AS3与PHP通信的五种方法(基于HTTP协议)

首先，这是基于HTTP协议的，然后主要是下面的五种方法。

/**  
 * 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;  
    /**  
     * ...  
     * @author .....Li灬Star  
     * @contact...QQ:168527720  
     */  
      
    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  
        }  
    }  
 
}