初识MVC Core(一)

1.新建一个Mvc Core项目

注:刚开始依赖项是有黄色三角形,等待安装

2.打开Startup.cs,修改Configure

public void Configure(IApplicationBuilder app, IHostingEnvironment env,ILogger<Startup> logger)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }

            app.Run(async (context) =>
            {
                await context.Response.WriteAsync("Hello World!");
            });

            app.Use(async (context, next) =>
            {
                logger.LogInformation("M1 Start");
                await context.Response.WriteAsync("Hello World!");
                await next();
                logger.LogInformation("M1 End");
            });

            app.Run(async (context) =>
            {
                logger.LogInformation("M2 Start");
                await context.Response.WriteAsync("Another World!");
                logger.LogInformation("M2 End");
            });

        }

3.选择启动方式 FirstCore

 出现:

原理:

 

参阅:https://v.qq.com/x/page/r0744ix6a9s.html

谢谢Dave

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转载自www.cnblogs.com/dzw159/p/10549852.html