hssfrow 单元格样式_POI 设置单元格样式
时间: 2023-07-22 08:11:55 浏览: 116
好的,我了解你的问题。如果你想要使用POI设置单元格样式,可以按照以下步骤进行:
1. 创建一个单元格样式对象:使用工作簿对象的createCellStyle()方法创建一个CellStyle对象。
2. 设置单元格样式:使用CellStyle对象的各种方法设置单元格的样式,例如setFont()、setAlignment()、setBorder()等等。
3. 将样式应用到单元格:使用单元格对象的setCellStyle()方法将样式应用到单元格上。
下面是一个示例代码:
```
Workbook wb = new XSSFWorkbook();
Sheet sheet = wb.createSheet("Sheet1");
Row row = sheet.createRow(0);
Cell cell = row.createCell(0);
// 创建单元格样式对象
CellStyle style = wb.createCellStyle();
// 设置单元格样式
Font font = wb.createFont();
font.setFontName("Arial");
font.setFontHeightInPoints((short) 16);
font.setBold(true);
style.setFont(font);
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
style.setBorderBottom(BorderStyle.THIN);
style.setBottomBorderColor(IndexedColors.BLACK.getIndex());
style.setBorderLeft(BorderStyle.THIN);
style.setLeftBorderColor(IndexedColors.GREEN.getIndex());
// 将样式应用到单元格
cell.setCellValue("Hello, World!");
cell.setCellStyle(style);
// 保存工作簿
FileOutputStream fileOut = new FileOutputStream("workbook.xlsx");
wb.write(fileOut);
fileOut.close();
```
这段代码演示了如何使用POI创建一个单元格样式对象,并将其应用到单元格上。你可以根据自己的需要设置单元格样式的各种属性。
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