AS3 HTTP 请求机制 未检验

转载于：http://blog.sina.com.cn/s/blog_94b9dc0c0100x2pw.html

服务 tomcat 6.0(应该是)

1. test.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%    

    // - - 如果你做过java应该知道这是什么
    request.setCharacterEncoding("utf-8");
    out.clear();   

    // 返给前台的数据
    out.print("success1=111");

    // 如果是2个的话要用&隔开(URL传值) 
    out.print("&success2=222");   
%>

2.HttpTest.as

package
{
 import flash.display.Sprite;
 import flash.events.Event;
 import flash.events.HTTPStatusEvent;
 import flash.events.IOErrorEvent;
 import flash.events.MouseEvent;
 import flash.events.ProgressEvent;
 import flash.events.SecurityErrorEvent;
 import flash.net.URLLoader;
 import flash.net.URLLoaderDataFormat;
 import flash.net.URLRequest;
 import flash.net.URLRequestMethod;
 import flash.net.URLVariables;
 import flash.net.navigateToURL;
 import flash.text.TextField;
 import flash.text.TextFieldType;
 
 public class HttpTest extends Sprite
 { 
  
  //服务端的http地址字符串
  private var urlStr:String = "http://127.0.0.1:8080/web/test.jsp"; 
  public function HttpTest()
  {  
   reuqestServer();
  }  
  //请求服务端
  private function reuqestServer():void
  {
   //创建URLLoader对象
   var urlLoader:URLLoader = new URLLoader();               
   //设置接收数据方式(文本、原始二进制数据、URL 编码变量);
   urlLoader.dataFormat = URLLoaderDataFormat.VARIABLES;
   //设置传递参数
   var urlVars:URLVariables = new URLVariables();
   urlVars.name = "go333333333333";
   //urlVars.password="1111";
   //建立Request访问对象
   var urlRequest:URLRequest = new URLRequest(urlStr);
   //设置参数
   urlRequest.data = urlVars;
   //设置访问模式(POST,GET)
   urlRequest.method = URLRequestMethod.POST;
   
   try
   {
    trace(urlRequest.data);
    trace(urlRequest.url);
    // 使用 load 可以发送url请求
    urlLoader.load(urlRequest);
   }
   catch(error:Error)
   {
    trace(error)
   }
   
   //加载完成
   urlLoader.addEventListener(Event.COMPLETE, urlLoaderCompleteHandler);
   //开始访问
   urlLoader.addEventListener(Event.OPEN, urlLoaderOpenHandler);
   //加载进度
   urlLoader.addEventListener(ProgressEvent.PROGRESS, urlLoaderProgressHandler);
   //跨域访问安全策略
   urlLoader.addEventListener(SecurityErrorEvent.SECURITY_ERROR, urlLoaderSecurityErrorHandler);
   //Http状态事件
   urlLoader.addEventListener(HTTPStatusEvent.HTTP_STATUS, urlLoaderHttpStatusHandler);   
   //访问出错事件
   urlLoader.addEventListener(IOErrorEvent.IO_ERROR, urlLoaderIoErrorHandler);       
  }
  
  
  private function urlLoaderCompleteHandler(e:Event):void
  {           
   var txt:TextField = new TextField();
   txt.wordWrap = true;
   txt.width = 300;
   txt.type = TextFieldType.DYNAMIC;
   txt.text = "数据请求完成,返回数据为：" + e.target.data.success1;
   txt.text += "数据请求完成,返回数据为：" + e.target.data.success2;
   txt.y = 40;
   txt.multiline = true;
   this.addChild(txt);
  }
  
  private function urlLoaderOpenHandler(e:Event):void
  {
   var txt:TextField = new TextField();           
   txt.text = "连接已经打开";
   txt.multiline = true;
   txt.y = 20;
   this.addChild(txt);
  }
  
  private function urlLoaderProgressHandler(e:ProgressEvent):void
  {
   var num:uint = (e.bytesLoaded / e.bytesTotal) * 100;
   var txt:TextField = new TextField();
   txt.text = num + "%";
   txt.y = 0;
   this.addChild(txt);           
  }
  
  private function urlLoaderSecurityErrorHandler(e:SecurityErrorEvent):void
  {
   trace(e);
  }
  
  private function urlLoaderHttpStatusHandler(e:HTTPStatusEvent):void
  {
   trace(e);
  }
  
  private function urlLoaderIoErrorHandler(e:IOErrorEvent):void
  {
   trace(e);
  }
 }
}