public async Task <JsonResult> UploadAvatar(string imageBase64) { if (string.IsNullOrEmpty(imageBase64)) { return(Json(new JsonResultModel { Message = "图片信息错误!" })); } if (imageBase64.Length > WebSysConfig.AvatarMaxSize) { return(Json(new JsonResultModel { Message = "图片过大,换个图试试!" })); } try { string oldFile = string.Empty; string fileName = Upload.UploadAvatar(imageBase64); var user = Users.GetUserById(CurrentUserInfo.Id); if (user != null && !user.IsNull) { oldFile = user.Avatar; } bool status = UserPublic.UpdateAvatar(CurrentUserInfo.Id, fileName); UsersLogin.RefreshCookieUserInfo(CurrentUserInfo.Id); if (status) { if (!string.IsNullOrEmpty(oldFile)) { await Upload.DeleteAvatar(oldFile); } return(Json(new JsonResultModel { ResultState = true, Message = "保存成功!" })); } } catch (Exception ex) { return(Json(new JsonResultModel { Message = ex.Message })); } return(Json(new JsonResultModel { Message = "保存失败!" })); }