如何在mvc4中使用Jquery调用图像动作控制器 [英] how to call image action controller using Jquery in mvc4

问题描述

您好，

我在数据库中存储图像字节格式并在MVC4中获取图像。我已经编写了这段代码但只调用了一次，但我每次都调用如何使用JQuery调用控件方法



我有使用MVC 4这段代码。

Hello,
I have store image byte format in database and get image in MVC4. I have write this code but call only one time but i am call every time how to call control method using JQuery

I have Use MVC 4 this code.

<img id="postureimage" src="~/images/front.jpg" />

Jquery Load代码。

Jquery Load Code.

$("#postureimage").attr("src", "@Url.Action("GetImage", "CallAssessment")");

并在控制器中创建代码

And Create Code in Controller

public void GetImage()
        {
            movecorrectlyDevBEntities db = new movecorrectlyDevBEntities();
            string ft = Session["Uniqueid"].ToString();
            Guid po = new Guid(ft);

            byte[] image = db.Frontposture_WPF.FirstOrDefault(x => x.Uniqueid == po).AssessmentImage;
            Response.Buffer = true;
            Response.Clear();
            Response.ContentType = "image/gif";
            Response.BinaryWrite(image);
            Response.End();
        }

推荐答案

（ ＃postureimage）。attr（ src， @ Url.Action（ GetImage < span class =code-string>， CallAssessment ））;

("#postureimage").attr("src", "@Url.Action("GetImage", "CallAssessment")");

并在控制器中创建代码

And Create Code in Controller

public void GetImage()
        {
            movecorrectlyDevBEntities db = new movecorrectlyDevBEntities();
            string ft = Session["Uniqueid"].ToString();
            Guid po = new Guid(ft);

            byte[] image = db.Frontposture_WPF.FirstOrDefault(x => x.Uniqueid == po).AssessmentImage;
            Response.Buffer = true;
            Response.Clear();
            Response.ContentType = "image/gif";
            Response.BinaryWrite(image);
            Response.End();
        }

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