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UploadUtil.java

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package top.whgojp.common.utils;

import lombok.extern.slf4j.Slf4j;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Component;

import org.springframework.web.multipart.MultipartFile;

import top.whgojp.common.constant.SysConstant;

import java.io.File;

import java.io.IOException;

@Slf4j

@Component

public class UploadUtil {

@Autowired

private SysConstant sysConstant;

public String uploadFile(MultipartFile file, String suffix, String path) throws IOException {

// 从配置中获取上传目录

String uploadFolderPath = sysConstant.getUploadFolder();

try {

// 确保目录存在

File uploadDir = new File(uploadFolderPath);

if (!uploadDir.exists() && !uploadDir.mkdirs()) {

throw new IOException("Failed to create upload directory: " + uploadFolderPath);

}

// 构建文件路径

String fileName = System.currentTimeMillis() + "." + suffix;

String newFilePath = uploadFolderPath + File.separator + fileName;

// 保存文件

file.transferTo(new File(newFilePath));

log.info("上传文件成功，文件路径：" + newFilePath);

return "上传文件成功，文件路径：" + path + fileName;

} catch (IOException e) {

log.error("文件上传失败：{}", e.getMessage(), e);

throw e; // 重新抛出异常供上层处理

}

}

}