普通解决方案增加webapi支持

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添加程序集

System.Net.Http
System.Net.Http.Formatting
System.Web.Http
System.Web.Http.Common
System.Web.Http.WebHost

增加全局配置文件`Global.asax`

using System;  
using System.Collections.Generic;  
using System.Linq;  
using System.Web;  
using System.Web.Http;  
using System.Web.Mvc;  
using System.Web.Routing;  
using System.Web.Security;  
using System.Web.SessionState;  
  
namespace WebApplication4  
{  
    public class Global : System.Web.HttpApplication  
    {  
  
        protected void Application_Start(object sender, EventArgs e)  
        {  
            AreaRegistration.RegisterAllAreas();  
            RouteTable.Routes.MapHttpRoute(  
     name: "DefaultApi",  
     routeTemplate: "api/{controller}/{id}",  
     defaults: new  
     {  
         id = RouteParameter.Optional  
     });  
        }  
  
        protected void Session_Start(object sender, EventArgs e)  
        {  
  
        }  
  
        protected void Application_BeginRequest(object sender, EventArgs e)  
        {  
  
        }  
  
        protected void Application_AuthenticateRequest(object sender, EventArgs e)  
        {  
  
        }  
  
        protected void Application_Error(object sender, EventArgs e)  
        {  
  
        }  
  
        protected void Session_End(object sender, EventArgs e)  
        {  
  
        }  
  
        protected void Application_End(object sender, EventArgs e)  
        {  
  
        }  
    }  
}

webapi

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