深入Atlas系列：Web Sevices Access in Atlas示例（6） - 在客户端隐藏服务器端类型信息

namespace  Jeffz.HiddenTypes
{
     public   abstract   class  Employee
    {
         private   int  _Years;

         public   int  Years
        {
             get
            {
                 return   this ._Years;
            }
             set
            {
                 this ._Years  =  value;
            }
        }

         public   string  RealStatus
        {
             get
            {
                 return   this .GetType().Name;
            }
        }

         public   abstract   int  CalculateSalary();
    }
}

namespace  Jeffz.HiddenTypes
{
     public   class  Intern : Employee
    {
         public   override   int  CalculateSalary()
        {
             return   2000 ;
        }
    }
}

namespace  Jeffz.HiddenTypes
{
     public   class  Vendor : Employee
    {
         public   override   int  CalculateSalary()
        {
             return   5000   +   1000   *  (Years  -   1 );
        }
    }
}

namespace  Jeffz.HiddenTypes
{
     public   class  FulltimeEmployee : Employee
    {
         public   override   int  CalculateSalary()
        {
             return   12000   +   2000   *  (Years  -   1 );
        }
    }
}

[WebService(Namespace  =   " [url]http://tempuri.org/[/url] " )]
[WebServiceBinding(ConformsTo  =  WsiProfiles.BasicProfile1_1)]
[ScriptService]
public   class  ExposedRealTypesService : System.Web.Services.WebService
{
    [GenerateScriptType( typeof (Intern))]
    [GenerateScriptType( typeof (Vendor))]
    [GenerateScriptType( typeof (FulltimeEmployee))]
    [WebMethod]
     public   string  CalculateSalary(Employee employee)
    {
         return   " I'm  "   +  employee.RealStatus  +   " , my salary is  "   +  employee.CalculateSalary()  +   " . " ;
    }
    
}

< asp:ScriptManager  ID ="ScriptManager"  runat ="server" >
     < Services >
         < asp:ServiceReference  Path ="ExposedRealTypesService.asmx"  InlineScript ="false"   />
     </ Services >
</ asp:ScriptManager >
    
< div > Years: < input  type ="text"  id ="txtYears"   /></ div >
< div >
    Status:
     < select  id ="comboStatus"  style ="width:150px;" >
         < option  value ="Jeffz.HiddenTypes.Intern" > Intern </ option >
         < option  value ="Jeffz.HiddenTypes.Vendor" > Vendor </ option >
         < option  value ="Jeffz.HiddenTypes.FulltimeEmployee" > FTE </ option >
     </ select >
</ div >
< input  type ="button"  onclick ="calculateSalary()"  value ="Calculate!"   />
< h1 > Result: </ h1 >
< div  id ="result" ></ div >

function  calculateSalary()
{
     var  emp  =  eval( " new  "   +  $get( " comboStatus " ).value  +   " () " );
    emp.Years  =  parseInt($get( " txtYears " ).value,  10 );
    
    ExposedRealTypesService.CalculateSalary(emp, onComplete);
}
        
function  onComplete(result)
{
    $get( " result " ).innerHTML  =  result;
}

[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[ScriptService]
public class HiddenRealTypesService : System.Web.Services.WebService
{
    [GenerateScriptType(typeof(Intern),  ScriptTypeId="Intern")]
    [GenerateScriptType(typeof(Vendor),  ScriptTypeId = "Vendor")]
    [GenerateScriptType(typeof(FulltimeEmployee),  ScriptTypeId = "FTE")]
    [WebMethod]
    public string CalculateSalary(Employee employee)
    {
        return "I'm " + employee.RealStatus + ", my salary is " + employee.CalculateSalary() + ".";
    }    
}

internal   class  WebServiceData : JavaScriptTypeResolver
{
    ……

     private   void  ProcessIncludeAttributes(GenerateScriptTypeAttribute[] attributes)
    {
           foreach  (GenerateScriptTypeAttribute attribute1  in  attributes)
          {
                 if  ( ! string .IsNullOrEmpty(attribute1.ScriptTypeId))
                {
                       this ._typeResolverSpecials[attribute1.Type.FullName]  =  attribute1.ScriptTypeId;
                }

                ……

                 this .ProcessClientType(type1);
          }
    }

    ……
}

< asp:ScriptManager  ID ="ScriptManager"  runat ="server" >
     < Services >
         < asp:ServiceReference  Path ="HiddenRealTypesService.asmx"   />
     </ Services >
</ asp:ScriptManager >

var  emp  =   new  Jeffz.HiddenTypes.Intern();
……
HiddenRealTypesService.CalculateSalary(emp, onComplete);

< select  id ="comboStatus"  style ="width:150px;" >
     < option  value ="Intern" > Intern </ option >
     < option  value ="Vendor" > Vendor </ option >
     < option  value ="FTE" > FTE </ option >
</ select >

function  calculateSalary()
{
     var  emp  =  { '__type' : $get( "comboStatus" ).value };
    emp.Years  =  parseInt($get( " txtYears " ).value,  10 );
            
    HiddenRealTypesService.CalculateSalary(emp, onComplete);
}

void  Application_BeginRequest( object  sender, EventArgs e)
{
     string  pathInfo  =   this .Context.Request.PathInfo;
    
     if  ( " /js " .Equals(pathInfo, StringComparison.OrdinalIgnoreCase)  ||
         " /jsdebug " .Equals(pathInfo, StringComparison.OrdinalIgnoreCase))
    {
         throw   new  InvalidOperationException( " You can't get the proxy script! " );
    }
}

var  proxy  =  {
    _get_path :  function (){  return   " HiddenRealTypesService.asmx "  },
    get_defaultFailedCallback :  function (){},
    get_defaultUserContext :  function (){},
    get_timeout :  function (){  return   0 ;  /*  unlimited  */  }
};

function  calculateSalary()
{
     var  emp  =  { '__type' : $get( " comboStatus " ).value };
    emp.Years  =  parseInt($get( " txtYears " ).value,  10 );
    
    Sys.Net._WebMethod._invoke(
        proxy,  //  proxy
         " CalculateSalary " ,  //  method name for calling
         " CalculateSalary " ,  //  method name for showing
         false ,  //  do not use HTTP GET
        { employee : emp },  //  parameters
        onComplete  //  onSuccess
    );
}