Xlsx 转 DataTable
2021/5/5 10:55:19
本文主要是介绍Xlsx 转 DataTable,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
Xlsx 转 DataTable
public DataTable XlsxToDataTable(string vFilePath, string vSheetName) { DataTable dataTable = new DataTable(); try { SLDocument sldocument = new SLDocument(vFilePath, vSheetName); dataTable.TableName = vSheetName; SLWorksheetStatistics worksheetStatistics = sldocument.GetWorksheetStatistics(); int startColumnIndex = worksheetStatistics.StartColumnIndex; int endColumnIndex = worksheetStatistics.EndColumnIndex; int startRowIndex = worksheetStatistics.StartRowIndex; int endRowIndex = worksheetStatistics.EndRowIndex; for (int i = startColumnIndex; i <= endColumnIndex; i++) { SLRstType cellValueAsRstType = sldocument.GetCellValueAsRstType(1, i); dataTable.Columns.Add(new DataColumn(cellValueAsRstType.GetText(), typeof(string))); } for (int j = startRowIndex + 1; j <= endRowIndex; j++) { DataRow dataRow = dataTable.NewRow(); for (int i = startColumnIndex; i <= endColumnIndex; i++) { dataRow[i - 1] = sldocument.GetCellValueAsString(j, i); } dataTable.Rows.Add(dataRow); } } catch (Exception ex) { throw new Exception("Xlsx to DataTable: \n" + ex.Message); } return dataTable; }
public DataTable XlsToDataTable(string vFilePath, string vSheetName, int vJumpToRow) { DataTable dataTable = new DataTable(); Stream stream = null; try { stream = File.OpenRead(vFilePath); HSSFWorkbook hssfworkbook = new HSSFWorkbook(stream); HSSFSheet hssfsheet = (HSSFSheet)hssfworkbook.GetSheet(vSheetName); HSSFRow hssfrow = (HSSFRow)hssfsheet.GetRow(vJumpToRow - 1); int lastCellNum = (int)hssfrow.LastCellNum; for (int i = (int)hssfrow.FirstCellNum; i < lastCellNum; i++) { DataColumn column = new DataColumn(hssfrow.GetCell(i).StringCellValue); dataTable.Columns.Add(column); } dataTable.TableName = vSheetName; int lastRowNum = hssfsheet.LastRowNum; for (int i = hssfsheet.FirstRowNum + vJumpToRow; i <= hssfsheet.LastRowNum; i++) { HSSFRow hssfrow2 = (HSSFRow)hssfsheet.GetRow(i); DataRow dataRow = dataTable.NewRow(); for (int j = (int)hssfrow2.FirstCellNum; j < lastCellNum; j++) { if (hssfrow2.GetCell(j) == null) { dataRow[j] = ""; } else { dataRow[j] = hssfrow2.GetCell(j).ToString(); } } dataTable.Rows.Add(dataRow); } stream.Close(); } catch (Exception ex) { throw new Exception("Xls to DataTable: \n" + ex.Message); } finally { if (stream != null) { stream.Close(); } } return dataTable; }
这篇关于Xlsx 转 DataTable的文章就介绍到这儿,希望我们推荐的文章对大家有所帮助,也希望大家多多支持为之网!
- 2024-06-26结对编程到底难不难?答案在这里
- 2024-06-19《2023版Java工程师》课程升级公告
- 2024-06-15matplotlib作图不显示3D图,怎么办?
- 2024-06-1503-Loki 日志监控
- 2024-06-1504-让LLM理解知识 -Prompt
- 2024-06-05做软件测试需要懂代码吗?
- 2024-06-0514-ShardingSphere的分布式主键实现
- 2024-06-03为什么以及如何要进行架构设计权衡?
- 2024-05-31全网首发第二弹!软考2024年5月《软件设计师》真题+解析+答案!(11-20题)
- 2024-05-31全网首发!软考2024年5月《软件设计师》真题+解析+答案!(21-30题)