这里有新鲜出炉的 Javascript 教程,程序狗速度看过来!
Javascript 是一种由 Netscape 的 LiveScript 发展而来的原型化继承的基于对象的动态类型的区分大小写的客户端脚本语言,主要目的是为了解决服务器端语言,比如 Perl,遗留的速度问题,为客户提供更流畅的浏览效果。
本篇文章由 phperz 小编给大家分享的基于 Arcgis for javascript 实现百度地图 ABCD marker 的效果,需要的朋友一起学习吧
先给大家展示实现后效果:
为直观期间,先贴出来我做的效果
列表展示和地图展示以及联动
显示信息
实现思路:
1、列表与地图的互动
鼠标经过列表时,修改列表图标,并根据列表返回的值在地图上绘蓝色的 marker;鼠标移出,修改列表图标为红色,清空地图 marker 图层。
关键代码:
- title.on("mouseover",
- function() {
- var attr = $(this).data("attr");
- $("#icon" + attr.id).css("background", "url('images/blue.png')");
- var pt = new Point(attr.x, attr.y, {
- "wkid": 4326
- });
- var pms = new esri.symbol.PictureMarkerSymbol("images/blue.png", 24, 26) var gImg = new Graphic(pt, pms);
- gLyrHover.add(gImg);
- });
- title.on("mouseout",
- function() {
- var attr = $(this).data("attr");
- $("#icon" + attr.id).css("background", "url('images/red.png')");
- gLyrHover.clear();
- });
2、地图与列表的互动
鼠标经过地图红色的 marker 时,修改对应列表图标,并将红色 marker 的图片换成蓝色的;鼠标移出,修改对应列表图标,并修改 marker 为红色。
关键代码:
- gLyr.on("mouse-over",
- function(e) {
- map.setMapCursor("pointer");
- var sms = e.graphic.symbol;
- sms.url = "images/blue.png";
- gLyr.redraw();
- $("#icon" + e.graphic.attributes.id).css("background", "url('images/blue.png')");
- });
- gLyr.on("mouse-out",
- function(e) {
- map.setMapCursor("default");
- var sms = e.graphic.symbol;
- sms.url = "images/red.png";
- gLyr.redraw();
- $("#icon" + e.graphic.attributes.id).css("background", "url('images/red.png')");
- });
3、地图上 ABCD 的文字是一个单独的图层,不参与互动。
4、数据以 JSON 形式存在。
- var data = [{
- "id": "A",
- "name": "拉萨",
- "x": 91.162998,
- "y": 29.71042,
- "desc": "拉萨是中国西藏自治区的首府,西藏的政治、经济、文化和宗教中心,也是藏传佛教圣地。"
- },
- {
- "id": "B",
- "name": "西宁",
- "x": 101.797303,
- "y": 36.593642,
- "desc": "西宁是青海省的省会,古称西平郡、青唐城,取"西陲安宁"之意,是整个青藏高原最大的城市。"
- },
- {
- "id": "C",
- "name": "兰州",
- "x": 103.584297,
- "y": 36.119086,
- "desc": "兰州,甘肃省省会,西北地区重要的工业基地和综合交通枢纽,西部地区重要的中心城市之一,丝绸之路经济带的重要节点城市。"
- },
- {
- "id": "D",
- "name": "成都",
- "x": 104.035508,
- "y": 30.714179,
- "desc": "成都,简称蓉,四川省省会,1993年被国务院确定为西南地区的科技、商贸、金融中心和交通、通讯枢纽。"
- }];
完整代码:
- <!DOCTYPE html>
- <html>
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
- <meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no"/>
- <title></title>
- <link rel="stylesheet" href="http://localhost/arcgis_js_api/library/3.9/3.9/js/esri/css/esri.css">
- <style type="text/css">
- html, body, #map {
- height: 100%;
- margin: 0;
- padding: 0;
- font-size: 62.5%;
- font-family:"微软雅黑";
- }
- .search-box{
- z-index: 99;
- background: #fff;
- border: 1px solid #888888;
- border-radius: 5px;
- width: 220px;
- max-height:600px;
- overflow-y: auto;
- position: absolute;
- top: 120px;
- left: 10px;
- }
- .search-box-title{
- padding: 6px 10px;
- text-align: left;
- font-size: 13px;
- font-weight: bold;
- color: #f2f2f2;
- background: #85b0db;
- }
- .search-box-result{
- list-style: none;
- margin-left:-40px;
- margin-top: 0px;
- }
- .search-box-result-item{
- border-bottom: 1px solid #eeeeee;
- padding: 5px 8px;
- }
- .search-name{
- float: right;
- font-weight: bold;
- font-size: 13px;
- margin-top: 3px;
- margin-right: 10px;
- }
- .search-name-title{
- background: #f2f2f2;
- }
- .search-name-title:hover{
- cursor: pointer;
- }
- .search-detail{
- border-top: 1px dashed #eeeeee;
- margin-top: 3px;
- padding: 3px 5px;
- line-height: 18px;
- }
- .search-icon{
- background: url("images/red.png");
- width: 24px;
- height: 26px;
- background-repeat: no-repeat;
- }
- .search-text{
- color: #ffffff;
- font-weight: bold;
- font-size: 16px;
- margin-left:7px ;
- }
- .detail{
- color: #85b0db;
- font-weight: bold;
- text-align: right;
- }
- .detail:hover{
- cursor: pointer;
- }
- </style>
- <script src="http://localhost/arcgis_js_api/library/3.9/3.9/init.js"></script>
- <script src="jquery-1.8.3.js"></script>
- <script type="text/javascript">
- var map;
- var data = [
- {
- "id":"A","name":"拉萨", "x":91.162998, "y":29.71042,
- "desc":"拉萨是中国西藏自治区的首府,西藏的政治、经济、文化和宗教中心,也是藏传佛教圣地。"
- },
- {
- "id":"B", "name":"西宁","x":101.797303,"y":36.593642,
- "desc":"西宁是青海省的省会,古称西平郡、青唐城,取"西陲安宁"之意,是整个青藏高原最大的城市。"
- },
- {
- "id":"C","name":"兰州","x":103.584297,"y":36.119086,
- "desc":"兰州,甘肃省省会,西北地区重要的工业基地和综合交通枢纽,西部地区重要的中心城市之一,丝绸之路经济带的重要节点城市。"
- },
- {
- "id":"D","name":"成都","x":104.035508,"y":30.714179,
- "desc":"成都,简称蓉,四川省省会,1993年被国务院确定为西南地区的科技、商贸、金融中心和交通、通讯枢纽。"
- }
- ];
- require([
- "esri/map",
- "esri/layers/ArcGISTiledMapServiceLayer",
- "esri/geometry/Point",
- "esri/layers/GraphicsLayer",
- "esri/graphic",
- "dojo/_base/Color",
- "dojo/domReady!"],
- function(Map,
- Tiled,
- Point,
- GraphicsLayer,
- Graphic,
- Color)
- {
- map = new Map("map",{logo:false});
- var tiled = new Tiled("http://localhost:6080/arcgis/rest/services/china/MapServer",{"id":"tiled"});
- map.addLayer(tiled);
- var mapCenter = new Point(103.847, 36.0473, {"wkid":4326});
- map.centerAndZoom(mapCenter,0);
- var gLyr = new GraphicsLayer({"id":"gLyr"});
- map.addLayer(gLyr);
- var gLyrHover = new GraphicsLayer({"id":"gLyrHover"});
- map.addLayer(gLyrHover);
- var gLyrLbl = new GraphicsLayer({"id":"gLyrLbl"});
- map.addLayer(gLyrLbl);
- map.on("load",function(){
- $("#search").show();
- for(var i=0;i<data.length;i++){
- var li = $("<li />").addClass("search-box-result-item").appendTo($("#result"));
- var name = $("<div />").addClass("search-name").html(data[i].name);
- var icon = $("<div />").addClass("search-icon")
- .attr("id","icon"+data[i].id)
- .append("<div class='search-text'>"+data[i].id+"</div>");
- var title = $("<div />").addClass("search-name-title")
- .append(name).append(icon).appendTo(li)
- .data("attr",data[i]);
- var desc = $("<div />").addClass("search-detail").html(data[i].desc).appendTo(li);
- var more = $("<div />").addClass("detail").appendTo(li).html(">>详细");
- title.on("mouseover",function(){
- var attr = $(this).data("attr");
- $("#icon"+attr.id).css("background","url('images/blue.png')");
- var pt=new Point(attr.x,attr.y,{"wkid":4326});
- var pms = new esri.symbol.PictureMarkerSymbol("images/blue.png",24,26)
- var gImg = new Graphic(pt,pms);
- gLyrHover.add(gImg);
- });
- title.on("mouseout",function(){
- var attr = $(this).data("attr");
- $("#icon"+attr.id).css("background","url('images/red.png')");
- gLyrHover.clear();
- });
- title.on("click",function(){
- var attr = $(this).data("attr");
- showCity(attr);
- });
- var pt=new Point(data[i].x,data[i].y,{"wkid":4326});
- var pms = new esri.symbol.PictureMarkerSymbol("images/red.png",24,26)
- var gImg = new Graphic(pt,pms,data[i]);
- gLyr.add(gImg);
- var font = new esri.symbol.Font();
- font.setSize("10pt");
- font.setFamily("微软雅黑");
- var text = new esri.symbol.TextSymbol(data[i].id);
- text.setOffset(0,-2);
- text.setFont(font);
- text.setColor(new dojo.Color([255,255,255,100]));
- var gLbl = new esri.Graphic(pt,text,data[i]);
- gLyrLbl.add(gLbl);
- }
- gLyr.on("mouse-over",function(e){
- map.setMapCursor("pointer");
- var sms = e.graphic.symbol;
- sms.url = "images/blue.png";
- gLyr.redraw();
- $("#icon"+e.graphic.attributes.id).css("background","url('images/blue.png')");
- });
- gLyr.on("mouse-out",function(e){
- map.setMapCursor("default");
- var sms = e.graphic.symbol;
- sms.url = "images/red.png";
- gLyr.redraw();
- $("#icon"+e.graphic.attributes.id).css("background","url('images/red.png')");
- });
- gLyr.on("click",function(e){
- var attr = e.graphic.attributes;
- showCity(attr);
- });
- });
- function showCity(attr){
- var pt=new Point(attr.x,attr.y,{"wkid":4326});
- map.infoWindow.setTitle(attr.name);
- map.infoWindow.setContent(attr.desc);
- map.infoWindow.resize(200,80);
- map.infoWindow.show(pt);
- map.centerAndZoom(pt,0);
- }
- });
- </script>
- </head>
- <body>
- <div id="search" class="search-box" style="display: none;">
- <div class="search-box-title">查询结果</div>
- <ul class="search-box-result" id="result">
- </ul>
- </div>
- <div id="map">
- </div>
- </body>
- </html>
以上内容就是 phperz 小编给大家分享的基于 Arcgis for javascript 实现百度地图 ABCD marker 的效果,希望大家喜欢。
来源: http://www.phperz.com/article/17/0412/269418.html