jackmaod的excle导出单元格字体颜色控制

package lambdasinaction.chap1;

import com.alibaba.excel.metadata.Head;
import com.alibaba.excel.metadata.data.CellData;
import com.alibaba.excel.metadata.data.WriteCellData;
import com.alibaba.excel.write.handler.AbstractCellWriteHandler;
import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
import com.alibaba.excel.write.metadata.holder.WriteTableHolder;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.IndexedColors;

import java.util.List;

/**
* Created by IntelliJ IDEA.
*
* @Author : liaowj
* @create 2024/6/10 14:07
*/
public class CustomCellStyleStrategy extends AbstractCellWriteHandler {

@Override
public void afterCellDispose(WriteSheetHolder writeSheetHolder, WriteTableHolder writeTableHolder, List<WriteCellData<?>> cellDataList, Cell cell, Head head, Integer relativeRowIndex, Boolean isHead) {

// 这里假设我们要对第一行的第一个单元格进行样式设置
if ( cell.getRowIndex() == 3 && cell.getColumnIndex() == 1) {
System.out.println("==============");
CellStyle cellStyle = writeSheetHolder.getSheet().getWorkbook().createCellStyle();
Font font = writeSheetHolder.getSheet().getWorkbook().createFont();
font.setFontHeightInPoints((short) 222);
font.setBold(true);
font.setColor(IndexedColors.RED.getIndex()); // 设置为红色
cellStyle.setFont(font);
cell.setCellStyle(cellStyle);
}
}
}

调用

EasyExcel.write(fileName)
.head(head) // 设置动态表头
.registerWriteHandler(new CustomCellStyleStrategy()) // 注册自定义的WriteHandler
.sheet("Sheet1") // 设置sheet名称
.doWrite(dataModels); // 写入数据

}