//请求的URL是http://localhost:62032/api/Student/Get public Student Get() { return new Student() { ID = 1, name = "vichin" }; } //返回的是 <Student xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/Demo4WebAPI.Models"> <ID>1</ID> <name>vichin</name> </Student> //请求的URL是http://localhost:62032/api/Student/Get?name=vichin public String the Get ( String name) { return " Your name: " + name; } // returns < String xmlns = " http://schemas.microsoft.com/2003/10/Serialization/ " > Your name: vichin </ String >