EntityFrameworkCore对Web项目生成数据库表

namespace EFCoreWeb.Model
{
    public class Student
    {
        public int Id { get; set; }

        public string Name { get; set; }

        public int Age { get; set; }

        public int Gender { get; set; }
    }
}

using EFCoreWeb.Model;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;

namespace EFCoreWeb.Data.Mapping
{
    /// <summary>
    /// Student配置伙伴类，继承自IEntityTypeConfiguration<T>泛型接口
    /// </summary>
    public class StudentMap : IEntityTypeConfiguration<Student>
    {
        /// <summary>
        /// 实现接口里面的Configure方法，用来配置生成数据库表结构
        /// </summary>
        /// <param name="builder"></param>
        public void Configure(EntityTypeBuilder<Student> builder)
        {
            // 设置主键
            builder.HasKey(p => p.Id);
            // 设置生成的表名
            builder.ToTable("T_Student");
            // 设置Name列的最大长度
            builder.Property("Name").HasMaxLength(64);
            // 设置Name列是必须的
            builder.Property("Name").IsRequired();
        }
    }
}

using EFCoreWeb.Model;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;

namespace EFCoreWeb.Data.Mapping
{
    /// <summary>
    /// Student配置伙伴类，继承自IEntityTypeConfiguration<T>泛型接口
    /// </summary>
    public class StudentMap : IEntityTypeConfiguration<Student>
    {
        /// <summary>
        /// 实现接口里面的Configure方法，用来配置生成数据库表结构
        /// </summary>
        /// <param name="builder"></param>
        public void Configure(EntityTypeBuilder<Student> builder)
        {
            // 设置主键
            builder.HasKey(p => p.Id);
            // 设置生成的表名
            builder.ToTable("T_Student");
            // 设置Name列的最大长度
            builder.Property("Name").HasMaxLength(64);
            // 设置Name列是必须的
            builder.Property("Name").IsRequired();
        }
    }
}

{
  "Logging": {
    "LogLevel": {
      "Default": "InfORMation",
      "Microsoft": "Warning",
      "Microsoft.Hosting.Lifetime": "Information"
    }
  },
  "AllowedHosts": "*",
  "ConnectionString": {
    "DbConnection": "Data Source=.;Initial Catalog=EFTestDb;User ID=sa;PassWord=123456;"
  }
}

using EFCoreWeb.Data.Context;
using Microsoft.Aspnetcore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;

namespace EFCoreWeb.API
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            #region 数据库连接
            services.ADDDbContext<EFCoreDbContext>(options => {
                // options.UseSqlServer(Configuration.GetConnectionString("DbConnection"));
                options.UseSqlServer(Configuration.GetSection("ConnectionString").GetSection("DbConnection").Value);
            });
            #endregion
            services.AddControllers();
        }

        // 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.UseRouting();

            app.UseAuthorization();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllers();
            });
        }
    }
}

Add-Migration Init

Update-Database