<!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://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="提交" /></br>
切换城市：<select onchange="changeType(this.value)" >
<option value ="北京">北京</option>
<option value ="广州">广州</option>
<option value="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>
