IServiceCollection

xuanthulabnet · Aug 29, 2020 · 119b7a5 · 119b7a5
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diff --git a/ASP_NET_CORE/04.ServiceCollection/04.ServiceCollection.csproj b/ASP_NET_CORE/04.ServiceCollection/04.ServiceCollection.csproj
@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <RootNamespace>_04.ServiceCollection</RootNamespace>
+  </PropertyGroup>
+
+</Project>
diff --git a/ASP_NET_CORE/04.ServiceCollection/Controller/ProductController.cs b/ASP_NET_CORE/04.ServiceCollection/Controller/ProductController.cs
@@ -0,0 +1,41 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using System.Text;
+using System.Linq;
+
+namespace _04.ServiceCollection
+{
+    public class ProductController
+    {
+        IListProductName lsPhone;
+        IListProductName lsLaptop;
+
+        // Inject hai dịch vụ qua phương thức khởi tạo
+        public ProductController(IListProductName lsphone, LaptopName lslaptop) {
+            Console.WriteLine(this.GetType().Name + " created");
+            this.lsPhone  = lsphone;
+            this.lsLaptop = lslaptop;
+        }
+
+        // Xuất danh sách sản phẩm cho Response
+        public async Task List(HttpContext context) {
+
+            var sb = new StringBuilder();
+            string lsPhoneHTML  = string.Join("", lsPhone.GetNames().Select(name  => name.HtmlTag("li"))).HtmlTag("ul");
+            string lsLaptopHTML = string.Join("", lsLaptop.GetNames().Select(name => name.HtmlTag("li"))).HtmlTag("ul");
+            sb.Append("Danh sách điện thoại".HtmlTag("h2"));
+            sb.Append(lsPhoneHTML);
+
+            sb.Append("Danh sách Laptop".HtmlTag("h2"));
+            sb.Append(lsLaptopHTML);
+
+            string menu         = HtmlHelper.MenuTop(HtmlHelper.DefaultMenuTopItems(), context.Request);
+            string html         = HtmlHelper.HtmlDocument("DS Sản phẩm", menu + sb.ToString().HtmlTag("div", "container"));
+
+            context.Response.StatusCode = 200;
+            await context.Response.WriteAsync(html);
+        }
+    }
+}
diff --git a/ASP_NET_CORE/04.ServiceCollection/HtmlHelper.cs b/ASP_NET_CORE/04.ServiceCollection/HtmlHelper.cs
@@ -0,0 +1,142 @@
+using System.Collections.Generic;
+using Microsoft.AspNetCore.Http;
+using System.Text;
+
+public static class HtmlHelper
+{
+    /// <summary>
+    /// Phát sinh trang HTML
+    /// </summary>
+    /// <param name="title">Tiêu đề trang</param>
+    /// <param name="content">Nội dung trong thẻ body</param>
+    /// <returns>Trang HTML</returns>
+    public static string HtmlDocument(string title, string content) {
+           return $@"
+                    <!DOCTYPE html>
+                    <html>
+                        <head>
+                            <meta charset=""UTF-8"">
+                            <title>{title}</title>
+                            <link rel=""stylesheet"" href=""/css/site.min.css"" />
+                            <script src=""/js/jquery.min.js"">
+                            </script><script src=""/js/popper.min.js"">
+                            </script><script src=""/js/bootstrap.min.js""></script> 
+                        </head>
+                        <body>
+                            {content}
+                        </body>
+                    </html>";
+      } 
+
+
+    /// <summary>
+    /// Phát sinh HTML thanh menu trên, menu nào  active phụ thuộc vào URL mà request gủi đến
+    /// </summary>
+    /// <param name="menus">Mảng các menu item, mỗi item có cấu trúc {url, lable}</param>
+    /// <param name="request">HttpRequest</param>
+    /// <returns></returns>
+
+      public  static string MenuTop(object[] menus, HttpRequest request) {
+
+          var menubuilder = new StringBuilder();
+          menubuilder.Append("<ul class=\"navbar-nav\">");
+          foreach (dynamic menu in menus) {
+              string _class = "nav-item";
+              // Active khi request.PathBase giống url của menu
+              if (request.PathBase  == menu.url)  _class += " active"; 
+              menubuilder.Append($@"
+                                <li class=""{_class}"">
+                                    <a class=""nav-link"" href=""{menu.url}"">{menu.label}</a>
+                                </li>
+                                ");
+          }
+          menubuilder.Append("</ul>\n");
+
+          string menuhtml = $@"
+                    <div class=""container"">
+                        <nav class=""navbar navbar-expand-lg navbar-dark mainbackground"">
+                            <a class=""navbar-brand"" href=""/"">XTLAB</a>
+                            <button class=""navbar-toggler"" type=""button""
+                                data-toggle=""collapse"" data-target=""#my-nav-bar""
+                                aria-controls=""my-nav-bar"" aria-expanded=""false"" aria-label=""Toggle navigation"">
+                                <span class=""navbar-toggler-icon""></span>
+                            </button>
+                            <div class=""collapse navbar-collapse"" id=""my-nav-bar"">
+                                {menubuilder}
+                            </div>
+                    </nav></div>";
+
+          return  menuhtml;
+      }
+
+      /// <summary>
+      /// Những menu item mặc định cho trang
+      /// </summary>
+      /// <returns>Mảng các menuitem</returns>
+      public static object[] DefaultMenuTopItems() {
+          return new object[] {
+              new {
+                  url = "/RequestInfo",
+                  label = "Request"
+              },
+              new {
+                  url = "/Form",
+                  label = "Form"
+              }
+              ,
+              new {
+                  url = "/Encoding",
+                  label = "Encoding"
+              }, 
+              new {
+                  url = "/Cookies",
+                  label = "Cookies"
+              },
+              new {
+                  url = "/Json",
+                  label = "JSON"
+              }
+          };
+      }
+
+      public static string HtmlTrangchu() {
+         return $@"
+          <div class=""container"">
+            <div class=""jumbotron"">
+                <h1 class=""display-4"">Đây là một trang Web .NET Core</h1>
+                <p class=""lead"">Trang Web này xây dựng trên nền tảng  <code>.NET Core</code>,
+                chưa sử dụng kỹ thuật MVC - nhằm mục đích học tập.
+                Mã nguồn trang này tại <a target=""_blank""
+                    href=""https://github.com/xuanthulabnet/learn-cs-netcore/blob/master/ASP_NET_CORE/03.RequestResponse/"">
+                    Mã nguồn Ví dụ</a>
+                
+                </p>
+                <hr class=""my-4"">
+                <p><code>.NET Core</code> là một hệ thống chạy đa nền tảng (Windows, Linux, macOS)</p>
+                <a class=""btn btn-danger btn-lg"" href=""https://xuanthulab.net/lap-trinh-c-co-ban/"" role=""button"">Xem thêm</a>
+            </div>
+        </div>
+         ";
+
+      }
+
+      // Mở rộng String, phát sinh thẻ HTML với nội dụng là String
+      // Ví dụ: 
+      // "content".HtmlTag() => <p>content</p>
+      // "content".HtmlTag("div", "text-danger") => <div class="text-danger">content</div>
+      public static string HtmlTag(this string content,  string tag = "p",  string _class = null) {
+          string cls = (_class != null) ? $" class=\"{_class}\"":null;
+          return $"<{tag + cls}>{content}</{tag}>";
+      }
+      public static string td(this string content, string _class = null) {
+          return content.HtmlTag("td", _class);
+      }
+      public static string tr(this string content, string _class = null) {
+          return content.HtmlTag("tr", _class);
+      }
+      public static string table(this string content, string _class = null) {
+          return content.HtmlTag("table", _class);
+      }
+
+
+}
diff --git a/ASP_NET_CORE/04.ServiceCollection/Program.cs b/ASP_NET_CORE/04.ServiceCollection/Program.cs
@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+
+namespace _04.ServiceCollection
+{
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            CreateHostBuilder(args).Build().Run();
+        }
+
+        public static IHostBuilder CreateHostBuilder(string[] args) =>
+            Host.CreateDefaultBuilder(args)
+                .ConfigureWebHostDefaults(webBuilder =>
+                {
+                    webBuilder.UseStartup<Startup>();
+                });
+    }
+}
diff --git a/ASP_NET_CORE/04.ServiceCollection/Properties/launchSettings.json b/ASP_NET_CORE/04.ServiceCollection/Properties/launchSettings.json
@@ -0,0 +1,27 @@
+{
+  "iisSettings": {
+    "windowsAuthentication": false, 
+    "anonymousAuthentication": true, 
+    "iisExpress": {
+      "applicationUrl": "http://localhost:10208",
+      "sslPort": 44346
+    }
+  },
+  "profiles": {
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "_04.ServiceCollection": {
+      "commandName": "Project",
+      "launchBrowser": true,
+      "applicationUrl": "https://localhost:5001;http://localhost:5000",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}
diff --git a/ASP_NET_CORE/04.ServiceCollection/Services/IListProductName.cs b/ASP_NET_CORE/04.ServiceCollection/Services/IListProductName.cs
@@ -0,0 +1,8 @@
+using System.Collections.Generic;
+using System.Collections;
+
+  public interface IListProductName
+  {
+        // Trả về danh sách các tên
+        IEnumerable<string> GetNames();
+  }
diff --git a/ASP_NET_CORE/04.ServiceCollection/Services/LaptopName.cs b/ASP_NET_CORE/04.ServiceCollection/Services/LaptopName.cs
@@ -0,0 +1,15 @@
+using System.Collections.Generic;
+using System.Collections;
+
+  public class LaptopName : IListProductName
+  {
+      public LaptopName() => System.Console.WriteLine("LaptopName Created");
+      // Mảng tên sản phẩm
+      string[] laptops = new string[]  {
+          "Apple MacBook Pro 13 inch", "HP Spectre X360", "Samsung Chromebook Pro"};
+
+      public IEnumerable<string> GetNames()
+      {
+          return laptops;
+      }
+  }
diff --git a/ASP_NET_CORE/04.ServiceCollection/Services/PhoneName.cs b/ASP_NET_CORE/04.ServiceCollection/Services/PhoneName.cs
@@ -0,0 +1,14 @@
+using System.Collections.Generic;
+using System.Collections;
+public class PhoneName : IListProductName
+{
+    public PhoneName() => System.Console.WriteLine("PhoneName created");
+    // Mảng tên các điện thoại
+    private List<string> phone_names =  new List<string> {
+        "Iphone 7", "Samsung Galaxy", "Nokia 123"
+    };
+    public IEnumerable<string> GetNames()
+    {
+        return phone_names;
+    }
+}
diff --git a/ASP_NET_CORE/04.ServiceCollection/Startup.cs b/ASP_NET_CORE/04.ServiceCollection/Startup.cs
@@ -0,0 +1,82 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+
+namespace _04.ServiceCollection {
+    public class Startup {
+        IServiceCollection  _services;
+
+
+        public void ConfigureServices (IServiceCollection services) {
+
+            services.AddSingleton<IListProductName, PhoneName> (); //  đăng ký dịch vụ, đối tượng chỉ tạo một lần
+            services.AddTransient<LaptopName, LaptopName> (); //  đăng ký dịch vụ, tạo mới  mỗi lần  triệu gọi
+            services.AddTransient<ProductController, ProductController> ();
+            _services = services;
+
+
+        }
+
+        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
+        public void Configure (IApplicationBuilder app, IWebHostEnvironment env) {
+            if (env.IsDevelopment ()) {
+                app.UseDeveloperExceptionPage ();
+            }
+
+            app.UseStaticFiles ();
+
+            app.UseRouting ();
+
+            app.Map ("/Product", app => {
+                app.Run (async (context) => {
+                    // Gọi đến dịch vụ ProductController
+                    var productcontroller = app.ApplicationServices.GetService<ProductController> ();
+                    await productcontroller.List (context);
+                });
+            });
+
+            app.MapWhen (
+                (context) => {
+                    return context.Request.Path.Value.StartsWith ("/Abcxyz");
+                },
+
+                appProduct => {
+                    appProduct.Run (async (context) => {
+                        await appProduct.ApplicationServices.GetService<ProductController> ().List (context);
+                    });
+                });
+
+            app.Map ("/allservice", app01 => {
+                app01.Run (async (context) => {
+
+                    var stringBuilder = new StringBuilder ();
+                    stringBuilder.Append ("<tr><th>Tên</th><th>Lifetime</th><th>Tên đầy đủ</th></tr>");
+                    foreach (var service in _services) {
+                        string tr = service.ServiceType.Name.ToString ().HtmlTag ("td") +
+                            service.Lifetime.ToString ().HtmlTag ("td") +
+                            service.ServiceType.FullName.HtmlTag ("td");
+                        stringBuilder.Append (tr.HtmlTag ("tr"));
+                    }
+
+                    string htmlallservice = stringBuilder.ToString ().HtmlTag ("table", "table table-bordered table-sm");
+                    string html = HtmlHelper.HtmlDocument ("Các dịch vụ", (htmlallservice));
+
+                    await context.Response.WriteAsync (html);
+                });
+            });
+
+            app.UseEndpoints (endpoints => {
+                endpoints.MapGet ("/", async context => {
+                    await context.Response.WriteAsync ("Hello World!");
+                });
+            });
+        }
+    }
+}
diff --git a/ASP_NET_CORE/04.ServiceCollection/appsettings.Development.json b/ASP_NET_CORE/04.ServiceCollection/appsettings.Development.json
@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft": "Warning",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  }
+}
diff --git a/ASP_NET_CORE/04.ServiceCollection/appsettings.json b/ASP_NET_CORE/04.ServiceCollection/appsettings.json
@@ -0,0 +1,10 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft": "Warning",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  },
+  "AllowedHosts": "*"
+}