Demo如下 ak密钥跟百度申请一个就有了
<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{width: 100%;height: 100%;margin:0;font-family:"微软雅黑";}
#allmap{height:500px;width:100%;}
#r-result{width:100%; font-size:14px;}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=你的ak密钥"></script>
<title>城市名定位</title>
</head>
<body>
<div id="allmap"></div>
<div id="r-result">
地址: <input id="cityName" type="text" style="width:100px; margin-right:10px;" />
<input type="button" value="查询" οnclick="theLocation()" />
经度:<input type="text" id="jd"/>纬度<input type="text" id="wd"/>
</div>
</body>
</html>
<script type="text/javascript">
// 百度地图API功能
var map = new BMap.Map("allmap");
var point = new BMap.Point(116.331398,39.897445);
map.centerAndZoom('广州',11);
map.addEventListener("click",function(e){
var input = document.getElementById('wd');
var input2 = document.getElementById('jd');
input.value = e.point.lng;
input2.value= e.point.lat;
});
var local = new BMap.LocalSearch(map, {
renderOptions:{map: map}
});
function theLocation(){
var city = document.getElementById("cityName").value;
if(city != ""){
local.search(city);
}
}
</script>
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