MVC3 asynchronous form submission upload image implementation

Since the project requires "any one can upload an indefinite picture", these two days are writing this feature. Now it's done, record it.

Language: C #

Environment: MVC3 + EF4

Required Plugins: http://download.csdn.net/detail/tl110110tl/8248099

The required database tables are as follows:

Plugin reference: http://www.cnblogs.com/china-li/archive/2012/12/12/2800144.html

HTML code:

@{Layout = null;} <!        DOCTYPE html>

Controller for background

Namespace SGS. mainproto.controllers{public class Skincontroller:controller {////GET:/SKIN/IBLL. ISKINBLL _SKINBLL = new BLL.        SKINBLL ();        Public ActionResult Index () {return View (); }///<summary>//Add skin///Url:/skin/addskin//</summary> public Act        Ionresult Addskin () {return View ();        }///<summary>//Add Pictures///URL:/SKIN/ADDIMG///</summary> [HttpPost]            Public ActionResult addimg () {String TypeID = request["TypeID"];            int typeId; if (!int.            TryParse (TypeID, out TypeID)) {return Content ("Error_typeid error");            } httppostedfilebase file = Request.files[0]; if (file. ContentLength > 0 && file. contentlength/1024 < 10000) {//Get the file extension string ext = System.IO.Path.GetExtension (file.                FileName); if (ext. ToLower () = = ". jpg" | | Ext. ToLower () = = ". png" | | Ext.                    ToLower () = = ". gif") {string datepath = DateTime.Now.ToString ("Yyyy/mm/dd");//Time path String onefilepath = Server.MapPath ("/imageup/" + datepath);//Time Local path if (! System.IO.Directory.Exists (Onefilepath))//Create local directory {System.IO.Directory.CreateDir                    Ectory (Onefilepath); } string filename = Guid.NewGuid ().                    ToString () + ext;//unique save file name string Finallfilepath = Onefilepath + "/" + filename;//final Local save path                    Model.skin Skin = new Model.skin (); Skin.                    Skintype = Typeid.tostring (); Skin. Skinname = file.                    FileName; Skin.                    Skinurl = "/imageup/" + Datepath + "/" + filename;                    _skinbll.addentity (skin); File. SaveAs (Finallfilepath); var skinurl = _skinbll.loadentitys (S=>s.skintype==typeid). OrderByDescending (s=>s.id). Select (s=>s.skinurl+ "|"                    +s.skinname);                    string res = "";                    foreach (string item in Skinurl) {res + = Item + ","; } res = Res.                    TrimEnd (', ');                Return Content (RES);                } else {return Content ("Error_ is not a picture file");            }} else {return Content ("The Error_ file is empty or exceeds 8M");             }} [HttpPost] public ActionResult Getimgurl () {String TypeID = request["TypeID"]; if (string.            IsNullOrEmpty (TypeID)) {return Content ("Error_typeid is empty"); } var Skinurl = _skinbll.loadentitys (s = = S.skintype = = TypeID). OrderByDescending (s = = s.id). Select (S =>            S.skinurl + "|" + S.skinname);            string res = "";            foreach (string item in Skinurl) {res + = Item + ","; } res = Res.            TrimEnd (', ');        Return Content (RES); }    }}



MVC3 asynchronous form submission upload image implementation