ASP.NET Web API会话数据

Question

I need to store a large object in Session Data in a Web API project. 我需要在Web API项目中的Session Data中存储一个大对象。 Then I need, a couple HTML widgets on the client want to access that data, in session of the Web API, and do different things with it, like a charting widget that graphs the data, an HTML table that lists the data. 然后我需要，客户端上的一些HTML小部件想要在Web API的会话中访问该数据，并使用它做不同的事情，比如绘制数据的图表小部件，列出数据的HTML表。 Rather than having to re-compute that large object for each client widget, I need to compute it ONCE and store it in session data, so that any widget running on the client within the same session can access that data at different times within the session and not have to wait for the server to re-compute the data. 我不需要为每个客户端窗口小部件重新计算大型对象，而是需要将其计算为ONCE并将其存储在会话数据中，以便在同一会话中的客户端上运行的任何窗口小部件都可以在会话中的不同时间访问该数据而不必等待服务器重新计算数据。

Each widget should access the Web API server project using a different GET request url. 每个小部件都应使用不同的GET请求URL访问Web API服务器项目。

I appreciate the help. 我很感激帮助。 I have MAYBE a high level overview of how to do this but please I could use some guidance. 我可能已经对如何做到这一点进行了高级概述，但我可以使用一些指导。

Answer 1

Here is how you can do it. 这是你如何做到的。

You may have Repository(Repository Pattern) in your project and inside Repository you have method that is computing your desired results for the widgets etc. Define your all logic of Data computation in your Repository Method and then inside your apiController Get Request or GetById you can call that Repository and can create a Session Variable which you can use in Your View.If you are using Asp.Net Mvc for your front end you can do the same call of storing data into sessions inside your Mvc Controller 您可以在项目中使用Repository（Repository Pattern），在Repository中，您可以使用计算小部件所需结果的方法等。在Repository方法中定义数据计算的所有逻辑，然后在apiController中获取Get Request或GetById调用该存储库并可以创建一个可在View中使用的会话变量。如果您使用Asp.Net Mvc作为前端，您可以执行相同的调用，将数据存储到Mvc控制器内的会话中

public class YourControllerName:apiController
{
    public IQueryable<AnyNameListDTO> Get()
    {
        //Your other Code will go here 
        var session = HttpContext.Current.Session;
        if (session != null)
        {
            if (session["AnyName"] == null)
            {
                session["AnyName"] = TheRepository.YourMethodName();
            }
        }
    }
}

If you are using your Asp.Net Mvc as for your Views(UI) which will consume Web Api then you can create same sessions inside your controllers Actions methods 如果您使用Asp.Net Mvc作为将使用Web Api的视图（UI），那么您可以在控制器内创建相同的会话。

public class YourControllerName:Controller
{
    public ActionResult Get()
    {
        //Your other Code will go here 
        Session["AnyName"] = TheRepository.YourMethodName();
    }
}

You can also use HTML5 Local Storage as well. 您也可以使用HTML5本地存储。

Utilize HTML5 local storage store data into that and then use it. 利用HTML5本地存储存储数据，然后使用它。

Answer 2

SOLVED 解决了

Retrieving Web API Session data from a cross domain .html page 从跨域.html页面检索Web API会话数据

Cross Domain Resource Sharing is what this is 跨域资源共享就是这样

ValuesController.cs ( IN the Web API) ValuesController.cs （在 Web API中）

namespace TestWEB_API.Controllers
{
  public class ValuesController : ApiController
  {

    // GET api/values
    public string Get()
    {
        var session = HttpContext.Current.Session;
        if (session != null)
        {
            if (session["Time"] == null)
                session["Time"] = DateTime.Now;
            return "Session Time: " + session["Time"];
        }
        return "Session is not working";
    }// End Get()

    ...

  }//End Class()
}//End Namespace

Then .html page ( NOT IN THE WEB API!!!) In a different .war 然后.html页面（不在 WEB API !!!）在另一个.war

httpSessionTest.html httpSessionTest.html

<!DOCTYPE html>

<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="utf-8" />
    <title></title>

    <script type="text/javascript" src="../Desktop/jquery-2.1.1.js"></script>

</head>
<script>
// !!------------- THIS IS WHAT I NEEDED! ---------------!!
$(function()
{
        $.getJSON('http://localhost:Port/api/values', function(stringPayLoad)
        {
            alert(stringPayLoad);
            $("#dataP").text(stringPayLoad);
        });
});

</script>
<body>
<h3> Web API Session Test </h3>
<p id="dataP">!!! If you see this, it means that the session data didn't load. :(</p>

</body>
</html>

ASP.NET Web API会话数据

问题描述

2 个解决方案

解决方案1
7 已采纳 2014-09-11 00:47:27

解决方案2
1 2014-09-12 17:49:12

SOLVED 解决了

ASP.NET Web API会话数据

问题描述

2 个解决方案

解决方案1 7 已采纳 2014-09-11 00:47:27

解决方案2 1 2014-09-12 17:49:12

SOLVED 解决了

解决方案1
7 已采纳 2014-09-11 00:47:27

解决方案2
1 2014-09-12 17:49:12