springboot将MultipartFile放到本地

你可以使用以下代码将Spring Boot中的MultipartFile对象保存到本地:

import org.springframework.util.StringUtils;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.IOException;

public String saveMultipartFileLocally(MultipartFile multipartFile, String directory) throws IOException {
    if (multipartFile.isEmpty()) {
        throw new IllegalArgumentException("MultipartFile is empty");
    }
    
    if (StringUtils.isEmpty(directory)) {
        throw new IllegalArgumentException("Directory path is empty");
    }

    String fileName = multipartFile.getOriginalFilename();
    String filePath = directory + File.separator + fileName;
    File file = new File(filePath);

    multipartFile.transferTo(file);
    
    return file.getAbsolutePath();
}

这段代码中，我们首先检查MultipartFile对象是否为空，然后获取原始文件名并拼接出保存的文件路径。接下来，我们创建一个File对象，并使用transferTo()方法将MultipartFile保存到指定的本地目录中。最后，返回保存文件的绝对路径。

请注意，你需要提供一个合适的目录路径作为参数，确保目录存在并且有足够的权限进行文件保存。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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