本人是初學者還是個實習生，是以就簡單的寫了個小例子（注意此例子是在所有資源都配置好的前提下！！）
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<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>Simple Map</title>
<style>
html, body, #map {
height: 100%;
width: 100%;
margin: 0;
padding: 0;
}
body {
background-color: #FFF;
overflow: hidden;
font-family: "Trebuchet MS";
}
</style>
<script type="text/javascript">
//var dynamic_jsapi_url="localhost:8080/arcgis_js_api/library/2.8/jsapi/";
//var arcGisJsApiRootPath = "localhost:8080";
</script>
<%--
<script type="text/javascript" src="http://localhost:8080/arcgis_js_api/library/2.8/jsapi/js/dojo/dojo/dojo.xd.js"></script>
<script type="text/javascript" src="http://localhost:8080/arcgis_js_api/library/2.8/jsapi/js/esri/esri.js"></script>
<script type="text/javascript" src="http://localhost:8080/arcgis_js_api/library/2.8/jsapi/js/esri/jsapi.js"></script>
這裡帶我的人說也可以代替下面的代碼，公司老員工說下面的放到tomcat下更友善，是以你們要用的話就用這裡的代碼（前提是以上幾個js都已将釋出（可以用浏覽器浏覽)
--%>
<%
//String dynamic_server_gis = request.getServerName()+":"+request.getServerPort();
//String dynamic_server_gis = "10.1.134.3:8080";
String dynamic_server_gis = request.getServerName()+":"+request.getServerPort();
String dynamic_server_name = request.getServerName()+":"+request.getServerPort() + request.getContextPath();
String dynamic_jsapi_url = dynamic_server_gis + "/arcgis_js_api/library/2.8/jsapi/";
out.println("<link type=\"text/css\" rel=\"stylesheet\" href=\"http://"+dynamic_jsapi_url+"js/dojo/dijit/themes/tundra/tundra.css\"/>");
out.println("<script type=\"text/javascript\">var dynamic_jsapi_url=\""+dynamic_jsapi_url+"\";var arcGisJsApiRootPath = \""+dynamic_server_gis+"\";var fullContext=\"http://"+dynamic_server_name+"\";</script>");
out.println("<script type=\"text/javascript\" src=\"http://"+dynamic_jsapi_url+"js/dojo/dojo/dojo.xd.js\"></script>");
out.println("<script type=\"text/javascript\" src=\"http://"+dynamic_jsapi_url+"js/esri/esri.js\"></script>");
out.println("<script type=\"text/javascript\" src=\"http://"+dynamic_jsapi_url+"js/esri/jsapi.js\"></script>");
// out.println("<script type=\"text/javascript\">esriConfig.defaults.io.proxyUrl=\"http://"+dynamic_server_name+"/js/map/map-core/proxy.jsp"+"\";esriConfig.defaults.io.alwaysUseProxy=false;</script>");
%>
<!--
<script type="text/javascript" src="http://localhost:8080/arcgis_js_api/library/2.8/jsapi/js/dojo/dojo/dojo.xd.js"></script>
<script type="text/javascript" src="http://localhost:8080/arcgis_js_api/library/2.8/jsapi/js/esri/esri.js"></script>
<script type="text/javascript" src="http://localhost:8080/arcgis_js_api/library/2.8/jsapi/js/esri/jsapi.js"></script>
<script type="text/javascript" src="http://localhost:8080/arcgis_js_api/library/2.8/jsapi/init.js"></script>
-->
</script>
<script type="text/javascript">
dojo.require("esri.map");
function init() {
var lods = [ {"level": 1,"scale": 36978595.474472,"resolution": 9783.93962049996
},{"level": 2,"scale": 18489297.737236,"resolution": 4891.96981024998
}, {"level": 3,"scale": 9244648.868618,"resolution": 2445.98490512499
}, {"level": 4,"scale": 4622324.434309,"resolution": 1222.99245256249
}, {"level": 5,"scale": 2311162.217155,"resolution": 611.49622628138
}, {"level": 6,"scale": 1155581.108577,"resolution": 305.748113140558
}, {"level": 7,"scale": 577790.554289,"resolution": 152.874056570411
}, {"level": 8,"scale": 288895.277144,"resolution": 76.4370282850732
}, {"level": 9,"scale": 144447.638572,"resolution": 38.2185141425366
}, {"level": 10,"scale": 72223.819286,"resolution": 19.1092570712683
}, {"level": 11,"scale": 36111.909643,"resolution": 9.55462853563415
}, {"level": 12,"scale": 18055.954822,"resolution": 4.77731426794937
}]; //這裡定義的東西是地圖放大縮小滾動條下的級别，不加的話不顯示滾動條隻顯示兩個頭（級别定義不合理也不行）
var mymap = new esri.Map("mapDiv",{logo:false,slider: true,lods: lods,}); //建立一個地圖，第一個參數是下面包含地圖的div的id，第二個參數本别是消logo，顯示滾動條，加lods其餘看API
var mylayer = new esri.layers.ArcGISDynamicMapServiceLayer("http://172.16.10.242:8399/arcgis/rest/services/china/chinalayernew/MapServer"); //向圖從添加服務
mymap.addLayer(mylayer);
mylayer.setVisibility(true); //可加可不加，預設就是
//以上四行代碼是最基本的代碼（API可查）
}
dojo.addOnLoad(init);
</script>
</head>
<body class="tundra">
<div id="mapDiv" style="width:900px; height:600px; border:1px solid #000;"></div>
<div id="info" style="padding:5px; margin:5px; background-color:#eee;"></div>
</body>
</html>
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