腾讯地图坐标转百度地图坐标

实现功能:调用微信获取当前位置接口,转换为百度坐标,进行导航

(1)net.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE html>
<html>
<head>
<title>LBS导航</title>
     <s:param name="appId">${appId}</s:param>
</s:include>
<script type="text/javascript">
	/*从url获取值*/
	var icon = 
'<s:url value='/custom/tydc/other/images/location.png'></s:url>'; var aimIcon =
'<s:url value='/custom/tydc/other/images/location_blue.png'></s:url>'; </script> <script type="text/javascript"
src="<s:url value="/custom/tydc/other/js/net.js"></s:url>"></script> <script type="text/javascript"
src="http://api.map.baidu.com/api?v=2.0&ak=l1nCuDjLYBOSV6ZRxEXfMQFN"></script> </head> <body> <div id="location_map"></div> <div class="map_card"> <div class="network_list"> <div class="text"> <span class="title" id="name"></span> <span class="address" id="address">
          地址:昌平区龙腾苑六区</span> <span class="phone">
          <a id="tel" href="tel:05378676883">
          <span class="urlphone" id="linkphone">
          电话:0537-8676883
        </span></a></span> </div> </div> </div> </body> </html>

  

(2)net.js
//目标点
var aimPoint;
var map;
$(function() {
	 $(document).ready(function() {
         var h = $(window).height(), h2;
         $("#location_map").css("height", h*0.8);
         $(window).resize(function() {
             h2 = $(this).height();
             $("#location_map").css("height", h2);
         });
     });
	//调用微信接口,获取地理位置
	wxReady();
	//点击信息框
	$(".address").on("click", "", function() {
		map.centerAndZoom(new BMap.Point(aimPoint.lng, aimPoint.lat), 15);
		//map.setViewport([ aimPoint ]);
	});
	
});
function wxReady(){
	wx.ready(function(){
		wx.getLocation({
			success: function (res) {
				var xx = res.longitude; // 经度,浮点数,范围为180 ~ -180。
				var yy = res.latitude; // 纬度,浮点数,范围为90 ~ -90
				findLocation(xx,yy);
			}
		});
	});
}

function findLocation(xx,yy){
	//将微信坐标转换为百度经纬度
	bd_encrypt(yy,xx); //计算后得到百度坐标 longitude latitude
	var points=[];
	//赋值操作
	//$("#name").html("爱乐活");
	//$("#address").html("地址:北京大兴区葛家庄");
	//$("#linkphone").html("电话:06326878663");
	//$("#tel").attr("href","tel:06326878663");
	//$("#phone").html("");
	//目的经纬度
	var destLng = 141.26601;
	var destLat = 30.478838;
	aimPoint=new BMap.Point(destLng,destLat);
	points.push( aimPoint );

	// 百度地图API功能
	map = new BMap.Map("location_map");// 创建Map实例
	map.centerAndZoom(new BMap.Point(longitude,latitude ), 11);
	map.enableScrollWheelZoom();
	map.enableContinuousZoom();

	pt = new BMap.Point(longitude,latitude);
	points.push(pt);
	map.setViewport(points);

	var driving = new BMap.DrivingRoute(map, 
      {renderOptions:{map: map,autoViewport: false}}); driving.search(pt, aimPoint); } var longitude,latitude; //处理微信坐标 function bd_encrypt(gg_lat, gg_lon) { var x_pi = 3.14159265358979324 * 3000.0 / 180.0; var x = gg_lon; var y = gg_lat; var z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * x_pi); var theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * x_pi); longitude = z * Math.cos(theta) + 0.0065; latitude = z * Math.sin(theta) + 0.006; }

  

posted on 2016-04-18 18:55  泰洋  阅读(1904)  评论(0编辑  收藏  举报

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