您应该能够直接添加一个WebService的文件到MVC项目。
右键单击解决方案，并选择添加新项，然后选择Web类别和ATT列表的底部，应该有Web服务。

You should be able to add an WebService file directly to the MVC project. Right click on solution and select add new item, then select the web category and att the bottom of the list there should be Web Service.

请记住检查的路由不吃起来调用web服务。

Just remember to check that the routes does not eat up the call to the webservice.

这样的Web服务可以访问相同的模型类的MVC应用程序。

That way the webservice can get access to the same model classes as the MVC application.