一、服务端创建
最后的类结构:

1.创建一个空的类库
应用第三方包:
Microsoft.AspNet.WebApi.Owin
Microsoft.Owin.Hosting
- 启动类创建
public class Start
{
public void Configuration(IAppBuilder appBuild)
{
HttpConfiguration config = new HttpConfiguration();
config.MapHttpAttributeRoutes();
config