复杂参数的基本使用方式

复杂参数的基本使用方式
•作为参数的类型一定要有默认的构造函数
–编译器自动生成默认的构造函数
–手动编写默认的构造函数
•客户端设置类型共有的域变量及属性
–设置的属性必须有Setter方法
•使用JSON进行传输格式
•自动进行序列化与反序列化

aspx

     < form id = " form1 "  runat = " server " >
         < asp:ScriptManager ID = " ScriptManager1 "  runat = " server " >
             < Services >
                 < asp:ServiceReference Path = " ColorService.asmx "  InlineScript = " true "   />
             </ Services >
         </ asp:ScriptManager >
        
         < input type = " button "  value = " Reverse Color "  onclick = " ReverseColor() "   />
        
         < script language = " javascript "  type = " text/javascript " >
            function ReverseColor()
            {
                var color  =  { " Red "  :  50 ,  " Green "  :  100 ,  " Blue "  :  200 };
                ColorService.Reverse(color, onSucceeded);
            }
            
            function onSucceeded(result)
            {
                alert(String.format(
                     " Red: {0}\nGreen: {1}\nBlue: {2} " ,
                    result.Red,
                    result.Green,
                    result.Blue));
            }            
         </ script >
     </ form >

ColorService.asmx

<% @ WebService Language = " C# "  Class = " ColorService "   %>

using  System;
using  System.Web;
using  System.Web.Services;
using  System.Web.Services.Protocols;
using  System.Web.Script.Services;
using  ComplexType;

[WebService(Namespace  =   " http://tempuri.org/ " )]
[WebServiceBinding(ConformsTo  =  WsiProfiles.BasicProfile1_1)]
[ScriptService]
public   class  ColorService  : System.Web.Services.WebService
{
    [WebMethod]
    [GenerateScriptType( typeof (Color))]
     public  Color Reverse(Color color)
    {
         return   new  Color(
            ( byte )( 255   -  color.Red),
            ( byte )( 255   -  color.Green),
            ( byte )( 255   -  color.Blue));
    }
    
}

Color.cs

using  System;
using  System.Data;
using  System.Configuration;
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;

namespace  ComplexType
{
     ///   <summary>
     ///  Summary description for Color
     ///   </summary>
     public   class  Color
    {
         public  Color() { }

         public  Color( byte  red,  byte  green,  byte  blue)
        {
             this .Red  =  red;
             this .Green  =  green;
             this .Blue  =  blue;
        }

         public   byte  Red;

         public   byte  Green;

         public   byte  Blue;
    }
}