/// <summary>

/// 获取上下文中的cookie

/// </summary>

/// <returns></returns>

[HttpGet]

[HttpPost]

public string GetOne()

{

    //1.在WebApi中这种方式获取cookie 可以成功

    //2.在WebApi 中这种凡是获取Form,QueryString 中的参数是有效的

    HttpCookieCollection collection= HttpContext.Current.Request.Cookies;

    //1.获取传统context,再获取cookie 可以成功

    HttpContextBase baseContext = (HttpContextBase)Request.Properties["MS_HttpContext"];

    HttpCookieCollection cookie2 = baseContext.Request.Cookies;

    //2.api中推荐的获取操作cooki 方式

    Collection<CookieHeaderValue> cookieValues= Request.Headers.GetCookies();

    return CookieHelper.GetString("username");

}