完成efcore的存储过程操作。

RazorPages/StudentManagement.RazorPage.Services/AppDbContext.cs

+using Microsoft.EntityFrameworkCore;
+using StudentManagement.RazorPage.Models;
+
+namespace StudentManagement.RazorPage.Services
+{
+    public class AppDbContext : DbContext
+    {
+        public AppDbContext(DbContextOptions<AppDbContext> options)
+          : base(options)
+        {
+        }
+
+            public DbSet<Student> Students { get; set; }
+
+    }
+}
\ No newline at end of file

RazorPages/StudentManagement.RazorPage.Services/IStudentRepository.cs

@@ -16,5 +16,10 @@ namespace StudentManagement.RazorPage.Services
         Student Delete(int id);
 
         IEnumerable<ClassHeadCount> StudentCountByClassNameEnum(ClassNameEnum? className);
+
+
+            IEnumerable<Student> Search(string searchTerm);
+
+
     }
 }
\ No newline at end of file

RazorPages/StudentManagement.RazorPage.Services/Migrations/20200928032301_InitialCreate.Designer.cs

+// <auto-generated />
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using StudentManagement.RazorPage.Services;
+
+namespace StudentManagement.RazorPage.Services.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20200928032301_InitialCreate")]
+    partial class InitialCreate
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "3.1.8")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128)
+                .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
+
+            modelBuilder.Entity("StudentManagement.RazorPage.Models.Student", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int")
+                        .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
+
+                    b.Property<int>("ClassName")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(50)")
+                        .HasMaxLength(50);
+
+                    b.Property<string>("PhotoPath")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Students");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

RazorPages/StudentManagement.RazorPage.Services/Migrations/20200928032301_InitialCreate.cs

+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace StudentManagement.RazorPage.Services.Migrations
+{
+    public partial class InitialCreate : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Students",
+                columns: table => new
+                {
+                    Id = table.Column<int>(nullable: false)
+                        .Annotation("SqlServer:Identity", "1, 1"),
+                    Name = table.Column<string>(maxLength: 50, nullable: false),
+                    ClassName = table.Column<int>(nullable: false),
+                    Email = table.Column<string>(nullable: false),
+                    PhotoPath = table.Column<string>(nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Students", x => x.Id);
+                });
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Students");
+        }
+    }
+}

RazorPages/StudentManagement.RazorPage.Services/Migrations/20200928034640_spGetStudentById.Designer.cs

+// <auto-generated />
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using StudentManagement.RazorPage.Services;
+
+namespace StudentManagement.RazorPage.Services.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20200928034640_spGetStudentById")]
+    partial class spGetStudentById
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "3.1.8")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128)
+                .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
+
+            modelBuilder.Entity("StudentManagement.RazorPage.Models.Student", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int")
+                        .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
+
+                    b.Property<int>("ClassName")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(50)")
+                        .HasMaxLength(50);
+
+                    b.Property<string>("PhotoPath")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Students");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

RazorPages/StudentManagement.RazorPage.Services/Migrations/20200928034640_spGetStudentById.cs

+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace StudentManagement.RazorPage.Services.Migrations
+{
+    public partial class spGetStudentById : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            string procedure = @"Create Procedure spGetStudentById
+                            @Id int
+                            as
+                            Begin
+                             Select * from Students
+                             Where Id = @Id
+                            End";
+            migrationBuilder.Sql(procedure);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            string procedure = @"Drop procedure spGetStudentById";
+            migrationBuilder.Sql(procedure);
+        }
+    }
+}
\ No newline at end of file

RazorPages/StudentManagement.RazorPage.Services/Migrations/AppDbContextModelSnapshot.cs

+// <auto-generated />
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using StudentManagement.RazorPage.Services;
+
+namespace StudentManagement.RazorPage.Services.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    partial class AppDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "3.1.8")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128)
+                .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
+
+            modelBuilder.Entity("StudentManagement.RazorPage.Models.Student", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int")
+                        .HasAnnotation("SqlServer:ValueGenerationStrategy", SqlServerValueGenerationStrategy.IdentityColumn);
+
+                    b.Property<int>("ClassName")
+                        .HasColumnType("int");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(50)")
+                        .HasMaxLength(50);
+
+                    b.Property<string>("PhotoPath")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Students");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

RazorPages/StudentManagement.RazorPage.Services/MockStudentRepository.cs

@@ -78,5 +78,16 @@ namespace StudentManagement.RazorPage.Services
             }
             return student;
         }
+
+        public IEnumerable<Student> Search(string searchTerm = null)
+        {
+            if (string.IsNullOrEmpty(searchTerm))
+            {
+                return _studentList;
+            }
+
+            return _studentList.Where(e => e.Name.Contains(searchTerm) ||
+                                            e.Email.Contains(searchTerm)).ToList();
+        }
     }
 }
\ No newline at end of file

RazorPages/StudentManagement.RazorPage.Services/SQLStudentRepository.cs

+using Microsoft.Data.SqlClient;
+using Microsoft.EntityFrameworkCore;
+using StudentManagement.RazorPage.Models;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace StudentManagement.RazorPage.Services
+{
+    public class SQLStudentRepository : IStudentRepository
+    {
+        private readonly AppDbContext context;
+
+        public SQLStudentRepository(AppDbContext context)
+        {
+            this.context = context;
+        }
+
+        public Student Add(Student newStudent)
+        {
+            context.Students.Add(newStudent);
+            context.SaveChanges();
+            return newStudent;
+        }
+
+        public Student Delete(int id)
+        {
+            Student student = context.Students.Find(id);
+            if (student != null)
+            {
+                context.Students.Remove(student);
+                context.SaveChanges();
+            }
+            return student;
+        }
+
+        public IEnumerable<Student> GetAllStudents()
+        {
+    return context.Students
+                    .FromSqlRaw<Student>("SELECT * FROM Students")
+                    .ToList();        }
+
+        public Student GetStudent(int id)
+        {
+                SqlParameter parameter = new SqlParameter("@Id", id);
+
+
+            return context.Students
+                        .FromSqlRaw<Student>("spGetStudentById {0}", parameter)
+                        .ToList()
+                        .FirstOrDefault();
+        }
+
+        public IEnumerable<Student> Search(string searchTerm)
+        {
+            if (string.IsNullOrEmpty(searchTerm))
+            {
+                return context.Students;
+            }
+
+            return context.Students.Where(e => e.Name.Contains(searchTerm) ||
+                                            e.Email.Contains(searchTerm));
+        }
+
+        public IEnumerable<ClassHeadCount> StudentCountByClassNameEnum(ClassNameEnum? className)
+        {
+            IEnumerable<Student> query = context.Students;
+            if (className.HasValue)
+            {
+                query = query.Where(e => e.ClassName == className.Value);
+            }
+            return query.GroupBy(e => e.ClassName)
+                                .Select(g => new ClassHeadCount()
+                                {
+                                    ClassName = g.Key.Value,
+                                    Count = g.Count()
+                                }).ToList();
+        }
+
+        public Student Update(Student updatedStudent)
+        {
+            var student = context.Students.Attach(updatedStudent);
+            student.State = Microsoft.EntityFrameworkCore.EntityState.Modified;
+            context.SaveChanges();
+            return updatedStudent;
+        }
+    }
+}
\ No newline at end of file

RazorPages/StudentManagement.RazorPage.Services/StudentManagement.RazorPage.Services.csproj

@@ -4,6 +4,12 @@
     <TargetFramework>netstandard2.0</TargetFramework>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.8" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="3.1.8" />
+
+  </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="..\StudentManagement.RazorPage.Models\StudentManagement.RazorPage.Models.csproj" />
   </ItemGroup>

RazorPages/StudentManagement.RazorPage/Pages/Index.cshtml

@@ -11,5 +11,9 @@
 
     @await Component.InvokeAsync("HeadCount")
 
+    <vc:head-count class-name="null"></vc:head-count>
+
+
+ 
     <p>Learn about <a href="https://docs.microsoft.com/aspnet/core">building Web apps with ASP.NET Core</a>.</p>
 </div>

RazorPages/StudentManagement.RazorPage/Pages/Privacy.cshtml

@@ -4,6 +4,10 @@
     ViewData["Title"] = "Privacy Policy";
 }
 <h1>@ViewData["Title"]</h1>
+
+
 @await Component.InvokeAsync("HeadCount", null)
+@*<vc:head-count class-name="null"></vc:head-count>*@
+@*<vc:head-count class-name="ClassNameEnum.FirstGrade"></vc:head-count>*@
 
 <p>Use this page to detail your site's privacy policy.</p>

RazorPages/StudentManagement.RazorPage/Pages/Students/Details.cshtml

@@ -6,61 +6,62 @@
     var photoPath = "~/Images/" + (Model.Student.PhotoPath ?? "noimage.png");
 }
 
-<div class="row justify-content-center m-3">
+    <div class="row justify-content-center m-3">
 
-    @await Component.InvokeAsync("HeadCount", new { className = Model.Student.ClassName })
+        @await Component.InvokeAsync("HeadCount", new { className = Model.Student.ClassName })
 
+        <vc:head-count class-name="Model.Student.ClassName"></vc:head-count>
 
-    <div class="col-sm-8">
+        <div class="col-sm-8">
 
-        @if (TempData["message"] != null)
-        {
-            <div class="col-sm-8">
-                <div class="alert alert-primary">
-                    @TempData["message"]
+            @if (TempData["message"] != null)
+            {
+                <div class="col-sm-8">
+                    <div class="alert alert-primary">
+                        @TempData["message"]
+                    </div>
                 </div>
-            </div>
-        }
+            }
 
-        @if (Model.Message != null)
-        {
-            <div class="col-sm-8">
-                <div class="alert alert-primary">
-                    @Model.Message
+            @if (Model.Message != null)
+            {
+                <div class="col-sm-8">
+                    <div class="alert alert-primary">
+                        @Model.Message
+                    </div>
                 </div>
-            </div>
-        }
+            }
 
 
-        @if (TempData.Peek("message") != null)
-        {
-            <div class="col-sm-8">
-                <div class="alert alert-primary">
-                    @TempData.Peek("message")
+            @if (TempData.Peek("message") != null)
+            {
+                <div class="col-sm-8">
+                    <div class="alert alert-primary">
+                        @TempData.Peek("message")
 
+                    </div>
                 </div>
-            </div>
-        }
+            }
 
-        <div class="card">
-            <div class="card-header">
-                <h1>@Model.Student.Name</h1>
-            </div>
+            <div class="card">
+                <div class="card-header">
+                    <h1>@Model.Student.Name</h1>
+                </div>
 
-            <div class="card-body text-center">
-                <img class="card-img-top" src="@photoPath" asp-append-version="true" style="width:50%" />
+                <div class="card-body text-center">
+                    <img class="card-img-top" src="@photoPath" asp-append-version="true" style="width:50%" />
 
-                <h4>Student ID : @Model.Student.Id</h4>
-                <h4>邮箱地址 : @Model.Student.Email</h4>
-                <h4>班级 : @Model.Student.ClassName</h4>
+                    <h4>Student ID : @Model.Student.Id</h4>
+                    <h4>邮箱地址 : @Model.Student.Email</h4>
+                    <h4>班级 : @Model.Student.ClassName</h4>
 
-            </div>
-            <div class="card-footer text-center">
-                <a asp-page="index"
-                   class="btn btn-primary">返回</a>
-                @*<a href="#" class="btn btn-primary">编辑</a>
+                </div>
+                <div class="card-footer text-center">
+                    <a asp-page="index"
+                       class="btn btn-primary">返回</a>
+                    @*<a href="#" class="btn btn-primary">编辑</a>
                     <a href="#" class="btn btn-danger">删除</a>*@
+                </div>
             </div>
         </div>
-    </div>
-</div>
\ No newline at end of file
+    </div>
\ No newline at end of file

RazorPages/StudentManagement.RazorPage/Pages/Students/Index.cshtml

@@ -14,12 +14,19 @@
     }
 </style>
 
-<h1>学生</h1>
- 
-@await Component.InvokeAsync("HeadCount", new
-{
-    className = ClassNameEnum.FirstGrade
-})
+<h1>学生列表</h1>
+
+@await Component.InvokeAsync("HeadCount")
+
+<form method="get">
+    <div class="input-group">
+        <input class="form-control" asp-for="SearchTerm">
+        <div class="input-group-append">
+            <button class="btn btn-primary" type="submit">搜索</button>
+        </div>
+    </div>
+</form>
+
 <div class="card-deck">
     @foreach (var student in Model.Students)
     {

RazorPages/StudentManagement.RazorPage/Pages/Students/Index.cshtml.cs

+using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
 using StudentManagement.RazorPage.Models;
 using StudentManagement.RazorPage.Services;
@@ -8,13 +9,14 @@ namespace StudentManagement.RazorPage.Pages.Students
     public class IndexModel : PageModel
     {
         private readonly IStudentRepository studentRepository;
-        
-        
+
         /// <summary>
         /// //这个公共属性保存学生列表 显示模板(Index.html)可以访问此属性
         /// </summary>
         public IEnumerable<Student> Students { get; set; }
 
+        [BindProperty(SupportsGet = true)]
+        public string SearchTerm { get; set; }
 
         /// <summary>
         /// 注册IStudentRepository服务。通过这项服务知道如何查询学生列表
@@ -26,11 +28,11 @@ namespace StudentManagement.RazorPage.Pages.Students
         }
 
         /// <summary>
-        /// 此方法处理发送GET请求 到路由 /Students/Index  
+        /// 此方法处理发送GET请求 到路由 /Students/Index
         /// </summary>
         public void OnGet()
         {
-            Students = studentRepository.GetAllStudents();
+            Students = studentRepository.Search(SearchTerm);
         }
     }
 }
\ No newline at end of file

RazorPages/StudentManagement.RazorPage/Pages/_ViewImports.cshtml

@@ -3,3 +3,6 @@
 
 @namespace StudentManagement.RazorPage.Pages
 @addTagHelper *, Microsoft.AspNetCore.Mvc.TagHelpers
+@addTagHelper *, StudentManagement.RazorPage
+
+@*//StudentManagement.RazorPage，是包含要注册的视图组件的程序集(DLL) *(星号)，指定所有的视图组件。*@
\ No newline at end of file

RazorPages/StudentManagement.RazorPage/Properties/launchSettings.json

-{
+{
   "iisSettings": {
     "windowsAuthentication": false,
     "anonymousAuthentication": true,
     "iisExpress": {
-      "applicationUrl": "http://localhost:2221",
+      "applicationUrl": "http://localhost:2241",
       "sslPort": 0
     }
   },

RazorPages/StudentManagement.RazorPage/Startup.cs

 using Microsoft.AspNetCore.Builder;