创build一个Excel文件的副本不能按预期工作

我想把一个excel（.xls）的全部内容复制到另一个，replace成“ and ” ，但是这个代码是创build一个新的excel，但是只复制最后一列（在我的情况下是第七列）。我在哪里错了这个代码…

公共类Rename {

static HSSFRow row_read = null; static HSSFRow row_write = null; static Cell cell; static FileOutputStream output = null; static HSSFWorkbook workbook_read = null; static HSSFWorkbook workbook_write = null; static HSSFSheet sheet_read = null; static HSSFSheet sheet_write = null; public static void removechar() { try{ FileInputStream input = new FileInputStream("inputpath//test_input.xls"); workbook_read = new HSSFWorkbook(input); sheet_read = workbook_read.getSheet("Report"); workbook_write = new HSSFWorkbook(); sheet_write = workbook_write.createSheet("Test"); DataFormatter formatter = new DataFormatter(); int rowCount = sheet_read.getLastRowNum(); System.out.println(rowCount); for(int rowNum = 0; rowNum<=rowCount; rowNum++) { for(int cellNum = 0; cellNum<=7; cellNum++) { //Cell cell = null; row_read=sheet_read.getRow(rowNum); row_write = sheet_write.createRow(rowNum); String temp = formatter.formatCellValue(row_read.getCell(cellNum)); //System.out.println(temp); String temp1 = temp.replaceAll("\'", ""); String temp2 = temp1.replaceAll("\"", ""); System.out.println(temp2); cell = row_write.createCell(cellNum); cell.setCellValue(temp2); } } output = new FileOutputStream("outputpath\\test_output.xls"); workbook_write.write(output); } catch(Exception e) { e.printStackTrace(); } } public static void main(String[] argv) throws IOException { Rename.removechar(); } 

}

谢谢

Answer 1

问题是以下几行

 row_read=sheet_read.getRow(rowNum); row_write = sheet_write.createRow(rowNum); 

它需要在单元循环之外（ for(int cellNum = 0; cellNum<=7; cellNum++) ）

它应该看起来像。

  for (int rowNum = 0; rowNum <= rowCount; rowNum++) { row_read = sheet_read.getRow(rowNum); row_write = sheet_write.createRow(rowNum); for (int cellNum = 0; cellNum <= 7; cellNum++) { // Cell cell = null; String temp = formatter.formatCellValue(row_read.getCell(cellNum)); 

您也可能需要更改import static Cell cell; import HSSFCell cell;

这是完整的代码。

 import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import org.apache.poi.hssf.usermodel.HSSFCell; 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.ss.usermodel.DataFormatter; public class Rename { static HSSFRow row_read = null; static HSSFRow row_write = null; static HSSFCell cell; static FileOutputStream output = null; static HSSFWorkbook workbook_read = null; static HSSFWorkbook workbook_write = null; static HSSFSheet sheet_read = null; static HSSFSheet sheet_write = null; public static void removechar() { try { FileInputStream input = new FileInputStream("D://test_input.xls"); workbook_read = new HSSFWorkbook(input); sheet_read = workbook_read.getSheet("Report"); workbook_write = new HSSFWorkbook(); sheet_write = workbook_write.createSheet("Test"); DataFormatter formatter = new DataFormatter(); int rowCount = sheet_read.getLastRowNum(); System.out.println(rowCount); for (int rowNum = 0; rowNum <= rowCount; rowNum++) { row_read = sheet_read.getRow(rowNum); row_write = sheet_write.createRow(rowNum); for (int cellNum = 0; cellNum <= 7; cellNum++) { // Cell cell = null; String temp = formatter.formatCellValue(row_read.getCell(cellNum)); // System.out.println(temp); String temp1 = temp.replaceAll("\'", ""); String temp2 = temp1.replaceAll("\"", ""); System.out.println(temp2); cell = row_write.createCell(cellNum); cell.setCellValue(temp2); } } output = new FileOutputStream("D://test_output.xls"); workbook_write.write(output); } catch (Exception e) { e.printStackTrace(); } } public static void main(String[] argv) throws IOException { Rename.removechar(); } }