excel写入笔记

Posted 2020-10-14

excel写入笔记

import org.apache.poi.hssf.usermodel.HSSFCell;

import org.apache.poi.hssf.usermodel.HSSFWorkbook;

import org.apache.poi.ss.usermodel.Row;

import org.apache.poi.ss.usermodel.Cell;

import org.apache.poi.ss.usermodel.Sheet;

public class Demo3 {

static String FILENAMEPATH = "E:\\data.xls";

public static void main(String[] args) throws Exception {

// TODO Auto-generated method stub

HSSFWorkbook exb = new HSSFWorkbook();//定义一个新的工作簿

Sheet sheet = exb.createSheet("第一个shell页");   //创建一个

Row row = sheet.createRow(0); //创建一个行

Cell cell = row.createCell(0); //创建一个列

cell.setCellValue(new Date()); //给单元格设值

//写入值

row.createCell(1).setCellValue(1);

row.createCell(2).setCellValue("第一个字符串");

row.createCell(3).setCellValue(true);

row.createCell(4).setCellValue(HSSFCell.CELL_TYPE_NUMERIC);

row.createCell(5).setCellValue(false);

//row.createCell(1).setCellValue(2);

FileOutputStream fileOut = new FileOutputStream(FILENAMEPATH);  //打开文件

exb.write(fileOut); //写入文件

fileOut.close(); // 关闭文件

System.out.println("操作成功");

}

}