GET:生到数据列表(默认),或者得到一条实体数据
POST:添加服务端添加一条记录,记录实体为Form对象
PUT:添加或修改服务端的一条记录,记录实体的Form对象,记录主键以GET方式进行传输
DELETE:删除 服务端的一条记录
<script>
    function add() { $.ajax({ url : "/api/Test/", type : "POST", data :{"UserID":4,"UserName":"test","UserEmail":"Parry@cnblogs.com"}, success: function (data) { alert(JSON.stringify(data)); } }); } //更新
    function update(id) { $.ajax({ url : "/api/Test?id="+id, type : "Put", data :{"UserID":1,"UserName":"moditest","UserEmail":"Parry@cnblogs.com"}, success: function (data) { alert(JSON.stringify(data)); } }); } function deletes(id) { $.ajax({ url : "/api/Test/1", type : "DELETE", success: function (data) { alert(data);} }); } </script>
  public class TestController : ApiController
    {
        /// <summary>
        /// User Data List
        /// </summary>
        private readonly List<Users> _userList = new List<Users> { new Users {UserID = 1, UserName = "zzl", UserEmail = "bfyxzls@sina.com"}, new Users {UserID = 2, UserName = "Spiderman", UserEmail = "Spiderman@cnblogs.com"}, new Users {UserID = 3, UserName = "Batman", UserEmail = "Batman@cnblogs.com"} }; /// <summary>
        /// 得到列表对象
        /// </summary>
        /// <returns></returns>
        public IEnumerable<Users> Get() { return _userList; } /// <summary>
        /// 得到一个实体,根据主键
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public Users Get(int id) { return _userList.FirstOrDefault(i => i.UserID == id); } /// <summary>
        /// 添加
        /// </summary>
        /// <param name="form">表单对象,它是唯一的</param>
        /// <returns></returns>
 public Users Post([FromBody] Users entity) { _userList.Add(entity); return entity; } /// <summary>
        /// 更新
        /// </summary>
        /// <param name="id">主键</param>
        /// <param name="form">表单对象,它是唯一的</param>
        /// <returns></returns>
        public Users Put(int id, [FromBody]Users entity) { var user = _userList.FirstOrDefault(i => i.UserID == id); if (user != null) { user.UserName = entity.UserName; user.UserEmail = entity.UserEmail; } return user; } /// <summary>
        /// 删除
        /// </summary>
        /// <param name="id">主键</param>
        /// <returns></returns>
        public void Delete(int id) { _userList.Remove(_userList.FirstOrDefault(i=>i.UserID==id)); } }