<dependency><groupId>com.alibaba</groupId><artifactId>easyexcel</artifactId><version>2.2.6</version>
</dependency>

import com.alibaba.excel.context.AnalysisContext;
import com.alibaba.excel.event.AnalysisEventListener;
import lombok.extern.slf4j.Slf4j;import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;/*** StringList 解析监听器* @author Lingyejun* @since 2022-11-12*/
@Slf4j
public class StringArrayExcelReadListener extends AnalysisEventListener<Map<String, String>> {/*** 存储读取到的表头*/private List<String> head = new ArrayList<>();/*** 存储读取到的 Excel 数据*/private List<List<String>> data = new ArrayList<>();/*** 每解析一行都会回调invoke()方法* @param item  读取后的数据对象* @param context 内容*/@Overridepublic void invoke(Map<String, String> item, AnalysisContext context) {if(item != null && !item.isEmpty()) {List<String> info = item.entrySet().stream().map(e -> e.getValue()).collect(Collectors.toList());data.add(info);}}@Overridepublic void doAfterAllAnalysed(AnalysisContext context) {}/*** 处理读取到的表头数据* @param headMap* @param context*/@Overridepublic void invokeHeadMap(Map<Integer, String> headMap, AnalysisContext context) {if(headMap != null && !headMap.isEmpty()) {head = headMap.entrySet().stream().map(e -> e.getValue()).collect(Collectors.toList());}}/*** 获取表头数据信息* @return*/public List<String> getHead() {return this.head;}/*** 获取读取到的 Excel 数据* @return*/public List<List<String>> getData() {return this.data;}
}

@PostMapping("importExcel")
public void excelImportAdd(@RequestParam("file") MultipartFile file) {if (file.isEmpty()) {throw new QuZuException("请选择上传文件");}InputStream inputStream;try {inputStream = file.getInputStream();} catch (IOException e) {e.printStackTrace();throw new QuZuException("解析文件错误");}StringArrayExcelReadListener listener = new StringArrayExcelReadListener();ExcelReader reader = EasyExcelFactory.read(inputStream, listener).build();// 读取Sheet,从第0行开始读取(表示从表头开始读)ReadSheet readSheet = EasyExcel.readSheet(0).build();reader.read(readSheet);reader.finish();List<String> head = listener.getHead();System.out.println(JSON.toJSONString(head));List<List<String>> data = listener.getData();System.out.println(JSON.toJSONString(data));
}