前端定位组件

<!DOCTYPE html>
<html> 
<head> 
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 
    <title>前端定位模块</title> 
    <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no">
    <style>
        * {
            margin: 0;
            padding: 0;
            border: 0;
        }
        body {
            position: absolute;
             100%;
            height: 100%;
            text-align: center;
        }
        #pos-area {
            background-color: #009DDC;
            margin-bottom: 10px;
             100%;
            overflow: scroll;
            text-align: left;
            color: white;
        }
        #demo {
            padding: 8px;
            font-size: small;
        }
        #btn-area {
            height: 100px;
        }
        button {
            margin-bottom: 10px;
            padding: 12px 8px;
             42%;
            border-radius: 8px;
            background-color: #009DDC;
            color: white;
        }
    </style>
<script type="text/javascript" src="https://apis.map.qq.com/tools/geolocation/min?key=OB4BZ-D4W3U-B7VVO-4PJWW-6TKDJ-WPB77&referer=myapp"></script>
</head>
<body>
    <div id="pos-area">
        <p id="demo">点击下面的按钮，获得对应信息：<br /></p>
    </div>
  
    <div id="btn-area">
        <button onClick="getCurLocation()">获取精确定位信息</button>
        <button onClick="geolocation.getIpLocation(showPosition, showErr)">获取粗糙定位信息</button>
        <button onClick="showWatchPosition()">开始监听位置</button>
        <button onClick="showClearWatch()">停止监听位置</button>
    </div>
     
    <script type="text/JavaScript">
        var geolocation = new qq.maps.Geolocation();
 
 
        document.getElementById("pos-area").style.height = (document.body.clientHeight - 110) + 'px';
  
        var options = {timeout: 9000};
        var positionNum = 0;
 
        function getCurLocation() {
            geolocation.getLocation(showPosition, showErr, options);
        }
　　　　//成功的回调
        function showPosition(position) {
            positionNum ++;
            document.getElementById("demo").innerHTML += "序号：" + positionNum;
            document.getElementById("demo").appendChild(document.createElement('pre')).innerHTML = JSON.stringify(position, null, 4); // js json 转 字符串 json
            document.getElementById("pos-area").scrollTop = document.getElementById("pos-area").scrollHeight;
            var obj = JSON.parse( JSON.stringify(position, null, 4) );// 字符串 json 转 json 对象（数据）
            alert(obj.province + obj.city + obj.district) // 获取省市区
        };
　　　　//失败回调
        function showErr() {
            positionNum ++;
            document.getElementById("demo").innerHTML += "序号：" + positionNum;
            document.getElementById("demo").appendChild(document.createElement('p')).innerHTML = "定位失败！";
            document.getElementById("pos-area").scrollTop = document.getElementById("pos-area").scrollHeight;
        };

     function showWatchPosition() {
         document.getElementById("demo").innerHTML += "开始监听位置！<br /><br />";
         geolocation.watchPosition(showPosition);
         document.getElementById("pos-area").scrollTop = document.getElementById("pos-area").scrollHeight;
     };

     function showClearWatch() {
         geolocation.clearWatch();
         document.getElementById("demo").innerHTML += "停止监听位置！<br /><br />";
         document.getElementById("pos-area").scrollTop = document.getElementById("pos-area").scrollHeight;
     };
    </script>
</body>
</html>
注意：有跨域问题，最好降低浏览器的安全等级。
效果如下：
原文及详细说明： http://lbs.qq.com/tool/component-geolocation.html
前端 定位组件

前端定位组件
