package test;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
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;
public class TestExcel {
public static void main(String[] args) throws Exception{
HSSFWorkbook workbook = new HSSFWorkbook();
HSSFSheet sheet = workbook.createSheet();
workbook.setSheetName(0, "gradeList");
HSSFRow row = sheet.createRow(0);
HSSFCell cell;
//写入2列的第一行
for (int i = 0; i < 8; i++) {
cell = row.createCell(i);
cell.setCellType(HSSFCell.CELL_TYPE_STRING);
cell.setCellValue("第"+(i+1)+"列");
}
//增加 第二行
for (int j = 1; j < 20; j++) {
row = sheet.createRow(j);
for (int i = 0; i < 8; i++) {
cell = row.createCell(i);
cell.setCellType(HSSFCell.CELL_TYPE_STRING);
cell.setCellValue(i+1);
}
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
workbook.write(baos);
byte[] b = baos.toByteArray();
File file= new File("c:/myExcel.xls");
FileOutputStream fos = new FileOutputStream(file);
fos.write(b);
}
}
javaexcelapi
最新推荐文章于 2022-02-25 20:00:37 发布