直接輸入經緯度得到距離:http://blog.csdn.net/zhangquanok/article/details/12713577
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<!--切換城市部分 Begin-->
<style>
.cityList{height: 320px;width:372px;overflow-y:auto;}
.sel_container{position:absolute;top:0;font-size:12px;}
.map_popup {position: absolute;z-index: 200000;width: 382px;height: 344px;top:20px;}
.map_popup .popup_main { background:#fff;border: 1px solid #8BA4D8;height: 100%;overflow: hidden;position: absolute;width: 100%;z-index: 2;}
.map_popup .title {background: url("http://map.baidu.com/img/popup_title.gif") repeat scroll 0 0 transparent;
color: #6688CC;font-size: 12px;font-weight: bold;height: 24px;line-height: 25px;padding-left: 7px;}
.map_popup button {background: url("http://map.baidu.com/img/popup_close.gif") no-repeat scroll 0 0 transparent;
border: 0 none;cursor: pointer;height: 12px;position: absolute;right: 4px;top: 6px;width: 12px;}
</style>
<!--切換城市部分 End-->
<title>城市切換與測距+縮放</title>
<!--切換城市部分 Begin-->
<script type="text/javascript" src="http://api.map.baidu.com/api?v=1.2"></script>
<script type="text/javascript" src="http://api.map.baidu.com/library/DistanceTool/1.2/src/DistanceTool_min.js"></script>
<!--切換城市部分 End-->
<!--測距部分 Begin-->
<script type="text/javascript" src="http://api.map.baidu.com/library/CityList/1.2/src/CityList_min.js"></script>
<!--測距部分 End-->
<!--縮放部分 Begin ak:個人百度密鑰,在正式上線時要註冊公司密鑰進行切換-->
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=aaa561c7aaaa060baf565197c317aaa"></script>
<!--縮放部分 End-->
</head>
<body>
<div style="width:520px;height:340px;border:1px solid gray;margin-top:50px;" id="container">
</div>
<div class="sel_container"><strong id="curCity">北京市</strong> [<a id="curCityText" href="javascript:void(0)">更換城市</a>]</div>
<div class="map_popup" id="cityList" style="display:none;">
<div class="popup_main">
<div class="title">城市列表</div>
<div class="cityList" id="citylist_container"></div>
<button id="popup_close"></button>
</div>
</div>
<input type="button" value="開啓" οnclick="myDis.open();" />
<input type="button" value="關閉" οnclick="myDis.close()" />
<script type="text/javascript" >
// 新創建地圖
var map = new BMap.Map("container");
//116.404, 39.915:表示中心點的位置
//13表示縮放大小,數值越大表示顯示越詳細(朝陽,昌平),越小顯示就越廣泛(北京,上海),建議保持13
map.centerAndZoom(new BMap.Point(116.404, 39.915), 13);
// 測距部分 Begin
var myDis = new BMapLib.DistanceTool(map);
// 測距部分 End
//縮放部分 Begin
map.addControl(new BMap.NavigationControl()); //添加默認縮放平移控件
map.addControl(new BMap.NavigationControl({ anchor: BMAP_ANCHOR_TOP_RIGHT, type: BMAP_NAVIGATION_CONTROL_SMALL })); //右上角,僅包含平移和縮放按鈕
map.addControl(new BMap.NavigationControl({ anchor: BMAP_ANCHOR_BOTTOM_LEFT, type: BMAP_NAVIGATION_CONTROL_PAN })); //左下角,僅包含平移按鈕
map.addControl(new BMap.NavigationControl({ anchor: BMAP_ANCHOR_BOTTOM_RIGHT, type: BMAP_NAVIGATION_CONTROL_ZOOM })); //右下角,僅包含縮放按鈕
//縮放部分 End
// 創建CityList對象,並放在citylist_container節點內
var myCl = new BMapLib.CityList({ container: "citylist_container", map: map });
// 給城市點擊時,添加相關操作
myCl.addEventListener("cityclick", function (e) {
// 修改當前城市顯示
document.getElementById("curCity").innerHTML = e.name;
// 點擊後隱藏城市列表
document.getElementById("cityList").style.display = "none";
});
// 給“更換城市”鏈接添加點擊操作
document.getElementById("curCityText").onclick = function () {
var cl = document.getElementById("cityList");
if (cl.style.display == "none") {
cl.style.display = "";
} else {
cl.style.display = "none";
}
};
// 給城市列表上的關閉按鈕添加點擊操作
document.getElementById("popup_close").onclick = function () {
var cl = document.getElementById("cityList");
if (cl.style.display == "none") {
cl.style.display = "";
} else {
cl.style.display = "none";
}
};
</script>
</body>
</html>