比较乱，但是能够跑通的一些codes，简称：试验田
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>
<!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 runat="server">
<title>Simple Map</title>
<link rel="stylesheet" type="text/css" href="http://localhost/arcgis_js_api/library/2.0/arcgis/js/dojo/dijit/themes/tundra/tundra.css"/>
<script type="text/javascript" src="http://localhost/arcgis_js_api/library/2.0/arcgis/"></script>
<script type="text/javascript">
dojo.require("esri.map");
dojo.require("esri.toolbars.draw");
dojo.require("esri.graphic");
dojo.require("esri.layers.graphics");
dojo.require("esri.tasks.query");
dojo.require("esri.tasks.geometry");
var map;
var tb;
function Init() {
map = new esri.Map("map");
dojo.connect(map, "onLoad", initToolbar); //map "onLoad" Fires when the first or base layer has been successfully added to the map.
dojo.connect(map, "onClick", myClickHandler);// map "onClick"
var layer = new esri.layers.ArcGISDynamicMapServiceLayer("http://localhost/ArcGIS/rest/services/zhyxk/MapServer");
map.addLayer(layer);
//dojo.connect(map.graphics, "onClick", myGraphicsClickHandler);
}
function myClickHandler(event) {
//alert("User clicked at " + event.screenPoint.x + ", " + event.screenPoint.y + " on the screen. The map coordinate at this point is " + event.mapPoint.x + ", " + event.mapPoint.y);
}
function myGraphicsClickHandler(evt) {
// alert("User clicked on " + evt.graphic);
// alert(evt.mapPoint.x);
var symbol = new esri.symbol.SimpleFillSymbol(esri.symbol.SimpleFillSymbol.STYLE_SOLID,
new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID,
new dojo.Color([255, 255, 0]), 2), new dojo.Color([255,0, 0, 0.25]));
evt.graphic.setSymbol(symbol)
}
function initToolbar(map){
tb = new esri.toolbars.Draw(map);
dojo.connect(tb, "onDrawEnd", addGraphic); //tb "onDrawEnd" Fires when drawing is complete.
dojo.connect(map.graphics, "onClick", myGraphicsClickHandler); //map.graphics, "onClick"
//因为map.graphics对象只有在map.onload事件触发以后才可用，所以你应该等待注册这个事件直到map.onLoad事件触发 //added by zhangjun at 2011-02-21 值得注意
}
function addGraphic(geometry) {
//spatialQuery(geometry); //空间查询
map.graphics.clear();
var symbol = new esri.symbol.SimpleFillSymbol(esri.symbol.SimpleFillSymbol.STYLE_SOLID,
new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID,
new dojo.Color([0, 255, 0]), 2), new dojo.Color([255, 255, 0, 0.25]));
var graphic = new esri.Graphic(geometry, symbol);
map.graphics.add(graphic);
}
function clearGraphic() {
map.graphics.clear();
}
function addSearchedGraphic() {
var geo = "<%=str%>"; //可以返回C#函数的值
alert(geo);
var a = geo.split(",");
var symbol = new esri.symbol.SimpleFillSymbol(esri.symbol.SimpleFillSymbol.STYLE_SOLID,
new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID,
new dojo.Color([255, 0, 0]), 2), new dojo.Color([255, 255, 0, 0.25]));
var extent = new esri.geometry.Extent(a[0], a[1], a[2], a[3], new esri.SpatialReference({ wkid: 4326 }));
var graphic = new esri.Graphic(extent, symbol);
map.graphics.add(graphic);
}
//其中result即返回的结果
function updatepage(result){
alert(result);
}
var myReq = new XMLHttpRequest();
function xmlhttprequest() {
if (window.XMLHttpRequest)
{
var url = "http://localhost/xmlhttprequest/simple.xml";
myReq.open("GET", url, false);
myReq.send();
//alert("here");
alert(myReq.responseXML);
alert(myReq.responseXML.xml);
}
}
function callWSMethod1() {
if (window.XMLHttpRequest) {
var url = "http://localhost/testjs2.0services/DBService.asmx?op=HelloWorld";
myReq.onreadystatechange = CheckStatus1;
// true indicates asynchronous request
myReq.open("GET",url,true);
myReq.send();
//TextArea1.value = myReq.responseText;
}
}
function CheckStatus1() {
if (myReq.readyState == 4) // Completed operation
{
myReq.open("POST", "http://localhost/testjs2.0services/DBService.asmx/HelloWorld", false);
myReq.send();
//form1.TextArea1.value = oReq.responseText;
TextArea1.value = myReq.responseXML.xml;
}
}
function callWSMethod2() {
if (window.XMLHttpRequest) {
var url = "http://localhost/testjs2.0services/DBService.asmx/HelloWorld2?str=";
url += "222222";
myReq.onreadystatechange = CheckStatus2;
myReq.open("GET", url, true);
}
}
function CheckStatus2() {
if (myReq.readyState == 4) {
TextArea1.value = myReq.responseXML.xml;
}
}
function spatialSuccess(featureSet)
{
//map.graphics.clear();
var showXBExtent;
var symbol = new esri.symbol.SimpleFillSymbol(esri.symbol.SimpleFillSymbol.STYLE_SOLID,
new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID,
new dojo.Color([0, 0, 255, 0.35]), 1), new dojo.Color([255, 0, 0, 0.35]));
//QueryTask returns a featureSet. Loop through features in the featureSet and add them to the map.
for (var i = 0, il = featureSet.features.length; i < il; i++) {
//Get the current feature from the featureSet.
//Feature is a graphic
var graphic = featureSet.features[i];
graphic.setSymbol(symbol);
//graphic.setInfoTemplate(infoTemplate);
//Add graphic to the map graphics layer.
map.graphics.add(graphic);
if (i == 0) {
showXBExtent = graphic.geometry.getExtent().union(map.graphics.graphics[0].geometry.getExtent()); //定位功能
}
else {
showXBExtent = showXBExtent.union(graphic.geometry.getExtent());
}
}
map.setExtent(showXBExtent.expand(1.5));
}
function spatialError(err) {
alert(err.name + ":" + err.message);
}
function spatialQuery() {
//build query task
var queryTask = new esri.tasks.QueryTask("http://localhost/ArcGIS/rest/services/newfeatureclass/MapServer/0");
//build query filter
query = new esri.tasks.Query();
query.returnGeometry = true;
query.outFields = ["NAME"];
var geo = map.graphics.graphics[0].geometry;
//geo.setSpatialReference({ "spatialReference": { "wkid": 4326} });
//var extent = new esri.geometry.Extent({ "xmin": 100, "ymin": 30, "xmax": 110, "ymax": 40, "spatialReference": { "wkid": 4326} });
query.geometry = geo;
query.spatialRelationship = esri.tasks.Query.SPATIAL_REL_INTERSECTS; //不需要双引号,有双引号会报错 //added by zhangjun at 2011-02-21 值得注意
//alert(query.geometry.getExtent().xmax); //可以访问，说明获取了geometry, javascript区分大小写
dojo.connect(queryTask, "onComplete", spatialSuccess);
dojo.connect(queryTask, "onError", spatialError);
queryTask.execute(query);
}
function attQuery() {
//build query task
var queryTask = new esri.tasks.QueryTask("http://localhost/ArcGIS/rest/services/newfeatureclass/MapServer/0");
//build query filter
query = new esri.tasks.Query();
query.returnGeometry = true;
query.outFields = ["NAME"];
var qstr =document.getElementById("AttText1").value;
query.where = "NAME Like '%" + qstr + "%'";
dojo.connect(queryTask, "onComplete", function(featureSet) {
map.graphics.clear();
var showXBExtent
var symbol = new esri.symbol.SimpleFillSymbol(esri.symbol.SimpleFillSymbol.STYLE_SOLID, new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID, new dojo.Color([0, 0, 255, 0.35]), 1), new dojo.Color([255, 0, 0, 0.35]));
//QueryTask returns a featureSet. Loop through features in the featureSet and add them to the map.
for (var i = 0, il = featureSet.features.length; i < il; i++) {
//Get the current feature from the featureSet.
//Feature is a graphic
var graphic = featureSet.features[i];
graphic.setSymbol(symbol);
//graphic.setInfoTemplate(infoTemplate);
//Add graphic to the map graphics layer.
map.graphics.add(graphic);
if (i == 0) {
showXBExtent = graphic.geometry.getExtent().union(map.graphics.graphics[0].geometry.getExtent()); //定位功能//定位功能
}
else {
showXBExtent = showXBExtent.union(graphic.geometry.getExtent());
}
}
map.setExtent(showXBExtent.expand(1.5));
});
queryTask.execute(query);
}
dojo.addOnLoad(Init);
</script>
<style type="text/css">
#Button2
{
101px;
}
#Button3
{
119px;
}
#Button4
{
97px;
}
#Button6
{
111px;
}
#TextArea1
{
height: 48px;
371px;
}
#Button11
{
91px;
}
#Button12
{
114px;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div id="map" style="694px; height:383px; border:1px solid #000;">
</div>
<div>
<asp:Label ID="Label1" runat="server" Text="关键字查询"></asp:Label>
<asp:TextBox ID="TextBoxSearch" runat="server" Width="258px"></asp:TextBox>
<asp:Button ID="ButtonSearch" runat="server" Text="查询"
onclick="ButtonSearch_Click" Width="82px" />
<asp:ListBox ID="ListBox1" runat="server" Height="88px" Width="275px">
</asp:ListBox>
</div>
<input id="Button1" type="button" value="画多边形查询" onclick="tb.activate(esri.toolbars.Draw.EXTENT)" />
<input id="Button9" type="button" value="点选多边形" onclick="tb.deactivate()" />
<input id="Button2" type="button" value="清除" onclick="clearGraphic()"/>
<input id="Button12" type="button" value="空间查询" onclick="spatialQuery()" />
<asp:Label ID="Label2" runat="server" Text="NAME:"></asp:Label>
<input id="AttText1" type="text" />
<input id="Button11" type="button" value="属性查询" onclick="attQuery()"/><p>
<input id="Button3" type="button" value="关键字查询" onclick="addSearchedGraphic()"/>
<input id="Button4" type="button" value="清除" onclick="clearGraphic()"/>
</p>
<asp:ScriptManager ID="ScriptManager1" runat="server">
<Services>
<asp:ServiceReference Path="http://zhyxkserver/testjs2.0servicevs2005/DBService.asmx" />
</Services>
</asp:ScriptManager>
<asp:PlaceHolder ID="PlaceHolder1" runat="server" Visible="False">
<asp:HiddenField ID="HiddenField1" runat="server" Visible="False" />
</asp:PlaceHolder>
<p>
<asp:Button ID="Button5" runat="server" onclick="Button5_Click"
Text="hiddedvalue" Width="114px" />
</p>
</form>
<p>
<input id="Button6" type="button" value="xmlhttprequest" onclick="xmlhttprequest()"/>
<input id="Button7" type="button" value="xmlhttprequest2" onclick="callWSMethod1()"/>
<input id="Button8" type="button" value="xmlhttprequest3" onclick="callWSMethod2()"/>
<textarea id="TextArea1" name="S1" cols="1" rows="1"></textarea>
</p>
</body>
</html>