package main

import (
	"fmt"
	"net/http"
)

func main() {
	fmt.Println("This is webserver base!")

	//第一个参数为客户端发起http请求时的接口名，第二个参数是一个func，负责处理这个请求。
	http.HandleFunc("/login", loginTask)

	//服务器要监听的主机地址和端口号
	err := http.ListenAndServe("192.168.199.236:8081", nil)

	if err != nil {
		fmt.Println("ListenAndServe error: ", err.Error())
	}
}

func loginTask(w http.ResponseWriter, req *http.Request) {

	//获取客户端通过GET/POST方式传递的参数
	req.ParseForm()
	fmt.Fprint(w, "Hello World!")
}

    public class MyHandlerMiddleware
    {

        // Must have constructor with this signature, otherwise exception at run time
        public MyHandlerMiddleware(RequestDelegate next)
        {
            // This is an HTTP Handler, so no need to store next
        }

        public async Task Invoke(HttpContext context)
        {
            await context.Response.WriteAsync("Hello World!");
        }

        // ...
    }
    public class Startup
    {
        public void ConfigureServices(IServiceCollection services)
        {
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app)
        {
            app.MapWhen(context => { return context.Request.Path.ToString().EndsWith("jjj.go"); }, ap =>
            {
                ap.UseMiddleware<MyHandlerMiddleware>();
            });
        }
    }