获取json数据后在地图上打点，根据 json不断移动点的位置

<?php

echo <<<_END

<!doctype html>

<html>

<head>

    <meta charset="utf-8">

    <meta http-equiv="X-UA-Compatible" content="IE=edge">

    <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">

    <title>点标记</title>

    <link rel="stylesheet" href="http://cache.amap.com/lbs/static/main1119.css"/>

    <style>

        .marker {

            color: #ff6600;

            padding: 4px 10px;

            border: 1px solid #fff;

            white-space: nowrap;

            font-size: 12px;

            font-family: "";

            background-color: #0066ff;

        }

    </style>

    <script src="http://webapi.amap.com/maps?v=1.3&key=您申请的key值"></script>

    <script type="text/javascript" src="http://cache.amap.com/lbs/static/addToolbar.js"></script>

</head>

<body>

<div id="container"></div>

<script>

    var marker, map = new AMap.Map("container", {

        resizeEnable: true,

        center: [126.60580555556, 45.702363888889],

        zoom: 13

    });

    var getJSON = function(url) {

      return new Promise(function(resolve, reject) {

        var xhr = new XMLHttpRequest();

        xhr.open('get', url, true);

        xhr.responseType = 'json';

        xhr.onload = function() {

          var status = xhr.status;

          if (status == 200) {

            resolve(xhr.response);

          } else {

            reject(status);

          }

        };

        xhr.send();

      });

    };

    getJSON('http://web.cellpies.com/api/driving/getVehicleLocationPoints?vehicleDeviceId=0400000000030603&timeType=4&startTime=2017-03-17%2013:00:00&stopTime=2017-03-17%2014:00:00').then(function(jdata) {

        //alert('Your Json result is:  ' + jdata); //you can comment this, i used it to debug

        //alert(jdata.data[0].gpsx);

        //alert(jdata.data[0].gpsy);

        window.i=0;

        //addMarker(jdata.data[i].gpsx,jdata.data[i].gpsy);

        setInterval(function () { addMarker(jdata.data[window.i].gpsx,jdata.data[window.i].gpsy); },"1000");

    }, function(status) { //error detection....

      alert('Something went wrong.');

    });

    // 实例化点标记

 function addMarker(v1,v2) {

     window.i+=10;

        marker = new AMap.Marker({

            icon: "http://webapi.amap.com/theme/v1.3/markers/n/mark_b.png",

            position: [v1,v2]

        });

        marker.setMap(map);

    }

</script>

</body>

</html>

</script>

</body>

</html>

_END;

?>

效果图

-----------------------------------------------------------------------更新---------------------------------------------------------

去掉连续显示多个点，每次只显示一个点

<?php

echo<<<_END

<!doctype html>

<html>

<head>

    <meta charset="utf-8">

    <meta http-equiv="X-UA-Compatible" content="IE=edge">

    <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">

    <title>点标记</title>

    <link rel="stylesheet" href="http://cache.amap.com/lbs/static/main1119.css"/>

    <style>

        .marker {

            color: #ff6600;

            padding: 4px 10px;

            border: 1px solid #fff;

            white-space: nowrap;

            font-size: 12px;

            font-family: "";

            background-color: #0066ff;

        }

    </style>

    <script src="http://webapi.amap.com/maps?v=1.3&key=您申请的key值"></script>

    <script type="text/javascript" src="http://cache.amap.com/lbs/static/addToolbar.js"></script>

</head>

<body>

<div id="container"></div>

<script>

    var marker, map = new AMap.Map("container", {

        resizeEnable: true,

        center: [126.60580555556, 45.702363888889],

        zoom: 13

    });

    var getJSON = function(url) {

      return new Promise(function(resolve, reject) {

        var xhr = new XMLHttpRequest();

        xhr.open('get', url, true);

        xhr.responseType = 'json';

        xhr.onload = function() {

          var status = xhr.status;

          if (status == 200) {

            resolve(xhr.response);

          } else {

            reject(status);

          }

        };

        xhr.send();

      });

    };

    getJSON('http://web.cellpies.com/api/driving/getVehicleLocationPoints?vehicleDeviceId=0400000000030603&timeType=4&startTime=2017-03-17%2013:00:00&stopTime=2017-03-17%2014:00:00').then(function(jdata) {

        addMarker(jdata.data[0].gpsx,jdata.data[0].gpsy);

        window.i=1;

        //updateMarker(jdata.data[1].gpsx,jdata.data[1].gpsy);

        setInterval(function () { updateMarker(jdata.data[window.i].gpsx,jdata.data[window.i].gpsy); },"1000");

    }, function(status) { //error detection....

      alert('Something went wrong.');

    });

    // 实例化点标记

 function addMarker(v1,v2) {

        marker = new AMap.Marker({

            icon: "http://webapi.amap.com/theme/v1.3/markers/n/mark_b.png",

            position: [v1,v2]

        });

        marker.setMap(map);

    }

      function updateMarker(v1,v2) {

        //在地图上更新标记

        // 自定义点标记内容

        window.i+=10;

        var markerContent = document.createElement("div");

        // 点标记中的图标

        var markerImg = document.createElement("img");

        markerImg.className = "markerlnglat";

        markerImg.src = "http://webapi.amap.com/theme/v1.3/markers/n/mark_r.png";

        markerContent.appendChild(markerImg);

        // 点标记中的文本

        var markerSpan = document.createElement("span");

        markerSpan.className = 'marker';

        markerSpan.innerHTML = "Hi，我换新装备啦！";

        markerContent.appendChild(markerSpan);

        marker.setContent(markerContent); //更新点标记内容

        marker.setPosition([v1,v2]); //更新点标记位置

    }

</script>

</body>

</html>

</script>

</body>

</html>

_END;

?>

涉及setInterval传参的问题。

发现用addMarker(jdata.data[i].gpsx,jdata.data[i].gpsy);时程序可正常运行，但是将该函数放到setInterval中后却出现了问题，可通过闭包解决。

巴特西

获取json数据后在地图上打点，根据 json不断移动点的位置

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巴特西

获取json数据后在 地图上打点，根据 json不断移动点的位置

最新文章

热门文章

获取json数据后在地图上打点，根据 json不断移动点的位置