核销：

参考：https://wenku.my7c.com/article/43729857239646208?productLineId=1&lang=zh-CN

反核销：

Common.Core.FinMatch.CalParameter para = new Common.Core.FinMatch.CalParameter();           

para.Ctx = this.Context;          

 para.FormID = Core.BusinessObjectConst.AP_PAYABLE;           表单标识

 para.MatchLogs = records;         暂估开票核销记录内码fid   

IOperationResult result = AP.ServiceHelper.APComonServiceHelper.UnFinMatchProcess(para);