GPS转百度坐标demo、

package smsService; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.params.CookiePolicy; import org.apache.http.client.params.HttpClientParams; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.params.BasicHttpParams; import org.apache.http.params.HttpConnectionParams; import org.apache.http.HttpResponse; import org.apache.http.HttpEntity; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; import smsService.cfg.Globals; import smsService.sms.StringUtil; import smsService.util.JWD; import smsService.util.SecBase64; /* * @ClassName GPSToBaiDu * @description Convert the data of GPS to BaiDu * @date 2014.10.24 */ public class GPSToBaiDu { /* * 获取HttpClient对象 * @return client */ private static HttpClient httpClient(){ BasicHttpParams httpParameters = new BasicHttpParams(); // Set the default socket timeout (SO_TIMEOUT) HttpConnectionParams.setConnectionTimeout(httpParameters, 15000); // in milliseconds which is the timeout for waiting for data. HttpConnectionParams.setSoTimeout(httpParameters, 15000); HttpClient client = new DefaultHttpClient(httpParameters); HttpClientParams.setCookiePolicy(client.getParams(), CookiePolicy.NETSCAPE);//CookiePolicy.BROWSER_COMPATIBILITY); return client; } /* * 向百度位置数据发送和接收数据 * @param url 请求链接 * @param client HttpClient * @param jwdList 原始数据集（GCL-02或者GPS数据） * @return 经过转换过后的百度坐标 */ private static List<JWD> send(String url,HttpClient client,List<JWD> jwdList) throws ClientProtocolException, IOException, JSONException{ //使用HTTP的Get方式获取数据 HttpGet get = new HttpGet(url); //响应 HttpResponse resp = client.execute(get); //获取实体数据 HttpEntity entity = resp.getEntity(); //读取数据 BufferedReader br = new BufferedReader(new InputStreamReader(entity .getContent(), "UTF-8")); StringBuffer sb = new StringBuffer(); String result = br.readLine(); while (result != null) { sb.append(result); result = br.readLine(); } System.out.println("从百度返回的结果："+sb.toString()); String res = StringUtil.null2String(sb.toString()); //返回JsonArray JSONArray js = new JSONArray(res); //System.out.println("js.toString():"+js.toString()); for(int index = 0;index<js.length();++index){ //获取JSONObject数据对象 JSONObject object = js.getJSONObject(index); //获取key对应的值 int err = object.getInt("error"); //判断返回结果是否错误，0表示正确 if (0==err) { //解密 String x = new String(SecBase64.decode(object.getString("x").getBytes())); String y = new String(SecBase64.decode(object.getString("y").getBytes())); JWD jwd = new JWD(x,y); jwdList.add(jwd); } } return jwdList; } /* * 处理单个GPS坐标的转换 * @param jd经度 * @param wd纬度 * @return 返回百度坐标 */ public static JWD getData(String jd, String wd) { String wizzer = "";//回调函数 JWD jwd=null;//返回百度坐标数据 try { HttpClient client = httpClient(); //详见百度坐标转换API文档示例， //type:0表示GPS经纬度转成百度坐标 // :2表示GCJ-02坐标转成百度坐标 String type="0"; type=StringUtil.null2String(Globals.get("sys.baidu.type"));//Globals.SYS.COM.CONFIG.get("sys.baidu.type") HttpGet get = new HttpGet("http://api.map.baidu.com/ag/coord/convert?from="+type +"&to=4&x=" + jd + "&y=" + wd + "&callback="+wizzer); HttpResponse resp = client.execute(get); HttpEntity entity = resp.getEntity(); BufferedReader br = new BufferedReader(new InputStreamReader(entity .getContent(), "UTF-8")); StringBuffer sb = new StringBuffer(); String result = br.readLine(); while (result != null) { sb.append(result); result = br.readLine(); } System.out.println("从百度返回的结果："+sb.toString()); String res = StringUtil.null2String(sb.toString()); //创建JSONObject JSONObject js = new JSONObject(res); String err = js.getString("error"); //判断返回结果是否错误，0表示正确 if ("0".equals(err)) { jwd=new JWD();//创建对象 //System.out.println("js.toString():"+js.toString()); //解密 String x = new String(SecBase64.decode(js.getString("x").getBytes())); String y = new String(SecBase64.decode(js.getString("y").getBytes())); //存储百度坐标值 jwd.setX(x); jwd.setY(y); }else{ return null; } return jwd; } catch (Exception e) { e.printStackTrace(); return null; } } /* * 批量处理GPS坐标 * @param list原始数据集合 */ public static List<JWD> getDataArray(List<JWD> list) { String wizzer = "";//回调函数 List<JWD> jwdList=new ArrayList<JWD>();//返回百度坐标数据 int maxCnt = 20;//每次发送请求最多能处理20条数据的转换 try { HttpClient client = httpClient(); //详见百度坐标转换API文档示例， //type:0表示GPS经纬度转成百度坐标 // :2表示GCJ-02坐标转成百度坐标 String type="0"; type=StringUtil.null2String(Globals.get("sys.baidu.type"));//Globals.SYS.COM.CONFIG.get("sys.baidu.type") String url = "http://api.map.baidu.com/ag/coord/convert?from="+type+"&to=4&mode=1&x="; /* * 转换一组数据 * "http://api.map.baidu.com/ag/coord/convert?from="+type+"&to=4&mode=1&x=1,2,3&y=4,5,6&callback="+wizzer; */ String jds = ""; String wds= ""; for(int index = 0;index<list.size();++index){ //每次最多只能处理20条数据 if(index%maxCnt==0 && index!=0){ jds = jds.substring(0,jds.length()-1); wds = wds.substring(0,wds.length()-1); String s = url +jds+"&y="+wds+"&callback="+wizzer; System.out.println(url); jwdList = send(s,client,jwdList); jds = ""; wds = ""; } jds+=list.get(index).getX()+","; wds+=list.get(index).getY()+","; //处理mode20的余数 if(index== list.size()-1){ jds = jds.substring(0,jds.length()-1); wds = wds.substring(0,wds.length()-1); String s = url +jds+"&y="+wds+"&callback="+wizzer; jwdList = send(s,client,jwdList); jds = ""; wds = ""; } } return jwdList; } catch (Exception e) { e.printStackTrace(); return null; } } /* * 测试 * main函数 */ public static void main(String args[]) { //构造批量数据 List<JWD> list = new ArrayList<JWD>(); list.add(new JWD(116.3786889372559,39.90762965106183)); l