html5实现地图上定位导航路线方法如下:
1.先通过百度拾取坐标系统获得点位的坐标。
http://api.map.baidu.com/lbsapi/getpoint/index.html
2.在网页的<head>中插入百度API引用脚本。
<script type="text/javascript" src="http://api.map.baidu.com/api
key=&v=1.1&services=true"></script>
3.在网页的</body>之后</html>之前插入地图显示代码。
4.设置显示地图的div的id为“dituContent”,即添加 id="dituContent"
由于jqm的div的高度都是根据内容自由放大的,所以为了地图能正常显示,还需要
增加一个高度值,一般情况600px就可以,完成。
建议使用FF,Safari,举个例子:<!doctype html>
<html>
<head>
<title>HTML5+CSS3+JavaScript</title>
<meta http-equiv="Content-Type" content="text/htmlcharset=gb2312" />
<meta http-equiv="Content-Type" content="text/htmlcharset=gbk" />
<meta http-equiv="Content-Type" content="text/htmlcharset=utf-8" />
<meta http-equiv="Content-Language" content="zh-cn" />
<meta name="Generator" content="EditPlus">
<meta name="Author" content="">
<meta name="Keywords" content="">
<style type="text/css">
body {
behavior: url(ie-css3.htc)
}
* {margin:0 autopadding:0}
body {font-size:13pxfont-family:Arial}
ul li {list-style:none}
#menu {
width:982px
height:35px
margin-top:20pxdisplay:block
background: #e3e3e3
background: -moz-linear-gradient(top, #ccc, #999)
background: -webkit-gradient(linear, left top, left bottom, from(#ccc), to(#999))
-moz-box-shadow: 1px 1px 3px #333
-webkit-box-shadow: 1px 1px 3px #333
box-shadow: 1px 1px 3px #333
-webkit-border-top-left-radius:4px
-webkit-border-top-right-radius:4px
-moz-border-radius-topleft:4px
-moz-border-radius-topright:4px
-webkit-border-bottom-left-radius:4px
-webkit-border-bottom-right-radius:4px
-moz-border-radius-bottomleft:4px
-moz-border-radius-bottomright:4px
-o-border-radius:4px
-khtml-border-radius:4px
text-shadow: 0 1px 0 white
}
#menu ul {
margin-left:0
}
#menu ul li {
display:inline
}
#menu ul li a:link, a:visited {
text-align:centerfloat:leftwidth:6.8emtext-decoration:nonepadding:7.5px 0.75emfont-size:16pxfont-weight:boldmargin-top:0pxborder-right:1px solid #ccccolor: #454545
}
#menu ul li a:hover {
text-decoration:none
background:-webkit-gradient(linear, left top, left bottom, from(#333), to(#ccc))
background: -moz-linear-gradient(top, #333, #ccc)
-webkit-background-size:0 35px
color: #ddd
text-shadow: 0 1px 0 black
}
.text {
border:1px solid graywidth:150pxheight:17pxposition:relativetop:8pxleft:13pxfont-family:Arial
-webkit-border-top-left-radius:90px
-webkit-border-top-right-radius:90px
-moz-border-radius-topleft:90px
-moz-border-radius-topright:90px
-webkit-border-bottom-left-radius:90px
-webkit-border-bottom-right-radius:90px
-moz-border-radius-bottomleft:90px
-moz-border-radius-bottomright:90px
-o-border-radius:90px
-khtml-border-radius:90px
}
</style>
<script language="JavaScript" type="text/javascript">
(function()
{
if(!0)
return
var e = "abbr,article,aside,audio,bb,canvas,datagrid,datalist,details,dialog, eventsource,figure,footer,hgroup,header,mark,menu,meter,nav,output,progress,section,time,video".split(','),i=0,length=e.length
while(i<length)
{
document.createElement_x(e[i++])
}
})()
</script>
</head>
<body>
<menu id="menu"><form action="index.php" method="get">
<ul>
<li><a href="#" title="HomePage">HomePage</a></li>
<li><a href="#" title="Introuduce">Introuduce</a></li>
<li><a href="#" title="Products">Products</a></li>
<li><a href="#" title="My album">My album</a></li>
<li><a href="#" title="Shopping">Shopping</a></li>
<li><a href="#" title="Contact our">Contact our</a></li>
</ul>
<input type="search" class="text" value="search..." /></form>
</menu>
<body>
HTML5中可以通过IP,WIFI信息,GPS,来实现地理定位,当然相关精度也是有所不同,所以如果要精确导航就得使用GPS信息。
下面是一段HTML5结合百度地图API来获取位置的代码:
<div id="allmap"></div>当前定位地址:<a id="du-gps"></a><span></span></div><script>
var map = new BMap.Map("allmap")
var geolocation = new BMap.Geolocation()
geolocation.getCurrentPosition(function(r){
if(this.getStatus() == BMAP_STATUS_SUCCESS){
map.panTo(r.point)
//alert('您的位置:'+r.point.lng+','+r.point.lat)
var pt = r.point
var geoc = new BMap.Geocoder()
geoc.getLocation(pt, function(rs){
var addComp = rs.addressComponents
//alert(addComp.province + ", " + addComp.city + ", " + addComp.district + ", " + addComp.street + ", " + addComp.streetNumber)
$("#du-gps").text(addComp.district+addComp.street+addComp.streetNumber)
})
}
else {
alert('failed'+this.getStatus())
}
},{enableHighAccuracy: true})
</script>
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