上传导出下载水印图片

MVC中的上传、导出、下载、水印图片



////上传页面
<div>
        <form action="@Url.Action("FileUpload")" method="post" enctype="multipart/form-data">
            Name:<input type="text" name="Name" /><br />
            AradeNo:<input type="text" name="AradeNo" /><br />
            ClassNo:<input type="text" name="ClassNo" /><br />
            Sex:<input type="text" name="Sex" /><br />
            Age:<input type="text" name="Age" /><br />
            FileName:<input id="File1" type="file" name="ExcFile"/><br />
            <input id="Submit1" type="submit" value="上传" />
        </form>      
    </div>




///上传（控制器方法）
    public ActionResult FileUpload(string Name,int AradeNo,int ClassNo,string Sex,int Age,HttpPostedFileBase ExcFile)
        {
            if (ExcFile == null)
            {
                return View();
            }
            var filename = Server.MapPath("/EXCEL/");
            if (!Directory.Exists(filename))
            {
                Directory.CreateDirectory(filename);
            }
            string scFileName = Path.GetFileName(ExcFile.FileName);
            string scNewFileName = string.Format("{0}.{1}", Guid.NewGuid().ToString(), scFileName.Split('.')[1]);
            ExcFile.SaveAs(filename + scNewFileName);

            StudentModel m = new StudentModel();
            m.Name = Name;
            m.AradeNo = AradeNo;
            m.ClassNo = ClassNo;
            m.Sex = Sex;
            m.Age = Age;
            m.FileName = scFileName;
            m.NewFileName = scNewFileName;

            var result = new BLL.StudentBLL().ShangChuan(m);
            if (result > 0)
            {
                return Content("<script>alert('上传成功！');location.href='/Home/ShowList'</script>");
            }
            else
            {
                return Content("<script>alert('上传失败！')</script>");
            }
        }




///导出（控制器方法）（记得引用NPOI插件）
        public FileResult DaoChu()
        {
            var result = new BLL.StudentBLL().Show();
            if (result != null || result.Count > 0)
            {
                HSSFWorkbook book = new HSSFWorkbook();
                ISheet sheet = book.CreateSheet("sheet1");
                IRow row = sheet.CreateRow(0);
                row.CreateCell(0).SetCellValue("Name");
                row.CreateCell(1).SetCellValue("AradeNo");
                row.CreateCell(2).SetCellValue("ClassNo");
                row.CreateCell(3).SetCellValue("Sex");
                row.CreateCell(4).SetCellValue("Age");
                row.CreateCell(5).SetCellValue("FileName");

                for (int i = 0; i < result.Count; i++)
                {
                    IRow rows = sheet.CreateRow(i + 1);
                    rows.CreateCell(0).SetCellValue(result[i].Name);
                    rows.CreateCell(1).SetCellValue(result[i].AradeNo);
                    rows.CreateCell(2).SetCellValue(result[i].ClassNo);
                    rows.CreateCell(3).SetCellValue(result[i].Sex);
                    rows.CreateCell(4).SetCellValue(result[i].Age);
                    rows.CreateCell(5).SetCellValue(result[i].FileName);
                }

                MemoryStream ms = new MemoryStream();
                book.Write(ms);
                ms.Seek(0, SeekOrigin.Begin);
                return File(ms, "application/ved-excel", "信息.xls");
            }
            else
            {
                MemoryStream ms = new MemoryStream();
                ms.Seek(0, SeekOrigin.Begin);
                return File(ms, "application/ved-excel", "信息.xls");
            }
        }




///下载（控制器方法）（使用id传值）
    public ActionResult XiaZai(int id)
        {
            List<InfoModel> m = new BLL.InfoBLL().showinfoID(id);
            InfoModel f = new InfoModel();
            f.SCNewName = m[0].SCNewName;
            string strfileName = Server.MapPath("/EXCEL/"); //上传的路径   strfileName路径名
            FileStream fs = new FileStream(string.Format("{0}{1}", strfileName, f.SCNewName), FileMode.Open);

            return File(fs, "application/vnd.ms-excel", f.SCName);
        }





//水印图片
    
    <div>
        <form action="/Home/ShuiYing" method="post" enctype="multipart/form-data">
            <input name="File1" type="file" />
            <input id="Submit1" type="submit" value="提交" />
        </form>
    </div>（页面）

    public ActionResult ShuiYing(HttpPostedFileBase File1)
        {
            string warning = "";

            string files = Server.MapPath(File1.FileName);

            string filename = files.Remove(files.LastIndexOf("\") - 4) + "img\" + File1.FileName;

            string watchname = files.Remove(files.LastIndexOf("\") - 4) + "img\" + "1.jpg";

            File1.SaveAs(filename);

            string WarkUlr = WatherHelper.makewatermark(filename, watchname, WaterType.Center, files.Remove(files.LastIndexOf("\") - 4) + "img\", ImageType.JPEG, FileCache.Delete, out warning);

            return Content(WarkUlr);
        }