<dependency>
<groupId>org.apache.poigroupId>
<artifactId>poiartifactId>
<version>5.2.3version>
dependency>
<dependency>
<groupId>org.apache.poigroupId>
<artifactId>poi-ooxmlartifactId>
<version>5.2.3version>
dependency>
<dependency>
<groupId>commons-iogroupId>
<artifactId>commons-ioartifactId>
<version>2.11.0version>
dependency>
<dependency>
<groupId>org.apache.logging.log4jgroupId>
<artifactId>log4j-apiartifactId>
<version>2.15.0version>
dependency>
<dependency>
<groupId>org.apache.logging.log4jgroupId>
<artifactId>log4j-coreartifactId>
<version>2.15.0version>
dependency>
<dependency>
<groupId>org.apache.logging.log4jgroupId>
<artifactId>log4j-slf4j-implartifactId>
<version>2.15.0version>
dependency>
public static Font demoFont(Workbook workbook) {
Font font = workbook.createFont();
font.setFontName("等线"); // 字体
font.setFontHeightInPoints((short) 14);// 字号
font.setBold(true);// 加粗
font.setColor(IndexedColors.BLACK.getIndex());// 颜色
font.setItalic(true);// 斜体
font.setStrikeout(true);// 使用划线
return font;
}
public static CellStyle demoStyle(Workbook workbook) {
CellStyle cellStyle = workbook.createCellStyle();
cellStyle.setFont(demoFont(workbook)); // 字体
cellStyle.setAlignment(HorizontalAlignment.CENTER); // 居中
cellStyle.setWrapText(true); // 自动换行
cellStyle.setBorderTop(BorderStyle.THIN); // 单元格边框
cellStyle.setBorderBottom(BorderStyle.THIN); // 单元格边框
cellStyle.setBorderLeft(BorderStyle.THIN); // 单元格边框
cellStyle.setBorderRight(BorderStyle.THIN); // 单元格边框
cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);//高度居中
cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND); // 实心填充
cellStyle.setFillForegroundColor(new XSSFColor(new Color(181, 230, 181),new DefaultIndexedColorMap()));
return cellStyle;
}
sheet.autoSizeColumn(c); // 自适应
sheet.setColumnWidth(c, 50 * 256);
public static void buildStyle(Workbook wb) {
Sheet sheet;
Row row;
for (int s = 0; s < wb.getNumberOfSheets(); s++) {
sheet = wb.getSheetAt(s);
for (int r = sheet.getFirstRowNum(); r <= sheet.getLastRowNum(); r++) {
row = sheet.getRow(r);
for (int c = row.getFirstCellNum(); c < row.getLastCellNum(); c++) {
if (r == 0) { // 表头
row.getCell(c).setCellStyle(headerStyle(wb));
sheet.autoSizeColumn(c);
} else { // 数据
row.getCell(c).setCellStyle(cellsStyle(wb));
if (sheet.getColumnWidth(c) > 50 * 256) {
sheet.setColumnWidth(c, 50 * 256);
}
}
}
}
}
}
POI 导出 Excel 并且根据内容设置列宽自适应