Flex与.NET互操作(十四)：FluorineFx的AMF(Action Message Format)协议通信

namespace  FxDotNet.Services.DTO
{
    [FluorineFx.TransferObject]
     public   class  Book
    {
         public   int  ID {  get ;  set ; }
         public   string  Name {  get ;  set ; }
         public   string  Author {  get ;  set ; }
         public   double  Price {  get ;  set ; }

         public  Book()
        { }

         public  Book( int  id,  string  name,  string  author,  double  price)
        {
             this .ID  =  id;
             this .Name  =  name;
             this .Author  =  author;
             this .Price  =  price;
        }
    }
}

namespace  FxDotNet.Services
{
    [RemotingService]
     public   class  DataServices
    {
         public  DataServices()
        {
        }

         ///   <summary>
         ///  获取服务端的系统时间
         ///   </summary>
         ///   <returns></returns>
         public   string  GetServerTime()
        {
             return  DateTime.Now.ToString();
        }

         public  ArrayCollection GetBooks()
        {
            ArrayCollection array  =   new  ArrayCollection();
            array.Add( new  Book( 1 ,  " 三国演义 " ,  " 罗贯中 " ,  100.00 ));
            array.Add( new  Book( 2 ,  " 西游记 " ,  " 吴承恩 " ,  200.00 ));
            array.Add( new  Book( 3 ,  " 水浒传 " ,  " 施耐庵 " ,  300.00 ));
            array.Add( new  Book( 4 ,  " 红楼梦 " ,  " 曹雪芹 " ,  400.00 ));

             return  array;
        }
    }
}

< channels >
         < channel-definition  id ="my-amf"  class ="mx.messaging.channels.AMFChannel" >
             < endpoint  uri ="http://{server.name}:{server.port}/{context.root}/Gateway.aspx"  class ="flex.messaging.endpoints.AMFEndpoint" />
             < properties >
             </ properties >
         </ channel-definition >
</ channels >

<? xml version = " 1.0 "  encoding = " utf-8 " ?>
< mx:Application xmlns:mx = " http://www.adobe.com/2006/mxml "  layout = " absolute "  creationComplete = " init() "  fontSize = " 12 " >
     < mx:Script >
         <! [CDATA[
            import mx.collections.ArrayCollection;
            import mx.controls.List;
            import mx.rpc.events.FaultEvent;
            import mx.rpc.events.ResultEvent;
             private  var nc:NetConnection;
             private  var rs:Responder;
        
             private  function init(): void
            {
                nc  =   new  NetConnection();
                rs  =   new  Responder(onResult,onStatus);
            
                nc.objectEncoding  =  ObjectEncoding.AMF3;
                nc.connect( " http://localhost:2311/FxDotNet.Web/Gateway.aspx " );
                nc.client  =   this ;
            }
            
             private  function onResult(result:String): void
            {
                 this .lbServerTime.text  =   " 服务端系统时间为： "   +  result;
            }
            
             private  function onStatus( event :Object): void
            {
                trace( " Error " );
            }
            
             private  function getServerTime( event :MouseEvent): void
            {
                 // 服务器端所提供的RemotingService的全限定名
                nc.call( " FxDotNet.Services.DataServices.GetServerTime " ,rs);
            }        
        ]] >
     </ mx:Script >
     < mx:Button x = " 19 "  y = " 28 "  label = " 获取服务器系统时间 "  click = " getServerTime(event) " />
     < mx:Label x = " 19 "  y = " 60 "  width = " 402 "  id = " lbServerTime " />
</ mx:Application >

<? xml version = " 1.0 "  encoding = " utf-8 " ?>
< mx:Application xmlns:mx = " http://www.adobe.com/2006/mxml "  layout = " absolute "  fontSize = " 12 "  
    width = " 541 "  height = " 302 "  creationComplete = " init() " >
     < mx:Script >
         <! [CDATA[
            import mx.collections.ArrayCollection;
            import mx.controls.List;
            import mx.rpc.events.FaultEvent;
            import mx.rpc.events.ResultEvent;
             private  var nc:NetConnection;
             private  var rs:Responder;
        
             private  function init(): void
            {
                nc  =   new  NetConnection();
                rs  =   new  Responder(onResult,onFault);
            
                nc.objectEncoding  =  ObjectEncoding.AMF3;
                nc.connect( " http://localhost:2311/FxDotNet.Web/Gateway.aspx " );
                nc.client  =   this ;
            }
            
             private  function getBook( event :MouseEvent): void
            {
                nc.call( " FxDotNet.Services.DataServices.GetBooks " ,rs);
            }
            
             private  function onResult(result:ArrayCollection): void
            {
                 this .bookGrid.dataProvider  =  result;
            }
            
             private  function onFault( event :Object): void
            {
                trace( " Error " );
            }
        ]] >
     </ mx:Script >
    
     < mx:Button x = " 44 "  y = " 46 "  label = " 获取图书信息 "  click = " getBook(event) " />
      < mx:DataGrid x = " 44 "  y = " 78 "  id = " bookGrid " >
           < mx:columns >
               < mx:DataGridColumn headerText = " 编号 "  dataField = " ID " />
               < mx:DataGridColumn headerText = " 书名 "  dataField = " Name " />
               < mx:DataGridColumn headerText = " 作者 "  dataField = " Author " />
               < mx:DataGridColumn headerText = " 价格 "  dataField = " Price " />
           </ mx:columns >
       </ mx:DataGrid >
</ mx:Application >

/* ************服务端方法************ */
public  Book[] GetBookArray()
{
    Book[] book  =   new  Book[]
    {
         new  Book( 1 ,  " 三国演义 " ,  " 罗贯中 " ,  100.00 ),
         new  Book( 2 ,  " 西游记 " ,  " 吴承恩 " ,  200.00 ),
         new  Book( 3 ,  " 水浒传 " ,  " 施耐庵 " ,  300.00 ),
         new  Book( 4 ,  " 红楼梦 " ,  " 曹雪芹 " ,  400.00 )
    };
     return  book;
}
/* ************客户端方法************ */
private  function onResult(result:Array): void
{
    //
}

/* ************服务端方法************ */
///   <summary>
///  以泛型类型返回给客户端
///   </summary>
///   <returns></returns>
public  List < Book >  GetBookList()
{
    List < Book >  list  =   new  List < Book >
    {
         new  Book( 1 ,  " 三国演义 " ,  " 罗贯中 " ,  100.00 ),
         new  Book( 2 ,  " 西游记 " ,  " 吴承恩 " ,  200.00 ),
         new  Book( 3 ,  " 水浒传 " ,  " 施耐庵 " ,  300.00 ),
         new  Book( 4 ,  " 红楼梦 " ,  " 曹雪芹 " ,  400.00 )
    };
     return  list;
}
/* ************客户端方法************ */
private  function onResult(result:ArrayCollection): void
{
    //
}

返回DataTable类型