使用poi生成excel

package test1;

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 David
* @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sheet
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,sex
for (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");
}
//创建一个文件
File file = new File("c:/test/poi_test.xls");
try {
file.createNewFile();
//将Excel内容存盘
FileOutputStream stream = FileUtils.openOutputStream(file);
workbook.write(stream);
stream.close();
} catch (IOException e) {
e.printStackTrace();
}

}

}