poi-样式设置

 //设置单元格格式
  HSSFFont titlefont = workbook.createFont();  
  titlefont.setFontName("黑体");  
  titlefont.setFontHeightInPoints((short) 20);//设置字体大小   
  titlefont.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);//粗体显示   
        
  HSSFCellStyle titleStyle = workbook.createCellStyle();
  //setStyle单元格居中
  titleStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 居中
  titleStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);//垂直居中  
  titleStyle.setFont(titlefont);


  cell=row.createCell(0);
  cell.setCellValue(title[0]);
  cell.setCellStyle(titleStyle);