新浪ip地址查询接口调用方面

 

import com.cdeledu.plat.fin.common.util.URLUtil;
import com.cdeledu.plat.fin.common.util.WebPage;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;

public class IpLookUp
{
 private static String sinaURL = "http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js&ip=";

 public static String sinaIpLookup(String ip)
 {
  String pageURL = sinaURL;
  WebPage webPage = null;
  String json = "";
  webPage = URLUtil.getPageContent(pageURL + ip);
  if(webPage != null && webPage.getHtml() != null)
  {
   json = webPage.getHtml();
   String begin = "{";
   String end = "}";
   json = json.substring(json.indexOf(begin), json.indexOf(end) + 1);
  }
  return json;
 }
 public static IpInfo parserSinaLoopkUpIpInfo(String json)
 {
  Gson gson = new Gson();
  IpInfo ipInfo = null;
  JsonParser parser = new JsonParser();
  JsonElement jsonElement = parser.parse(json);
  if(jsonElement.isJsonObject())
  {
   JsonObject JsonObject = (JsonObject)jsonElement;
   ipInfo = gson.fromJson(JsonObject, IpInfo.class);
   if(ipInfo != null)
   {
    System.out.println(ipInfo.getStart() + "\t" + ipInfo.getEnd() + "\t" + ipInfo.getProvince());
   }
  }
  return ipInfo;
 }
 /**
  * @param args
  */
 public static void main(String[] args)
 {
  String ip = "219.232.43.228";
  ip = "218.94.132.146";
  long start = System.currentTimeMillis();
  String json = sinaIpLookup(ip);
  IpInfo ipInfo = parserSinaLoopkUpIpInfo(json);
  System.out.println(ipInfo);
  System.out.println("===times===" + (System.currentTimeMillis() - start));
 }