地图坐标Base64转换数字坐标 

测试地图源码==百读Demo
<html>
<head>
</head>
<body>
   <script type="text/javascript" src="http://api.map.baidu.com/api?v=1.3"></script>
                <p>
                    <div id="container" style="width: 632px; height: 422px">
                    </div>
                </p>
                <script type="text/javascript">
                    var loadMap = function () {
                        var BaiduPoint = "MTE2LjU2MzkxNDk3NDgy,MzkuOTMxOTIzNTg3ODUy";
                        var map = new BMap.Map("container"); // 创建地图实例 
                        var point = new BMap.Point(BaiduPoint.split(",")[0], BaiduPoint.split(",")[1]); // 创建点坐标 
						//point.lng=121.17112780236;  point.lat=31.297584990778;
                        map.enableScrollWheelZoom();    //启用滚轮放大缩小，默认禁用
                        map.centerAndZoom(point, 15); // 初始化地图，设置中心点坐标和地图级别 

                        var marker = new BMap.Marker(point);  // 创建标注
                        map.addOverlay(marker);              // 将标注添加到地图中

                        var label = new BMap.Label("具体显示名称", { offset: new BMap.Size(20, -10) });
                        marker.setLabel(label); //添加百度label
                        map.addControl(new BMap.NavigationControl());  //添加默认缩放平移控件
                    };
                    loadMap();
                </script>
</body>
</html>

　　C# 转换 Base64为数字坐标。

 private string EncoreBase64(string str)
        {
            if (string.IsNullOrEmpty(str))
                return "";

            var point = str.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
            if (point.Length <= 0)
                return "";
            double p1;
            if (double.TryParse(point[0], out p1))
            {
                return str;
            }
            /*Base64解码*/
            var list = new List<string>();
            foreach (var item in point)
            {
                var bpath = Convert.FromBase64String(item);
                list.Add(ASCIIEncoding.Default.GetString(bpath));
            }
            return string.Join(",", list.ToArray());
        }

　　

posted @ 2015-05-05 15:22  Tube  阅读(741)  评论(0)  编辑  收藏  举报