WF+WCF+WPF第二天--模拟超市收银

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 ProductItem
2     {
3         public decimal ProductPrice { get; set; }
4         public int ProductNumber { get; set; }
5         public string ProductName { get; set; }
6     }
7
View Code

构造个Order类

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

 

WF代码：

  1 <Activity mc:Ignorable="sap sap2010 sads" x:Class="WF2Demo.CashRegister3"
  2  xmlns="http://schemas.microsoft.com/netfx/2009/xaml/activities"
  3  xmlns:local="clr-namespace:WF2Demo"
  4  xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
  5  xmlns:mca="clr-namespace:Microsoft.CSharp.Activities;assembly=System.Activities"
  6  xmlns:sads="http://schemas.microsoft.com/netfx/2010/xaml/activities/debugger"
  7  xmlns:sap="http://schemas.microsoft.com/netfx/2009/xaml/activities/presentation"
  8  xmlns:sap2010="http://schemas.microsoft.com/netfx/2010/xaml/activities/presentation"
  9  xmlns:scg="clr-namespace:System.Collections.Generic;assembly=mscorlib"
 10  xmlns:sco="clr-namespace:System.Collections.ObjectModel;assembly=mscorlib"
 11  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
 12   <x:Members>
 13     <x:Property Name="Order" Type="InArgument(local:Order)" />
 14     <x:Property Name="CashMethod" Type="InArgument(x:String)" />
 15     <x:Property Name="totalPrices" Type="OutArgument(x:Decimal)" />
 16   </x:Members>
 17   <sap2010:ExpressionActivityEditor.ExpressionActivityEditor>C#</sap2010:ExpressionActivityEditor.ExpressionActivityEditor>
 18   <sap2010:WorkflowViewState.IdRef>WF2Demo.CashRegister3_1</sap2010:WorkflowViewState.IdRef>
 19   <TextExpression.NamespacesForImplementation>
 20     <sco:Collection x:TypeArguments="x:String">
 21       <x:String>System</x:String>
 22       <x:String>System.Collections.Generic</x:String>
 23       <x:String>System.Data</x:String>
 24       <x:String>System.Linq</x:String>
 25       <x:String>System.Text</x:String>
 26       <x:String>WF2Demo</x:String>
 27     </sco:Collection>
 28   </TextExpression.NamespacesForImplementation>
 29   <TextExpression.ReferencesForImplementation>
 30     <sco:Collection x:TypeArguments="AssemblyReference">
 31       <AssemblyReference>Microsoft.CSharp</AssemblyReference>
 32       <AssemblyReference>System</AssemblyReference>
 33       <AssemblyReference>System.Activities</AssemblyReference>
 34       <AssemblyReference>System.Core</AssemblyReference>
 35       <AssemblyReference>System.Data</AssemblyReference>
 36       <AssemblyReference>System.Runtime.Serialization</AssemblyReference>
 37       <AssemblyReference>System.ServiceModel</AssemblyReference>
 38       <AssemblyReference>System.ServiceModel.Activities</AssemblyReference>
 39       <AssemblyReference>System.Xaml</AssemblyReference>
 40       <AssemblyReference>System.Xml</AssemblyReference>
 41       <AssemblyReference>System.Xml.Linq</AssemblyReference>
 42       <AssemblyReference>mscorlib</AssemblyReference>
 43       <AssemblyReference>WF2Demo</AssemblyReference>
 44     </sco:Collection>
 45   </TextExpression.ReferencesForImplementation>
 46   <Sequence sap2010:WorkflowViewState.IdRef="Sequence_1">
 47     <WriteLine sap2010:WorkflowViewState.IdRef="WriteLine_1" Text="WF Begin" />
 48     <ForEach x:TypeArguments="local:ProductItem" DisplayName="ForEach&lt;ProductItem&gt;" sap2010:WorkflowViewState.IdRef="ForEach`1_1">
 49       <ForEach.Values>
 50         <InArgument x:TypeArguments="scg:IEnumerable(local:ProductItem)">
 51           <mca:CSharpValue x:TypeArguments="scg:IEnumerable(local:ProductItem)">Order.ProductList</mca:CSharpValue>
 52         </InArgument>
 53       </ForEach.Values>
 54       <ActivityAction x:TypeArguments="local:ProductItem">
 55         <ActivityAction.Argument>
 56           <DelegateInArgument x:TypeArguments="local:ProductItem" Name="item" />
 57         </ActivityAction.Argument>
 58         <Assign sap2010:WorkflowViewState.IdRef="Assign_1">
 59           <Assign.To>
 60             <OutArgument x:TypeArguments="x:Decimal">
 61               <mca:CSharpReference x:TypeArguments="x:Decimal">totalPrices</mca:CSharpReference>
 62             </OutArgument>
 63           </Assign.To>
 64           <Assign.Value>
 65             <InArgument x:TypeArguments="x:Decimal">
 66               <mca:CSharpValue x:TypeArguments="x:Decimal">totalPrices + item.ProductNumber * item.ProductPrice</mca:CSharpValue>
 67             </InArgument>
 68           </Assign.Value>
 69         </Assign>
 70       </ActivityAction>
 71     </ForEach>
 72     <Switch x:TypeArguments="x:String" sap2010:WorkflowViewState.IdRef="Switch`1_1">
 73       <Switch.Expression>
 74         <InArgument x:TypeArguments="x:String">
 75           <mca:CSharpValue x:TypeArguments="x:String">Order.CashMethod</mca:CSharpValue>
 76         </InArgument>
 77       </Switch.Expression>
 78       <Assign x:Key="打七折" sap2010:WorkflowViewState.IdRef="Assign_2">
 79         <Assign.To>
 80           <OutArgument x:TypeArguments="x:Decimal">
 81             <mca:CSharpReference x:TypeArguments="x:Decimal">totalPrices</mca:CSharpReference>
 82           </OutArgument>
 83         </Assign.To>
 84         <Assign.Value>
 85           <InArgument x:TypeArguments="x:Decimal">
 86             <mca:CSharpValue x:TypeArguments="x:Decimal">totalPrices*07M</mca:CSharpValue>
 87           </InArgument>
 88         </Assign.Value>
 89       </Assign>
 90       <Assign x:Key="打八折" sap2010:WorkflowViewState.IdRef="Assign_3">
 91         <Assign.To>
 92           <OutArgument x:TypeArguments="x:Decimal">
 93             <mca:CSharpReference x:TypeArguments="x:Decimal">totalPrices</mca:CSharpReference>
 94           </OutArgument>
 95         </Assign.To>
 96         <Assign.Value>
 97           <InArgument x:TypeArguments="x:Decimal">
 98             <mca:CSharpValue x:TypeArguments="x:Decimal">totalPrices*0.8M</mca:CSharpValue>
 99           </InArgument>
100         </Assign.Value>
101       </Assign>
102       <If x:Key="满300返100" sap2010:WorkflowViewState.IdRef="If_1">
103         <If.Condition>
104           <InArgument x:TypeArguments="x:Boolean">
105             <mca:CSharpValue x:TypeArguments="x:Boolean">totalPrices&gt;=300</mca:CSharpValue>
106           </InArgument>
107         </If.Condition>
108         <If.Then>
109           <Sequence sap2010:WorkflowViewState.IdRef="Sequence_2">
110             <WriteLine sap2010:WorkflowViewState.IdRef="WriteLine_2" Text="满300返100" />
111             <Assign sap2010:WorkflowViewState.IdRef="Assign_4">
112               <Assign.To>
113                 <OutArgument x:TypeArguments="x:Decimal">
114                   <mca:CSharpReference x:TypeArguments="x:Decimal">totalPrices</mca:CSharpReference>
115                 </OutArgument>
116               </Assign.To>
117               <Assign.Value>
118                 <InArgument x:TypeArguments="x:Decimal">
119                   <mca:CSharpValue x:TypeArguments="x:Decimal">totalPrices-100</mca:CSharpValue>
120                 </InArgument>
121               </Assign.Value>
122             </Assign>
123           </Sequence>
124         </If.Then>
125       </If>
126       <If x:Key="满200返50" sap2010:WorkflowViewState.IdRef="If_2">
127         <If.Condition>
128           <InArgument x:TypeArguments="x:Boolean">
129             <mca:CSharpValue x:TypeArguments="x:Boolean">totalPrices&gt;=200</mca:CSharpValue>
130           </InArgument>
131         </If.Condition>
132         <If.Then>
133           <Sequence sap2010:WorkflowViewState.IdRef="Sequence_3">
134             <WriteLine sap2010:WorkflowViewState.IdRef="WriteLine_3" Text="满200返50" />
135             <Assign sap2010:WorkflowViewState.IdRef="Assign_5">
136               <Assign.To>
137                 <OutArgument x:TypeArguments="x:Decimal">
138                   <mca:CSharpReference x:TypeArguments="x:Decimal">totalPrices</mca:CSharpReference>
139                 </OutArgument>
140               </Assign.To>
141               <Assign.Value>
142                 <InArgument x:TypeArguments="x:Decimal">
143                   <mca:CSharpValue x:TypeArguments="x:Decimal">totalPrices-50</mca:CSharpValue>
144                 </InArgument>
145               </Assign.Value>
146             </Assign>
147           </Sequence>
148         </If.Then>
149       </If>
150     </Switch>
151     <sads:DebugSymbol.Symbol>dypEOlxTYWtlXFdGMkRlbW9cV0YyRGVtb1xDYXNoUmVnaXN0ZXIzLnhhbWwgLgOYAQ4CAQEvBS9QAgFLMAVHDwIBO0gFlgEOAgECL0MvTQIBTDMLM3QCAUc6CUUSAgE8SwtLWQIBA04HWRACATJaB2UQAgEpZgd9DAIBGH4HlQEMAgEHQg9CggECAUI9Dz1hAgE9Vg1WWwIBN1ENUV8CATNiDWJcAgEuXQ1dXwIBKmkNaV8CARltC3sWAgEdgQENgQFfAgEIhQELkwEWAgEMbg1uWAIBJ28NehYCAR6GAQ2GAVcCARaHAQ2SARYCAQ1uS25VAgEodxN3YQIBI3ITcmUCAR+GAUuGAVQCARePAROPAWACARKKAROKAWUCAQ4=</sads:DebugSymbol.Symbol>
152   </Sequence>
153   <sap2010:WorkflowViewState.ViewStateManager>
154     <sap2010:ViewStateManager>
155       <sap2010:ViewStateData Id="WriteLine_1" sap:VirtualizedContainerService.HintSize="484,63" />
156       <sap2010:ViewStateData Id="Assign_1" sap:VirtualizedContainerService.HintSize="243,62" />
157       <sap2010:ViewStateData Id="ForEach`1_1" sap:VirtualizedContainerService.HintSize="484,214" />
158       <sap2010:ViewStateData Id="Assign_2" sap:VirtualizedContainerService.HintSize="243,62" />
159       <sap2010:ViewStateData Id="Assign_3" sap:VirtualizedContainerService.HintSize="243,62" />
160       <sap2010:ViewStateData Id="WriteLine_2" sap:VirtualizedContainerService.HintSize="243,63" />
161       <sap2010:ViewStateData Id="Assign_4" sap:VirtualizedContainerService.HintSize="243,62" />
162       <sap2010:ViewStateData Id="Sequence_2" sap:VirtualizedContainerService.HintSize="265,289">
163         <sap:WorkflowViewStateService.ViewState>
164           <scg:Dictionary x:TypeArguments="x:String, x:Object">
165             <x:Boolean x:Key="IsExpanded">True</x:Boolean>
166           </scg:Dictionary>
167         </sap:WorkflowViewStateService.ViewState>
168       </sap2010:ViewStateData>
169       <sap2010:ViewStateData Id="If_1" sap:VirtualizedContainerService.HintSize="464,443" />
170       <sap2010:ViewStateData Id="WriteLine_3" sap:VirtualizedContainerService.HintSize="243,63" />
171       <sap2010:ViewStateData Id="Assign_5" sap:VirtualizedContainerService.HintSize="243,62" />
172       <sap2010:ViewStateData Id="Sequence_3" sap:VirtualizedContainerService.HintSize="265,289">
173         <sap:WorkflowViewStateService.ViewState>
174           <scg:Dictionary x:TypeArguments="x:String, x:Object">
175             <x:Boolean x:Key="IsExpanded">True</x:Boolean>
176           </scg:Dictionary>
177         </sap:WorkflowViewStateService.ViewState>
178       </sap2010:ViewStateData>
179       <sap2010:ViewStateData Id="If_2" sap:VirtualizedContainerService.HintSize="464,443" />
180       <sap2010:ViewStateData Id="Switch`1_1" sap:VirtualizedContainerService.HintSize="484,707" />
181       <sap2010:ViewStateData Id="Sequence_1" sap:VirtualizedContainerService.HintSize="506,1188">
182         <sap:WorkflowViewStateService.ViewState>
183           <scg:Dictionary x:TypeArguments="x:String, x:Object">
184             <x:Boolean x:Key="IsExpanded">True</x:Boolean>
185           </scg:Dictionary>
186         </sap:WorkflowViewStateService.ViewState>
187       </sap2010:ViewStateData>
188       <sap2010:ViewStateData Id="WF2Demo.CashRegister3_1" sap:VirtualizedContainerService.HintSize="546,1268" />
189     </sap2010:ViewStateManager>
190   </sap2010:WorkflowViewState.ViewStateManager>
191 </Activity>
View Code

 

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 workflow
17             IDictionary<string, object> input = new Dictionary<string, object> 
18             {
19                 { "Order" , myOrder }
20             };
21 
22             IDictionary<string, object> output
23                = 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             output
30                = 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             output
36               = 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         }
View Code

 

posted @ 2015-03-02 14:23  Sake.Z.L.B  阅读(594)  评论(0)  编辑  收藏  举报