public void InsertOrUpdateOnlyItem(List<tblLims_Ana_LE_Import_Common> listLe)         {             var listLeInsert = new List<tblLims_Ana_LE_Import_Common>();             var listLeUpdate = new List<tblLims_Ana_LE_Import_Common>();             foreach (var le in listLe)             {                 tblLims_Ana_LE_Import_Common model = le;                 var own = CurrentRepository.Find(a => a.fldTaskID == model.fldTaskID                 && a.fldBizCatID == model.fldBizCatID                 && a.fldItemCode == model.fldItemCode                 && a.fldNumber == model.fldNumber                 && a.fldSampleCode == model.fldSampleCode);                 if (own != null)                 {                     var ser = new JavaScriptSerializer();                     var listown = ser.Deserialize<List<Dictionary<string, string>>>(own.fldImportData);  //原数据                     var listmodel = ser.Deserialize<List<Dictionary<string, string>>>(model.fldImportData); //新数据                     IEqualityComparer<Dictionary<string, string>> ec = new EntityComparer();   //自定义的比较类                     own.fldImportData = ser.Serialize(listmodel.Union(listown, ec));  //合并数据                     listLeUpdate.Add(own);                 }                 else                 {                     listLeInsert.Add(model);                 }             }             CurrentRepository.UpdateAll(listLeUpdate);             CurrentRepository.InsertAll(listLeInsert);             CurrentRepository.Save();         }

/// <summary>     /// 自定义比较类     /// </summary>     public class EntityComparer : IEqualityComparer<Dictionary<string, string>>     {         public bool Equals(Dictionary<string, string> x, Dictionary<string, string> y)         {             if (ReferenceEquals(x, y)) return true;             if (ReferenceEquals(x, null) || ReferenceEquals(y, null))                 return false;             return x["name"] == y["name"];  //如果名称相同就不追加         }         public int GetHashCode(Dictionary<string, string> obj)         {             if (ReferenceEquals(obj, null)) return 0;             int hashName = obj["name"] == null ? 0 : obj["name"].GetHashCode();             int hashCode = obj["name"] == null ? 0 : obj["name"].GetHashCode();             return hashName ^ hashCode;         }     }