说明:先准备好一个FLY工程文件,其中要加载一个相对标准的SHP文件,自己参考其他部分实现绘制几何对象的方法;
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<script type="text/javascript" language="javascript">
//遍历整个图层
//zhaohe.2012.09.25.
function GetFeatureAll() {
var strResult = "<table>";
var SGWorld = CreateSGObj();
var ItemID = SGWorld.ProjectTree.FindItem("Fairfax_zones");
var obj = SGWorld.ProjectTree.GetLayer(ItemID);
// 遍历当前图层中已经在地图上加载的全部对象及其属性
var pIFeatureGroup = obj.FeatureGroups(0);
for (var i = 0; i < pIFeatureGroup.Count; i++) {
strResult = strResult + "<tr>";
var pIFeature = pIFeatureGroup.Item(i);
for (var j = 0; j < pIFeature.FeatureAttributes.Count; j++) {
var pIFeatureAttribute = pIFeature.FeatureAttributes.Item(j);
strResult = strResult + "<td>" + pIFeatureAttribute.Name + "*" + pIFeatureAttribute.Value + "</td>";
}
strResult = strResult + "</tr>";
}
strResult = strResult + "</table>";
window.document.getElementById("result").innerHTML = strResult;
}
//多边形查询
//zhaohe.2012.09.25.
function GetFeatureWithPoly() {
var strResult = "<table>";
var SGWorld = CreateSGObj();
var ItemID = SGWorld.ProjectTree.FindItem("Fairfax_zones");
var obj = SGWorld.ProjectTree.GetLayer(ItemID);
// 遍历多边形内选中的对象及其属性
var qItemID = SGWorld.ProjectTree.GetNextItem(0, 10);
var qobj = SGWorld.ProjectTree.GetObject(qItemID);
var queryGeometry = qobj.Geometry;
var resFeatures = obj.ExecuteSpatialQuery(queryGeometry, 1);
for (var i = 0; i < resFeatures.Count; i++) {
strResult = strResult + "<tr>";
var pIFeature = resFeatures.Item(i);
for (var j = 0; j < pIFeature.FeatureAttributes.Count; j++) {
var pIFeatureAttribute = pIFeature.FeatureAttributes.Item(j);
strResult = strResult + "<td>" + pIFeatureAttribute.Name + "*" + pIFeatureAttribute.Value + "</td>";
}
strResult = strResult + "</tr>";
}
strResult = strResult + "</table>";
window.document.getElementById("result").innerHTML = strResult;
}
//属性查询
//zhaohe.2012.09.25.
function GetFeatureWithPro() {
var SGWorld = CreateSGObj();
var ItemID = SGWorld.ProjectTree.FindItem("Fairfax_zones");
var obj = SGWorld.ProjectTree.GetLayer(ItemID);
var clause = window.document.getElementById("Text1").value;
if (clause == "") {
obj.Filter = clause;
obj.Streaming = 1;
obj.Refresh();
}
else {
obj.Filter = clause;
obj.Streaming = 0;
obj.Refresh();
}
GetFeatureAll();
}
/*
功能: 创建sgworld对象
备注: 赵贺 2011.04.01.
*/
function CreateSGObj() {
var obj = $("sgworld");
if (obj == null) {
obj = document.createElement('object');
document.body.appendChild(obj);
obj.name = "sgworld";
obj.id = "sgworld";
obj.classid = "CLSID:3a4f91b0-65a8-11d5-85c1-0001023952c1";
}
return obj;
}
function $(id) {
return window.document.getElementById(id);
}
</script>
</head>
<body>
<table>
<tr>
<td colspan="4">
<input id="Button1" type="button" value="全部Feature" onclick="GetFeatureAll()" />
<input id="Button2" type="button" value="空间查询" onclick="GetFeatureWithPoly()" />
</td>
</tr>
<tr>
<td colspan="4">
<input id="Text1" type="text" value="Class=3" />
<input id="Button6" type="button" value="属性查询" onclick="GetFeatureWithPro()" />
</td>
</tr>
<tr>
<td>
<div id="result">
</div>
</td>
</tr>
</table>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<script type="text/javascript" language="javascript">
//遍历整个图层
//zhaohe.2012.09.25.
function GetFeatureAll() {
var strResult = "<table>";
var SGWorld = CreateSGObj();
var ItemID = SGWorld.ProjectTree.FindItem("Fairfax_zones");
var obj = SGWorld.ProjectTree.GetLayer(ItemID);
// 遍历当前图层中已经在地图上加载的全部对象及其属性
var pIFeatureGroup = obj.FeatureGroups(0);
for (var i = 0; i < pIFeatureGroup.Count; i++) {
strResult = strResult + "<tr>";
var pIFeature = pIFeatureGroup.Item(i);
for (var j = 0; j < pIFeature.FeatureAttributes.Count; j++) {
var pIFeatureAttribute = pIFeature.FeatureAttributes.Item(j);
strResult = strResult + "<td>" + pIFeatureAttribute.Name + "*" + pIFeatureAttribute.Value + "</td>";
}
strResult = strResult + "</tr>";
}
strResult = strResult + "</table>";
window.document.getElementById("result").innerHTML = strResult;
}
//多边形查询
//zhaohe.2012.09.25.
function GetFeatureWithPoly() {
var strResult = "<table>";
var SGWorld = CreateSGObj();
var ItemID = SGWorld.ProjectTree.FindItem("Fairfax_zones");
var obj = SGWorld.ProjectTree.GetLayer(ItemID);
// 遍历多边形内选中的对象及其属性
var qItemID = SGWorld.ProjectTree.GetNextItem(0, 10);
var qobj = SGWorld.ProjectTree.GetObject(qItemID);
var queryGeometry = qobj.Geometry;
var resFeatures = obj.ExecuteSpatialQuery(queryGeometry, 1);
for (var i = 0; i < resFeatures.Count; i++) {
strResult = strResult + "<tr>";
var pIFeature = resFeatures.Item(i);
for (var j = 0; j < pIFeature.FeatureAttributes.Count; j++) {
var pIFeatureAttribute = pIFeature.FeatureAttributes.Item(j);
strResult = strResult + "<td>" + pIFeatureAttribute.Name + "*" + pIFeatureAttribute.Value + "</td>";
}
strResult = strResult + "</tr>";
}
strResult = strResult + "</table>";
window.document.getElementById("result").innerHTML = strResult;
}
//属性查询
//zhaohe.2012.09.25.
function GetFeatureWithPro() {
var SGWorld = CreateSGObj();
var ItemID = SGWorld.ProjectTree.FindItem("Fairfax_zones");
var obj = SGWorld.ProjectTree.GetLayer(ItemID);
var clause = window.document.getElementById("Text1").value;
if (clause == "") {
obj.Filter = clause;
obj.Streaming = 1;
obj.Refresh();
}
else {
obj.Filter = clause;
obj.Streaming = 0;
obj.Refresh();
}
GetFeatureAll();
}
/*
功能: 创建sgworld对象
备注: 赵贺 2011.04.01.
*/
function CreateSGObj() {
var obj = $("sgworld");
if (obj == null) {
obj = document.createElement('object');
document.body.appendChild(obj);
obj.name = "sgworld";
obj.id = "sgworld";
obj.classid = "CLSID:3a4f91b0-65a8-11d5-85c1-0001023952c1";
}
return obj;
}
function $(id) {
return window.document.getElementById(id);
}
</script>
</head>
<body>
<table>
<tr>
<td colspan="4">
<input id="Button1" type="button" value="全部Feature" onclick="GetFeatureAll()" />
<input id="Button2" type="button" value="空间查询" onclick="GetFeatureWithPoly()" />
</td>
</tr>
<tr>
<td colspan="4">
<input id="Text1" type="text" value="Class=3" />
<input id="Button6" type="button" value="属性查询" onclick="GetFeatureWithPro()" />
</td>
</tr>
<tr>
<td>
<div id="result">
</div>
</td>
</tr>
</table>
</body>
</html>