C# IEnumerable＜T＞转换成DataTable

publicstaticDataTableToDataTable<T>(thisIEnumerable<T>list){DataTabledataTable=newDataTable();PropertyInfo[]array=null;foreach(Titeminlist){if(array==null){array=item.GetType().GetProperties();PropertyInfo[]array2=array;foreach(PropertyInfopropertyInfoinarray2){Typetype=propertyInfo.PropertyType;if(type.IsGenericType&&type.GetGenericTypeDefinition()==typeof(Nullable<>)){type=type.GetGenericArguments()[0];}dataTable.Columns.Add(newDataColumn(propertyInfo.Name,type));}}DataRowdataRow=dataTable.NewRow();PropertyInfo[]array3=array;foreach(PropertyInfopropertyInfo2inarray3){dataRow[propertyInfo2.Name]=((propertyInfo2.GetValue(item,null)==null)?DBNull.Value:propertyInfo2.GetValue(item,null));}dataTable.Rows.Add(dataRow);}returndataTable;}