文章标签 ‘地图’
2011十二月22

JAVA源码:通过google地图API将经纬度坐标转换为位置描述

package smsService;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;

/*
Wizzer.cn
 */
public class Demo {
	public static void main(String[] args) {
		String addr = GetAddr("31.875676", "117.3094928");
		System.out.println(addr);
		//getCoordinate("中国");
	}

	/**
	 * 根据经纬度反向解析地址,有时需要多尝试几次
	 * 注意:(摘自:http://code.google.com/intl/zh-CN/apis/maps/faq.html
	 * 提交的地址解析请求次数是否有限制?) 如果在 24 小时时段内收到来自一个 IP 地址超过 15,000 个地址解析请求, 或从一个 IP
	 * 地址提交的地址解析请求速率过快,Google 地图 API 编码器将用 620 状态代码开始响应。 如果地址解析器的使用仍然过多,则从该 IP
	 * 地址对 Google 地图 API 地址解析器的访问可能被永久阻止。
	 *
	 * @param latitude
	 *            纬度
	 * @param longitude
	 *            经度
	 * @return
	 */
	public static String GetAddr(String latitude, String longitude) {
		String addr = "";

		// 也可以是http://maps.google.cn/maps/geo?output=csv&key=abcdef&q=%s,%s,不过解析出来的是英文地址
		// 密钥可以随便写一个key=abc
		// output=csv,也可以是xml或json,不过使用csv返回的数据最简洁方便解析
		String url = String.format(
				"http://ditu.google.cn/maps/geo?output=csv&key=abcdef&q=%s,%s",
				latitude, longitude);
		URL myURL = null;
		URLConnection httpsConn = null;
		try {
			myURL = new URL(url);
		} catch (MalformedURLException e) {
			e.printStackTrace();
			return null;
		}
		try {
			httpsConn = (URLConnection) myURL.openConnection();
			if (httpsConn != null) {
				InputStreamReader insr = new InputStreamReader(
						httpsConn.getInputStream(), "UTF-8");
				BufferedReader br = new BufferedReader(insr);
				String data = null;
				if ((data = br.readLine()) != null) {
					System.out.println(data);
					String[] retList = data.split(",");
					if (retList.length > 2 && ("200".equals(retList[0]))) {
						addr = retList[2];
						addr = addr.replace("\"", "");
					} else {
						addr = "";
					}
				}
				insr.close();
			}
		} catch (IOException e) {
			e.printStackTrace();
			return null;
		}
		return addr;
	}

	public static void getCoordinate(String addr)
	{
		String addrs = "";
	    String address = null;
		try {
			address = java.net.URLEncoder.encode(addr,"UTF-8");
		} catch (UnsupportedEncodingException e1) {
			e1.printStackTrace();
		};
        String output = "csv";
        String key = "abc";
        String url = String.format("http://maps.google.com/maps/geo?q=%s&output=%s&key=%s", address, output, key);
        URL myURL = null;
        URLConnection httpsConn = null;
        //进行转码
		try {
			myURL = new URL(url);
		} catch (MalformedURLException e) {
			e.printStackTrace();
		}

		try {
			httpsConn = (URLConnection) myURL.openConnection();
			if (httpsConn != null) {
				InputStreamReader insr = new InputStreamReader(
						httpsConn.getInputStream(), "UTF-8");
				BufferedReader br = new BufferedReader(insr);
				String data = null;
				if ((data = br.readLine()) != null) {
					System.out.println(data);
					String[] retList = data.split(",");
					/*
		            String latitude = retList[2];
		            String longitude = retList[3];

		            System.out.println("纬度"+ latitude);
		            System.out.println("经度"+ longitude);
		            */

					if (retList.length > 2 && ("200".equals(retList[0]))) {
						addrs = retList[2];
						addrs = addr.replace("\"", "");
					} else {
						addrs = "";
					}
				}
				insr.close();
			}
		} catch (IOException e) {
			e.printStackTrace();
		}
		System.out.println(addrs);
	}
}
2011八月31

百度地图API:GPS经纬度转换整合版

<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=GBK"/>
    <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7"/>
	<script type="text/javascript" src="http://api.map.baidu.com/api?v=1.2"></script>
	<script type="text/javascript" src="http://dev.baidu.com/wiki/static/map/API/examples/script/convertor.js"></script>
</head>
<body style="padding:4px 0px 4px 4px;overflow-y:scroll">
<div style="position:relative; width:100%;height:405px;border:1px solid #D4D0C8;" id="container"></div>
<script language="javascript" id="mapscript">
document.getElementById("container").style.height = document.body.clientHeight+18;
var map = new BMap.Map("container");
map.centerAndZoom("兰州", 5);
map.addControl(new BMap.NavigationControl());
map.enableScrollWheelZoom();//启动鼠标滚轮缩放地图

map.addEventListener('load',function(){

//增加一个标注点
//doaddpoint('<%=appname%>/img/private/images/icon_home1.png', '', '<%=locdata.getRegion()%><%=locdata.getCity()%><%=locdata.getStreet()%>', '', '<%=jd%>', '<%=wd%>', '<%=locdata.getPhone()%>', '<%=Sys_userCtl.getUserNameByloginNames(locdata.getLoginname())%>','<%=locdata.getCtime()%>','#ff0000','<%=Loc_dataCtl.getLocType(locdata)%>');

});
//新增一个点时处理方法
function doaddpoint(img, name, dz, id, jd, wd, dh, lxr,sm,color,type)
{
var sContent ="<div class='tab_TextInput_map' style='width:250px;'><table id='TextInput_map' align=left><tr><td><b>人员姓名:</b></td><td>" + lxr + "</td></tr><tr><td><b>手机号码:</b></td><td>" + dh + "</td></tr><tr><td><b>定位时间:</b></td><td>" + sm + "</td></tr><tr><tr><td><b>上传地址:</b></td><td>" + dz + "</td></tr><tr><td><b>定位方式:</b></td><td>" + type + "</td></tr></table></div>";
var gpsPoint = new BMap.Point(jd,wd);

translateOptions = function (point){
var marker = new BMap.Marker(point);

var infoWindow = new BMap.InfoWindow(sContent);  // 创建信息窗口对象
map.addOverlay(marker);
marker.addEventListener("click", function(){
   this.openInfoWindow(infoWindow);
});
marker.setLabel(new BMap.Label("<span style='color:blue;font-size:16px;font-weight:bold;'>" + lxr +"</span>",{offset:new BMap.Size(20,0)}));   

}
BMap.Convertor.translate(gpsPoint,0,translateOptions);

}

</script>
</div>
</form>
</body>
</html>