C# 程序自动批量生成 google maps 的KML文件

///<summary>

///Generateplacemarkbyaddressdescription

///</summary>

///<paramname="addrDescription">addressanddescription</param>

///<returns>ifnomatched,returnfalse</returns>

publicboolGenerate(AddressDescriptionaddrDescription)

{

_LastErrorOrWarning=null;

Thread.Sleep(DelayInMs);

List<GeographicCoordinate>coordinates=Geocoding.Geocode(addrDescription.Address);

if(coordinates.Count==0)

{

_LastErrorOrWarning=string.Format("Address:{0},Description:{1}doesnotfindthecoordinates,pleasemakesuretheaddressiscorrectly.",

addrDescription.Address,addrDescription.Description);

returnfalse;

}

if(coordinates.Count>1)

{

_LastErrorOrWarning=string.Format("Address:{0},Description:{1}hasmorethanonecoordinates.",

addrDescription.Address,addrDescription.Description);

}

stringcolorId=Colors[_ColorIndex];

_ColorIndex++;

if(_ColorIndex>=Colors.Count)

{

_ColorIndex=0;

}

_Kml.Document.Add(newPlacemark(addrDescription.Address,addrDescription.Description,colorId,

coordinates[0].Latitude,coordinates[0].Longitude));

returntrue;

}

usingSystem;
usingSystem.Collections.Generic;
usingSystem.Linq;
usingSystem.Text;
usingSystem.Xml;
usingSystem.Xml.Serialization;
usingSystem.IO;

namespaceGenerateKML
{
publicclassPlacemark
{
publicclassKMLPoint
{
publicKMLPoint()
{
}

publicKMLPoint(doublelatitude,doublelongitude)
{
SetCoordinates(latitude,longitude);
}

privatestring_coordinates;

publicvoidSetCoordinates(doublelatitude,doublelongitude)
{
_coordinates=longitude.ToString()+","+latitude.ToString();
}

publicstringcoordinates
{
get
{
return_coordinates;
}

set
{
_coordinates=value;
}
}
}

[XmlElement("name")]
publicstringName{get;set;}

[XmlElement("description")]
publicstringDescription{get;set;}

[XmlElement("styleUrl")]
publicstringStyleUrl{get;set;}

publicKMLPointPoint{get;set;}

publicPlacemark()
{
}

publicPlacemark(stringname,stringdescription,stringstyleUrl,
doublelatitude,doublelongitude)
{
Name=name;
Description=description;
StyleUrl=styleUrl;

Point=newKMLPoint(latitude,longitude);
}

}

publicclasskml
{
[XmlIgnore]
stringName{get;set;}

List<Placemark>_Placemarks=newList<Placemark>();

[XmlArray()]
publicList<Placemark>Document
{
get
{
return_Placemarks;
}

set
{
_Placemarks=value;
}
}

publickml()
{
}

publickml(stringname)
{
Name=name;
}

privateXmlNodeGetColorStyle(XmlDocumentxmlDoc,stringcolor)
{
XmlNodestyle=xmlDoc.CreateNode(XmlNodeType.Element,"Style","");
XmlAttributeattr=style.OwnerDocument.CreateAttribute("id");
attr.Value=color;
style.Attributes.Append(attr);

XmlNodeiconStyle=xmlDoc.CreateNode(XmlNodeType.Element,"IconStyle","");
XmlNodeicon=xmlDoc.CreateNode(XmlNodeType.Element,"Icon","");
XmlNodehref=xmlDoc.CreateNode(XmlNodeType.Element,"href","");
href.InnerText=string.Format("http://www.google.com/intl/en_us/mapfiles/ms/icons/{0}-dot.png",
color);

style.AppendChild(iconStyle);
iconStyle.AppendChild(icon);
icon.AppendChild(href);

returnstyle;
}

publicvoidSaveToFile(stringxml)
{
using(FileStreamfs=newFileStream(xml,FileMode.Create,FileAccess.ReadWrite))
{
using(StreamWritersw=newStreamWriter(fs,System.Text.Encoding.UTF8))
{
XmlSerializerserializer=newXmlSerializer(this.GetType());
serializer.Serialize(sw,this);
}
}

XmlDocumentxmlDoc=newXmlDocument();
xmlDoc.Load(xml);
xmlDoc.CreateXmlDeclaration("1.0","utf-8",null);

XmlNodedocumentNode=xmlDoc.SelectSingleNode(@"/kml/Document");

XmlNodenameNode=xmlDoc.CreateNode(XmlNodeType.Element,"name","");
nameNode.InnerText=this.Name;

XmlNodeplaceMarkNode=documentNode.FirstChild;
documentNode.InsertBefore(nameNode,placeMarkNode);

documentNode.InsertBefore(GetColorStyle(xmlDoc,"red"),placeMarkNode);
documentNode.InsertBefore(GetColorStyle(xmlDoc,"green"),placeMarkNode);
documentNode.InsertBefore(GetColorStyle(xmlDoc,"blue"),placeMarkNode);
documentNode.InsertBefore(GetColorStyle(xmlDoc,"yellow"),placeMarkNode);

XmlNodekmlNode=xmlDoc.SelectSingleNode(@"/kml");

XmlAttributeattr=kmlNode.OwnerDocument.CreateAttribute("xmlns");
attr.Value="http://earth.google.com/kml/2.0";

kmlNode.Attributes.Append(attr);

xmlDoc.Save(xml);
}
}

}

staticvoidMain(string[]args)

{

GeneratorkmlGenerator=newGenerator("Test");

kmlGenerator.Generate(newAddressDescription("1600AmphitheatreParkway,MountainView,CA94043",

"Google"));

if(!string.IsNullOrEmpty(kmlGenerator.LastErrorOrWarning))

{

Console.WriteLine(kmlGenerator.LastErrorOrWarning);

}

kmlGenerator.Generate(newAddressDescription("1MicrosoftWay,Redmond,WA98052",

"Microsoft"));

if(!string.IsNullOrEmpty(kmlGenerator.LastErrorOrWarning))

{

Console.WriteLine(kmlGenerator.LastErrorOrWarning);

}

kmlGenerator.Generate(newAddressDescription("1601S.CaliforniaAve.,PaloAlto,CA95304",

"Facebook"));

if(!string.IsNullOrEmpty(kmlGenerator.LastErrorOrWarning))

{

Console.WriteLine(kmlGenerator.LastErrorOrWarning);

}

kmlGenerator.Generate(newAddressDescription("701FirstAve,Sunnyvale,CA94089",

"Yahoo"));

if(!string.IsNullOrEmpty(kmlGenerator.LastErrorOrWarning))

{

Console.WriteLine(kmlGenerator.LastErrorOrWarning);

}

kmlGenerator.Save("test.kml");

}

}

第三行，实例化KML生成器，并指定一个名字，这个名字对于kml文档中的name字段。

第五行，在kml文件中标注google总部的地址

第八行，判断是否有最新的错误，每次执行第五行的Generate方法，会将最新错误清空，所以这里永远是得到最近一次调用Generate方法的错误或警告。

后面以此类推了。

最后Save到一个kml文件中就OK了。

最后，我们可以把这个kml文件导入到我们自己创建的googlemap中。这个在googlemaps里面有相应的导入功能，这里就不介绍了。

完整源码下载

完整源码

注意源码中app.config文件中

<addkey="GeocodingApi.Key"value="googleapikey"/>
<addkey="GeocodingApi.Url"value="http://maps.google.com/maps/geo?"/>