javaweb实现百度GPS定位接口（经纬度）

百度web GPS定位（经纬度）

注册账号及配置地址

http://lbsyun.baidu.com/apiconsole/key

主类 BaiduWebAPI

import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.commons.lang.StringUtils;
import org.apache.log4j.Logger;

import com.webber.cm.common.util.HttpClient;
import com.webber.cm.common.util.JsonUtil;

public class BaiduWebAPI {

 static Logger logger = Logger.getLogger(BaiduWebAPI.class);

 // 配置地址：http://lbsyun.baidu.com/apiconsole/key
 private static final String APP_ID = "18**********";
 private static final String AK = "XGXnh8tB7e*******************";

 public static void main(String[] args) {
 //BaiduWebAPI.ipLocation("127.0.0.1");
 BaiduWebAPI.gpsLocation("116.840213","39.196272");
 }

 // GPS接口
 public static String gpsLocation(String lng, String lat) {
 String result = null;
 try {
  String url = "http://api.map.baidu.com/reverse_geocoding/v3/?ak=MY_AK&output=json&coordtype=wgs84ll&location=LAT_VALUE,LNG_VALUE";
  url = url.replace("MY_AK", AK).replace("LNG_VALUE", lng).replace("LAT_VALUE", lat);
  String reqResult = HttpClient.doGet(url);
  System.out.println(reqResult);
  Map map = JsonUtil.parseJSON2Map(reqResult);
  Map ac = (Map) ((Map) map.get("result")).get("addressComponent");
  result = ac.get("city").toString() + ac.get("district").toString();
 } catch (Exception e) {
  logger.error("GPS接口异常：", e);
 }
 logger.info("GPS接口：{lng:" + lng + ",lat:" + lat + ",result:" + result + "}");
 return result;
 }

 // IP接口
 public static String ipLocation(String ip) {
 if(BaiduWebAPI.isLan(ip)) {
  return "内网IP";
 }
 String result = null;
 try {
  String url = "http://api.map.baidu.com/location/ip?ak=MY_AK&ip=IP_VALUE&coor=bd09ll";
  url = url.replace("MY_AK", AK).replace("IP_VALUE", ip);
  String reqResult = decodeUnicode(HttpClient.doGet(url));
  System.out.println(reqResult);
  Map map = JsonUtil.parseJSON2Map(reqResult);
  result=((Map) map.get("content")).get("address").toString();
  result=result.replace("省", "").replace("市", "");
 } catch (Exception e) {
  logger.error("IP接口异常：", e);
 }
 logger.info("IP接口：{ip:" + ip + ",result:" + result + "}");
 return result;
 }

 // unicode转化汉字
 public static String decodeUnicode(final String unicode) {
 StringBuffer string = new StringBuffer();

 String[] hex = unicode.split("\\u");

 for (int i = 0; i < hex.length; i++) {

  try {
  // 汉字范围 u4e00-u9fa5 (中文)
  if (hex[i].length() >= 4) {// 取前四个，判断是否是汉字
   String chinese = hex[i].substring(0, 4);
   try {
   int chr = Integer.parseInt(chinese, 16);
   boolean isChinese = isChinese((char) chr);
   // 转化成功，判断是否在 汉字范围内
   if (isChinese) {// 在汉字范围内
    // 追加成string
    string.append((char) chr);
    // 并且追加 后面的字符
    String behindString = hex[i].substring(4);
    string.append(behindString);
   } else {
    string.append(hex[i]);
   }
   } catch (NumberFormatException e1) {
   string.append(hex[i]);
   }

  } else {
   string.append(hex[i]);
  }
  } catch (NumberFormatException e) {
  string.append(hex[i]);
  }
 }
 return string.toString();
 }

 
 public static boolean isChinese(char c) {
 Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);
 if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS
  || ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS
  || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A
  || ub == Character.UnicodeBlock.GENERAL_PUNCTUATION
  || ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION
  || ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS) {
  return true;
 }
 return false;
 }
 
 // 是否为局域网
 private static Boolean isLan(String ip) {
    if("127.0.0.1".equals(ip)) {
     return true;
    }
    
    if (!StringUtils.isEmpty(ip) && ip.length() > 15) {
      ip = ip.substring(0, ip.indexOf(","));
    }
    
    String reg = "^(192\.168|172\.(1[6-9]|2\d|3[0,1]))(\.(2[0-4]\d|25[0-5]|[0,1]?\d?\d)){2}$|^10(\.([2][0-4]\d|25[0-5]|[0,1]?\d?\d)){3}$";
    Pattern p = Pattern.compile(reg);
    Matcher matcher = p.matcher(ip);
    return matcher.find();
  }
}

工具类 HttpClient

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

public class HttpClient {
 
 public static void main(String[] args) {
 
 }
 
 public static String doGet(String httpurl) {
 HttpURLConnection connection = null;
 InputStream is = null;
 BufferedReader br = null;
 String result = null;// 返回结果字符串
 try {
  // 创建远程url连接对象
  URL url = new URL(httpurl);
  // 通过远程url连接对象打开一个连接，强转成httpURLConnection类
  connection = (HttpURLConnection) url.openConnection();
  // 设置连接方式：get
  connection.setRequestMethod("GET");
  // 设置连接主机服务器的超时时间：15000毫秒
  connection.setConnectTimeout(15000);
  // 设置读取远程返回的数据时间：60000毫秒
  connection.setReadTimeout(60000);
  // 发送请求
  connection.connect();
  // 通过connection连接，获取输入流
  if (connection.getResponseCode() == 200) {
  is = connection.getInputStream();
  // 封装输入流is，并指定字符集
  br = new BufferedReader(new InputStreamReader(is, "UTF-8"));
  // 存放数据
  StringBuffer sbf = new StringBuffer();
  String temp = null;
  while ((temp = br.readLine()) != null) {
   sbf.append(temp);
   sbf.append("rn");
  }
  result = sbf.toString();
  }
 } catch (MalformedURLException e) {
  e.printStackTrace();
 } catch (IOException e) {
  e.printStackTrace();
 } finally {
  // 关闭资源
  if (null != br) {
  try {
   br.close();
  } catch (IOException e) {
   e.printStackTrace();
  }
  }

  if (null != is) {
  try {
   is.close();
  } catch (IOException e) {
   e.printStackTrace();
  }
  }

  connection.disconnect();// 关闭远程连接
 }

 return result;
 }

 public static String doPost(String httpUrl, String param) {
 HttpURLConnection connection = null;
 InputStream is = null;
 OutputStream os = null;
 BufferedReader br = null;
 String result = null;
 try {
  URL url = new URL(httpUrl);
  // 通过远程url连接对象打开连接
  connection = (HttpURLConnection) url.openConnection();
  // 设置连接请求方式
  connection.setRequestMethod("POST");
  // 设置连接主机服务器超时时间：15000毫秒
  connection.setConnectTimeout(15000);
  // 设置读取主机服务器返回数据超时时间：60000毫秒
  connection.setReadTimeout(60000);

  // 默认值为：false，当向远程服务器传送数据/写数据时，需要设置为true
  connection.setDoOutput(true);
  // 默认值为：true，当前向远程服务读取数据时，设置为true，该参数可有可无
  connection.setDoInput(true);
  // 设置传入参数的格式:请求参数应该是 name1=value1&name2=value2 的形式。
  connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
  // 设置鉴权信息：Authorization: Bearer da3efcbf-0845-4fe3-8aba-ee040be542c0
  connection.setRequestProperty("Authorization", "Bearer da3efcbf-0845-4fe3-8aba-ee040be542c0");
  // 通过连接对象获取一个输出流
  os = connection.getOutputStream();
  // 通过输出流对象将参数写出去/传输出去,它是通过字节数组写出的
  os.write(param.getBytes());
  // 通过连接对象获取一个输入流，向远程读取
  if (connection.getResponseCode() == 200) {

  is = connection.getInputStream();
  // 对输入流对象进行包装:charset根据工作项目组的要求来设置
  br = new BufferedReader(new InputStreamReader(is, "UTF-8"));

  StringBuffer sbf = new StringBuffer();
  String temp = null;
  // 循环遍历一行一行读取数据
  while ((temp = br.readLine()) != null) {
   sbf.append(temp);
   sbf.append("rn");
  }
  result = sbf.toString();
  }
 } catch (MalformedURLException e) {
  e.printStackTrace();
 } catch (IOException e) {
  e.printStackTrace();
 } finally {
  // 关闭资源
  if (null != br) {
  try {
   br.close();
  } catch (IOException e) {
   e.printStackTrace();
  }
  }
  if (null != os) {
  try {
   os.close();
  } catch (IOException e) {
   e.printStackTrace();
  }
  }
  if (null != is) {
  try {
   is.close();
  } catch (IOException e) {
   e.printStackTrace();
  }
  }
  // 断开与远程地址url的连接
  connection.disconnect();
 }
 return result;
 }
}

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