1 新建model
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
namespace AtTheMovies.Models
{
public class Movie
{
public int Id { get; set; }
public string Title { get; set; }
public int ReleaseYear { get; set; }
public int Runtime { get; set; }
}
}
2 新建DbContext
using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Linq;
using System.Web;
namespace AtTheMovies.Models
{
public class MovieDb : DbContext
{
public DbSet<Movie> Movies { get; set; }
}
}
3 打开程序包控制器控制台,输入Enable-Migrations
4 在生成的Migrations文件夹里,修改Configuration.cs
namespace WebApi_1.Migrations
{
using AtTheMovies.Models;
using System;
using System.Data.Entity;
using System.Data.Entity.Migrations;
using System.Linq;
internal sealed class Configuration : DbMigrationsConfiguration<AtTheMovies.Models.MovieDb>
{
public Configuration()
{
AutomaticMigrationsEnabled = true;
}
protected override void Seed(AtTheMovies.Models.MovieDb context)
{
context.Movies.AddOrUpdate(m => m.Title,
new Movie { Title = "Star Wars", ReleaseYear = 1977, Runtime = 121 },
new Movie { Title = "E.T.", ReleaseYear = 1981, Runtime = 130 },
new Movie { Title = "Toy Story", ReleaseYear = 1994, Runtime = 90 }
);
}
}
}
5.在程序包控制器控制台,输入update-database,此时再localdb下面会自动生成数据库