jsp 网站开发教程,网站建设与推广完美结合,域名到期换个公司做网站,房屋装修效果图整套看大家好像对我的NParsing框架不是很感兴趣#xff08;写NParsing帖没人顶我#xff09;#xff0c;那就给大家来点“甜品”#xff0c;换换口谓。来说说Silverlight方面的东西。 在Silverlight中数据通信只能用异步。有人会觉得写起来很麻烦#xff0c;其实不然。也有很简…看大家好像对我的NParsing框架不是很感兴趣写NParsing帖没人顶我那就给大家来点“甜品”换换口谓。来说说Silverlight方面的东西。 在Silverlight中数据通信只能用异步。有人会觉得写起来很麻烦其实不然。也有很简单的写法一句话就能搞定。哈哈下面看代码 吧。这是一个用户登录的功能。 首先是WCF异步调用接口定义 代码 1 usingSystem;2 usingSystem.ServiceModel;3 usingTest.Model;4 5 namespaceTest.Silverlight.Client6 {7 [ServiceContract]8 publicinterfaceIUserService9 {10 ///summary11 ///用户登录12 ////summary13 ///param nameusername用户名/param14 ///param namepassword密码/param15 ///param nameasyncCallback/param16 ///param nameasyncState/param17 ///returns18 ///0 登录失败19 ///1 登录成功20 ///2 用户不存 21 /// 3 密码错误22 ///4 用户未审核23 ////returns24 [OperationContract(AsyncPattern true)]25 IAsyncResult BeginLogin(stringusername, stringpassword, AsyncCallback asyncCallback, objectasyncState);26 intEndLogin(outUser userInfo, IAsyncResult result);27 }28 } 然后是WCF客户端通信代理类 代码 1 usingSystem;2 usingSystem.ServiceModel;3 usingSystem.ServiceModel.Channels;4 usingTest.Model;5 6 namespaceTest.Silverlight.Client7 {8 publicclassUserClient : ClientBaseIUserService, IUserService9 {10 privatestaticreadonlyBinding binding newBasicHttpBinding();11 publicUserClient(EndpointAddress remoteAddress) : base(binding, remoteAddress)12 {13 }14 15 publicIAsyncResult BeginLogin(stringusername, stringpassword, AsyncCallback asyncCallback, object16 17 asyncState)18 {19 returnChannel.BeginLogin(username, password, asyncCallback, asyncState);20 }21 22 publicintEndLogin(outUser userInfo, IAsyncResult result)23 {24 returnChannel.EndLogin(outuserInfo, result);25 }26 }27 } 最后就是Silverlight中怎么调用啦 代码 1 usingSystem;2 usingSystem.IO;3 usingSystem.Threading;4 usingSystem.Windows;5 usingSystem.Windows.Controls;6 usingSystem.Windows.Input;7 usingSystem.Windows.Media;8 usingSystem.Windows.Media.Imaging;9 usingTest.Model;10 usingTest.Silverlight.Client;11 12 namespaceTest.SilverlightApplication13 {14 publicpartialclassUserLogin : UserControl15 {16 privatereadonlyUserClient _UserClient newUserClient(SystemData.UserService_EndpointAddress);17 privatereadonlySynchronizationContext syn;18 19 publicUserLogin()20 {21 syn SynchronizationContext.Current;22 InitializeComponent();23 }24 25 privatevoidbtnLogin_Click(objectsender, RoutedEventArgs e)26 {27 _UserClient.BeginLogin(txtUsername.Text.Trim(), txtPassword.Password.Trim(),28 ar 29 {30 User userInfo;31 intiRet ((IUserService) ar.AsyncState).EndLogin(outuserInfo, ar);32 syn.Post(obj 33 {34 switch((int) obj)35 {36 case0:37 MessageBox.Show(用户登录失败。, 提示信息, MessageBoxButton.OK);38 break;39 case1:40 MessageBox.Show(用户登录成功。, 提示信息, MessageBoxButton.OK);41 break;42 case2:43 case3:44 MessageBox.Show(用户不存在或密码错误。, 提示信息, MessageBoxButton.OK);45 break;46 case4:47 MessageBox.Show(用户未审核请耐心等待。, 提示信息, MessageBoxButton.OK);48 break;49 }50 },51 iRet);52 },53 _UserClient);54 }55 }56 } 好了完成。转载于:https://www.cnblogs.com/yinxiangpei/articles/2622245.html
