在java中解压spring MultipartFile

import org.springframework.web.multipart.MultipartFile;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

public class FileUploadService {
    public void unzipMultipartFile(MultipartFile multipartFile, String targetFolder) throws IOException {
        // 获取文件名
        String fileName = multipartFile.getOriginalFilename();
        
        // 创建目标解压文件夹
        File folder = new File(targetFolder);
        if (!folder.exists()) {
            folder.mkdirs();
        }
        
        // 获取文件输入流
        InputStream inputStream = multipartFile.getInputStream();
        
        // 创建解压流
        ZipInputStream zipInputStream = new ZipInputStream(inputStream);
        
        // 遍历解压文件
        ZipEntry entry;
        while ((entry = zipInputStream.getNextEntry()) != null) {
            String entryName = entry.getName();
            String filePath = targetFolder + File.separator + entryName;
            
            // 创建解压文件
            File file = new File(filePath);
            
            // 写入解压文件
            FileOutputStream outputStream = new FileOutputStream(file);
            byte[] buffer = new byte[1024];
            int length;
            while ((length = zipInputStream.read(buffer)) > 0) {
                outputStream.write(buffer, 0, length);
            }
            
            // 关闭解压文件输出流
            outputStream.close();
            
            // 关闭解压流
            zipInputStream.closeEntry();
        }
        
        // 关闭文件输入流
        inputStream.close();
    }
}