStream)
{
String jsonStr = "";
// ByteArrayOutputStream相当于内存输出流
ByteArrayOutputStream out = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len = 0;
// 将输入流转移到内存输出流中
try
{
while ((len = inputStream.read(buffer, 0, buffer.length)) != -1)
{
out.write(buffer, 0, len);
}
// 将内存流转换为字符串
jsonStr = new String(out.toByteArray());
}
catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
return jsonStr;
}
public static void main(String[] args) {
System.out.println(GetAddressByIp("218.64.55.225"));
}
}
版权声明：本文为博主原创文章，未经博主允许不得转载。