为什么无法使用 Apache POI (3.16)“正确”隐藏 Excel 行?可以调用 (XSSFRow) row.setZeroHeight(),这也是 Busy developer's guide 的作用。推荐。但是,这与 Excel 隐藏行的方式不同。您可以使用相应的上下文菜单选项“隐藏”和“取消隐藏”行。
我认为设置行样式应该有效,但事实并非如此。在生成的 Excel 文件中,仍然可以看到该行。
package de.mwe;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.testng.Assert;
import org.testng.annotations.Test;
public class MWE {
@Test
public void testHidingRows() {
final XSSFWorkbook wb = new XSSFWorkbook();
String sname = "HideRowsTestSheet", cname = "TestName", cvalue = "TestVal";
XSSFSheet sheet = wb.createSheet( sname );
XSSFRow row = sheet.createRow( 0 );
XSSFCell cell = row.createCell( (short) 0 );
cell.setCellValue( cvalue );
XSSFCellStyle hiddenRowStyle = wb.createCellStyle();
hiddenRowStyle.setHidden( true );
row.setRowStyle( hiddenRowStyle );
Assert.assertTrue( row.getRowStyle().getHidden() );
try (FileOutputStream fileOut = new FileOutputStream( new File( "target/PoiTestDrive.xlsx" ) )) {
wb.write( fileOut );
} catch ( IOException ex ) {
ex.printStackTrace();
}
// does not work, resulting Excel file shows first row.
}
}
最佳答案
Busy developer's guide对于隐藏/取消隐藏行是正确的。但是有一个小错误,因为它必须是 row.setZeroHeight(true);
才能隐藏行。
Row.setZeroHeight(boolean)与隐藏行时 Excel
的操作完全相同。它适用于 HSSF
以及 XSSF
。对于 XSSF,它只是将隐藏属性设置为 XML 行,请参阅 XSSFRow.java .
示例:
import java.io.FileOutputStream;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFRow;
public class CreateExcelHiddenRow {
public static void main(String[] args) throws Exception {
//Workbook wb = new HSSFWorkbook();
Workbook wb = new XSSFWorkbook();
Sheet sheet = wb.createSheet();
for (int r = 0; r < 3; r++) {
Row row = sheet.createRow(r);
Cell cell = row.createCell(0);
cell.setCellValue("Row " + (r+1));
}
Row row = sheet.getRow(1);
row.setZeroHeight(true);
//FileOutputStream out = new FileOutputStream("CreateExcelHiddenRow.xls");
FileOutputStream out = new FileOutputStream("CreateExcelHiddenRow.xlsx");
wb.write(out);
out.close();
wb.close();
}
}
关于java - 为什么不能使用 Apache POI 隐藏 Excel 行 'properly'?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/46196042/