把Gps坐标转成百度坐标的java方法

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把Gps坐标转成百度坐标的java方法

许多用户希望把Gps 的坐标转成Baidu地图的坐标，并且存在数据库里，由于百度没有提供webservice的接口，所以我只能用这种方式来解析了，废话少说，直接贴代码。

import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.OutputStream;import java.net.Socket;import java.text.ParseException;import sun.misc.BASE64Decoder;public class Test {public static void main(String args[]) throws ParseException {changgeXY("116.397428", "39.90923");}public static String changgeXY(String xx, String yy) {try {Socket s = new Socket("api.map.baidu.com", 80);BufferedReader br = new BufferedReader(new InputStreamReader(s.getInputStream(), "UTF-8"));OutputStream out = s.getOutputStream();StringBuffer sb = new StringBuffer("GET /ag/coord/convert?from=0&to=4");sb.append("&x=" + xx + "&y=" + yy);sb.append("&callback=BMap.Convertor.cbk_3976 HTTP/1.1\r\n");sb.append("User-Agent: Java/1.6.0_20\r\n");sb.append("Host: api.map.baidu.com:80\r\n");sb.append("Accept: text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2\r\n");sb.append("Connection: Close\r\n");sb.append("\r\n");out.write(sb.toString().getBytes());String json = "";String tmp = "";while ((tmp = br.readLine()) != null) {// System.out.println(tmp);json += tmp;}int start = json.indexOf("cbk_3976");int end = json.lastIndexOf("}");if (start != -1 && end != -1&& json.contains("\"x\":\"")) {json = json.substring(start, end);String[] point = json.split(",");String x = point[1].split(":")[1].replace("\"", "");String y = point[2].split(":")[1].replace("\"", "");return (new String(decode(x)) + "," + new String(decode(y)));} else {System.out.println("gps坐标无效！！");}out.close();br.close();} catch (Exception e) {e.printStackTrace();}return null;}/** * 解码 *  * @param str * @return string */public static byte[] decode(String str) {byte[] bt = null;try {BASE64Decoder decoder = new BASE64Decoder();bt = decoder.decodeBuffer(str);// System.out.println(new String (bt));} catch (IOException e) {e.printStackTrace();}return bt;}}

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