@{
    ViewBag.Title = "百度地图";
    Layout = "~/Views/Shared/_BaiduMap.cshtml";
}

<div class="main-div">
    <div id='allmap' style='width: 100%; height: 100%; position: absolute;'></div>
    <table cellspacing="1" width="100%" style="position: absolute;top: 20px;">
        <tr>
            <td>
                <span style="margin-left: 30px">关键字:</span>
                <input type="text" id="address" value="" />
                <input type="button" value="搜索" onclick="searchAddress()" />
            </td>
            <td></td>
            <td>经度</td>
            <td>
                <input type="text" name="lng" id="lng" value="" />
            </td>
            <td>纬度</td>
            <td>
                <input type="text" name="lat" id="lat" value="" />
            </td>
            <td>地址</td>
            <td>
                <input type='text' value='' name='sever_add' id='sever_add' readonly />
            </td>
        </tr>
    </table>
</div>

<script>
    function validate() {
        var sever_add = document.getElementsByName('sever_add')[0].value;
        if (isNull(sever_add)) {
            alert('请选择地址');
            return false;
        }
        return true;
    }

    //判断是否是空
    function isNull(a) {
        return (a == '' || typeof (a) == 'undefined' || a == null) ? true : false;
    }

    var map = new BMap.Map("allmap");
    var geoc = new BMap.Geocoder();   //地址解析对象
    var markersArray = [];
    var geolocation = new BMap.Geolocation();

    var point = new BMap.Point("@System.Configuration.ConfigurationManager.AppSettings["LngAndLat"].Split('|')[0]", "@System.Configuration.ConfigurationManager.AppSettings["LngAndLat"].Split('|')[1]");
    map.centerAndZoom(point, 12); // 中心点
    map.enableScrollWheelZoom(true); //开启鼠标滚轮缩放
    //geolocation.getCurrentPosition(function (r) {
    //    if (this.getStatus() == BMAP_STATUS_SUCCESS) {
    //        var mk = new BMap.Marker(r.point);
    //        map.addOverlay(mk);
    //        map.panTo(r.point);
    //        map.enableScrollWheelZoom(true);
    //    }
    //    else {
    //        alert('failed' + this.getStatus());
    //    }
    //}, { enableHighAccuracy: true })
    map.addEventListener("click", showInfo);
    var local = new BMap.LocalSearch(map, {
        renderOptions: { map: map }
    });
    //清除标识
    function clearOverlays() {
        if (markersArray) {
            for (i in markersArray) {
                map.removeOverlay(markersArray[i])
            }
        }
    }
    //地图上标注
    function addMarker(point) {
        var marker = new BMap.Marker(point);
        markersArray.push(marker);
        clearOverlays();
        map.addOverlay(marker);
    }
    //点击地图时间处理
    function showInfo(e) {
        document.getElementById('lng').value = e.point.lng;
        document.getElementById('lat').value = e.point.lat;
        geoc.getLocation(e.point, function (rs) {
            var addComp = rs.addressComponents;
            var address = addComp.province + addComp.city + addComp.district + addComp.street + addComp.streetNumber;
            document.getElementById('sever_add').value = address;
        });
        addMarker(e.point);
    }
    // 搜索地址
    function searchAddress() {
        var value = document.getElementById('address').value;
        if (!(value === "")) {
            local.search(value);
        }
    }

    // 返回数据
    function AcceptClick(callBack) {
        var lng = document.getElementById('lng').value;
        var lat = document.getElementById('lat').value;
        if (!(lng === "" || lat === "")) {
            callBack(document.getElementById('lng').value + "|" + document.getElementById('lat').value);
            dialogClose();
        }
    }
</script>