AS3中与服务器交互

然后下面是使用 URLLoader 的一些简单的例子

1. 单纯的读取服务器或者硬盘上同目录下叫 Variables.txt 文本文件, 文本的内容是:

user1=Kakera&user2=Eigo&user3=Keirago

LoadVariablesOnly.fla

代码拷贝框
import flash.net.URLLoader; import flash.net.URLRequest; import flash.net.URLLoaderDataFormat; import flash.net.URLVariables; import flash.events.Event; import flash.events.HTTPStatusEvent; import flash.events.IOErrorEvent; import flash.events.ProgressEvent; import flash.events.SecurityErrorEvent; // // 配置 URLRequest, 设置目标路径等 // var request:URLRequest = new URLRequest("Variables.txt"); // // 配置 URLLoader, 注册侦听器等 // var loader:URLLoader = new URLLoader(); loader.dataFormat = URLLoaderDataFormat.VARIABLES; loader.addEventListener(Event.COMPLETE, loader_complete); loader.addEventListener(Event.OPEN, loader_open); loader.addEventListener(HTTPStatusEvent.HTTP_STATUS, loader_httpStatus); loader.addEventListener(ProgressEvent.PROGRESS, loader_progress); loader.addEventListener(SecurityErrorEvent.SECURITY_ERROR, loader_security); loader.addEventListener(IOErrorEvent.IO_ERROR, loader_ioError); loader.load(request); function loader_complete (e:Event):void { trace("Event.COMPLETE"); trace("目标文件的原始数据 (纯文本) : " + loader.data); // // 使用 URLVariables 处理原始数据并进行遍历同时输出数据 // var variables:URLVariables = new URLVariables(loader.data); for (var i in variables) { trace(i + " : " + variables[i]); } } function loader_open (e:Event):void { trace("Event.OPEN"); trace("读取了的字节 : " + loader.bytesLoaded); } function loader_httpStatus (e:HTTPStatusEvent):void { trace("HTTPStatusEvent.HTTP_STATUS"); trace("HTTP 状态代码 : " + e.state); } function loader_progress (e:ProgressEvent):void { trace("ProgressEvent.PROGRESS"); trace("读取了的字节 : " + loader.bytesLoaded); trace("文件总字节 : " + loader.bytesTotal); } function loader_security (e:SecurityErrorEvent):void { trace("SecurityErrorEvent.SECURITY_ERROR"); } function loader_ioError (e:IOErrorEvent):void { trace("IOErrorEvent.IO_ERROR"); }
[Ctrl+A 全部选择 然后拷贝]

2. 提交数据到 ServerSide.asp, 并输出服务器的返回值

ServerSide.asp

代码拷贝框
<%@LANGUAGE="JSCRIPT" CODEPAGE="65001"%> <% // // 全局 Header, 设置编码, 以及缓存 // with (Response) { Charset = "utf-8"; Buffer = true; Expires = -10; ContentType = "text/plain"; } var buffer = "列出所有服务端接收到的变量 : \n"; var i; var e = new Enumerator(Request.Form); // // 遍历集合 // for (; !e.atEnd(); e.moveNext()) { i = e.item(); buffer += String(i) + " : " + String(Request.Form(i)) + "\n"; } Response.Write(buffer); %>
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SendAndLoadVariables.fla

代码拷贝框
import flash.net.URLLoader; import flash.net.URLRequest; import flash.net.URLLoaderDataFormat; import flash.net.URLVariables; import flash.events.Event; import flash.events.HTTPStatusEvent; import flash.events.IOErrorEvent; import flash.events.ProgressEvent; import flash.events.SecurityErrorEvent; // // 配置 URLVariables, 设置传递到服务器的数据 // var variables:URLVariables = new URLVariables(); variables.userName = "Kakera"; variables.password = "********"; // // 配置 URLRequest, 设置目标路径, 设置提交的数据, 方法 (POST / GET) // var request:URLRequest = new URLRequest("http://localhost/urlloadersample/ServerSide.asp"); request.data = variables; request.method = URLRequestMethod.POST; // // 配置 URLLoader, 注册侦听器等 // var loader:URLLoader = new URLLoader(); // // 服务端将要返回的是纯文本数据 // loader.dataFormat = URLLoaderDataFormat.TEXT; loader.addEventListener(Event.COMPLETE, loader_complete); loader.addEventListener(Event.OPEN, loader_open); loader.addEventListener(HTTPStatusEvent.HTTP_STATUS, loader_httpStatus); loader.addEventListener(ProgressEvent.PROGRESS, loader_progress); loader.addEventListener(SecurityErrorEvent.SECURITY_ERROR, loader_security); loader.addEventListener(IOErrorEvent.IO_ERROR, loader_ioError); loader.load(request); function loader_complete (e:Event):void { trace("Event.COMPLETE"); trace("目标文件的原始数据 (纯文本) : \n" + loader.data); } function loader_open (e:Event):void { trace("Event.OPEN"); trace("读取了的字节 : " + loader.bytesLoaded); } function loader_httpStatus (e:HTTPStatusEvent):void { trace("HTTPStatusEvent.HTTP_STATUS"); trace("HTTP 状态代码 : " + e.status); } function loader_progress (e:ProgressEvent):void { trace("ProgressEvent.PROGRESS"); trace("读取了的字节 : " + loader.bytesLoaded); trace("文件总字节 : " + loader.bytesTotal); } function loader_security (e:SecurityErrorEvent):void { trace("SecurityErrorEvent.SECURITY_ERROR"); } function loader_ioError (e:IOErrorEvent):void { trace("IOErrorEvent.IO_ERROR"); }
[Ctrl+A 全部选择 然后拷贝]

下载原文件

/upimg/soft/3/1_060707152910.zip