AS3与PHP通信的五种方法(基于HTTP协议)

/**
* 这是基于HTTP协议的
* 一共介绍了五种方法
*/

package
{
import flash.display.Sprite;
import flash.events.*;
import flash.net.URLLoader;
import flash.net.URLRequest;
import flash.net.URLVariables;
import flash.net.URLRequestMethod;
import flash.net.URLLoaderDataFormat;
import flash.net.URLRequestHeader;
import flash.utils.ByteArray;
/**
* ...
*
*
*/

public class ASWithPHP_1 extends Sprite
{
private var urlLoader:URLLoader;
private var phpUrl:URLRequest;

public function ASWithPHP_1()
{
init();
}

private function init():void
{
urlLoader = new URLLoader();
phpUrl = new URLRequest("PHP地址");

/**
* 第一种:直接读取PHP里面的数据
*/
//----------------------------------------------------------------------
urlLoader.dataFormat = URLLoaderDataFormat.VARIABLES;
/**
* URLLoaderDataFormat.BINARY:String---->指定以原始二进制数据形式接收下载的数据
* URLLoaderDataFormat.TEXT:String----> 指定以文本形式接收已下载的数据
* URLLoaderDataFormat.VARIABLES:String---->指定以 URL 编码变量形式接收下载的数据
*/
urlLoader.load(phpUrl);
urlLoader.addEventListener(Event.COMPLETE, completeHandler1);
//-----------------------------------------------------------------------

/**
* 第二种:读取PHP生成的xml
*/
//-------------------------------------------------------------------------
urlLoader.load(phpUrl);
urlLoader.addEventListener(Event.COMPLETE, completeHandler2);
//-------------------------------------------------------------------------

/**
* 第三种:通过GET方法把参数传到PHP里面
*/
//--------------------------------------------------------------------------
phpUrl.method = URLRequestMethod.GET;
phpUrl.data = "要传出去的数据";
urlLoader.load(phpUrl);
urlLoader.addEventListener(Event.COMPLETE, completeHandler3);
//--------------------------------------------------------------------------

/**
* 第四种:通过POST方法把参数传到PHP里面
*/
//--------------------------------------------------------------------------
phpUrl.method = URLRequestMethod.POST;
var vars:URLVariables = new URLVariables();
vars.value1 = "参数1";
vars.value2 = "参数2";
phpUrl.data = vars;
urlLoader.dataFormat = URLLoaderDataFormat.VARIABLES;
urlLoader.load(phpUrl);
urlLoader.addEventListener(Event.COMPLETE, completeHandler4);
//--------------------------------------------------------------------------

/**
* 第五种:二进制通信方法
*/
//----------------------------------------------------------------------------
var requestHeader:URLRequestHeader = new URLRequestHeader("Content-type", "application/octet-stream");
phpUrl.method = URLRequestMethod.POST;
phpUrl.requestHeaders.push(requestHeader);
var byteArr:ByteArray = new ByteArray();
byteArr.writeByte(12);
byteArr.writeUTF("CNSloppyMan");
var sendData:ByteArray = new ByteArray();
sendData.writeInt(byteArr.length);
sendData.writeBytes(byteArr);
phpUrl.data = sendData;
urlLoader.dataFormat = URLLoaderDataFormat.BINARY;
urlLoader.load(phpUrl);
urlLoader.addEventListener(Event.COMPLETE, completeHandler5);
//-----------------------------------------------------------------------------
}

private function completeHandler1(e:Event):void
{
var vars:URLVariables = URLVariables((e.currentTarget as URLLoader).data);
trace("接受数据:" + vars.value); //假定value是PHP里面自定义的节点值
}

private function completeHandler2(e:Event):void {
var xml:XML = new XML((e.currentTarget as URLLoader).data);
trace("xml数据:" + xml.toString());
}

private function completeHandler3(e:Event):void {
trace("GET-已经传出去的数据:" + (e.currentTarget as URLLoader).data);
}

private function completeHandler4(e:Event):void {
trace("POST-已经传出去的数据:" + (e.currentTarget as URLLoader).data);
}

private function completeHandler5(e:Event):void {
var _byteArr:ByteArray = e.currentTarget.data as ByteArray;
trace(_byteArr.readInt()); //14
trace(_byteArr.readByte()); //12
trace(_byteArr.readUTF()); //CNSloppyMan
}
}

}