简介:Hutool是一款十分好用的开发工具集,里面包含了大部分日常开发常用的工具,使用简单方便,可以大大提升日常开发效率,十分推荐大家使用。这里简单总结一下基于Hutool的Excel使用。

一、Hutool依赖

<!-- Excel导出、导入--><dependency><groupId>cn.hutool</groupId><artifactId>hutool-all</artifactId><version>5.8.5</version></dependency><dependency><groupId>org.apache.poi</groupId><artifactId>poi-ooxml</artifactId><version>5.0.0</version></dependency>
package com.example.demo.util;import org.apache.poi.ss.usermodel.Cell;import org.apache.poi.ss.usermodel.CellType;import org.apache.poi.ss.usermodel.Row;import org.apache.poi.ss.usermodel.Sheet;/** * Excel导出自适应宽度工具类 * * @author BossXia * @date 2023/11/11 21:58 */public class AdaptiveWidthUtils {/** * 自适应宽度(中文支持) * * @param sheet sheet * @param size因为for循环从0开始,size值为 列数-1 */public static void setSizeColumn(Sheet sheet, int size) {for (int columnNum = 0; columnNum <= size; columnNum++) {int columnWidth = sheet.getColumnWidth(columnNum) / 256;for (int rowNum = 0; rowNum <= sheet.getLastRowNum(); rowNum++) {Row currentRow;//当前行未被使用过if (sheet.getRow(rowNum) == null) {currentRow = sheet.createRow(rowNum);} else {currentRow = sheet.getRow(rowNum);}if (currentRow.getCell(columnNum) != null) {Cell currentCell = currentRow.getCell(columnNum);if (currentCell.getCellType() == CellType.STRING) {int length = currentCell.getStringCellValue().getBytes().length;if (columnWidth < length) {columnWidth = length;}}}}sheet.setColumnWidth(columnNum, columnWidth * 256);}}}