我可以转换成一个JSON字符串JsonResult？ [英] Can I convert a JSON string into JsonResult?

问题描述

我存储在数据库中存储的一些字符串JSON，我想返回到客户端JsonResult。我知道，JSON（对象）将对象放入JsonResult但如果我已经有了结果，在一个字符串？我可以将它转换为JsonResult

I have some stored JSON strings stored in the DB which I want to return to the client as JsonResult . I know that Json(object) turns an object into JsonResult but what if I already have the result in a string ? can I cast it to JsonResult

推荐答案

您不必返回 JsonResult ，因为它的工作是序列化的对象的成JSON字符串。你已经拥有的JSON字符串，所以才返回它在ContentResult类型，并指定正确的内容类型：

You don't need to return a JsonResult because its job is to serialize an object into JSON string. You already have the JSON string, so just return it in a ContentResult and specify the correct content type:

string json = //get some json from your DB
return new ContentResult { Content = json, ContentType = "application/json" };

记住，你的MVC的操作方法都应该有的ActionResult 作为返回类型，所以你可以返回 ContentResult类型刚一样容易 JsonResult 。

Remember that your MVC action methods should all have ActionResult as a return type, so you can return ContentResult just as easily as JsonResult.

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