openlayers-local.js"></script>

    <style type="text/css">
        #mapCon {
            width: 100%;
            height: 95%;
            position: absolute;
        }
        .checkbox {
            left: 5px;
            position: absolute;
            z-index: 1000;
            bottom: 5px;
        }

         /**
        * 提示框的样式信息
        */
        .tooltip {
            position: relative;
            background: rgba(0, 0, 0, 0.5);
            border-radius: 4px;
            color: