跟着麒麟大神的帖子一步步学习：

http://www.cnblogs.com/zhuqil/archive/2010/04/16/WF4CashRegister.html

构造个Product类

1     public class ProductItem2     {3         public decimal ProductPrice { get; set; }4         public int ProductNumber { get; set; }5         public string ProductName { get; set; }6     }7

构造个Order类

1   public  class  Order 2     { 3         public string CashMethod{
    get;set;} 4         public List
      
        ProductList { get; set; } 5  6         public Order() 7         { 8             ProductList = new List
       
        (); 9         }10     }
       
      

 

WF代码：

1 
      
        12   
       
         13     
         14     
         15     
         16   
        17   
       
        C#
        18   
       
        WF2Demo.CashRegister3_1
        19   
       
         20     
        
          21       
         
          System
          22       
         
          System.Collections.Generic
          23       
         
          System.Data
          24       
         
          System.Linq
          25       
         
          System.Text
          26       
         
          WF2Demo
          27     
         28   
        29   
       
         30     
        
          31       
         
          Microsoft.CSharp
          32       
         
          System
          33       
         
          System.Activities
          34       
         
          System.Core
          35       
         
          System.Data
          36       
         
          System.Runtime.Serialization
          37       
         
          System.ServiceModel
          38       
         
          System.ServiceModel.Activities
          39       
         
          System.Xaml
          40       
         
          System.Xml
          41       
         
          System.Xml.Linq
          42       
         
          mscorlib
          43       
         
          WF2Demo
          44     
         45   
        46   
       
         47     
         48     
        
          49       
         
           50         
          
            51           
           
            Order.ProductList
            52         
           53       
          54       
         
           55         
          
            56           
            57         
           58         
          
            59           
           
             60 
            
              61 
             
              totalPrices
              62 
             63 
            64           
           
             65 
            
              66 
             
              totalPrices + item.ProductNumber * item.ProductPrice
              67 
             68 
            69         
           70       
          71     
         72     
        
          73       
         
           74         
          
            75           
           
            Order.CashMethod
            76         
           77       
          78       
         
           79         
          
            80           
           
             81 
            
             totalPrices
             82 
            83         
           84         
          
            85           
           
             86 
            
             totalPrices*07M
             87 
            88         
           89       
          90       
         
           91         
          
            92           
           
             93 
            
             totalPrices
             94 
            95         
           96         
          
            97           
           
             98 
            
             totalPrices*0.8M
             99 
           100         
          101       
         102       
         
          103         
          
           104           
           
            105 
            
             totalPrices>=300
            106 
           107         
          108         
          
           109           
           
            110 
            111 
            
             112 
             
              113 
              
               114 
               
                totalPrices
               115 
              116 
             117 
             
              118 
              
               119 
               
                totalPrices-100
               120 
              121 
             122 
            123 
           124         
          125       
         126       
         
          127         
          
           128           
           
            129 
            
             totalPrices>=200
            130 
           131         
          132         
          
           133           
           
            134 
            135 
            
             136 
             
              137 
              
               138 
               
                totalPrices
               139 
              140 
             141 
             
              142 
              
               143 
               
                totalPrices-50
               144 
              145 
             146 
            147 
           148         
          149       
         150     
        151     
        
         dypEOlxTYWtlXFdGMkRlbW9cV0YyRGVtb1xDYXNoUmVnaXN0ZXIzLnhhbWwgLgOYAQ4CAQEvBS9QAgFLMAVHDwIBO0gFlgEOAgECL0MvTQIBTDMLM3QCAUc6CUUSAgE8SwtLWQIBA04HWRACATJaB2UQAgEpZgd9DAIBGH4HlQEMAgEHQg9CggECAUI9Dz1hAgE9Vg1WWwIBN1ENUV8CATNiDWJcAgEuXQ1dXwIBKmkNaV8CARltC3sWAgEdgQENgQFfAgEIhQELkwEWAgEMbg1uWAIBJ28NehYCAR6GAQ2GAVcCARaHAQ2SARYCAQ1uS25VAgEodxN3YQIBI3ITcmUCAR+GAUuGAVQCARePAROPAWACARKKAROKAWUCAQ4=
        152   
       153   
       
        154     
        
         155       
         156       
         157       
         158       
         159       
         160       
         161       
         162       
         
          163         
          
           164           
           
            165 
            
             True
            166 
           167         
          168       
         169       
         170       
         171       
         172       
         
          173         
          
           174           
           
            175 
            
             True
            176 
           177         
          178       
         179       
         180       
         181       
         
          182         
          
           183           
           
            184 
            
             True
            185 
           186         
          187       
         188       
         189     
        190   
       191 
      

 

控制台入口：

1  static void Main(string[] args) 2         { 3             Order myOrder = new Order(); 4             ProductItem item1 = new ProductItem(); 5             item1.ProductName = "苹果"; 6             item1.ProductPrice = 5; 7             item1.ProductNumber = 2; 8             myOrder.ProductList.Add(item1); 9 10             ProductItem item2 = new ProductItem();11             item2.ProductName = "外套";12             item2.ProductPrice = 200;13             item2.ProductNumber = 1;14             myOrder.ProductList.Add(item2);15             myOrder.CashMethod = "满200返50";16             // create dictionary with input arguments for the workflow17             IDictionary
      
        input = new Dictionary
       
         18             {19                 { "Order" , myOrder }20             };21 22             IDictionary
        
          output23                = WorkflowInvoker.Invoke(new CashRegister(), input);24             decimal total = (decimal)output["totalPrices"];25 26             Console.WriteLine("工作流返回的总金额为:" + total.ToString());27 28 29             output30                = WorkflowInvoker.Invoke(new CashRegister1(), input);31              total = (decimal)output["totalPrices"];32             Console.WriteLine("工作流1返回的总金额为:" + total.ToString());33 34 35             output36               = WorkflowInvoker.Invoke(new CashRegister3(), input);37             total = (decimal)output["totalPrices"];38             Console.WriteLine("工作流3返回的总金额为:" + total.ToString());39             Console.Read();40         }