package com.smm.web.mtower.util;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.net.URL;

/**

* Created by zhenghao on 2016/6/24.

* 當前位置處理工具

*/

public class LocationUtil {

/**

* 獲取指定IP對應的經緯度(為空返回當前機器經緯度)

* @return

*/

public static String[] getIPXY() {

//獲取本機公網ip

String ip = getPublicWebIP();

if(ip==null || ip.trim().equals("")) return null;

//百度map ak

String ak = "TjoQT*****************Bj8jV";

try {

URL url = new URL("http://api.map.baidu.com/location/ip?ak=" + ak + "&ip=" + ip + "&coor=bd09ll");

InputStream inputStream = url.openStream();

InputStreamReader inputReader = new InputStreamReader(inputStream);

BufferedReader reader = new BufferedReader(inputReader);

StringBuilder sb = new StringBuilder();

String str;

do {

str = reader.readLine();

sb.append(str);

} while (null != str);

str = sb.toString();

if (str.isEmpty()) {

return null;

}

// 獲取坐標位置

int index = str.indexOf("point");

int end = str.indexOf("}}", index);

if (index == -1 || end == -1) {

return null;

}

str = str.substring(index - 1, end + 1);

if (str.isEmpty()) {

return null;

}

String[] ss = str.split(":");

if (ss.length != 4) {

return null;

}

String x = ss[2].split(",")[0];

String y = ss[3];

x = x.substring(x.indexOf("\"") + 1, x.indexOf("\"", 1));

y = y.substring(y.indexOf("\"") + 1, y.indexOf("\"", 1));

return new String[] { x, y };

} catch (IOException e) {

e.printStackTrace();

}

return null;

}

public static String getPublicWebIP() {

String http_url ="http://www.ip.cn/";

try{

URL url = new URL(http_url);

InputStream inputStream = url.openStream();

InputStreamReader inputReader = new InputStreamReader(inputStream);

BufferedReader reader = new BufferedReader(inputReader);

StringBuilder sb = new StringBuilder();

String str;

do {

str = reader.readLine();

sb.append(str);

} while (null != str);

str = sb.toString();

if (str.isEmpty()) {

return null;

}

//從內容中截取代碼 117.184.120.234

int start = str.indexOf("") + "".length();

int end = str.indexOf("");

str = str.substring(start,end);

return str;

}catch (Exception e){

e.printStackTrace();

}

return null;

}

public static void main(String[] args) {

String [] location = LocationUtil.getIPXY();

assert location != null;

String widu=location[1];

String jndu=location[0];

System.out.println(widu);

System.out.println(jndu);

}

}

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