JPEG转png

OASystem/OASystem.Api/Controllers/GroupsController.cs

@@ -593,10 +593,10 @@ namespace OASystem.API.Controllers
                 //string url = HttpRuntime.AppDomainAppPath.ToString();
                 //string tmpRootDir = System.Web.HttpContext.Current.Server.MapPath(System.Web.HttpContext.Current.Request.ApplicationPath.ToString()); //获取程序根目录 
                 //string imagesurl2 = tmpRootDir + filename; //转换成绝对路径 
-                bitmap.Save(filePath, System.Drawing.Imaging.ImageFormat.Jpeg);//保存到服务器路径
+                //bitmap.Save(filePath, System.Drawing.Imaging.ImageFormat.Jpeg);//保存到服务器路径
                 //bitmap.Save(filePath + ".bmp", System.Drawing.Imaging.ImageFormat.Bmp);
                 //bitmap.Save(filePath + ".gif", System.Drawing.Imaging.ImageFormat.Gif);
-                //bitmap.Save(filePath + ".png", System.Drawing.Imaging.ImageFormat.Png);
+                bitmap.Save(filePath + ".png", System.Drawing.Imaging.ImageFormat.Png);
                 ms.Close();//关闭当前流，并释放所有与之关联的资源
                 bitmap.Dispose();
             }