在知道起始點坐標的情況下,在瀏覽器上定位當前位置,然后匹配當前的坐標點進行小車平移,查了下,只有百度的接口還算清晰,由于之前拿到的坐標是從騰訊地圖拿到的,所以先用坐標轉換把坐標轉換為百度坐標然后再匹配的,測試證明,真的不怎么好用,有興趣的朋友可以試試,或者留言給我一起研究
<!DOCTYPE html><html><head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> <style type="text/CSS"> body, html,#allmap {width: 100%;height: 100%;overflow: hidden;margin:0;font-family:"微軟雅黑";} </style> <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=key"></script> <title></title></head><body> <div id="allmap"></div></body></html><script type="text/Javascript"> // 百度地圖API功能 //谷歌坐標 var pointArr = [ new BMap.Point(116.402850,39.917735),//起點坐標 new BMap.Point(116.424374,39.914668),//終點坐標 ]; var carMk; var mylocal; //地圖初始化 var map = new BMap.Map("allmap"); map.centerAndZoom(pointArr[0], 15); //坐標轉換完之后的回調函數(shù) translateCallback = function (data){ if(data.status === 0) { run(data.points); setInterval(resetMkPoint,500); } } //批量轉換坐標 var convertor = new BMap.Convertor(); convertor.translate(pointArr, 1, 5, translateCallback); window.run = function (points){ // 百度地圖API功能 var myP1 = new BMap.Point(points[0]['lng'],points[0]['lat']); //起點 var myP2 = new BMap.Point(points[1]['lng'],points[1]['lat']); //終點 var myIcon = new BMap.Icon("./che.png", new BMap.Size(48, 48), { //小車圖片 //offset: new BMap.Size(0, -5), //相當于CSS精靈 imageOffset: new BMap.Size(0, 0) //圖片的偏移量。為了是圖片底部中心對準坐標點。 }); var driving2 = new BMap.DrivingRoute(map, {renderOptions:{map: map, autoViewport: true}});//駕車實例 driving2.search(myP1, myP2); //顯示一條公交線路 var driving = new BMap.DrivingRoute(map); //駕車實例 driving.search(myP1, myP2); driving.setSearchCompleteCallback(function(){ var pts = driving.getResults().getPlan(0).getRoute(0).getPath(); //通過駕車實例,獲得一系列點的數(shù)組 var paths = pts.length; //獲得有幾個點 carMk = new BMap.Marker(pts[0],{icon:myIcon}); map.addOverlay(carMk); }); } function getmylocation(){ var geolocation = new BMap.Geolocation(); geolocation.getCurrentPosition(function(r){ if(this.getStatus() == BMAP_STATUS_SUCCESS){ mylocal = r.point; } else { alert('failed'+this.getStatus()); } },{enableHighAccuracy: true}) } //實時獲取坐標,根據(jù)坐標匹配小車位置 function resetMkPoint(){ getmylocation(); carMk.setPosition(mylocal); }</script>新聞熱點
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