java POI创建Excel

package com.wc.excel;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import org.apache.commons.io.FileUtils;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 PoiExpExcel {/** * POI生成Excel文件 * @author wc * @param args */public static void main(String[] args) {String[] title = {"id","name","sex"};//创建Excel工作簿HSSFWorkbook workbook = new HSSFWorkbook();//创建一个工作表HSSFSheet
sheet = workbook.createSheet();//创建第一行HSSFRow row = sheet.createRow(0);HSSFCell cell = null;//插入第一行数据 id,name,sexfor (int i = 0; i < title.length; i++) {cell = row.createCell(i);cell.setCellValue(title[i]);}//追加数据for (int i = 1; i <=10; i++) {HSSFRow nextrow
= sheet.createRow(i);HSSFCell cell2 = nextrow.createCell(0);cell2.setCellValue("a"+i);cell2 = nextrow.createCell(1);cell2.setCellValue("user"+i);cell2 = nextrow.createCell(2);cell2.setCellValue("男"+i);cell2 = nextrow.createCell(3);}//创建一个文件File file = new
File("D:/ii.xls");try {file.createNewFile();//将Excel内容存盘FileOutputStream stream = FileUtils.openOutputStream(file);workbook.write(stream);stream.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}