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.
* 当前位置处理工具
*/
public class LocationUtil {
/**
* 获取指定IP对应的经纬度(为空返回当前机器经纬度)
* @return
*/
public static String[] getIPXY() {
//获取本机公网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;
}
// 获取坐标位置
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;
}
//从内容中截取代码 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);
}
}
