ASP.NET Core EF Sample

Install EF

Install-Package Microsoft.EntityFrameworkCore.SqlServer

Install-Package Microsoft.EntityFrameworkCore.Tools –Pre

创建模型

namespace EFGetStarted.AspNetCore.NewDb.Models
{
public class BloggingContext : DbContext
{
public BloggingContext(DbContextOptions<BloggingContext> options)
: base(options)
{ }

public DbSet<Blog> Blogs { get; set; }
public DbSet<Post> Posts { get; set; }
}

public class Blog
{
public int BlogId { get; set; }
public string Url { get; set; }

public List<Post> Posts { get; set; }
}

public class Post
{
public int PostId { get; set; }
public string Title { get; set; }
public string Content { get; set; }

public int BlogId { get; set; }
public Blog Blog { get; set; }
}
}

DI

public void ConfigureServices(IServiceCollection services) {

var connection = @"Server=(localdb)\mssqllocaldb;Database=EFGetStarted.AspNetCore.NewDb;Trusted_Connection=True;";

services.AddDbContext<BloggingContext>(options => options.UseSqlServer(connection));

创建数据库

Add-Migration MyFirstMigration -context BloggingContext

Update-Database -context BloggingContext

创建一个Controller,View