基本信息
源码名称:<赞>.net core 连接mysql并生成迁移脚本(Migrations)demo
源码大小:2.37M
文件格式:.zip
开发语言:C#
更新时间:2018-04-04
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源码介绍
麻雀虽小,五脏俱全,很经典
操作步骤:
1. 修改下 appsetting.json文件中的MySqlConnection 为你本机的 mysql账号密码
2. 运行webapi项目 即可看到 输出的webapi
Global中代码如下:
using System; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; using Microsoft.AspNetCore.Builder; using Microsoft.AspNetCore.Hosting; using Microsoft.Extensions.Configuration; using Microsoft.Extensions.DependencyInjection; using Microsoft.Extensions.Logging; using Microsoft.Extensions.Options; using Microsoft.EntityFrameworkCore; using Entity.Table; using DAL; using Service.ProductService; namespace ASP.Net_Core_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) { services.AddDbContext<ProductContext>(options => options.UseMySql(Configuration.GetConnectionString("MySqlConnection")));//添加Mysql支持 services.AddUnitOfWork<ProductContext>();//添加UnitOfWork支持 services.AddScoped(typeof(IProductService), typeof(ProductService));//用ASP.NET Core自带依赖注入(DI)注入使用的类 services.AddMvc(); } // This method gets called by the runtime. Use this method to configure the HTTP request pipeline. public void Configure(IApplicationBuilder app, IHostingEnvironment env, ProductContext context) { if (env.IsDevelopment()) { app.UseDeveloperExceptionPage(); } context.Database.Migrate();//仅首次执行时需要打开此语句,用于初始化数据库 app.UseMvc(); } } }
迁移脚本如下:
using Microsoft.EntityFrameworkCore.Metadata;
using Microsoft.EntityFrameworkCore.Migrations;
using System;
using System.Collections.Generic;
namespace DAL.Migrations
{
public partial class init : Migration
{
protected override void Up(MigrationBuilder migrationBuilder)
{
migrationBuilder.CreateTable(
name: "Product",
columns: table => new
{
Id = table.Column<long>(type: "bigint", nullable: false)
.Annotation("MySql:ValueGenerationStrategy", MySqlValueGenerationStrategy.IdentityColumn),
Category = table.Column<int>(type: "int", nullable: false),
CreteTime = table.Column<DateTime>(type: "datetime(6)", nullable: false),
Description = table.Column<string>(type: "varchar(500)", maxLength: 500, nullable: false),
Discount = table.Column<decimal>(type: "decimal(65, 30)", nullable: false),
Name = table.Column<string>(type: "varchar(20)", maxLength: 20, nullable: false),
Price = table.Column<decimal>(type: "decimal(65, 30)", nullable: false),
RowVersion = table.Column<DateTime>(type: "datetime(6)", nullable: false)
},
constraints: table =>
{
table.PrimaryKey("PK_Product", x => x.Id);
});
}
protected override void Down(MigrationBuilder migrationBuilder)
{
migrationBuilder.DropTable(
name: "Product");
}
}
}