在Web Api中實現Http方法(Get,Put,Post,Delete)

Post（新增）,Put（修改）,Delete（刪除）,Get（查詢）

GET：生到數據列表（默認），或者獲得一條實體數據

POST：添加服務端添加一條記錄，記錄實體爲Form對象

PUT：添加或修改服務端的一條記錄，記錄實體的Form對象，記錄主鍵以GET方式進行傳輸

DELETE：刪除 服務端的一條記錄

上面公開的API接口都是在XMLHttpRequest狀況下調用的，固然你可使用jquery的ajax組件來完成這個請求調用

<fieldset>
    <legend>測試Web Api
    </legend>
    <a href="javascript:add()">添加(post)</a>
    <a href="javascript:update(1)">更新(put)</a>
    <a href="javascript:deletes(1)">刪除(delete)</a>
    <a href="/api/test">列表(Get)</a>
    <a href="/api/test/1">實體(Get)</a>
</fieldset>
<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>

/// <summary>
    /// Test模塊API
    /// URI：/Api/Test
    /// </summary>
    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>
        /// 獲得列表對象
        /// </summary>
        /// <returns></returns>
        public IEnumerable<Users> Get()
        {
            return _userList;
        }

        /// <summary>
        /// 獲得一個實體，根據主鍵
        /// </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">表單對象，它是惟一的</param>
        /// <returns></returns>
        public Users Post([FromBody] Users entity)
        {
            _userList.Add(entity);
            return entity;
        }

        /// <summary>
        /// 更新
        /// </summary>
        /// <param name="id">主鍵</param>
        /// <param name="form">表單對象，它是惟一的</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>
        /// 刪除
        /// </summary>
        /// <param name="id">主鍵</param>
        /// <returns></returns>
        public void Delete(int id)
        {
         _userList.Remove(_userList.FirstOrDefault(i=>i.UserID==id));
        }
    }