ASP.NET Google Maps Javascript API V3 实战基础篇一自定义控件示例

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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Control_Custom.aspx.cs"
    Inherits="Samples.Controls.Control_Custom" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>自定义控件示例</title>
    <style type="text/css">
        #maps
        {
            height: 450px;
        }
    </style>

    <script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false&language=zh-CN"></script>

    <script type="text/javascript" language="javascript">
        var map;
        var chicago = new google.maps.LatLng(41.850033, -87.6500523);
        /**  * The HomeControl adds a control to the map that simply  * returns the user to Chicago. This constructor takes  * the control DIV as an argument.  */
        //创建控件,显示文本为Home,Title 为 click to set the map to Home,点击控件时将地图中心设置为芝加哥
        function HomeControl(controlDiv, map) {
            controlDiv.style.padding = "5px";
            var controlUI = document.createElement("DIV");
            controlUI.style.backgroundColor = "white";
            controlUI.style.borderStyle = "solid";
            controlUI.style.borderWidth = "2px";
            controlUI.style.cursor = "pointer";
            controlUI.style.textAlign = "center";
            controlUI.title = "click to set the map to Home";
            controlDiv.appendChild(controlUI);
            var controlText = document.createElement("DIV");
            controlText.style.fontFamily = "Arial,sans-serif";
            controlText.style.fontSize = "12px";
            controlText.style.paddingLeft = "4px";
            controlText.style.paddingRight = "4px";
            controlText.innerHTML = "Home";
            controlUI.appendChild(controlText);
            google.maps.event.addDomListener(controlUI, 'click', function() {
                map.setCenter(chicago); //绑定控件的Click事件,点击时设置地图中心为芝加哥
            });

        }
        //地图初始化函数
        function initialize() {
            var mapDiv = document.getElementById("maps");
            var Options = {
                zoom: 12, center: chicago, mapTypeId: google.maps.MapTypeId.ROADMAP
            }
            map = new google.maps.Map(mapDiv, Options); //创建地图实例
            var homeControlDiv = document.createElement("DIV"); //创建控件容器
            var homeControl = new HomeControl(homeControlDiv, map); //创建控件并放置到容器中
            homeControlDiv.index = 1; //设置容器的index属性
            map.controls[google.maps.ControlPosition.TOP_RIGHT].push(homeControlDiv); //将装有自定义控件的容器放置在地图顶部右侧
        }
        google.maps.event.addDomListener(window, "load", initialize); //将地图初始化函数绑定到window的load事件
    </script>

</head>
<body>
    <form id="form1" runat="server">
    <div id="maps">
    </div>
    </form>
</body>
</html>

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