public ResponseResult<List<NodeView>> GetFirstStepRoleUserTree(WfAppRunner runner) { var result = ResponseResult<List<NodeView>>.Default(); try { var wfservice = new WorkflowService(); var nodeViewList = wfservice.GetFirstActivityRoleUserTree(runner, runner.Conditions).ToList<NodeView>(); result = ResponseResult<List<NodeView>>.Success(nodeViewList, "获取流程第一个办理节点信息成功!"); } catch (System.Exception ex) { result = ResponseResult<List<NodeView>>.Error(string.Format( " 读取第一个办理节点发生异常: {0}", ex.Message)); } return result; }