package com.ruoyi.system.service.impl;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.ruoyi.system.mapper.UserFileMapper;
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import com.ruoyi.system.model.UserFile;
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import com.ruoyi.system.service.UserFileService;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.core.io.InputStreamResource;
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import org.springframework.stereotype.Service;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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/**
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* <p>
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* 服务实现类
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* </p>
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*
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* @author administrator
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* @since 2026-01-15
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*/
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@Service
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public class UserFileServiceImpl extends ServiceImpl<UserFileMapper, UserFile> implements UserFileService {
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@Value("${file.upload.dirFile}")
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private Path fileLocation;
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@Override
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public InputStreamResource resolveResource(UserFile userFile){
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try {
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var filePath = fileLocation.resolve(userFile.getName() + "." + userFile.getExtension()).normalize();
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if (!Files.exists(filePath)) {
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return null;
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}
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return new InputStreamResource(Files.newInputStream(filePath));
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}catch (Exception e){
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e.printStackTrace();
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}
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return null;
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}
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}
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