asp.net + flash json

积少成多Flash(3) - ActionScript 3.0 基础之以文本形式、XML形式和JSON形式与ASP.NET通信

作者：webabcd


介绍
Flash ActionScript 3.0 以文本形式与ASP.NET通信、以XML形式与ASP.NET通信和以JSON形式与ASP.NET通信


示例
Text.aspx.cs

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class Text : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string s = "name: " + Request.QueryString["name"] + "; age: " + Request.QueryString["age"];

        Response.ClearContent();
        Response.ContentType = "text/plain";
        Response.Write(s);
        Response.End();
    }
}

Xml.aspx.cs

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class Xml : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string s = @"<?xml version=""1.0"" encoding=""utf-8""?>
            <root>
                <person name=""webabcd"" age=""27"">
                    <salary>1000</salary>
                </person>
                <person name=""webabcdefg"" age=""37"">
                    <salary>2000</salary>
                </person>
                <person name=""webabcdefghijklmn"" age=""47"">
                    <salary>3000</salary>
                </person>
            </root>";

        Response.ClearContent();
        Response.ContentType = "text/xml";
        Response.Write(s);
        Response.End();
    }
}

JSON.aspx.cs

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class JSON : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Person person = new Person();
        person.Name = "webabcd";
        person.Age = 27;

        HttpContext.Current.Response.ClearContent();
        // HttpContext.Current.Response.ContentType = "application/json";
        HttpContext.Current.Response.ContentType = "text/plain";

        // 把person对象序列化成JSON
        System.Runtime.Serialization.DataContractJsonSerializer dcjs = new System.Runtime.Serialization.DataContractJsonSerializer(person.GetType());
        dcjs.WriteObject(HttpContext.Current.Response.OutputStream, person);

        HttpContext.Current.Response.End();
    }
}

/// <summary>
/// Person类
/// </summary>
[System.Runtime.Serialization.DataContract]
public class Person
{
    private string _name;
    /// <summary>
    /// 姓名
    /// </summary>
    [System.Runtime.Serialization.DataMember]
    public string Name
    {
        get { return _name; }
        set { _name = value; }
    }

    private int _age;
    /// <summary>
    /// 年龄
    /// </summary>
    [System.Runtime.Serialization.DataMember]
    public int Age
    {
        get { return _age; }
        set { _age = value; }
    }
}

Net.as

package
{
    import flash.display.Sprite;
    import flash.net.URLLoader;
    import flash.net.URLRequest;
    import flash.net.URLVariables;
    import flash.net.URLRequestMethod;
    import flash.events.Event;
    
    // 对JSON的支持
    import com.adobe.serialization.json.JSON;
    
    public class Net extends Sprite
    {
        public function Net()
        {
            // 以文本形式与ASP.NET通信
            showText();
            
            // 以XML形式与ASP.NET通信
            showXml();
            
            // 以JSON形式与ASP.NET通信
            showJSON();
        }
        
        // 以文本形式与ASP.NET通信
        function showText():void
        {
            var v:URLVariables = new URLVariables("name=webabcd&age=27");
            var r:URLRequest = new URLRequest();
            r.url = "http://localhost:1343/Web/Text.aspx";
            r.method = URLRequestMethod.GET;
            r.data = v;
            
            var l:URLLoader = new URLLoader();
            l.load(r);
            l.addEventListener(Event.COMPLETE, textCompleteHandler);
        }
        
        function textCompleteHandler(event:Event):void
        {
            var l:URLLoader = URLLoader(event.target);
            
            trace(l.data);
            // output: name: webabcd; age: 27
        }
        
        // 以XML形式与ASP.NET通信
        function showXml():void
        {
            var v:URLVariables = new URLVariables()
            var r:URLRequest = new URLRequest();
            r.url = "http://localhost:1343/Web/Xml.aspx";
            r.method = URLRequestMethod.GET;
            r.data = v;
            
            
            var l:URLLoader = new URLLoader();
            l.load(r);
            l.addEventListener(Event.COMPLETE, xmlCompleteHandler);
        }
        
        function xmlCompleteHandler(event:Event):void
        {
            var l:URLLoader = event.target as URLLoader;
            var xml:XML = new XML(l.data);
            
            for each(var v in xml.person)
            {
                trace("姓名：" + v.@name + "；年龄：" + v.@age + "；薪水：" + v.salary);
            }
            // output: 
            // 姓名：webabcd；年龄：27；薪水：1000
            // 姓名：webabcdefg；年龄：37；薪水：2000
            // 姓名：webabcdefghijklmn；年龄：47；薪水：30
        }
        
        // 以JSON形式与ASP.NET通信
        function showJSON():void
        {
            var v:URLVariables = new URLVariables()
            var r:URLRequest = new URLRequest();
            r.url = "http://localhost:1343/Web/JSON.aspx";
            r.method = URLRequestMethod.GET;
            r.data = v;
            
            
            var l:URLLoader = new URLLoader();
            l.load(r);
            l.addEventListener(Event.COMPLETE, jsonCompleteHandler);
        }
        
        function jsonCompleteHandler(event:Event):void
        {
            var l:URLLoader = event.target as URLLoader;
            
            var v:* = JSON.decode(l.data);
            
            trace("姓名：" + v.Name + "；年龄：" + v.Age);
            // output: 姓名：webabcd；年龄：27
        }
    }
}