WCF与Linq To SQL与Silverlight架构例子打印版文档格式.docx

1、1.添加Dll引用2.添加ClientAcessPolicy.xmlaccess-policy policyallow-from http-request-headers=*domain uri=/allow-fromgrant-toresource path=/ include-subpaths=true/grant-to/policy/cross-domain-access/access-policy3.添加跨域访问服务类using System;using System.Collections.Generic;using System.Linq;using System.Text;nam

2、espace WCFServer System.ServiceModel.ServiceContract public interface IcrossDomainService System.ServiceModel.OperationContract System.ServiceModel.Web.WebGet（UriTemplate = ClientAccessPolicy.xml） System.ServiceModel.Channels.Message ProvidePolicyFile（）; public class crossDomainService : IcrossDomai

3、nService public System.ServiceModel.Channels.Message ProvidePolicyFile（） System.IO.FileStream filestream =System.IO.File.Open（ClientAcessPolicy.xml, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.ReadWrite）; System.Xml.XmlReader reader = System.Xml.XmlReader.Create（filestrea

4、m）; System.ServiceModel.Channels.Message result = System.ServiceModel.Channels.Message.CreateMessage（System.ServiceModel.Channels.MessageVersion.None, , reader）; return result;4.添加App.config ?configurationsystem.serviceModelserviceHostingEnvironment aspNetCompatibilityEnabled=behaviorsendpointBehavi

5、orsbehavior name=WCFServer.crossDomainServiceBehaviorwebHttp /behavior/endpointBehaviorsserviceBehaviors/serviceBehaviors/behaviorsservicesservice name=WCFServer.crossDomainServiceendpoint address= behaviorConfiguration= binding=webHttpBinding contract=WCFServer.IcrossDomainService /hostbaseAddresse

6、sadd baseAddress=http:/localhost:8731/baseAddresses/host/service/services/system.serviceModel/configuration（3）设计数据库（4）创建Linq To SQL（5）设计基于Linq To SQL创建数据操作类 public interface ImyDBControl int? addMytable（myTable myTable）; List searchMyTable（double y1, double y2）; public class myDBControl : ImyDBContr

7、ol public int? addMytable（myTable myTable） myTable.rowID = System.Guid.NewGuid（）; using （testDBDataContext db = new testDBDataContext（） db.myTable.InsertOnSubmit（myTable）; db.SubmitChanges（）; return null; public List p.y = y1 & p.y y2）.ToList（）;（1+）完成WCF宿主 public partial class Window1 : Window publi

8、c Window1（） InitializeComponent（）; System.ServiceModel.ServiceHost crossDomainHost; System.ServiceModel.ServiceHost myDBControlHost; static int byteSize = 2147483647; static bool httpGetEnabled = true; static string serverURL = ; private void button1_Click（object sender, RoutedEventArgs e） crossDoma

9、inHost = new System.ServiceModel.ServiceHost（typeof（CrossDomainService）; serverURL = crossDomainHost.BaseAddresses0.AbsoluteUri; crossDomainHost.Open（）; satrtServer（myDBControlHost, typeof（myDBControl）, typeof（ImyDBControl）, ref myDBControlHost）; this.button1.Content = 服务运行中 static void satrtServer（

10、string path, Type serviceType, Type serviceInterface, ref System.ServiceModel.ServiceHost host） string url = serverURL + path + host = new System.ServiceModel.ServiceHost（serviceType）; /-System.ServiceModel.Description.ServiceMetadataBehavior behavior = new ServiceMetadataBehavior（）; behavior.HttpGe

11、tEnabled = httpGetEnabled; behavior.HttpGetUrl = new Uri（url）; host.Description.Behaviors.Add（behavior）; System.Xml.XmlDictionaryReaderQuotas readerQuotas = new System.Xml.XmlDictionaryReaderQuotas（）; readerQuotas.MaxStringContentLength = byteSize; readerQuotas.MaxArrayLength = byteSize; readerQuota

12、s.MaxBytesPerRead = byteSize; System.ServiceModel.BasicHttpBinding basicHttpBinding = new System.ServiceModel.BasicHttpBinding（）; basicHttpBinding.ReaderQuotas = readerQuotas; basicHttpBinding.MaxReceivedMessageSize = byteSize; host.AddServiceEndpoint（serviceInterface, basicHttpBinding, url）; host.O

13、pen（）;测试在浏览器中打入8731/8731/myDBControlHost/（6）为Silverlight项目添加WCF引用1.重新创建一个Silverlight项目2.确保上步创建的WCF宿主已运行并已启动3.在Silverlight中引用WCF服务（7）开发Silverlight页面 /Canvas加载事件 private void Canvas_Loaded（object sender, RoutedEventArgs e） /保存按钮不可见 save.Visibility = Visibility.Collapsed; /创建按钮 private void create_Clic

14、k（object sender, RoutedEventArgs e） /清空文本框 x.Text = y.Text = 0 z.Text = System.DateTime.Now.ToString（）; /- /保存按钮可见 save.Visibility = Visibility.Visible; /创建按钮不可见 create.Visibility = Visibility.Collapsed; /保存按钮 private void save_Click（object sender, RoutedEventArgs e） /构建一个行对象 myService.myTable row =

15、 new mySilverlight.myService.myTable（）; row.x = x.Text; row.y = double.Parse（y.Text）; row.z = DateTime.Parse（z.Text）; row.rowID = System.Guid.NewGuid（）; /- /调用WCF服务完成保存 myService.ImyDBControlClient ser = new mySilverlight.myService.ImyDBControlClient（）; /保存完成后事件 ser.addMytableCompleted += new EventH

16、andler（ser_addMytableCompleted）; /保存 ser.addMytableAsync（row）; /保存按钮不可见 /创建按钮可见 create.Visibility = Visibility.Visible; /保存完成后 void ser_addMytableCompleted（object sender, mySilverlight.myService.addMytableCompletedEventArgs e） MessageBox.Show（添加完成）; private void search_Click（object sender, RoutedEve

17、ntArgs e） /查询完成后的返回事件 ser.searchMyTableCompleted += new EventHandler（ser_searchMyTableCompleted）; /查询 ser.searchMyTableAsync（double.Parse（y1.Text）, double.Parse（y2.Text）; /查询完成后 void ser_searchMyTableCompleted（object sender, mySilverlight.myService.searchMyTableCompletedEventArgs e） dg.ItemsSource = e.Result;