public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String fileModelName = ""; Boolean flag = Boolean.valueOf(request.getParameter("_eiExportFlag")); if (!flag) {
(GZIPSheetDataWriter.java:39) at org.apache.poi.xssf.streaming.SheetDataWriter. <init>(SheetDataWriter.java:49) at org.apache.poi.xssf.streaming.GZIPSheetDataWriter. (SXSSFWorkbook.java:239) at org.apache.poi.xssf.streaming.SXSSFSheet. <init>(SXSSFSheet.java:67) at org.apache.poi.xssf.streaming.SXSSFWorkbook.createAndRegisterSXSSFSheet (SXSSFWorkbook.java:564) at org.apache.poi.xssf.streaming.SXSSFWorkbook.createSheet(SXSSFWorkbook.java
每个工作表的行 XSSFCell 关键字 : 单元格 每个行中的单元格 XSSFCellStyle关键字 : 单元格样式 package cn.itcsdn; import org.apache.poi.xssf.usermodel.XSSFCell ; import org.apache.poi.xssf.usermodel.XSSFRow; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook; import java.io.FileOutputStream; // XSSFWorkbook ; import org.apache.poi.xssf.usermodel.XSSFRow; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook; import java.io.FileInputStream; import java.io.FileOutputStream
所以本地可以模拟poi-ooxml-3.5-FINAL的XSSF进行大量数据的导出实验,同时需要进行多线程导出。 ; import org.apache.poi.xssf.usermodel.XSSFRow; import org.apache.poi.xssf.usermodel.XSSFSheet; import img 看看XSSF和HSSF的区别 The supplied data appears to be in the Office 2007+ XML. You need to call a different part of POI to process this data (eg XSSF instead of HSSF) 其实区别就是XSSF支持excel 解决方案 查看poi官网的change log http://poi.apache.org/changes.html ,既然3.5-FINAL的XSSF有问题,向上查找3.5-FINAL之后的XSSF相关字样的信息
.*; import org.apache.poi.xssf.usermodel.XSSFCell; import org.apache.poi.xssf.usermodel.XSSFRow; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook; import java.io.File ; import org.apache.poi.xssf.streaming.SXSSFRow; import org.apache.poi.xssf.streaming.SXSSFSheet; import org.apache.poi.xssf.streaming.SXSSFWorkbook; import org.apache.poi.xssf.usermodel.XSSFCell; import org.apache.poi.xssf.usermodel.XSSFRow ; import org.apache.poi.xssf.streaming.SXSSFRow; import org.apache.poi.xssf.streaming.SXSSFSheet; import
目录 1 读取excle 1 读取excle import org.apache.poi.xssf.usermodel.XSSFCell; import org.apache.poi.xssf.usermodel.XSSFRow ; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook;
HSSF 和 XSSF HSSF 被用来处理早期版本,这个版本为:Excel '97(-2007) XSSF 被用来处理近期的版本,Excel 2007 OOXML (.xlsx) 。 简单来说就是你的 Excel 版本为 07 年以后的版本,使用 XSSF 就可以了,换句话说目前使用 XSSF 比较多。 XSSF 读取数据 使用 XSSF 读取数据的方法比较简单。
(ColumnHelper.java:115) at org.apache.poi.xssf.usermodel.helpers.ColumnHelper.cleanColumns(ColumnHelper.java :56) at org.apache.poi.xssf.usermodel.helpers.ColumnHelper. <init>(ColumnHelper.java:43) at org.apache.poi.xssf.usermodel.XSSFSheet.read(XSSFSheet.java:144) at org.apache.poi.xssf.usermodel.XSSFSheet.onDocumentRead(XSSFSheet.java:130) at org.apache.poi.xssf.usermodel.XSSFWorkbook.onDocumentRead XSSFWorkbook.java:286) at org.apache.poi.POIXMLDocument.load(POIXMLDocument.java:159) at org.apache.poi.xssf.usermodel.XSSFWorkbook
/:3.17]at org.apache.poi.xssf.streaming.AutoSizeColumnTracker. /:3.17]at org.apache.poi.xssf.streaming.SXSSFSheet.<init>(SXSSFSheet.java:82) ~[poi-ooxml-3.17.jar! /:3.17]at org.apache.poi.xssf.streaming.SXSSFWorkbook.createAndRegisterSXSSFSheet(SXSSFWorkbook.java: /:3.17]at org.apache.poi.xssf.streaming.SXSSFWorkbook.createSheet(SXSSFWorkbook.java:679) ~[poi-ooxml /:3.17]at org.apache.poi.xssf.streaming.SXSSFWorkbook.createSheet(SXSSFWorkbook.java:90) ~[poi-ooxml-
; import org.apache.poi.xssf.usermodel.XSSFCellStyle; import org.apache.poi.xssf.usermodel.XSSFColor; import org.apache.poi.xssf.usermodel.XSSFFont; import org.apache.poi.xssf.usermodel.XSSFRow; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook; public class ; import org.apache.poi.xssf.usermodel.XSSFRow; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook; public class TestDemo1 { public static void main(String
org.apache.poi.hssf.usermodel.HSSFSheet; import org.apache.poi.hssf.usermodel.HSSFWorkbook; import org.apache.poi.xssf.usermodel.XSSFCell ; import org.apache.poi.xssf.usermodel.XSSFRow; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook; public class ReadWriteExcelFile { public static void
java.io.IOException; import org.apache.poi.openxml4j.exceptions.InvalidFormatException; import org.apache.poi.xssf.usermodel.XSSFCell ; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook;
org.apache.poi.ss.util.CellRangeAddressList; import org.apache.poi.util.IOUtils; import org.apache.poi.xssf.usermodel.XSSFDataValidation ; import org.apache.poi.xssf.usermodel.XSSFDataValidationConstraint; import org.apache.poi.xssf.usermodel.XSSFDataValidationHelper ; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook; ; import org.apache.poi.xssf.usermodel.XSSFDataValidationConstraint; import org.apache.poi.xssf.usermodel.XSSFDataValidationHelper ; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook;
1 package com.test; 2 3 import lombok.Getter; 4 import lombok.Setter; 5 import org.apache.poi.xssf.usermodel.XSSFCellStyle import com.test.ExcelBean; 12 import org.apache.poi.ss.util.CellRangeAddress; 13 import org.apache.poi.xssf.usermodel.XSSFCell ; 14 import org.apache.poi.xssf.usermodel.XSSFCellStyle; 15 import org.apache.poi.xssf.usermodel.XSSFFont ; 16 import org.apache.poi.xssf.usermodel.XSSFRow; 17 import org.apache.poi.xssf.usermodel.XSSFSheet ; 18 import org.apache.poi.xssf.usermodel.XSSFWorkbook; 19 20 /** 21 * @author 朱季谦 22 * @version
org.apache.poi.ss.usermodel.PictureData; import org.apache.poi.ss.usermodel.Sheet; import org.apache.poi.xssf.usermodel.XSSFAnchor ; import org.apache.poi.xssf.usermodel.XSSFPicture; import java.io.File; import java.util.List; import
artifactId>poi-ooxml</artifactId> <version>3.9</version> </dependency> POI的组件列表中,针对excel的主要是HSSF和XSSF XSSF is the POI Project's pure Java implementation of the Excel 2007 OOXML (.xlsx) file format. 2、POI 3.1 创建空白工作簿 import java.io.*; import org.apache.poi.xssf.usermodel.*; public class CreateWorkBook { createworkbook.xlsx written successfully"); } } 3.2 打开现有的工作簿 import java.io.*; import org.apache.poi.xssf.usermodel org.apache.poi.ss.usermodel.Sheet; import org.apache.poi.ss.usermodel.Workbook; import org.apache.poi.xssf.usermodel.XSSFWorkbook
3 百万数据报表概述 3.1 概述 我们都知道Excel可以分为早期的Excel2003版本(使用POI的HSSF对象操作)和Excel2007版本(使用POI的XSSF操作),两者对百万数据的支持如下 Excel 2007:当POI升级到XSSF对象时,它可以直接支持excel2007以上版本,因为它采用ooxml格式。这时excel可以支持1048576条数据,单个sheet表就支持近百万条数据。 在ApachePoi 官方提供了对操作大数据量的导入导出的工具和解决办法,操作Excel2007使用XSSF对象,可以分为三种模式: 用户模式:用户模式有许多封装好的方法操作简单,但创建太多的对象,非常耗内存
org.apache.poi.ss.util.WorkbookUtil.validateSheetName(WorkbookUtil.java:150) at org.apache.poi.xssf.usermodel.XSSFWorkbook.createSheet (XSSFWorkbook.java:911) at org.apache.poi.xssf.streaming.SXSSFWorkbook.createSheet(SXSSFWorkbook.java :745) at org.apache.poi.xssf.streaming.SXSSFWorkbook.createSheet(SXSSFWorkbook.java:102)
artifactId>poi-ooxml</artifactId> <version>3.9</version> </dependency> POI的组件列表中,针对excel的主要是HSSF和XSSF XSSF is the POI Project's pure Java implementation of the Excel 2007 OOXML (.xlsx) file format. 2、POI 3.1 创建空白工作簿 import java.io.*; import org.apache.poi.xssf.usermodel.*; public class CreateWorkBook { createworkbook.xlsx written successfully"); } } 3.2 打开现有的工作簿 import java.io.*; import org.apache.poi.xssf.usermodel org.apache.poi.ss.usermodel.Sheet; import org.apache.poi.ss.usermodel.Workbook; import org.apache.poi.xssf.usermodel.XSSFWorkbook
import org.apache.poi.ss.usermodel.Cell; import org.apache.poi.ss.usermodel.Row; import org.apache.poi.xssf.usermodel.XSSFSheet ; import org.apache.poi.xssf.usermodel.XSSFWorkbook; public class MySQLToExcelExporter extends JFrame