HSSFWorkBook是解析excel2007以前的版本(xls)
之后的版本使用XSSFWrokBook(xlsx)
附:处理excel2007之后的版本代码:
package gbyp.autoQuery.action; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.nio.channels.FileChannel; import java.util.Date; import java.util.Iterator; import org.apache.poi.hssf.extractor.ExcelExtractor; import org.apache.poi.hssf.usermodel.HSSFCell; import org.apache.poi.hssf.usermodel.HSSFCellStyle; import org.apache.poi.hssf.usermodel.HSSFDataFormat; import org.apache.poi.hssf.usermodel.HSSFFont; import org.apache.poi.hssf.usermodel.HSSFHyperlink; import org.apache.poi.hssf.usermodel.HSSFRow; import org.apache.poi.hssf.usermodel.HSSFSheet; import org.apache.poi.hssf.usermodel.HSSFWorkbook; import org.apache.poi.hssf.util.HSSFColor; import org.apache.poi.openxml4j.opc.OPCPackage; import org.apache.poi.poifs.filesystem.POIFSFileSystem; import org.apache.poi.ss.usermodel.Cell; import org.apache.poi.ss.usermodel.Row; import org.apache.poi.ss.util.CellRangeAddress; import org.apache.poi.xssf.usermodel.XSSFSheet; import org.apache.poi.xssf.usermodel.XSSFWorkbook; import xsf.IContextDictionary; import xsf.data.DBManager; import xsf.data.DataRow; import xsf.data.DataTable; import xsf.data.Sql; import xsf.web.HttpContext; import xsf.web.IAction; public class ExcelExport { public static void main(String[] args) { ExcelExport ee = new ExcelExport(); ee.writeExcel2(); } public void writeExcel2() { // 声明excel对象 XSSFWorkbook wb = null; // 声明poi流 // POIFSFileSystem fs=null; // 写读取的文件路径 String path = "E:/需要完善的项目清单.xlsx"; try { // 创建文件流 创建excell对象 wb = new XSSFWorkbook(new FileInputStream(path)); // 获得工作薄, 得到工作表 XSSFSheet sheet = wb.getSheetAt(0); boolean isOne = true; for (Iterator<Row> iter = sheet.rowIterator(); iter.hasNext();) { // 得到行 Row row = iter.next(); // 迭代列 // 循环每一行的所有列 int i = 0; for (Iterator<Cell> cellIter = row.cellIterator(); cellIter .hasNext();) { // 得到列对象 Cell cell = cellIter.next(); if (i == 1) { String content = cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC ? cell .getNumericCellValue() + "" : cell.getStringCellValue(); if (!content.equals("项目名称")) { //数据库取值并赋值 cell.setCellValue("****项目"); } } i++; } if (isOne) { isOne = false; } } String path2 = "E:/需要完善的项目清单2.xlsx"; // 创建输出流 OutputStream out = new FileOutputStream(path2); // 将数据写入文件 wb.write(out); // 关闭文件 out.close(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } }
附:处理excel2007之前版本代码:
package gbyp.autoQuery.action; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.nio.channels.FileChannel; import java.util.Date; import java.util.Iterator; import org.apache.poi.hssf.extractor.ExcelExtractor; import org.apache.poi.hssf.usermodel.HSSFCell; import org.apache.poi.hssf.usermodel.HSSFCellStyle; import org.apache.poi.hssf.usermodel.HSSFDataFormat; import org.apache.poi.hssf.usermodel.HSSFFont; import org.apache.poi.hssf.usermodel.HSSFHyperlink; import org.apache.poi.hssf.usermodel.HSSFRow; import org.apache.poi.hssf.usermodel.HSSFSheet; import org.apache.poi.hssf.usermodel.HSSFWorkbook; import org.apache.poi.hssf.util.HSSFColor; import org.apache.poi.poifs.filesystem.POIFSFileSystem; import org.apache.poi.ss.usermodel.Cell; import org.apache.poi.ss.usermodel.Row; import org.apache.poi.ss.util.CellRangeAddress; import xsf.IContextDictionary; import xsf.data.DBManager; import xsf.data.DataRow; import xsf.data.DataTable; import xsf.data.Sql; import xsf.web.HttpContext; import xsf.web.IAction; public class ExcelExport { public static void main(String[] args) { ExcelExport ee = new ExcelExport(); ee.writeExcel2(); } public void writeExcel2() { // 声明excel对象 HSSFWorkbook wb = null; // 声明poi流 POIFSFileSystem fs = null; // 写读取的文件路径 String path = "E:/需要完善的项目清单.xls"; try { // 设置要读取的文件路径 // 创建文件流 fs = new POIFSFileSystem(new FileInputStream(path)); // HSSFWorkBook相当于一个excel文件,HSSFWorkBook是解析excel2007以前的版本(xls) // 之后的版本使用XSSFWrokBook(xlsx) // 创建excell对象 wb = new HSSFWorkbook(fs); // 获得工作薄 // 得到工作表 HSSFSheet sheet = wb.getSheetAt(0); boolean isOne = true; for (Iterator<Row> iter = sheet.rowIterator(); iter.hasNext();) { // 得到行 Row row = iter.next(); // 迭代列 // 循环每一行的所有列 int i = 0; for (Iterator<Cell> cellIter = row.cellIterator(); cellIter.hasNext();) { // 得到列对象 Cell cell = cellIter.next(); if (i == 1) { String content = cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC ? cell.getNumericCellValue() + "": cell.getStringCellValue(); if(!content.equals("项目名称")){ cell.setCellValue("****项目"); } } i++; } if (isOne) { isOne = false; } } String path2 = "E:/需要完善的项目清单2.xls"; // 创建输出流 OutputStream out = new FileOutputStream(path2); // 将数据写入文件 wb.write(out); // 关闭文件 out.close(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } }