public static SessionAsync ( HttpContext context ) : System.Threading.Tasks.Task | ||
context | HttpContext | |
Résultat | System.Threading.Tasks.Task |
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline. public void Configure(IApplicationBuilder app, ILoggerFactory loggerFactory) { app.UseIISPlatformHandler(); app.UseStaticFiles(); loggerFactory.AddConsole(); loggerFactory.AddDebug(); // loggerFactory.AddConsole(Configuration.GetSection("Logging")); //loggerFactory.AddConsole(); // loggerFactory.AddDebug(); app.UseSession(); //// uncomment these lines to use the Middleware sample //app.UseHeaderMiddleware(); //app.UseHeading1Middleware(); app.Map("/home2", homeApp => { homeApp.Run(async context => { HomeController controller = app.ApplicationServices.GetService <HomeController>(); int statusCode = await controller.Index(context); context.Response.StatusCode = statusCode; }); }); app.Map("/session", sessionApp => { sessionApp.Run(async context => { await SessionSample.SessionAsync(context); }); }); PathString remaining; app.MapWhen(context => context.Request.Path.StartsWithSegments("/configuration", out remaining), configApp => { configApp.Run(async context => { if (remaining.StartsWithSegments("/appsettings")) { await ConfigSample.AppSettings(context, Configuration); } else if (remaining.StartsWithSegments("/database")) { await ConfigSample.ReadDatabaseConnection(context, Configuration); } else if (remaining.StartsWithSegments("/secret")) { await ConfigSample.UserSecret(context, Configuration); } }); }); app.Map("/configuration", configApp => { configApp.Run(async context => { await ConfigSample.ReadDatabaseConnection(context, Configuration); }); }); //// uncomment this app.Run invocation to active the Hello, World!output //app.Run(async (context) => //{ // await context.Response.WriteAsync("Hello World!"); //}); //// uncomment this app.Run invocation for the first Request and Response sample //app.Run(async (context) => //{ // await context.Response.WriteAsync(RequestAndResponseSample.GetRequestInformation(context.Request)); //}); //// uncomment this app.Run invocation for the custom routing //app.Run(async (context) => //{ // if (context.Request.Path.Value.ToLower() == "/home") // { // HomeController controller = // app.ApplicationServices.GetService<HomeController>(); // int statusCode = await controller.Index(context); // context.Response.StatusCode = statusCode; // return; // } // string result = string.Empty; // switch (context.Request.Path.Value.ToLower()) // { // case "/header": // result = RequestAndResponseSample.GetHeaderInformation(context.Request); // break; // case "/add": // result = RequestAndResponseSample.QueryString(context.Request); // break; // case "/content": // result = RequestAndResponseSample.Content(context.Request); // break; // case "/encoded": // result = RequestAndResponseSample.ContentEncoded(context.Request); // break; // case "/form": // result = RequestAndResponseSample.GetForm(context.Request); // break; // case "/writecookie": // result = RequestAndResponseSample.WriteCookie(context.Response); // break; // case "/readcookie": // result = RequestAndResponseSample.ReadCookie(context.Request); // break; // case "/json": // result = RequestAndResponseSample.GetJson(context.Response); // break; // default: // result = RequestAndResponseSample.GetRequestInformation(context.Request); // break; // } // await context.Response.WriteAsync(result); //}); // uncomment to use the home controller app.Run(async(context) => { if (context.Request.Path.Value.ToLower() == "/home") { HomeController controller = app.ApplicationServices.GetService <HomeController>(); int statusCode = await controller.Index(context); context.Response.StatusCode = statusCode; return; } }); }
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline. public void Configure(IApplicationBuilder app, ILoggerFactory loggerFactory) { app.UseStaticFiles(); loggerFactory.AddConsole(); loggerFactory.AddDebug(); // loggerFactory.AddConsole(Configuration.GetSection("Logging")); //loggerFactory.AddConsole(); // loggerFactory.AddDebug(); app.UseSession(); // uncomment these lines to use the Middleware sample // app.UseHeaderMiddleware(); // app.UseHeading1Middleware(); app.Map("/home2", homeApp => { homeApp.Run(async context => { HomeController controller = app.ApplicationServices.GetService <HomeController>(); await controller.Index(context); }); }); app.Map("/session", sessionApp => { sessionApp.Run(async context => { await SessionSample.SessionAsync(context); }); }); PathString remaining; app.MapWhen(context => context.Request.Path.StartsWithSegments("/configuration", out remaining), configApp => { configApp.Run(async context => { if (remaining.StartsWithSegments("/appsettings")) { await ConfigSample.AppSettings(context, Configuration); } else if (remaining.StartsWithSegments("/database")) { await ConfigSample.ReadDatabaseConnection(context, Configuration); } else if (remaining.StartsWithSegments("/secret")) { await ConfigSample.UserSecret(context, Configuration); } }); }); app.Map("/configuration", configApp => { configApp.Run(async context => { await ConfigSample.ReadDatabaseConnection(context, Configuration); }); }); //// uncomment this app.Run invocation to active the Hello, World! output //app.Run(async (context) => //{ // await context.Response.WriteAsync("Hello World!"); //}); //// uncomment this app.Run invocation for the first Request and Response sample //app.Run(async (context) => //{ // await context.Response.WriteAsync(RequestAndResponseSample.GetRequestInformation(context.Request)); //}); //// uncomment this app.Run invocation for the custom routing //app.Run(async (context) => //{ // if (context.Request.Path.Value.ToLower() == "/home") // { // HomeController controller = // app.ApplicationServices.GetService<HomeController>(); // int statusCode = await controller.Index(context); // context.Response.StatusCode = statusCode; // return; // } //} //// uncomment this app.Run invocation for request/response samples //app.Run(async (context) => //{ // string result = string.Empty; // switch (context.Request.Path.Value.ToLower()) // { // case "/header": // result = RequestAndResponseSample.GetHeaderInformation(context.Request); // break; // case "/add": // result = RequestAndResponseSample.QueryString(context.Request); // break; // case "/content": // result = RequestAndResponseSample.Content(context.Request); // break; // case "/encoded": // result = RequestAndResponseSample.ContentEncoded(context.Request); // break; // case "/form": // result = RequestAndResponseSample.GetForm(context.Request); // break; // case "/writecookie": // result = RequestAndResponseSample.WriteCookie(context.Response); // break; // case "/readcookie": // result = RequestAndResponseSample.ReadCookie(context.Request); // break; // case "/json": // result = RequestAndResponseSample.GetJson(context.Response); // break; // default: // result = RequestAndResponseSample.GetRequestInformation(context.Request); // break; // } // await context.Response.WriteAsync(result); //}); //// uncomment to use the home controller //app.Run(async (context) => //{ // if (context.Request.Path.Value.ToLower() == "/home") // { // HomeController controller = // app.ApplicationServices.GetService<HomeController>(); // int statusCode = await controller.Index(context); // context.Response.StatusCode = statusCode; // return; // } //}); app.Map("/RequestAndResponse", app1 => { app1.Run(async(context) => { await context.Response.WriteAsync( RequestAndResponseSample.GetRequestInformation(context.Request)); }); }); app.Map("/RequestAndResponse2", app1 => { app1.Run(async(context) => { string result = string.Empty; switch (context.Request.Path.Value.ToLower()) { case "/header": result = RequestAndResponseSample.GetHeaderInformation(context.Request); break; case "/add": result = RequestAndResponseSample.QueryString(context.Request); break; case "/content": result = RequestAndResponseSample.Content(context.Request); break; case "/encoded": result = RequestAndResponseSample.ContentEncoded(context.Request); break; case "/form": result = RequestAndResponseSample.GetForm(context.Request); break; case "/writecookie": result = RequestAndResponseSample.WriteCookie(context.Response); break; case "/readcookie": result = RequestAndResponseSample.ReadCookie(context.Request); break; case "/json": result = RequestAndResponseSample.GetJson(context.Response); break; default: result = RequestAndResponseSample.GetRequestInformation(context.Request); break; } await context.Response.WriteAsync(HtmlHelper.DocType() + HtmlHelper.HtmlStart() + HtmlHelper.Head() + HtmlHelper.BodyStart()); await context.Response.WriteAsync(result); await context.Response.WriteAsync(HtmlHelper.BodyEnd() + HtmlHelper.HtmlEnd()); }); }); // contrary to the sample as it is written in the book I've made it now easier for you // to start all the different parts by adding this list // This required minor changes to the code samples. However, you can comment the following code block // and uncomment the specific parts as described in the book app.Run(async(context) => { var sb = new StringBuilder(); sb.Append(HtmlHelper.DocType() + HtmlHelper.HtmlStart() + HtmlHelper.Head() + HtmlHelper.BodyStart()); sb.Append("<ul>"); sb.Append(@"<li><a href=""/hello.html"">Static Files</a> - requires UseStaticFiles</li>"); sb.Append(@"<li><a href=""/RequestAndResponse"">Request and Response</a>"); sb.Append("<li>Request and Response 2"); sb.Append("<ul>"); sb.Append(@"<li><a href=""/RequestAndResponse2/header"">Header</a></li>"); sb.Append(@"<li><a href=""/RequestAndResponse2/add?x=3&y=4"">Add</a></li>"); sb.Append(@"<li><a href=""/RequestAndResponse2/content?data=sample"">Content</a></li>"); sb.Append(@"<li><a href=""/RequestAndResponse2/content?data=<h1>sample</h1>"">HTML Content</a></li>"); sb.Append(@"<li><a href=""/RequestAndResponse2/content?data=<script>alert('hacker');</script>"">Bad Content</a></li>"); sb.Append(@"<li><a href=""/RequestAndResponse2/encoded?data=<h1>sample</h1>"">Encoded content</a></li>"); sb.Append(@"<li><a href=""/RequestAndResponse2/encoded?data=<script>alert('hacker');</script>"">Encoded bad Content</a></li>"); sb.Append(@"<li><a href=""/RequestAndResponse2/form"">Form</a></li>"); sb.Append(@"<li><a href=""/RequestAndResponse2/writecookie"">Write cookie</a></li>"); sb.Append(@"<li><a href=""/RequestAndResponse2/readcookie"">Read cookie</a></li>"); sb.Append(@"<li><a href=""/RequestAndResponse2/json"">JSON</a></li>"); sb.Append("</ul>"); sb.Append("</li>"); sb.Append(@"<li><a href=""/home2"">Home Controller with dependency injection</a></li>"); sb.Append(@"<li><a href=""/session"">Session</a></li>"); sb.Append("<li>Configuration"); sb.Append("<ul>"); sb.Append(@"<li><a href=""/configuration/appsettings"">Appsettings</a></li>"); sb.Append(@"<li><a href=""/configuration/database"">Database</a></li>"); sb.Append(@"<li><a href=""/configuration/secret"">Secrets </a></li>"); sb.Append("</ul>"); sb.Append("</li>"); sb.Append("</ul>"); sb.Append(HtmlHelper.BodyEnd() + HtmlHelper.HtmlEnd()); await context.Response.WriteAsync(sb.ToString()); }); }
//通过依赖注入接收参数 //IWebHostEnvironment允许访问环境的名称,内容的根路径(源代码目录),web的根路径(wwwroot),默认提供程序是PhysicalFileProvider //IApplicationBuilder接口用于向HTTP请求管道添加中间件,调用Use方法时可以构建HTTP请求管,来响应请求时应该做什么 //Use方法使用FluentAPI,返回IApplicationBuilder,可以很容易将多个中间件对象添加到管道中 public void Configure(IApplicationBuilder app, IWebHostEnvironment env) { //检测是否Development环境 if (env.IsDevelopment()) { app.UseDeveloperExceptionPage(); } //再写入任何响应之前,需要调用UseSession app.UseSession(); //自定义的中间件 app.UseHeaderMiddleware(); PathString remainingPath; //out remainingPath是MapWhen中/Configuration后面的路径赋值给remainingPath,然后在下面逻辑判断具体去哪一个页面 app.MapWhen(context => context.Request.Path.StartsWithSegments("/Configuration", out remainingPath), configurationApp => { configurationApp.Run(async context => { var configSample = app.ApplicationServices.GetService <ConfigurationSample>(); if (remainingPath.StartsWithSegments("/appsettings")) { await configSample.ShowApplicationSettingsAsync(context); } else if (remainingPath.StartsWithSegments("/colons")) { await configSample.ShowApplicationSettingsUsingColonsAsync(context); } else if (remainingPath.StartsWithSegments("/database")) { await configSample.ShowConnectionStringSettingAsync(context); } else if (remainingPath.StartsWithSegments("/stronglytyped")) { await configSample.ShowApplicationSettingsStronglyTyped(context); } }); }); app.Map("/Session", sessionApp => { sessionApp.Run(async context => { await SessionSample.SessionAsync(context); }); }); app.Map("/Home", homeApp => { homeApp.Run(async context => { //homeApp.ApplicationServices返回IServiceProvider注入HomeController的实现 HomeController controller = homeApp.ApplicationServices.GetService <HomeController>(); await controller.Index(context); }); }); //Map实现路由 app.Map("/RequestAndResponse", app1 => { app1.Run(async context => { //响应返回请求的信息 //await context.Response.WriteAsync(RequestAndResponseSamples.GetRequestInformation(context.Request)); context.Response.ContentType = "text/html"; string result = string.Empty; //根据请求的地址来调用不同的方法 switch (context.Request.Path.Value.ToLower()) { case "/header": result = RequestAndResponseSamples.GetHeaderInformation(context.Request); break; case "/add": result = RequestAndResponseSamples.QueryString(context.Request); break; case "/content": result = RequestAndResponseSamples.Content(context.Request); break; case "/encoded": result = RequestAndResponseSamples.ContentEncoded(context.Request); break; case "/form": result = RequestAndResponseSamples.GetForm(context.Request); break; case "/writecookie": result = RequestAndResponseSamples.WriteCookie(context.Response); break; case "/readcookie": result = RequestAndResponseSamples.ReadCookie(context.Request); break; case "/json": result = RequestAndResponseSamples.GetJson(context.Response); break; default: result = RequestAndResponseSamples.GetRequestInformation(context.Request); break; } await context.Response.WriteAsync(result); }); }); //允许客户端请求wwwroot中的静态文件 app.UseStaticFiles(); app.Run(async context => { await context.Response.WriteAsync("Hello World!"); }); //app.UseRouting(); //app.UseEndpoints(endpoints => //{ // endpoints.MapGet("/", async context => // { // await context.Response.WriteAsync("Hello World!"); // }); //}); //Run()方法在请求管道中注册最后一个中间件,方法参数是RequestDelegate类型的委托,接受HttpContext参数,返回一个Task //使用HttpContext可以访问来自浏览器的请求,并可以发送响应 //app.Run(async (context) => //{ // string[] lines = new[] // { // @"<ul>", // @"<li><a href=""/hello.html"">Static Files</a> - requires UseStaticFiles</li>", // @"<li>Request and Response", // @"<ul>", // @"<li><a href=""/RequestAndResponse"">Request and Response</a></li>", // @"<li><a href=""/RequestAndResponse/header"">Header</a></li>", // @"<li><a href=""/RequestAndResponse/add?x=38&y=4"">Add</a></li>", // @"<li><a href=""/RequestAndResponse/content?data=sample"">Content</a></li>", // @"<li><a href=""/RequestAndResponse/content?data=<h1>Heading 1</h1>"">HTML Content</a></li>", // @"<li><a href=""/RequestAndResponse/content?data=<script>alert('hacker');</script>"">Bad Content</a></li>", // @"<li><a href=""/RequestAndResponse/encoded?data=<h1>sample</h1>"">Encoded content</a></li>", // @"<li><a href=""/RequestAndResponse/encoded?data=<script>alert('hacker');</script>"">Encoded bad Content</a></li>", // @"<li><a href=""/RequestAndResponse/form"">Form</a></li>", // @"<li><a href=""/RequestAndResponse/writecookie"">Write cookie</a></li>", // @"<li><a href=""/RequestAndResponse/readcookie"">Read cookie</a></li>", // @"<li><a href=""/RequestAndResponse/json"">JSON</a></li>", // @"</ul>", // @"</li>", // @"<li><a href=""/Home"">Home Controller with dependency injection</a></li>", // @"<li><a href=""/abc/xyz/42hello42/foobar"">MapWhen with hello in the URL</a></li>", // @"<li><a href=""/Session"">Session</a></li>", // @"<li>Configuration", // @"<ul>", // @"<li><a href=""/Configuration/appsettings"">Appsettings</a></li>", // @"<li><a href=""/Configuration/colons"">Using Colons</a></li>", // @"<li><a href=""/Configuration/database"">Database</a></li>", // @"<li><a href=""/Configuration/stronglytyped"">Strongly Typed</a></li>", // @"</ul>", // @"</li>", // @"</ul>" // }; // var sb = new StringBuilder(); // foreach (var line in lines) // { // sb.Append(line); // } // string html = sb.ToString().HtmlDocument("Web Sample App"); // await context.Response.WriteAsync(html); //}); }