百度地图通过经纬度获取地址信息Java代码
发布时间：2020-12-15 03:22:18 所属栏目：Java 来源：网络整理
导读：今天PHP站长网 52php.cn把收集自互联网的代码分享给大家，仅供参考。 逆地理编码示例 参数 值 Latitude: Longitude: pois(是否显示周边100米内poi): 名称 类型 说明 status constant 返回结果状态值， 成功返回0，其他值
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以下代码由PHP站长网 52php.cn收集自互联网 现在PHP站长网小编把它分享给大家，仅供参考 逆地理编码示例
http://api.map.baidu.com/geocoder/v2/?ak=E4805d16520de693a3fe707cdc962045&callback=renderReverse&location=39.983424,116.322987&output=json&pois=1 http://api.map.baidu.com/geocoder/v2/?ak=E4805d16520de693a3fe707cdc962045&callback=renderReverse&location=39.983424,116.322987&output=xml&pois=1 8.返回码状态表
{"status":0,"result":{"location":{"lng":115.95845796638,"lat":28.696117043877},"formatted_address":"江西省南昌市青山湖区创新路1号","business":"高新开发区,火炬广场,发展路","addressComponent":{"city":"南昌市","district":"青山湖区","province":"江西省","street":"创新路","street_number":"1号"},"cityCode":163}}
package com.xuyw.wx.util;
import net.sf.json.JSONObject;
import com.xuyw.wx.config.Config;
/**
* 百度工具类
*
* @author xuyw
* @email [email?protected]
* @date 2014-06-22
*/
public class BaiDuUtil {
public static String getCity(String lat,String lng) {
JSONObject obj = getLocationInfo(lat,lng).getJSONObject("result")
.getJSONObject("addressComponent");
return obj.getString("city");
}
public static JSONObject getLocationInfo(String lat,String lng) {
String url = "http://api.map.baidu.com/geocoder/v2/?location=" + lat + ","
+ lng + "&output=json&ak=" + Config.BAIDU_GEOCONV_KEY+"&pois=0";
JSONObject obj = JSONObject.fromObject(HttpUtil.getRequest(url));
return obj;
}
public static void main(String[] args) {
System.out.println(BaiDuUtil.getCity("28.694439","115.939728"));
}
}
package com.xuyw.wx.util;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
/**
* Http 简单封装
*
* @author xuyw
* @email [email?protected]
* @date 2012-06-14
*/
public class HttpUtil {
// 连接超时时间
private static final int CONNECTION_TIMEOUT = 3000;
//读取超时时间
private static final int READ_TIMEOUT = 5000;
// 参数编码
private static final String ENCODE_CHARSET = "utf-8";
/**
* 发送HTTP_POST请求
*
* @see 本方法默认的连接和读取超时均为30秒
* @param reqURL
* 请求地址
* @param params
* 发送到远程主机的正文数据[a:1,b:2]
* @return String
*/
public static String postRequest(String reqURL,String... params) {
StringBuilder resultData = new StringBuilder();
URL url = null;
try {
url = new URL(reqURL);
} catch (MalformedURLException e) {
e.printStackTrace();
}
HttpURLConnection urlConn = null;
InputStreamReader in = null;
BufferedReader buffer = null;
String inputLine = null;
DataOutputStream out = null;
if (url != null) {
try {
urlConn = (HttpURLConnection) url.openConnection();
urlConn.setDoInput(true);// 设置输入流采用字节流
urlConn.setDoOutput(true);// 设置输出流采用字节流
urlConn.setRequestMethod("POST");
urlConn.setUseCaches(false); // POST请求不能使用缓存
urlConn.setInstanceFollowRedirects(true);
urlConn.setConnectTimeout(CONNECTION_TIMEOUT);// 设置连接超时
urlConn.setReadTimeout(READ_TIMEOUT); // 设置读取超时
// 配置本次连接的Content-type，配置为application/x-www-form-urlencoded的
urlConn.setRequestProperty("Content-Type","application/x-www-form-urlencoded");
urlConn.setRequestProperty("Charset",ENCODE_CHARSET);//
String param = sendPostParams(params);
urlConn.setRequestProperty("Content-Length",param.getBytes().length + "");//
// urlConn.setRequestProperty("Connection","Keep-Alive");
// //设置长连接
urlConn.connect();// 连接服务器发送消息
if (!"".equals(param)) {
out = new DataOutputStream(urlConn.getOutputStream());
// 将要上传的内容写入流中
out.writeBytes(param);
// 刷新、关闭
out.flush();
out.close();
}
in = new InputStreamReader(urlConn.getInputStream(),HttpUtil.ENCODE_CHARSET);
buffer = new BufferedReader(in);
if (urlConn.getResponseCode() == 200) {
while ((inputLine = buffer.readLine()) != null) {
resultData.append(inputLine);
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (buffer != null) {
buffer.close();
}
if (in != null) {
in.close();
}
if (urlConn != null) {
urlConn.disconnect();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
return resultData.toString();
}
/**
* 发送HTTP_GET请求
*
* @see 本方法默认的连接和读取超时均为30秒
* @param httpUrl
* 请求地址
* @param map
* 发送到远程主机的正文数据[a:1,b:2]
* @return String
*/
public static String getRequest(String httpUrl,String... params) {
StringBuilder resultData = new StringBuilder();
URL url = null;
try {
String paramurl = sendGetParams(httpUrl,params);
url = new URL(paramurl);
} catch (MalformedURLException e) {
e.printStackTrace();
}
HttpURLConnection urlConn = null;
InputStreamReader in = null;
BufferedReader buffer = null;
String inputLine = null;
if (url != null) {
try {
urlConn = (HttpURLConnection) url.openConnection();
urlConn.setRequestMethod("GET");
urlConn.setConnectTimeout(CONNECTION_TIMEOUT);
in = new InputStreamReader(urlConn.getInputStream(),HttpUtil.ENCODE_CHARSET);
buffer = new BufferedReader(in);
if (urlConn.getResponseCode() == 200) {
while ((inputLine = buffer.readLine()) != null) {
resultData.append(inputLine);
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (buffer != null) {
buffer.close();
}
if (in != null) {
in.close();
}
if (urlConn != null) {
urlConn.disconnect();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
return resultData.toString();
}
/**
* Post追加参数
*
* @see <code>params</code>
* @param reqURL
* 请求地址
* @param params
* 发送到远程主机的正文数据[a:1,b:2]
* @return
*/
private static String sendPostParams(String... params) {
StringBuilder sbd = new StringBuilder("");
if (params != null && params.length > 0) {
for (int i = 0; i < params.length; i++) {
String[] temp = params[i].split(":");
sbd.append(temp[0]);
sbd.append("=");
sbd.append(urlEncode(temp[1]));
sbd.append("&");
}
sbd.setLength(sbd.length() - 1);// 删掉最后一个
}
return sbd.toString();
}
/**
* Get追加参数
*
* @see <code>params</code>
* @param reqURL
* 请求地址
* @param params
* 发送到远程主机的正文数据[a:1,b:2]
* @return
*/
private static String sendGetParams(String reqURL,String... params) {
StringBuilder sbd = new StringBuilder(reqURL);
if (params != null && params.length > 0) {
if (isexist(reqURL,"?")) {// 存在?
sbd.append("&");
} else {
sbd.append("?");
}
for (int i = 0; i < params.length; i++) {
String[] temp = params[i].split(":");
sbd.append(temp[0]);
sbd.append("=");
sbd.append(urlEncode(temp[1]));
sbd.append("&");
}
sbd.setLength(sbd.length() - 1);// 删掉最后一个
}
return sbd.toString();
}
// 查找某个字符串是否存在
private static boolean isexist(String str,String fstr) {
return str.indexOf(fstr) == -1 ? false : true;
}
/**
* 编码
*
* @param source
* @return
*/
private static String urlEncode(String source) {
String result = source;
try {
result = java.net.URLEncoder
.encode(source,HttpUtil.ENCODE_CHARSET);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return result;
}
}
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