代码
java
import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.write.style.column.AbstractColumnWidthStyleStrategy;
import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public static void main(String[] args) {
String fileName = "E:\\test\\excel2.xlsx";
// 模拟数据
List<List<String>> data = new ArrayList<>();
data.add(Arrays.asList("复杂表头1", "复杂表头2", "复杂表头3", "复杂表头4"));
data.add(Arrays.asList("数据1", "数据2", "数据3", "数据4"));
data.add(Arrays.asList("数据5", "数据6", "数据7", "数据8"));
// 设置表头
List<List<String>> head = new ArrayList<>();
head.add(Arrays.asList("填报状态", "表头1"));
head.add(Arrays.asList("填报状态", "表头2"));
head.add(Arrays.asList("填报状态", "表头3"));
head.add(Arrays.asList("填报状态", "表头4"));
// 创建并设置自适应列宽样式
AbstractColumnWidthStyleStrategy columnWidthStyleStrategy = new LongestMatchColumnWidthStyleStrategy();
// 写入Excel
EasyExcel.write(fileName)
.head(head)
.registerWriteHandler(columnWidthStyleStrategy)
.sheet("Sheet1")
.doWrite(data);
}
}