使用Poi导出文本格式excel

import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellType;
import org.apache.poi.ss.usermodel.Row;

@RequestMapping()
public void export(HttpServletResponse response, HttpSession session,HttpServletRequest request){
	HSSFWorkbook workbook = new HSSFWorkbook(); //创建Excel
	HSSFCellStyle style = workbook.createCellStyle();
	style.setDataFormat(workbook.createDataFormat().getFormat("@")); // 设置为文本格式
	HSSFSheet sheet1 = workbook.createSheet("第一个工作空间");//创建Sheet
	HSSFRow T_row1 = sheet1.createRow(0);//创建一行表头
	T_row1.createCell(0).setCellValue("第一列");//设置表头列名
	T_row1.createCell(1).setCellValue("第二列");//设置表头列名
	for (Cell cell : T_row1) {
	    cell.setCellStyle(style);
	    cell.setCellType(CellType.STRING);
	}
	String filename = "使用Poi导出文本格式excel.xls";  //设置文件名
	//设置文件头
	ServletOutputStream Out = response.getOutputStream();
	response.setHeader("Content-Disposition", "attachment; filename=\"" + new String(filename.getBytes(),"iso-8859-1") + "\"");
	//设置字符集
	response.setCharacterEncoding("UTF-8");
	//设置文件类型
	response.setContentType("application/octet-stream; charset=UTF-8");
	//将文件流写入response 流
	workbook.write(Out);  
}