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  • poi导出excel

    // 创建一个Excel文件
    HSSFWorkbook workbook = new HSSFWorkbook();
    // 创建一个工作表
    HSSFSheet sheet = workbook.createSheet("销售订单列表");
    // 添加表头行
    HSSFRow hssfRow = sheet.createRow(0);
    // 设置单元格格式居中
    HSSFCellStyle cellStyle = workbook.createCellStyle();
    cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
    
    // 添加表头内容
    HSSFCell headCell = hssfRow.createCell(0);
    headCell.setCellValue("订单编号");
    headCell.setCellStyle(cellStyle);
    
    headCell = hssfRow.createCell(1);
    headCell.setCellValue("产品编号");
    headCell.setCellStyle(cellStyle);
    
    headCell = hssfRow.createCell(2);
    headCell.setCellValue("销售员编号");
    headCell.setCellStyle(cellStyle);
    
    // 添加数据内容
    for (int i = 0; i < xsLists.size(); i++) {
    hssfRow = sheet.createRow((int) i + 1);
    XSList xsList = xsLists.get(i);
    
    // 创建单元格,并设置值
    HSSFCell cell = hssfRow.createCell(0);
    cell.setCellValue(xsList.getSaleno());
    cell.setCellStyle(cellStyle);
    
    cell = hssfRow.createCell(1);
    cell.setCellValue(xsList.getProductno());
    cell.setCellStyle(cellStyle);
    
    cell = hssfRow.createCell(2);
    cell.setCellValue(xsList.getStaffno());
    cell.setCellStyle(cellStyle);
    }
    
    // 保存Excel文件
    try {
    OutputStream outputStream = new FileOutputStream("E:/XSList.xls");
    workbook.write(outputStream);
    outputStream.close();
    } catch (Exception e) {
    e.printStackTrace();
    }
    

      

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  • 原文地址:https://www.cnblogs.com/ZhangHaiBK/p/8988649.html
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