GoogleMaps/API/doc/APIoverview/06-XMLandRPC の変更点-N☆E 学習帳

// author:1
*XML and RPC
http://www.google.com/apis/maps/documentation/
**Version 2 (2006.4)
>The Google Maps API exports a factory method for creating XmlHttpRequest objects that work in recent versions of IE, Firefox, and Safari. The following example downloads a file called myfile.txt and displays its contents in a JavaScript alert:

>var request = GXmlHttp.create();~
request.open("GET", "myfile.txt", true);~
request.onreadystatechange = function() {~
　 if (request.readyState == 4) {~
　　　 alert(request.responseText);~
　 }~
}~
request.send(null);

>The API also exports a simpler method for typical HTTP GET requests called GDownloadUrl that eliminates the need for XmlHttpRequest readyState checking. The example above could be rewritten using GDownloadUrl like this:

>GDownloadUrl("myfile.txt", function(data, responseCode) {~
>&font(Red){GDownloadUrl};("myfile.txt", function(data, responseCode) {~
　　 alert(data);~
});

前のやり方もまだ利用できるようですが、やっぱこれを使った方がすっきりしますね。

　
>You can parse an XML document with the static method GXml.parse, which takes a string of XML as its only argument. This method is compatible with most modern browsers, but it throws an exception if the browser does not support XML parsing natively.

>See the GXmlHttp and GXml class references for more information.





**Version 1
>The Google Maps API exports a factory method for creating XmlHttpRequest objects that work in recent versions of IE, Firefox, and Safari. For example,


var request = GXmlHttp.create();
request.open('GET', "myfile.txt", true);
request.onreadystatechange = function() {
if (request.readyState == 4) {
alert(request.responseText);
}
}
request.send(null);

>You can parse an XML document with the static method GXml.parse, which takes a string of XML as its only argument. This method is compatible with all browsers, falling back on a JavaScript XML parser if no native XML parsing facilities are available on the browser. We make no guarantees as to the performance or correctness of this "fallback" parser.

>Note that the Google Maps API does not require the use of XML or XmlHttpRequest to function, as it is a pure JavaScript/DHTML API.

----
上記スクリプトの実行~
読み込むファイルは「myfile.txt」ではなく [[GoogleMaps/API/doc/Examples/16-UsingXML]] で使った「data.xml」で実行~
http://never-ever.info/googlemaps/responsetext.php　（別窓）

responseText はファイルの中身を全部ってこと

**RPC
Remote Procedure Call~
e-Words →　http://e-words.jp/w/RPC.html
>ネットワーク上の異なるマシンで処理を実行する手続き。