fetch image from library and change image every 30 seconds in sharepoint?

Question

I'm using web part and i write the code below

but it fetch only one image >>> how can i fetch all image from the library and change image every 30 seconds using javascript or jquery??

public class MSDN : System.Web.UI.WebControls.WebParts.WebPart
    {
        Image myimage = new Image();
        protected override void CreateChildControls()
        {
            myimage.Height = 140;
            myimage.Width =999;
            SPSite mysite = SPContext.Current.Site;
            SPWeb myweb = SPContext.Current.Web;
            SPList mylist = myweb.Lists["Pic Lib"];
            SPQuery myquery = new SPQuery();
            myquery.Query = "<OrderBy><FieldRef Name='FileLeafRef' />"+
                            "<FieldRef Name='Status' /></OrderBy>"+
                            "<Where><Eq><FieldRef Name='Status' />"+
                            "<Value Type='Choice'>Active</Value></Eq></Where>";
            string serverpath = mysite.ServerRelativeUrl.ToString();
            SPListItemCollection mylistitem = mylist.GetItems(myquery);
            if (mylistitem.Count > 0)
            {
                myimage.ImageUrl = serverpath + mylistitem[mylistitem.Count - 1].Url.ToString();
            }
            else
            {
                this.Page.Response.Write("No image found");
            }
            base.CreateChildControls();
        }
        protected override void Render(HtmlTextWriter writer)
        {
            myimage.RenderControl(writer);          
        }
    }
}

Answer 1

您可以使用SharePoint Client对象模型MSDN链接查询列表并获取图像URL，将其存储在javascript数组中，然后使用任何jquery插件（例如SlidesJS .. google上的第一个链接）或编写自己的图像来翻转图像每30秒。