SGGL_SGY/SGGL/FineUIPro.Web/ProjectData/LocationSelect.aspx

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2025-02-19 15:58:42 +08:00
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="LocationSelect.aspx.cs" Inherits="FineUIPro.Web.ProjectData.LocationSelect" %>
<!DOCTYPE html>
<style>
body,
html,
#container {
overflow: hidden;
width: 100%;
height: 100%;
margin: 0;
font-family: "微软雅黑";
}
</style>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<link href="../res/css/common.css" rel="stylesheet" type="text/css" />
</head>
<body>
<form id="form1" runat="server">
<f:PageManager ID="PageManager1" AutoSizePanelID="RegionPanel1" runat="server" />
<f:RegionPanel ID="RegionPanel1" ShowBorder="false" runat="server" Margin="5px">
<Regions>
<f:Region ID="Region2" ShowBorder="false" ShowHeader="false" Position="Center" Layout="VBox"
BoxConfigAlign="Stretch" BoxConfigPosition="Left" runat="server" BodyPadding="0 5 0 0">
<Items>
<f:ContentPanel ID="ContentPanel1" CssClass="bodyregion" ShowBorder="false" ShowHeader="false" runat="server" Height="500px">
<div id="map" style="width:835px;height:500px"></div>
</f:ContentPanel>
<f:Form ID="SimpleForm1" ShowBorder="false" ShowHeader="false" AutoScroll="true"
BodyPadding="10px" runat="server" RedStarPosition="BeforeText" LabelAlign="Left">
<Toolbars>
<f:Toolbar ID="Toolbar1" Position="Bottom" ToolbarAlign="Right" runat="server">
<Items>
<f:ToolbarFill ID="ToolbarFill1" runat="server">
</f:ToolbarFill>
<f:Button ID="btnSave" ToolTip="保存" Icon="SystemSave" runat="server" Text=""
OnClick="btnSave_Click">
</f:Button>
</Items>
</f:Toolbar>
</Toolbars>
<Rows>
<f:FormRow>
<Items>
<f:TextBox ID="txtLoc" runat="server" Label="坐标" Required="true" LabelWidth="60px" ShowRedStar="true" FocusOnPageLoad="true" ></f:TextBox>
</Items>
</f:FormRow>
</Rows>
</f:Form>
</Items>
</f:Region>
</Regions>
</f:RegionPanel>
</form>
</body>
</html>
<link type="text/css" href="../../res/ol/ol.css" rel="stylesheet"/>
<script type="text/javascript" src="../../res/ol/ol.js" charset="utf-8"></script>
<script type="text/javascript" src="../../res/ol/bd09.js" charset="utf-8"></script>
<script type="text/javascript">
F.ready(function () {
var txtLoc = "<%=txtLoc.ClientID%>"
/*定义百度投影,这是实现无偏移加载百度地图离线瓦片核心所在。
网上很多相关资料在用OpenLayers加载百度地图离线瓦片时都认为投影就是EPSG:3857(也就是Web墨卡托投影)。
事实上这是错误的,因此无法做到无偏移加载。
百度地图有自己独特的投影体系必须在OpenLayers中自定义百度投影才能实现无偏移加载。
百度投影实现的核心文件为bd09.js在迈高图官网可以找到查看这个文件。*/
var projBD09 = new ol.proj.Projection({
code: 'BD:09',
extent: [-20037726.37, -11708041.66, 20037726.37, 12474104.17],
units: 'm',
axisOrientation: 'neu',
global: false
});
ol.proj.addProjection(projBD09);
ol.proj.addCoordinateTransforms("EPSG:4326", "BD:09",
function (coordinate) {
return lngLatToMercator(coordinate);
},
function (coordinate) {
return mercatorToLngLat(coordinate);
}
);
/*定义百度地图分辨率与瓦片网格*/
var resolutions = [];
for (var i = 0; i <= 18; i++) {
resolutions[i] = Math.pow(2, 18 - i);
}
var tilegrid = new ol.tilegrid.TileGrid({
origin: [0, 0],
resolutions: resolutions
});
/*加载百度地图离线瓦片不能用ol.source.XYZol.source.XYZ针对谷歌地图注意是谷歌地图而设计
而百度地图与谷歌地图使用了不同的投影、分辨率和瓦片网格。因此这里使用ol.source.TileImage来自行指定
投影、分辨率、瓦片网格。*/
var source = new ol.source.TileImage({
projection: "BD:09",
tileGrid: tilegrid,
tileUrlFunction: function (tileCoord, pixelRatio, proj) {
//openlayer5的版本
var z = tileCoord[0];
var x = tileCoord[1];
var y = tileCoord[2];
var projectCode = '<%=ProjectCode%>'
return '../../File/Map/' + projectCode + '/tiles/' + z + '/tile-' + x + '_' + y + '.png';
//return '../../File/Map/SD1-PC-2023-001/tiles/' + z + '/tile-' + x + '_' + y + '.png';
}
});
var mapLayer = new ol.layer.Tile({
source: source
});
let map = new ol.Map({
layers: [
mapLayer
],
view: new ol.View({
center: ol.proj.transform([5, 5], 'EPSG:4326', 'BD:09'),
projection: 'BD:09',
zoom: 5
}),
target: 'map'
});
var marker =null ;
var markerLayer =null;
var createLabelStyle = function (feature) {
return new ol.style.Style({
/**{olx.style.IconOptions}类型*/
image: new ol.style.Icon({
anchor: [0.5, 60],
anchorOrigin: 'top-right',
anchorXUnits: 'fraction',
anchorYUnits: 'pixels',
offsetOrigin: 'top-right',
// offset:[0,10],
//图标缩放比例
// scale:0.5,
//透明度
//opacity: 0.75,
//图标的url
src: '../File/Image/loc.png',
})
})
}
map.on('click', function (evt) {
//map.clearOverlays();
if (marker != null && markerLayer != null) {
markerLayer.getSource().removeFeature(marker);
}
var coordinate = evt.coordinate; //鼠标单击点的坐标
//新建一个要素ol.Feature
//实例化Vector要素通过矢量图层添加到地图容器中
var iconFeature = new ol.Feature({
geometry: new ol.geom.Point(coordinate),
})
marker = iconFeature;
iconFeature.setStyle(createLabelStyle(iconFeature))
//矢量标注的数据源
var vectorSource = new ol.source.Vector({
features: [iconFeature],
})
//矢量标注图层
var vectorLayer = new ol.layer.Vector({
source: vectorSource,
})
markerLayer = vectorLayer;
map.addLayer(vectorLayer)
F(txtLoc).setValue(coordinate[0] + ';' + coordinate[1])
});
var txtloc = F(txtLoc).getValue();
if (txtloc != null && txtloc != '') {
var lng = txtloc.split(";")[0];
var lat = txtloc.split(";")[1];
//实例化Vector要素通过矢量图层添加到地图容器中
var iconFeature = new ol.Feature({
geometry: new ol.geom.Point([Number(lng), Number(lat)]),
})
marker = iconFeature;
iconFeature.setStyle(createLabelStyle(iconFeature))
//矢量标注的数据源
var vectorSource = new ol.source.Vector({
features: [iconFeature],
})
//矢量标注图层
var vectorLayer = new ol.layer.Vector({
source: vectorSource,
})
markerLayer = vectorLayer;
map.addLayer(vectorLayer);
}
//var tileLayer = new BMap.TileLayer();
//tileLayer.getTilesUrl = function (tileCoord, zoom) {
// var x = tileCoord.x;
// var y = tileCoord.y;
// return '../File/Map/SD1-PC-2023-001/tiles/' + zoom + '/tile-' + x + '_' + y + '.png';
//}
//var MyMap = new BMap.MapType('MyMap', tileLayer, { minZoom: 3, maxZoom: 8 });
//var map = new BMap.Map('map', { mapType: MyMap });
//map.addControl(new BMap.NavigationControl( ));
//map.centerAndZoom(new BMap.Point(0, 0), 5);
////map.addEventListener('click', function (e) {
//// alert('点击位置经纬度:' + e.latlng.lng + ',' + e.latlng.lat);
//// // var marker1 = new BMap.Marker(new BMap.Point(e.latlng.lng, e.latlng.lat));
////// 在地图上添加点标记
////map.addOverlay(marker1);
////});
//map.addEventListener("click", function (e) {
// map.clearOverlays();
// var marker1 = new BMap.Marker(new BMap.Point(e.Dg.lng, e.Dg.lat));
// //// 在地图上添加点标记
// map.addOverlay(marker1);
// F( txtLoc).setValue(e.Dg.lng+';'+e.Dg.lat)
//}
//);
//var txtloc = F(txtLoc).getValue();
//if (txtloc != null && txtloc != '') {
// var lng = txtloc.split(";")[0];
// var lat = txtloc.split(";")[1];
// var marker1 = new BMap.Marker(new BMap.Point(lng, lat));
// //// 在地图上添加点标记
// map.addOverlay(marker1);
// }
});
</script>