Question

java poi excel 如何根据题头设置其中某几列左对齐，某几列右对齐

Answer 1

// 生成一个样式
    HSSFCellStyle style = workbook.createCellStyle();

// 设置这些样式
    style.setFillForegroundColor(HSSFColor.WHITE.index);
    style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
    style.setBorderBottom(BorderStyle.THIN);
    style.setBorderLeft(BorderStyle.THIN);
    style.setBorderRight(BorderStyle.THIN);
    style.setBorderTop(BorderStyle.THIN);
    style.setAlignment(HorizontalAlignment.CENTER);