(function() {
    var lng = $("#lng");
    var lat = $("#lat");
    //var city = $("#j_city");
    var address = $("#Text_webAddress");
    var map = new BMap.Map("map");
    var marker;
    var longitude = lng.val();
    var latitude = lat.val();
    if (longitude && latitude) {
        map.centerAndZoom(new BMap.Point(longitude, latitude), 12);
        marker = new BMap.Marker(new BMap.Point(longitude, latitude));
        map.addOverlay(marker);
    } else {
        var localcity = new BMap.LocalCity();
        localcity.get(function(e) {
            map.centerAndZoom(e.center, 12);
        });
    }
    map.addControl(new BMap.NavigationControl());
    map.enableScrollWheelZoom();
    $('#searchbtn').on('click',
    function() {
            var cityStr = "44030000";
            var addressStr = address.val();
            myGeo.getPoint(addressStr,
            function(point) {
                if (point) {
                    map.centerAndZoom(point, 16);
                    marker = new BMap.Marker(point);
                    map.addOverlay(marker);
                    marker.enableDragging();
                    lng.value = point.lng;
                    lat.value = point.lat;
                    marker.addEventListener("dragend",
                    function(e) {
                        lng.value = e.point.lng;
                        lat.value = e.point.lat;
                    });
                }
            },
            cityStr);
       
    })
    var myGeo = new BMap.Geocoder();
    var mkrTool = new BMapLib.MarkerTool(map, {
        autoClose: true,
        followText: "标注您的位置"
    });
    $('#addMarker').on('click',
    function() {
        mkrTool.open();
        map.removeOverlay(marker);
        marker.dispose();
        lng.val("");
        lat.val("");
    });
    mkrTool.addEventListener("markend",
    function(e) {
        marker = e.marker;
        lng.value = e.marker.getPosition().lng;
        lat.value = e.marker.getPosition().lat;
        marker.enableDragging();
        marker.addEventListener("dragend",
        function(e) {
            lng.val(e.point.lng);
            lat.val(e.point.lat);
        });
    });
})();