javaWorkbook转为bite
时间: 2024-01-19 10:02:58
浏览: 46
你可以使用Java中的Apache POI库来将Workbook[对象](https://geek.csdn.net/educolumn/04c51611e4b730957464192e0307b82c?spm=1055.2569.3001.10083)转换为字节数组(byte array)。下面是一个示例代码:
```java
import org.apache.poi.ss.usermodel.*;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
public class WorkbookToByteArrayExample {
public st[ati](https://geek.csdn.net/educolumn/150d7073277950db5f09620704e791cf?spm=1055.2569.3001.10083)c void main([string](https://geek.csdn.net/edu/8802d631b97a4a6af1f4d0bbf8527465?dp_token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6NDQ0MDg2MiwiZXhwIjoxNzA3MzcxOTM4LCJpYXQiOjE3MDY3NjcxMzgsInVzZXJuYW1lIjoid2VpeGluXzY4NjQ1NjQ1In0.RrTYEnMNYPC7AQdoij4SBb0kKEgHoyvF-bZOG2eGQvc&spm=1055.2569.3001.10083)[] args) {
// 创建一个Workbook[对象](https://geek.csdn.net/educolumn/04c51611e4b730957464192e0307b82c?spm=1055.2569.3001.10083)
Workbook workbook = new XSSFWorkbook();
// 假设你已经在Workbook中添加了一些数据和格式
// 将Workbook转换为字节数组
byte[] bytesData = convertWorkbookToByteArray(workbook);
// 现在你可以将bytesData保存到文件或通过网络传输
public st[ati](https://geek.csdn.net/educolumn/150d7073277950db5f09620704e791cf?spm=1055.2569.3001.10083)c byte[] convertWorkbookToByteArray(Workbook workbook) {
byte[] bytesData = null;
try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {
workbook.write(outputStream);
bytesData = outputStream.toByteArray();
} catch (IOException e) {
e.printStackTrace();
return bytesData;
```