public static FileModel Upload(HttpPostedFileBase postedFile) { //上传和返回(保存到数据库中)的路径 string uppath = string.Empty; string savepath = string.Empty; HttpContext context = HttpContext.Current; //创建图片新的名称 string nameImg = DateTime.Now.ToString("yyyyMMddHHmmssfff"); string strPath = postedFile.FileName; string type = strPath.Substring(strPath.LastIndexOf(".") + 1).ToLower(); if (ValidateImg(postedFile)) { //拼写上传图片的路径 savepath = context.Server.MapPath(Configs.GetValue("FileSrc") + type + "/"); savepath += nameImg + "." + type; uppath = context.Server.MapPath(Configs.GetValue("FileSrc")) + type; FileHelper.CreateDirectory(uppath); FileHelper.CreateDirectory(uppath + "/水印"); //水印图片地址 FileHelper.CreateDirectory(uppath + "/文字"); //文字图片地址 //uppath += nameImg + "." + type; //上传图片 postedFile.SaveAs(savepath); ImageManager writer = new ImageManager(); //调用很简单 im.SaveWatermark(原图地址, 水印地址, 透明度, 水印位置, 边距,保存到的位置); writer.SaveWatermark(savepath, context.Server.MapPath(Configs.GetValue("FileSrc")) + "Logo.png", 0.9f, ImageManager.WatermarkPosition.RigthBottom, 10, uppath + "/水印/" + nameImg + "." + type); writer.AddTextToImg(savepath, "蓝色星球", uppath + "/文字/" + nameImg + "." + type); } return(new FileModel() { RealName = nameImg + "." + type, FileName = strPath, FileMax = postedFile.ContentLength.ToString() }); }