1. <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="index.aspx.cs" Inherits="WebControl_DNet.index" %>
  2.  
  3. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  4.  
  5. <html>
  6.     <head>
  7.         <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  8.         <title>WebGis二次开发包实例</title>
  9.  
  10.         <style>
  11.             .ol-zoom .ol-zoom-out {
  12.                 margin-top: 204px;
  13.             }
  14.             .ol-zoomslider {
  15.                 background-color: transparent;
  16.                 top: 2.3em;
  17.             }
  18.  
  19.             .ol-touch .ol-zoom .ol-zoom-out {
  20.                 margin-top: 212px;
  21.             }
  22.             .ol-touch .ol-zoomslider {
  23.                 top: 2.75em;
  24.             }
  25.  
  26.             .ol-zoom-in.ol-has-tooltip:hover [role=tooltip],
  27.             .ol-zoom-in.ol-has-tooltip:focus [role=tooltip] {
  28.                 top: 3px;
  29.             }
  30.  
  31.             .ol-zoom-out.ol-has-tooltip:hover [role=tooltip],
  32.             .ol-zoom-out.ol-has-tooltip:focus [role=tooltip] {
  33.                 top: 232px;
  34.             }
  35.         </style>
  36.  
  37.         <!--引入jquery框架-->
  38.         <script type="text/javascript" src="js/jquery-easyui-1.4.2/jquery.min.js"></script>
  39.  
  40.         <!--引入easyui前端开发包-->
  41.         <script type="text/javascript" src="js/jquery-easyui-1.4.2/jquery.easyui.min.js"></script>
  42.         <script type='text/javascript' src='js/jquery-easyui-1.4.2/locale/easyui-lang-zh_CN.js'></script>
  43.         <link rel="stylesheet" type="text/css" href="js/jquery-easyui-1.4.2/themes/default/easyui.css">
  44.         <link rel="stylesheet" type="text/css" href="js/jquery-easyui-1.4.2/themes/icon.css">
  45.         <link rel="stylesheet" type="text/css" href="js/jquery-easyui-1.4.2/themes/color.css">
  46.  
  47.         <!--引入Openlayers地理信息系统开发包-->
  48.         <script type="text/javascript" src="js/Openlayers3.16.0/ol.js"></script>
  49.         <link rel="stylesheet" type="text/css" href="js/Openlayers3.16.0/ol.css">
  50.  
  51.         <!--引入地图列表扩展包-->
  52.         <script type="text/javascript" src="js/Openlayers3.16.0/plugins/maplist.js"></script>
  53.  
  54.         <!--引入测量控件扩展包-->
  55.         <script type="text/javascript" src="js/Openlayers3.16.0/plugins/measure.js"></script>
  56.         <link rel="stylesheet" type="text/css" href="js/Openlayers3.16.0/plugins/measure.css">
  57.  
  58.         <!--引入点对象包-->
  59.         <script type="text/javascript" src="js/Openlayers3.16.0/plugins/pointobject.js"></script>
  60.  
  61.         <!--引入popup提示样式-->
  62.         <link rel="stylesheet" type="text/css" href="js/Openlayers3.16.0/plugins/popup.css">
  63.  
  64.         <!--引入折线对象包-->
  65.         <script type="text/javascript" src="js/Openlayers3.16.0/plugins/lineobject.js"></script>
  66.  
  67.         <!--引入贝塞尔曲线包-->
  68.         <script type="text/javascript" src="js/Openlayers3.16.0/plugins/beziercurve.js"></script>
  69.  
  70.         <!--引入箭头线包-->
  71.         <script type="text/javascript" src="js/Openlayers3.16.0/plugins/arrowline.js"></script>
  72.  
  73.         <!--引入多边形包-->
  74.         <script type="text/javascript" src="js/Openlayers3.16.0/plugins/polygonobject.js"></script>
  75.  
  76.         <!--引入位置变换或拖动包-->
  77.         <script type="text/javascript" src="js/Openlayers3.16.0/plugins/drag.js"></script>
  78.  
  79.         <script>
  80.             /******************定义地图全局变量***************/
  81.             var map;  //定义地图对象
  82.             var proj = 'EPSG:4326';   //定义wgs84地图坐标系
  83.             var proj_m = 'EPSG:3857';   //定义墨卡托地图坐标系
  84.             var mapLayer, mapLayerlabel;  //定义图层对象
  85.             var source_measure, vector_measure;  //定义全局测量控件源和层
  86.             var source_point, vector_point;    //定义全局点对象源和层
  87.             var popup;  //定义全局变量popup
  88.             var source_zx, vector_zx;    //定义全局折线对象源和层
  89.             var l;  //定义一根全局折线
  90.             var source_bezier, vector_bezier;    //定义全局贝塞尔曲线对象源和层
  91.             var source_arrow, vector_arrow;    //定义全局箭头线对象源和层
  92.             var source_polygon, vector_polygon;    //定义全局多边形对象源和层
  93.             var source_circle, vector_circle;    //定义全局多边形对象源和层
  94.             var source_region, vector_region;    //定义全局多边形对象源和层
  95.             var source_draw, vector_draw;    //定义全局鼠标绘制对象源和层
  96.             var mapDragInteraction;       //定义拖动交互功能
  97.  
  98.             /******************地图初始化函数***************/
  99.             function initMap() {
  100.                 mapDragInteraction = new app.Drag();
  101.  
  102.                 //初始化map对象
  103.                 map = new ol.Map({
  104.                     target: 'map',
  105.                     projection: proj,
  106.                     interactions: ol.interaction.defaults().extend([mapDragInteraction]),
  107.                     view: new ol.View({
  108.                         center: ol.proj.transform([101.46912, 36.24274], proj, proj_m),
  109.                         zoom: 5
  110.                     })
  111.                 });
  112.  
  113.                 //初始化地图图层
  114.                 mapLayer = new ol.layer.Tile({
  115.                     source: source_google,
  116.                     projection: proj
  117.                 });
  118.                 //初始化标签图层
  119.                 mapLayerlabel = new ol.layer.Tile({
  120.                     source: null,
  121.                     projection: proj
  122.                 });
  123.  
  124.                 //将图层加载到地图对象
  125.                 map.addLayer(mapLayer);
  126.                 map.addLayer(mapLayerlabel);
  127.  
  128.                 //导航控件
  129.                 map.addControl(new ol.control.ZoomSlider());
  130.                 //鼠标位置控件
  131.                 map.addControl(new ol.control.MousePosition({
  132.                     projection: proj,
  133.                     coordinateFormat: function (coordinate) {
  134.                         var zoom = map.getView().getZoom();
  135.                         return '地图级别:' + zoom + ",  " + ol.coordinate.format(coordinate, '经度:{x}°,  纬度: {y}°', 10);
  136.                     }
  137.                 }));
  138.  
  139.                 //比例尺控件
  140.                 map.addControl(new ol.control.ScaleLine());
  141.  
  142.                 //全屏显示控件
  143.                 map.addControl(new ol.control.FullScreen());
  144.  
  145.                 //鹰眼图控件
  146.                 map.addControl(new ol.control.OverviewMap({
  147.                     tipLabel: "鹰眼图"
  148.                 }));
  149.  
  150.                 /*******************在地图初始化函数中初始化测量控件层************************/
  151.                 source_measure = new ol.source.Vector();
  152.                 vector_measure = new ol.layer.Vector({
  153.                     source: source_measure,
  154.                     style: new ol.style.Style({
  155.                         fill: new ol.style.Fill({
  156.                             color: 'rgba(255, 0, 0, 0.1)'
  157.                         }),
  158.                         stroke: new ol.style.Stroke({
  159.                             color: '#ff8080',
  160.                             width: 2
  161.                         })
  162.                     })
  163.                 });
  164.  
  165.                 map.addLayer(vector_measure);
  166.  
  167.                 /*******************在地图初始化函数中初始化点对象标注层************************/
  168.                 source_point = new ol.source.Vector();
  169.  
  170.                 vector_point = new ol.layer.Vector({
  171.                     source: source_point
  172.                 });
  173.  
  174.                 map.addLayer(vector_point);
  175.  
  176.                 /*******************在地图初始化函数中初始化折线对象标注层************************/
  177.                 source_zx = new ol.source.Vector();
  178.  
  179.                 vector_zx = new ol.layer.Vector({
  180.                     source: source_zx
  181.                 });
  182.  
  183.                 map.addLayer(vector_zx);
  184.  
  185.                 /*******************在地图初始化函数中初始化贝塞尔曲线标注层************************/
  186.                 source_bezier = new ol.source.Vector();
  187.  
  188.                 vector_bezier = new ol.layer.Vector({
  189.                     source: source_bezier
  190.                 });
  191.  
  192.                 map.addLayer(vector_bezier);
  193.  
  194.                 /*******************在地图初始化函数中初始化箭头线标注层************************/
  195.                 source_arrow = new ol.source.Vector();
  196.  
  197.                 vector_arrow = new ol.layer.Vector({
  198.                     source: source_arrow
  199.                 });
  200.  
  201.                 map.addLayer(vector_arrow);
  202.  
  203.                 /*******************在地图初始化函数中初始化多边形面标注层************************/
  204.                 source_polygon = new ol.source.Vector();
  205.  
  206.                 vector_polygon = new ol.layer.Vector({
  207.                     source: source_polygon
  208.                 });
  209.  
  210.                 map.addLayer(vector_polygon);
  211.  
  212.                 /*******************在地图初始化函数中初始化圆标注层************************/
  213.                 source_circle = new ol.source.Vector();
  214.  
  215.                 vector_circle = new ol.layer.Vector({
  216.                     source: source_circle
  217.                 });
  218.  
  219.                 map.addLayer(vector_circle);
  220.  
  221.                 /*******************在地图初始化函数中初始化多边形面标注层************************/
  222.                 source_region = new ol.source.Vector();
  223.  
  224.                 vector_region = new ol.layer.Vector({
  225.                     source: source_region
  226.                 });
  227.  
  228.                 map.addLayer(vector_region);
  229.  
  230.                 /*******************在地图初始化函数中初始化鼠标绘制标注层************************/
  231.                 source_draw = new ol.source.Vector();
  232.  
  233.                 vector_draw = new ol.layer.Vector({
  234.                     source: source_draw
  235.                 });
  236.  
  237.                 map.addLayer(vector_draw);
  238.  
  239.                 /************************在地图初始化时添加popup标记******************************/
  240.                 var container = document.getElementById('popup');
  241.                 var content = document.getElementById('popup-content');
  242.                 var closer = document.getElementById('popup-closer');
  243.  
  244.                 popup = new ol.Overlay(/** @type {olx.OverlayOptions} */({
  245.                     element: container,
  246.                     autoPan: true,
  247.                     autoPanAnimation: {
  248.                         duration: 250
  249.                     },
  250.                     offset: [0, -32]
  251.                 }));
  252.                 map.addOverlay(popup);
  253.  
  254.                 //为popup上的close按钮添加关闭事件
  255.                 closer.onclick = function () {
  256.                     popup.setPosition(undefined);
  257.                     closer.blur();
  258.                     return false;
  259.                 }
  260.  
  261.                 /*******************在图中监听pointermove事件************************/
  262.                 map.on('pointermove', pointerMoveHandler);  //在measure.js中实现pointerMoveHandler函数
  263.                 map.on('pointermove', function (e) {
  264.                     if (e.dragging) {
  265.                         popup.setPosition(undefined);
  266.                         closer.blur();
  267.                         return;
  268.                     }
  269.                 });
  270.  
  271.                 //添加地图单击事件
  272.                 map.on('singleclick', function (evt) {
  273.                     var feature = map.forEachFeatureAtPixel(evt.pixel, function (f) {
  274.                         return f;
  275.                     });
  276.                     if (feature && feature.get("id") != null && feature.get("lx") == "Point") {
  277.                         popup.setPosition(feature.getGeometry().getCoordinates());
  278.                         var strHtml = '<div style="width: 420px;height: 260px;">';
  279.                         strHtml += '<div style="width: 100%;height: 50px;font-family:幼圆;font-size: 24pt;line-height: 50px">' + feature.getStyle().getText().getText() + '</div>';
  280.                         strHtml += '<div style="width: 100%;height: 150px;"> ';
  281.                         strHtml += '<div style="width: 150px;height: 150px;float: left;"><img src="data:images/nodata.png" style="width: 100%;height: 100%;" /></div>';
  282.                         strHtml += '<div style="float: left;width: 230px;height: 110px;padding: 20px;font-size:12pt;">简述：这是一个点对象的测试示例，你可以根据需要定制出更多的弹出框版式。</div>';
  283.                         strHtml += '</div>';
  284.                         var jwd = ol.proj.transform([feature.get("lon"), feature.get("lat")], 'EPSG:3857', 'EPSG:4326');
  285.                         strHtml += '<div style="width: 100%;height: 60px; padding: 10px;color: gray;font-size: 11pt;font-family:幼圆;line-height: 25px;">';
  286.                         strHtml += '<div style="float: left;width: 48%;border-bottom: 1px gray dotted;"><div style="float: left;width: 80px;text-align: left">经度：</div><div style="float: right;width: 120px;text-align: right">' + parseInt(jwd[0] * 100000000) / 100000000 + '°</div></div>';
  287.                         strHtml += '<div style="float: right;width: 48%;border-bottom: 1px gray dotted;"><div style="float: left;width: 80px;text-align: left">纬度：</div><div style="float: right;width: 120px;text-align: right">' + parseInt(jwd[1] * 100000000) / 100000000 + '°</div></div>';
  288.                         strHtml += '<div style="float: left;width: 48%;border-bottom: 1px gray dotted;"><div style="float: left;width: 80px;text-align: left">地理位置：</div><div style="float: right;width: 120px;text-align: right">测试位置</div></div>';
  289.                         strHtml += '<div style="float: right;width: 48%;border-bottom: 1px gray dotted;"><div style="float: left;width: 80px;text-align: left">联系电话：</div><div style="float: right;width: 120px;text-align: right">185********</div></div>';
  290.                         strHtml += '</div>';
  291.                         strHtml += '</div>';
  292.                         content.innerHTML = strHtml;
  293.                         setPointPropertygrid(feature);
  294.                     } else {
  295.                         popup.setPosition(undefined);
  296.                         closer.blur();
  297.                     }
  298.                 });
  299.  
  300.             }
  301.  
  302.             /******************地图切换方法***************/
  303.             function changeBaseMap(sourcelist) {
  304.                 var cnt = sourcelist.length;
  305.                 if (1 == cnt) {
  306.                     mapLayer.setSource(sourcelist[0]);
  307.                     mapLayerlabel.setSource(null);
  308.                 } else if (2 == cnt) {
  309.                     mapLayer.setSource(sourcelist[0]);
  310.                     mapLayerlabel.setSource(sourcelist[1]);
  311.                 }
  312.             }
  313.  
  314.             /******************测量控件切换方法***************/
  315.             function startControl(control, self) {
  316.                 if (self.attr("class").indexOf("l-btn-plain-selected") >= 0) {
  317.                     $(".easyui-linkbutton").linkbutton("unselect");
  318.                     self.linkbutton("select");
  319.                     removeMeasure(source_measure);
  320.                     if ("line" == control || "area" == control) {
  321.                         addMeasure(control, source_measure);
  322.                     } else if ("rectSelect" == control) {
  323.                         addDrawOnMap("Box");
  324.                         drawonmap.on('drawend', function (evt) {
  325.                             var extent = evt.feature.getGeometry().getExtent()    //得到选中的区域
  326.                             var leftdownPoint = ol.proj.transform([extent[0], extent[1]], proj_m, proj);
  327.                             var rightupPoint = ol.proj.transform([extent[2], extent[3]], proj_m, proj);
  328.                             alert("左下坐标：" + leftdownPoint + "\n" + "右上坐标：" + rightupPoint);
  329.                         });
  330.                     } else if ("circleSelect" == control) {
  331.                         addDrawOnMap("Circle");
  332.                         drawonmap.on('drawend', function (evt) {
  333.                             var center = ol.proj.transform(evt.feature.getGeometry().getCenter(), proj_m, proj);
  334.                             var radius = evt.feature.getGeometry().getRadius();
  335.                             alert("圆心坐标：" + center + "\n" + "半径：" + radius);
  336.                         });
  337.                     }
  338.                 } else {
  339.                     self.linkbutton("unselect");
  340.                     removeMeasure(source_measure);
  341.                     clearDrawOnMap();
  342.                 }
  343.             }
  344.  
  345.             /*************************计算两点间的距离，p1,p2坐标为wgs84坐标******************************/
  346.             function getDistance(p1, p2) {
  347.                 var wgs84Sphere = new ol.Sphere(6378137);
  348.                 return wgs84Sphere.haversineDistance(p1, p2);
  349.             }
  350.  
  351.             /******************在地图上标记一个点对象***************/
  352.             //随机生成当前范围内的一个经纬度坐标，用于在地图上标点
  353.             function randomPointJWD() {
  354.                 var topleftPoint = map.getCoordinateFromPixel([10, 10]);
  355.                 var centerPoint = map.getView().getCenter();
  356.                 var bottomrightPoint = [centerPoint[0] + (centerPoint[0] - topleftPoint[0]), centerPoint[1] + (centerPoint[1] - topleftPoint[1])];
  357.                 var jd = topleftPoint[0] + (bottomrightPoint[0] - topleftPoint[0]) * Math.random();
  358.                 var wd = bottomrightPoint[1] + (topleftPoint[1] - bottomrightPoint[1]) * Math.random();
  359.                 return [jd, wd];
  360.             }
  361.  
  362.             //设置点对象属性值
  363.             function setPointPropertygrid(point) {
  364.                 var d = $('#pg_point').propertygrid("getData");
  365.                 d.rows[0].value = point.get('id');
  366.                 d.rows[1].value = point.get('lx');
  367.                 var p = ol.proj.transform([point.get('lon'), point.get('lat')], proj_m, proj);
  368.                 d.rows[2].value = Math.floor(p[0] * 100000000) / 100000000;
  369.                 d.rows[3].value = Math.floor(p[1] * 100000000) / 100000000;
  370.                 d.rows[4].value = point.getStyle().getImage().getOpacity();
  371.                 d.rows[5].value = point.getStyle().getImage().getScale();
  372.                 d.rows[6].value = point.getStyle().getImage().getRotateWithView();
  373.                 d.rows[7].value = point.getStyle().getImage().getRotation();
  374.                 d.rows[8].value = point.getStyle().getImage().getSrc();
  375.                 d.rows[9].value = point.getStyle().getText().getTextAlign();
  376.                 d.rows[10].value = point.getStyle().getText().getTextBaseline();
  377.                 d.rows[11].value = point.getStyle().getText().getFont();
  378.                 d.rows[12].value = point.getStyle().getText().getText();
  379.                 d.rows[13].value = point.getStyle().getText().getFill().getColor();
  380.                 for (var i = 0; i < d.total; i++) {
  381.                     $('#pg_point').propertygrid("refreshRow", i);
  382.                 }
  383.             }
  384.  
  385.             //添加一个点
  386.             var point_sl = 0;
  387.             //layer:{ol.source.Vector}:需要添加点对象的图层
  388.             //label:{string}:点对象名称
  389.             //iconname:{string}:点对象的图标名称
  390.             function addPoint(layer, label, iconname) {
  391.                 var p = randomPointJWD();
  392.                 var style = createStyle(1, 1, false, 0, "images/imgpoints/" + iconname, 'center', 'bottom', 'bold 12px 幼圆', label + point_sl, '#aa3300');
  393.                 var p = createPoint("point" + point_sl, "Point", p[0], p[1], style);
  394.                 layer.addFeature(p);
  395.                 setPointPropertygrid(p);
  396.                 point_sl++;
  397.             }
  398.  
  399.             //更新点对象属性值
  400.             //layer:{ol.source.Vector}:需要更新点对象的图层
  401.             function updatePoint(layer) {
  402.                 var d = $('#pg_point').propertygrid("getData");
  403.                 var f = layer.getFeatureById(d.rows[0].value);      //通过id在点图层上找到相应的Feature对象
  404.                 var style = createStyle(d.rows[4].value, d.rows[5].value, d.rows[6].value, d.rows[7].value, d.rows[8].value, d.rows[9].value, d.rows[10].value, d.rows[11].value, d.rows[12].value, d.rows[13].value);
  405.                 var jd = parseInt(d.rows[2].value * 100000000) / 100000000;
  406.                 var wd = parseInt(d.rows[3].value * 100000000) / 100000000;
  407.                 var jwd = ol.proj.transform([jd, wd], proj, proj_m);
  408.                 var p = createPoint(f.get("id"), f.get("lx"), jwd[0], jwd[1], style);  //根据新的属性重新构造一个点对象
  409.                 layer.removeFeature(f);  //删除老的点对象
  410.                 layer.addFeature(p);     //在图层上添加点对象
  411.             }
  412.  
  413.             /******************在地图上标记一个折线对象***************/
  414.             var timer_zx;
  415.             var zx_sl = 1;
  416.             function startDrawLine() {
  417.                 if (null == l) {
  418.                     var style = createLineStyle("black", 2, 'round', 'round');
  419.                     l = createLine("zxtest", "zx", [], style);
  420.                     source_zx.addFeature(l);
  421.                 }
  422.                 var coord;
  423.                 timer_zx = window.setInterval(function () {
  424.                     coord = randomPointJWD();
  425.                     l.getGeometry().appendCoordinate(coord);
  426.                     $("#zx_croodinates").html($("#zx_croodinates").html() + zx_sl++ + "." + ol.proj.transform(coord, proj_m, proj) + "<br>");
  427.                 }, 1000);
  428.             }
  429.  
  430.             function stopDrawLine() {
  431.                 window.clearInterval(timer_zx);
  432.             }
  433.  
  434.             function clearDrawLine() {
  435.                 stopDrawLine();
  436.                 source_zx.removeFeature(l);
  437.                 l = null;
  438.                 $("#zx_croodinates").html("");
  439.                 zx_sl = 1;
  440.             }
  441.  
  442.             /**************************绘制贝塞尔曲线*****************************/
  443.             function drawBezierCurve(n) {
  444.                 var arrPoints = [];
  445.                 for (var i = 0; i <= n; i++) {
  446.                     arrPoints.push(randomPointJWD());
  447.                 }
  448.                 var arrbline = createBezierCurvePoints(n, arrPoints);
  449.                 var style = createLineStyle("#ff0080", 2, 'round', 'round');
  450.                 var f = createLine("bezier_nj" + Math.random(), "bezier", arrbline, style);
  451.                 source_bezier.addFeature(f);
  452.             }
  453.  
  454.             function clearBezierCurve() {
  455.                 source_bezier.clear();
  456.             }
  457.  
  458.             /**************************绘制箭头线*****************************/
  459.             var arrow_sl = 0;
  460.             function drawArrowLine() {
  461.                 var arrarrow = createArrowPoints(map.getCoordinateFromPixel([300 + arrow_sl * 10, 350 + arrow_sl * 10]), map.getCoordinateFromPixel([500 + arrow_sl * 10, 500 + arrow_sl * 10]), map.getCoordinateFromPixel([700 + arrow_sl * 10, 300 + arrow_sl * 10]));
  462.                 var style = createLineStyle("#ff8000", 2, 'round', 'round');
  463.                 var f = createLine("arrow" + Math.random(), "arrow", arrarrow, style);
  464.                 source_arrow.addFeature(f);
  465.                 arrow_sl++;
  466.             }
  467.  
  468.             function clearArrowLine() {
  469.                 source_arrow.clear();
  470.             }
  471.  
  472.             /**************************绘制多边形区域*****************************/
  473.             function randomScreenPixel(r) {
  474.                 var centerSceenPixel = map.getPixelFromCoordinate(map.getView().getCenter()); //获取地图中心点的屏幕坐标
  475.                 var screenX = Math.floor(r + (centerSceenPixel[0] * 2 - 2 * r) * Math.random());
  476.                 var screenY = Math.floor(r + (centerSceenPixel[1] * 2 - 2 * r) * Math.random());
  477.                 return [screenX, screenY];
  478.             }
  479.  
  480.             function drawRegularPolygon(n) {
  481.                 var r = 100;   //定义正多边形外接圆的半径，单位是像素
  482.                 var centerScreenPolygon = randomScreenPixel(r);  //随机生成多边形外接圆圆心点像素坐标
  483.                 var arrPoints = new Array();
  484.                 //得到正多边形各个端点的像素坐标
  485.                 var cpx, cpy;
  486.                 for (var i = 0; i < n; i++) {
  487.                     cpx = Math.floor(r * Math.cos(i * 2 * Math.PI / n)) + centerScreenPolygon[0];
  488.                     cpy = Math.floor(r * Math.sin(i * 2 * Math.PI / n)) + centerScreenPolygon[1];
  489.                     arrPoints.push(map.getCoordinateFromPixel([cpx, cpy]));
  490.                 }
  491.                 arrPoints.push(arrPoints[0]);
  492.  
  493.                 var style = createPolygonStyle("#ff0080", 2, 'rgba(0, 255, 0, 0.2)');
  494.                 var f = createPolygon("polygon" + Math.random(), "polygon", [arrPoints], style);
  495.                 source_polygon.addFeature(f);
  496.             }
  497.  
  498.             function clearRegularPolygon() {
  499.                 source_polygon.clear();
  500.             }
  501.  
  502.             /**************************绘制圆形区域*****************************/
  503.             function drawCircle() {
  504.                 var center = randomPointJWD();
  505.                 var style = createPolygonStyle("#000080", 2, 'rgba(0, 0, 255, 0.2)');
  506.                 var f = createCircle("circle" + Math.random(), "circle", center, parseInt($("#txt_radius").textbox("getText")), style);
  507.                 source_circle.addFeature(f);
  508.             }
  509.  
  510.             function clearCircle() {
  511.                 source_circle.clear();
  512.             }
  513.  
  514.             /**************************在屏幕中间绘制集结地域*****************************/
  515.             var region_sl = 0;
  516.             function drawRegion() {
  517.                 var p1 = map.getCoordinateFromPixel([500 + region_sl * 10, 300 + region_sl * 10]);
  518.                 var p2 = map.getCoordinateFromPixel([660 + region_sl * 10, 250 + region_sl * 10]);
  519.                 var p3 = map.getCoordinateFromPixel([700 + region_sl * 10, 400 + region_sl * 10]);
  520.                 var style = createPolygonStyle("#800080", 2, 'rgba(200, 0, 255, 0.1)');
  521.                 var arrPoints = createRegionPoints(p1, p2, p3);
  522.                 var f = createPolygon("region" + Math.random(), "region", [arrPoints], style);
  523.                 source_region.addFeature(f);
  524.                 region_sl++;
  525.             }
  526.  
  527.             function clearRegion() {
  528.                 source_region.clear();
  529.             }
  530.  
  531.             /**************************用鼠标绘制各种图形*****************************/
  532.             var drawonmap; // global so we can remove it later
  533.             function addDrawOnMap(type) {   //The geometry type. One of 'Point', 'LineString', 'LinearRing', 'Polygon', 'MultiPoint', 'MultiLineString', 'MultiPolygon', 'GeometryCollection', 'Circle'.
  534.                 if (drawonmap) {
  535.                     map.removeInteraction(drawonmap);
  536.                 }
  537.                 if (type !== 'None') {
  538.                     var geometryFunction, maxPoints;
  539.                     if (type === 'Square') {
  540.                         type = 'Circle';
  541.                         geometryFunction = ol.interaction.Draw.createRegularPolygon(4);
  542.                     } else if (type === 'Box') {
  543.                         type = 'LineString';
  544.                         maxPoints = 2;
  545.                         geometryFunction = function (coordinates, geometry) {
  546.                             if (!geometry) {
  547.                                 geometry = new ol.geom.Polygon(null);
  548.                             }
  549.                             var start = coordinates[0];
  550.                             var end = coordinates[1];
  551.                             geometry.setCoordinates([
  552.                                 [start, [start[0], end[1]], end, [end[0], start[1]], start]
  553.                             ]);
  554.                             return geometry;
  555.                         };
  556.                     }
  557.  
  558.                     var style = createPolygonStyle("#808080", 2, 'rgba(200, 0, 255, 0.1)');
  559.                     drawonmap = new ol.interaction.Draw({
  560.                         source: source_draw,
  561.                         style: style,
  562.                         type: /** @type {ol.geom.GeometryType} */(type),
  563.                         geometryFunction: geometryFunction,
  564.                         maxPoints: maxPoints
  565.                     });
  566.                     map.addInteraction(drawonmap);
  567.                 }
  568.             }
  569.  
  570.             function clearDrawOnMap() {
  571.                 source_draw.clear();
  572.                 addDrawOnMap("None");
  573.             }
  574.  
  575.             /*****************************开启或关闭图上feature的拖动函数*******************************/
  576.             function dragChange(flag) {
  577.                 if (flag) {
  578.                     map.addInteraction(mapDragInteraction);
  579.                 } else {
  580.                     map.removeInteraction(mapDragInteraction);
  581.                 }
  582.             }
  583.  
  584.         </script>
  585.     </head>
  586.     <body onload="initMap()" class="easyui-layout" style="margin: 0;padding: 0;">
  587.         <div data-options="region:'north'" style="height:100px;overflow: hidden;background-image: url('images/bg_title.png');">
  588.             <img src="data:images/toptitle.png" style="width:1050px;height: 80px;margin-top: 10px;margin-left: 30px;" />
  589.         </div>
  590.         <div data-options="region:'center'" class="easyui-layout" style="border: none" >
  591.             <div data-options="region:'north'" style="height:35px;overflow: hidden;background-color: lightyellow">
  592.                 <div style="float:left;padding-top:3px;padding-left: 10px;border:none;font-size: 10pt;">
  593.                     <a id="btn_cljl" href="javascript:startControl('line',$('#btn_cljl'))" class="easyui-linkbutton" data-options="plain:true,iconCls:'icon-cj',toggle:true">测量距离</a>
  594.                     <a id="btn_clmj" href="javascript:startControl('area',$('#btn_clmj'))" class="easyui-linkbutton" data-options="plain:true,iconCls:'icon-cmj',toggle:true">测量面积</a>|
  595.                     <a id="btn_jxxz" href="javascript:startControl('rectSelect',$('#btn_jxxz'))" class="easyui-linkbutton" data-options="plain:true,iconCls:'icon-jxxz',toggle:true">矩形选择</a>
  596.                     <a id="btn_yxxz" href="javascript:startControl('circleSelect',$('#btn_yxxz'))" class="easyui-linkbutton" data-options="plain:true,iconCls:'icon-yxxz',toggle:true">圆形选择</a>|
  597.                     <input id="chk_point_drag" name="chk_point_drag" type="checkbox" checked="true" onchange="dragChange(this.checked)">可拖动&nbsp;|
  598.                     <a href="#" class="easyui-menubutton" data-options="plain:true,iconCls:'icon-dzdt',menu:'#menu_maplist'">在线地图</a>
  599.                     <a href="#" class="easyui-menubutton" data-options="plain:true,iconCls:'icon-wxdt',menu:'#menu_maplist_offline'">离线地图</a>
  600.                     <a id="export-png" href="#" download="map.png" class="easyui-linkbutton" data-options="plain:true,iconCls:'icon-print'">地图导出</a>|
  601.                     <a href="javascript:closeWindow();" class="easyui-linkbutton" data-options="plain:true,iconCls:'icon-no'">关闭</a>
  602.                 </div>
  603.                 <div id="div_measureoutput" style="float:right;padding-right: 10px;border:none ;font-size: 12pt;line-height: 35px;text-align: right;width: 230px;height: 35px;"></div>
  604.             </div>
  605.             <div data-options="region:'center'" class="easyui-layout">
  606.                 <div data-options="region:'west',collapsible:true" title="标图面板" style="width:270px;overflow: hidden;">
  607.                     <div class="easyui-accordion" style="width:100%;height:100%;">
  608.                         <div title="点对象" data-options="iconCls:'icon-addpoint'" style="padding:10px;">
  609.                             <div style="height:35px;width: 100%;    ">
  610.                                 <a class="easyui-menubutton c8" data-options="menu:'#menu_pointlist',iconCls:'icon-addpoint'">新增点对象</a>&nbsp;&nbsp;&nbsp;&nbsp;
  611.                                 <a class="easyui-linkbutton" href="javascript:updatePoint(source_point, 'pg_point')" data-options="iconCls:'icon-reload'">刷新当前点</a>
  612.                             </div>
  613.                             <div style="width:100%;">
  614.                                 <table id="pg_point" class="easyui-propertygrid" data-options="
  615.                                        data: {'total':14,'rows':[
  616.                                        {'name':'ID','value':'','group':'图形'},
  617.                                        {'name':'类型','value':'Point','group':'图形'},
  618.                                        {'name':'经度','value':'','group':'图形','editor':{type:'numberbox',options:{precision:8}}},
  619.                                        {'name':'纬度','value':'','group':'图形','editor':{type:'numberbox',options:{precision:8}}},
  620.                                        {'name':'透明度','value':'1','group':'图形','editor':{type:'numberbox',options:{precision:2}}},
  621.                                        {'name':'缩放比例','value':'1','group':'图形','editor':{type:'numberbox',options:{precision:2}}},
  622.                                        {'name':'跟随地图旋转','value':'false','group':'图形','editor':{type:'combobox',options:{valueField:'id',textField:'text',editable:false,panelHeight:'auto',data:[{'id':'true','text':'true'},{'id':'false','text':'false'}]}}},
  623.                                        {'name':'旋转角度','value':'0','group':'图形','editor':{type:'numberbox',options:{precision:2}}},
  624.                                        {'name':'图片地址','value':'','group':'图形','editor':'text'},
  625.                                        {'name':'水平位置','value':'left','group':'文字','editor':{type:'combobox',options:{valueField:'id',textField:'text',editable:false,panelHeight:'auto',data:[{'id':'left','text':'left'},{'id':'right','text':'right'},{'id':'center','text':'center'},{'id':'end','text':'end'},{'id':'start','text':'start'}]}}},
  626.                                        {'name':'垂直位置','value':'bottom','group':'文字','editor':{type:'combobox',options:{valueField:'id',textField:'text',editable:false,panelHeight:'auto',data:[{'id':'bottom','text':'bottom'},{'id':'top','text':'top'},{'id':'middle','text':'middle'},{'id':'alphabetic','text':'alphabetic'},{'id':'hanging','text':'hanging'},{'id':'ideographic','text':'ideographic'}]}}},
  627.                                        {'name':'字体','value':'bold 12px 幼圆','group':'文字','editor':'text'},
  628.                                        {'name':'内容','value':'','group':'文字','editor':'text'},
  629.                                        {'name':'颜色','value':'#ff0000','group':'文字','editor':'text'}
  630.                                        ]},
  631.                                        method: 'get',
  632.                                        showGroup: true,
  633.                                        scrollbarSize: 0,
  634.                                        showHeader:false,
  635.                                        columns: [[
  636.                                        {field:'name',title:'MyName',sortable:false},
  637.                                        {field:'value',title:'MyValue',width:170,resizable:false,formatter:function(value){
  638.                                        var s='<div>';
  639.                                        s += '<div style=\'float:right;width:18px;height:18px;background:'+value+'\'>&nbsp;</div>';
  640.                                        s += value;
  641.                                        s += '<div style=\'clear:both\'</div>';
  642.                                        s += '</div>';
  643.                                        return s;
  644.                                        } }
  645.                                        ]]
  646.                                        ">
  647.                                 </table>
  648.                             </div>
  649.                         </div>
  650.                         <div title="折线" data-options="iconCls:'icon-line_zx'" style="padding:10px;">
  651.                             <div style="height:30px;width: 100%;font-family: 幼圆;font-size: 12pt;text-align: center">
  652.                                 画连续折线
  653.                             </div>
  654.                             <div style="height:30px; width:100%;text-align: center">
  655.                                 <a class="easyui-linkbutton" href="javascript:startDrawLine()" data-options="iconCls:'icon-playstart'">开始</a>&nbsp;&nbsp;
  656.                                 <a class="easyui-linkbutton" href="javascript:stopDrawLine()" data-options="iconCls:'icon-playstop'">停止</a>&nbsp;&nbsp;
  657.                                 <a class="easyui-linkbutton" href="javascript:clearDrawLine()" data-options="iconCls:'icon-playrefresh'">清除</a>&nbsp;&nbsp;
  658.                             </div>
  659.                             <div id="zx_croodinates" style="height:80%;width: 100%;font-family: 幼圆;font-size: 12pt;text-align: center">
  660.  
  661.                             </div>
  662.                         </div>
  663.                         <div title="贝塞尔曲线" data-options="iconCls:'icon-line_bezier'" style="padding:10px;">
  664.                             <div style="height: 30px; width:100%;text-align: center">
  665.                                 <a id="bsl1" class="easyui-linkbutton" href="javascript:drawBezierCurve(2)">随机画二阶曲线</a>
  666.                             </div>
  667.                             <div style="height: 140px; width:100%;text-align: center">
  668.                                 <img src="data:images/bezier/2jbezier.gif" /><br>
  669.                                 B(t)=(1-t)<sup>2</sup>P<sub>0</sub>+2t(1-t)P<sub>1</sub>+t<sup>2</sup>P<sub>2</sub>,t∈[0,1]
  670.                             </div>
  671.                             <div style="height: 30px; width:100%;text-align: center">
  672.                                 <a id="bsl2" class="easyui-linkbutton" href="javascript:drawBezierCurve(3)">随机画三阶曲线</a>
  673.                             </div>
  674.                             <div style="height: 150px; width:100%;text-align: center">
  675.                                 <img src="data:images/bezier/3jbezier.gif"/><br>
  676.                                 B(t)=(1-t)<sup>3</sup>P<sub>0</sub>+3t(1-t)<sup>2</sup>P<sub>1</sub>+3t<sup>2</sup>(1-t)P<sub>2</sub>+t<sup>3</sup>P<sub>3</sub>,t∈[0,1]
  677.                             </div>
  678.                             <div style="height: 30px; width:100%;text-align: center">
  679.                                 <a class="easyui-linkbutton" href="javascript:clearBezierCurve()" data-options="iconCls:'icon-playrefresh'">清除</a>
  680.                             </div>
  681.                             <div style="height: 150px; width:100%;text-align: center">
  682.                                 <img src="data:images/bezier/njform.png" style="width:250px;height:181px"/><br>
  683.                             </div>
  684.                         </div>
  685.                         <div title="在屏幕中央画一个矢量箭头" data-options="iconCls:'icon-line_arrow'" style="padding:10px;text-align: center">
  686.                             <div style="height: 30px; width:100%;text-align: center">
  687.                                 <a class="easyui-linkbutton" href="javascript:drawArrowLine()">画箭头线</a>
  688.                                 <a class="easyui-linkbutton" href="javascript:clearArrowLine()" data-options="iconCls:'icon-playrefresh'">清除</a>
  689.                             </div>
  690.                             <div style="height: 150px; width:100%;text-align: center">
  691.                                 <img src="data:images/arrow/arrow.png" style="width:250px;height:181px"/><br>
  692.                             </div>
  693.                         </div>
  694.                         <div title="多边形" data-options="iconCls:'icon-line_zx'" style="padding:10px;">
  695.                             <div style="height:30px;width: 100%;font-family: 幼圆;font-size: 12pt;text-align: center">
  696.                                 随机生成点画多边形
  697.                             </div>
  698.                             <div style="height:30px; width:100%;text-align: center">
  699.                                 <select id="cc_polygon" class="easyui-combobox" data-options="valueField:'id',textField:'text',editable:false,panelHeight:'auto',data:[{'id':3,'text':'三边形','selected':true},{'id':4,'text':'四边形'},{'id':5,'text':'五边形'},{'id':6,'text':'六边形'},{'id':7,'text':'七边形'},{'id':8,'text':'八边形'},{'id':9,'text':'九边形'},{'id':10,'text':'十边形'}]" style="width:70px;"></select>
  700.                                 <a class="easyui-linkbutton" href="javascript:drawRegularPolygon($('#cc_polygon').combobox('getValue'))" data-options="iconCls:'icon-playstart'">随机画一个</a>&nbsp;&nbsp;
  701.                                 <a class="easyui-linkbutton" href="javascript:clearRegularPolygon()" data-options="iconCls:'icon-playrefresh'">清除</a>
  702.                             </div>
  703.                         </div>
  704.                         <div title="圆" data-options="iconCls:'icon-line_qyx'" style="padding:10px;">
  705.                             <div style="height:30px;width: 100%;font-family: 幼圆;font-size: 12pt;text-align: center">
  706.                                 随机画一个圆
  707.                             </div>
  708.                             <div style="height:30px;width: 100%;font-family: 幼圆;font-size: 12pt;text-align: center">
  709.                                 半径：<input id="txt_radius" class="easyui-textbox" style="width:100px">
  710.                             </div>
  711.                             <div style="height: 30px; width:100%;text-align: center">
  712.                                 <a class="easyui-linkbutton" href="javascript:drawCircle()" data-options="iconCls:'icon-playstart'">画一个圆</a>&nbsp;&nbsp;
  713.                                 <a class="easyui-linkbutton" href="javascript:clearCircle()" data-options="iconCls:'icon-playrefresh'">清除</a>
  714.                             </div>
  715.                         </div>
  716.                         <div title="在屏幕中央画一个集结地域" data-options="iconCls:'icon-line_qyx'" style="padding:10px;">
  717.                             <div style="height: 30px; width:100%;text-align: center">
  718.                                 <a class="easyui-linkbutton" href="javascript:drawRegion()" data-options="iconCls:'icon-playstart'">画集结地域</a>&nbsp;&nbsp;
  719.                                 <a class="easyui-linkbutton" href="javascript:clearRegion()" data-options="iconCls:'icon-playrefresh'">清除</a>
  720.                             </div>
  721.                             <div style="height: 150px; width:100%;text-align: center">
  722.                                 <img src="data:images/region/region.png" style="width:250px;height:181px"/><br>
  723.                             </div>
  724.                         </div>
  725.                         <div title="用鼠标绘制图形" data-options="iconCls:'icon-line_qyx'" style="padding:10px;">
  726.                             <div style="height: 30px; width:100%;text-align: center">
  727.                                 <a class="easyui-linkbutton" href="javascript:addDrawOnMap('Point')">画点</a>
  728.                                 <a class="easyui-linkbutton" href="javascript:addDrawOnMap('LineString')">画折线</a>
  729.                                 <a class="easyui-linkbutton" href="javascript:addDrawOnMap('Polygon')">画多边形</a>
  730.                                 <a class="easyui-linkbutton" href="javascript:addDrawOnMap('Circle')">画圆形</a>
  731.                                 <a class="easyui-linkbutton" href="javascript:addDrawOnMap('Square')">画正方形</a>
  732.                                 <a class="easyui-linkbutton" href="javascript:addDrawOnMap('Box')">画矩形</a>
  733.                                 <a class="easyui-linkbutton" href="javascript:clearDrawOnMap()" data-options="iconCls:'icon-playrefresh'">清除</a>
  734.                             </div>
  735.                         </div>
  736.                     </div>
  737.                 </div>
  738.                 <div data-options="region:'center'">
  739.                     <div style= "overflow: hidden;width:100%;height: 100%;" id="map">
  740.                         <div id="popup" class="ol-popup">
  741.                             <a href="#" id="popup-closer" class="ol-popup-closer"></a>
  742.                             <div id="popup-content"></div>
  743.                         </div>
  744.                     </div>
  745.                 </div>
  746.             </div>
  747.         </div>
  748.         <div id="menu_pointlist" style="width:150px;">
  749.             <div data-options="iconCls:'icon-point_jc'" onclick="addPoint(source_point, '机场', 'jc.png')">机场</div>
  750.             <div data-options="iconCls:'icon-point_gk'" onclick="addPoint(source_point, '港口', 'gk.png')">港口</div>
  751.             <div data-options="iconCls:'icon-point_ck'" onclick="addPoint(source_point, '仓库', 'ck.png')">仓库</div>
  752.             <div data-options="iconCls:'icon-point_yz'" onclick="addPoint(source_point, '加油站', 'yz.png')">加油站</div>
  753.             <div class="menu-sep"></div>
  754.             <div data-options="iconCls:'icon-point_zlsc'" onclick="addPoint(source_point, '自来水厂', 'zlsc.png')">自来水厂</div>
  755.             <div data-options="iconCls:'icon-point_qy'" onclick="addPoint(source_point, '企业', 'qy.png')">企业</div>
  756.             <div data-options="iconCls:'icon-point_cl'" onclick="addPoint(source_point, '车辆', 'cl.png')">车辆</div>
  757.             <div class="menu-sep"></div>
  758.             <div data-options="iconCls:'icon-point_bg'" onclick="addPoint(source_point, '宾馆', 'bg.png')">宾馆</div>
  759.             <div data-options="iconCls:'icon-point_cy'" onclick="addPoint(source_point, '餐饮', 'cy.png')">餐饮</div>
  760.             <div data-options="iconCls:'icon-point_tcc'" onclick="addPoint(source_point, '高速收费站', 'tcc.png')">高速收费站</div>
  761.             <div data-options="iconCls:'icon-point_jyz'" onclick="addPoint(source_point, '加油站', 'jyz.png')">加油站</div>
  762.             <div data-options="iconCls:'icon-point_jtd'" onclick="addPoint(source_point, '交通灯', 'jtd.png')">交通灯</div>
  763.             <div data-options="iconCls:'icon-point_yh'" onclick="addPoint(source_point, '银行', 'yh.png')">银行</div>
  764.             <div data-options="iconCls:'icon-point_yy'" onclick="addPoint(source_point, '医院', 'yy.png')">医院</div>
  765.             <div data-options="iconCls:'icon-point_poi'" onclick="addPoint(source_point, '兴趣点', 'poi.png')">兴趣点</div>
  766.         </div>
  767.         <div id="menu_maplist" style="width:150px;">
  768.             <div  onclick="changeBaseMap([source_google])">Google电子地图</div>
  769.             <div  onclick="changeBaseMap([source_googledx])">Google地形图</div>
  770.             <div  onclick="changeBaseMap([source_googlesat])">Google卫星地图</div>
  771.             <div class="menu-sep"></div>
  772.             <div  onclick="changeBaseMap([source_qq])">腾讯soso电子地图</div>
  773.             <div  onclick="changeBaseMap([source_qqdx, source_qqdxlabel])">腾讯soso地形图</div>
  774.             <div  onclick="changeBaseMap([source_qqsat, source_qqsatlabel])">腾讯soso卫星地图</div>
  775.             <div class="menu-sep"></div>
  776.             <div  onclick="changeBaseMap([source_baidu])">百度电子地图</div>
  777.             <div  onclick="changeBaseMap([source_baidusat, source_baidusatlabel])">百度卫星地图</div>
  778.             <div class="menu-sep"></div>
  779.             <div  onclick="changeBaseMap([source_gaode])">高德电子地图</div>
  780.             <div  onclick="changeBaseMap([source_gaodesat, source_gaodesatlabel])">高德卫星地图</div>
  781.             <div class="menu-sep"></div>
  782.             <div  onclick="changeBaseMap([source_tiandi, source_tiandilabel])">天地电子地图</div>
  783.             <div  onclick="changeBaseMap([source_tiandisat, source_tiandilabel])">天地卫星地图</div>
  784.         </div>
  785.         <div id="menu_maplist_offline" style="width:150px;">
  786.             <div  onclick="changeBaseMap([source_arcgis_offline])">arcgis瓦片电子地图</div>
  787.             <div  onclick="changeBaseMap([source_arcgissat_offline])">arcgis瓦片卫星地图</div>
  788.             <div class="menu-sep"></div>
  789.             <div  onclick="changeBaseMap([source_sqlite_offline])">Sqlite数据库电子地图</div>
  790.             <div  onclick="changeBaseMap([source_sqlitesat_offline])">Sqlite数据库卫星地图 </div>
  791.         </div>
  792.         <div id="win_tip" class="easyui-window" title="提示" style="width:700px;height:400px;overflow: hidden" data-options="iconCls:'icon-info',modal:true,collapsible:false,minimizable:false,maximizable:false,resizable:false,closed:true">
  793.             <div style="width: 100%;height: 30px;text-align: center;line-height: 30px;color: red;font-size: 12pt">当前浏览器可能不支持地图的导出功能，各类浏览器支持情况请看下图所示。</div>
  794.             <img src="data:images/browser.jpg" style="width:100%;height: 330px" />
  795.         </div>
  796.     </body>
  797. </html>

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