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Hutool是一个小而全的Java工具类库，通过静态方法封装，降低相关API的学习成本，提高工作效率，使Java拥有函数式语言般的优雅，让Java语言也可以“甜甜的”。

There is a newer version: 5.8.34

package cn.hutool.poi.excel.cell.setters;

import cn.hutool.poi.excel.cell.CellSetter;
import org.apache.poi.ss.usermodel.Cell;

import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.temporal.TemporalAccessor;
import java.util.Date;

/**
 * {@link TemporalAccessor} 值单元格设置器
 *
 * @author looly
 * @since 5.7.8
 */
public class TemporalAccessorCellSetter implements CellSetter {

	private final TemporalAccessor value;

	/**
	 * 构造
	 *
	 * @param value 值
	 */
	TemporalAccessorCellSetter(TemporalAccessor value) {
		this.value = value;
	}

	@Override
	public void setValue(Cell cell) {
		if (value instanceof Instant) {
			cell.setCellValue(Date.from((Instant) value));
		} else if (value instanceof LocalDateTime) {
			cell.setCellValue((LocalDateTime) value);
		} else if (value instanceof LocalDate) {
			cell.setCellValue((LocalDate) value);
		}
	}
}