package com.ruoyi.service.impl;
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import com.ruoyi.common.config.RuoYiConfig;
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import com.ruoyi.common.core.domain.AjaxResult;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.common.utils.file.FileUtils;
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import com.ruoyi.service.DownLoadFileService;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.http.MediaType;
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import org.springframework.stereotype.Service;
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import javax.servlet.http.HttpServletResponse;
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import java.io.*;
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/**
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* @Version 1.0
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* @Author Jin_quan Ou
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* @Date 2023-03-19 17:33
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*/
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@Service
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@Slf4j
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public class DownLoadFileServiceImpl implements DownLoadFileService {
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@Override
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public void downLoadFile(String path, HttpServletResponse response) {
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path = path.substring(8);
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try {
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if (!FileUtils.checkAllowDownload(path)) {
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throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", path));
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}
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String realFileName = System.currentTimeMillis() + path.substring(path.indexOf("_") + 1);
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String filePath = RuoYiConfig.getProfile() + path;
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response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
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FileUtils.setAttachmentResponseHeader(response, realFileName);
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FileUtils.writeBytes(filePath, response.getOutputStream());
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} catch (Exception e) {
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log.error("下载文件失败", e);
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}
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}
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}
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