我的GP 服务是对遥感影像进行水体信息提取，gp服功能能够实现，可是在将结果添加到页面时却不能实现， gp.getResultImageLayer(jobInfo.jobId, "water", imageParams, function (gpLayer) {
gpLayer.setOpacity(0.5);
map.addLayer(gpLayer);
});这句代码总是不能实现求个为前辈帮帮忙，谢谢！
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=7, IE=9">
<meta name="viewport" content="width=device-width,user-scalable=no">
<!--The viewport meta tag is used to improve the presentation and behavior of the samples on iOS devices-->
<meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no">
<title>影像处理系统</title>
<link rel="stylesheet" type="text/css" href="http://localhost:8080/arcgis_js_api/library/3.3/jsapi/js/dojo/dijit/themes/tundra/tundra.css"/>
<link rel="stylesheet" type="text/css" href="http://localhost:8080/arcgis_js_api/library/3.3/jsapi/js/esri/css/esri.css" />
<link rel="stylesheet" href="http://localhost:8080/arcgis_js_api/library/3.3/js/dojo/dijit/themes/claro/claro.css">
<style>
html, body {
height: 100%; width: 100%; margin: 0; padding: 0;
}
</style>
<script>var dojoConfig = {
parseOnLoad: true // 解析加载
};</script>
<script src="http://localhost:8080/arcgis_js_api/library/3.3/jsapi/init.js"></script>
<script>
dojo.require("dijit.layout.BorderContainer");
dojo.require("dijit.layout.ContentPane");
dojo.require("esri.map");
dojo.require("esri.toolbars.draw");
dojo.require("esri.tasks.gp");
var map, toolbar, gp;
function init() {
map = new esri.Map("map");
basemap = new esri.layers.ArcGISDynamicMapServiceLayer("http://localhost:6080/arcgis/rest/services/LZC/MyMapService/MapServer");
map.addLayer(basemap);
dojo.connect(map, 'onLoad', createToolbar);
}
//选取水体提取范围
function drawPolygon1() {
alert("请选择提取范围！");
flge=1;
toolbar.activate(esri.toolbars.Draw.POLYGON);
}
//选取植被提取范围
function drawPolygon2() {
alert("请选择提取范围！");
flge=2;
toolbar.activate(esri.toolbars.Draw.POLYGON);
}
//绘制裁剪范围
function createToolbar(themap) {
dojo.connect(dijit.byId('map'), 'resize', map, map.resize);
toolbar = new esri.toolbars.Draw(map); // esri.toolbars.Draw(map, options)
dojo.connect(toolbar, "onDrawEnd", drawEnd); // 绘制完成触发
}
//定义裁剪范围symbol
function drawEnd(geometry) {
toolbar.deactivate();
var symbol = new esri.symbol.SimpleFillSymbol(esri.symbol.SimpleFillSymbol.STYLE_SOLID, new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_DASHDOT, new dojo.Color([255, 0, 0]), 2), new dojo.Color([255, 255, 0, 0.25]));
var graphic = new esri.Graphic(geometry, symbol);
map.graphics.add(graphic);
tojob(graphic);
}
//传递参数以及调用服务
function tojob(graphic) {
//第一步构造GP
var gpUrl ="http://localhost:6080/arcgis/rest/services/GPP/water/GPServer/water";
gp = new esri.tasks.Geoprocessor(gpUrl);
//第二步，构造参数
//我们通过上面，了解到GPFeatureRecordSetLayer对应FeatureSet
var features = [];
features.push(graphic);
var featureset = new esri.tasks.FeatureSet();
featureset.features = features;
var parms = {
polygon : featureset
};
//这里函数是异步的，使用函数是submitJob,同步的使用的是execute。
//成功之后，调用jobResult,建议看一下这个参数。
gp.submitJob(parms, jobResult);
}
function jobResult(result){
var jobId = result.jobId;
var status = result.jobStatus;
if (status === esri.tasks.JobInfo.STATUS_SUCCEEDED) {
//成功之后，将其中的结果取出来，当然这也是参数名字。
//在模型中，想要取出中间结果，需要设置为模型参数
alert("调用成功");
gp.getResultData(jobId, "water", completeCallback1);
}
}
//添加最后提取结果
function completeCallback1(jobInfo){
imageParams = new esri.layers.ImageParameters();
imageParams.format = "tif";
imageParams.imageSpatialReference = new esri.SpatialReference({wkid: 4326});
imageParams.layerOption = esri.layers.ImageParameters.LAYER_OPTION_SHOW;
alert("准备添加结果！");
gp.getResultImageLayer(jobInfo.jobId, "water", imageParams, function(gpLayer){
gpLayer.setOpacity(0.5);
map.addLayer(gpLayer);
});
alert("添加成功！");
}
dojo.addOnLoad(init);
</script>
</head>
<body class="tundra">
<div id="mainWindow" data-dojo-type="dijit.layout.BorderContainer" data-dojo-props="design:'headline'" style="width:100%; height:100%;">
<div id="header" data-dojo-type="dijit.layout.ContentPane" data-dojo-props="region:'right'" style="width:20%; height:100%;">
<span>功能<br/></span>
<hr>
<input id="Button1" type="button" value="提取水体信息" onclick="drawPolygon1()" /><br><br>
<input id="Button2" type="button" value="提取植被信息" onclick="drawPolygon2()" />
<hr/>
<div id="bookmark" > </div>
<hr/>
图例：
<div id="legendDiv" style=" height:500px; overflow:auto; border:1px solid #000000;"></div></div>
<div id="map" data-dojo-type="dijit.layout.ContentPane" data-dojo-props="region:'left'" style="width:77.8%; height:100%;">
<div id="scaleBarDiv" > </div></div>
</div>
</body>
</html>
