.net core 连接mysql 七：startup.cs数据库和ISysUserRepository添加到容器

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using fjxw.model;
using Microsoft.EntityFrameworkCore;
using fjxw.dal;
namespace fjxw.echarge
{
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.
//此方法由运行时调用。 使用此方法将服务添加到容器中
public void ConfigureServices(IServiceCollection services)
{
services.AddDbContext<CoreDbContext>(options =>
options.UseMySQL(Configuration.GetConnectionString("DefaultConnection")));
services.AddControllersWithViews();
//AddTransient临时服务，每次请求时，都会创建一个新的Transient服务实例
services.AddTransient<ISysUserRepository, SysUserRepository>();
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
//此方法由运行时调用。 使用此方法配置HTTP请求管道
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
else
{
app.UseExceptionHandler("/Home/Error");
}
app.UseStaticFiles();

app.UseRouting();

app.UseAuthorization();

app.UseEndpoints(endpoints =>
{
endpoints.MapControllerRoute(
name: "default",
pattern: "{controller=Home}/{action=Index}/{id?}");
});
}
}
}