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百度地图Api进阶教程-实例高级操作8.html

<!DOCTYPE html><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>16.1</title> <script type=text/javascript src=http://www.mamicode.com/http://fw.qq.com/ipaddress></script> <script type="text/javascript">    var iscreatr = false; //是否创建    var map;  // 百度地图    var marker;  // 标注    var markX; // 标注x    var markY; // 标注y    //加载完地图回调    function initialize() {        //---------------------------------------------基础示例---------------------------------------------        map = new BMap.Map("allmap", { minZoom: 12, maxZoom: 20 });            // 创建Map实例        //map.centerAndZoom(new BMap.Point(116.4035,39.915),15);  //初始化时,即可设置中心点和地图缩放级别。        map.centerAndZoom("成都", 13);                     // 初始化地图,设置中心点坐标和地图级别。        map.enableScrollWheelZoom(true); //鼠标滑动轮子可以滚动        map.addEventListener("click", function (e) {            if (iscreatr == true) return;            //---------------------------------------------创建标注---------------------------------------------            iscreatr = true;               markX = e.point.lng;            markY = e.point.lat;            var point = new BMap.Point(e.point.lng, e.point.lat); //默认            // 创建标注对象并添加到地图              marker = new BMap.Marker(point);            var label = new BMap.Label("我是可以拖动的,右键取消的", { offset: new BMap.Size(20, -10) });            marker.setLabel(label)            map.addOverlay(marker);            marker.enableDragging();    //可拖拽            marker.addEventListener("dragend", function (e) {   //标注拖动事件                markX = e.point.lng;                markY = e.point.lat;                document.getElementById("r-result").innerHTML = e.point.lng + ", " + e.point.lat; //打印拖动结束坐标            });        });        //---------------------------------------------鼠标右键取消标注操作---------------------------------------------        var menu = new BMap.ContextMenu(); //右键菜单        var txtMenuItem = [  //右键菜单项目            {            text: 取消,            callback: function () {                map.removeOverlay(marker);                iscreatr = false;            }}        ];        for (var i = 0; i < txtMenuItem.length; i++) {            menu.addItem(new BMap.MenuItem(txtMenuItem[i].text, txtMenuItem[i].callback, 100)); //菜单添加项目        }        map.addContextMenu(menu);    }    function loadScript() {        var script = document.createElement("script");        script.src = "http://api.map.baidu.com/api?v=1.4&callback=initialize";        document.body.appendChild(script);    }    window.onload = loadScript;    //-------------------------------------    //切换地图    function changeType(value) {        map.setCenter(value);    }    //提交    function submit() {        if (iscreatr == true) {            alert(markX + ":" + markY);        }    }</script></head> <body>    <div id="r-result" style="float:left;width:100px;">打印坐标</div>    <div id="allmap" style="float:left;width: 800px; height: 500px"></div>    <div id="r-result" style="float:left;width:100px;">        <input type="button" onclick="submit()" value=http://www.mamicode.com/"提交" /></br>        切换城市:<select onchange="changeType(this.value)" >            <option value =http://www.mamicode.com/"北京">北京</option>            <option value =http://www.mamicode.com/"广州">广州</option>            <option value=http://www.mamicode.com/"成都">成都</option>        </select>    </div></body><script type="text/javascript">    // 移动到某点 map.panTo(new BMap.Point(116.409, 39.918));      // 移动到某城市    map.setCenter("广州");   //两秒后移动到广州    // map.setZoom(14);   //放到到14级</script>

 

百度地图Api进阶教程-实例高级操作8.html