从ASP MVC数据库显示图片 [英] Display image from database in asp mvc

问题描述

我从控制器的字节数组形式获取的图像，我怎么能在视图中显示此？在最简单的方法。

I'm getting an image in a byte array format from the controller, How can I display this in the view? in the simplest way.

推荐答案

对于一个展会用语，使图像的ID从数据库中显示显示图像创建一个控制器。该行动应该返回包含适当的内容类型图像数据的FileResult。

Create a controller for displaying images with a Show action that takes the id of the image to display from the database. The action should return a FileResult that contains the image data with the appropriate content type.

public class ImageController : Controller
{
    public ActionResult Show( int id )
    {
        var imageData = ...get bytes from database...

        return File( imageData, "image/jpg" );
    }
}

在您看来，构建图像，并使用图片ID使用控制器和行动，以构建图像的路径。

In your view, construct the image and use the image id to construct a path for the image using the controller and action.

<img src='<%= Url.Action( "show", "image", new { id = ViewData["imageID"] } ) %>' />

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