package com.ruoyi.web.controller.common;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.common.config.RuoYiConfig;
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import com.ruoyi.common.constant.Constants;
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import com.ruoyi.common.utils.file.FileUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.http.MediaType;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RestController;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.File;
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/**
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* 通用请求处理
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*
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* @author ruoyi
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*/
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@RestController
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public class CommonController
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{
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private static final Logger log = LoggerFactory.getLogger(CommonController.class);
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/**
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* 通用下载请求
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*
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* @param fileName 文件名称
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* @param delete 是否删除
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*/
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@GetMapping("common/download")
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public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request)
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{
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try
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{
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if (!FileUtils.checkAllowDownload(fileName))
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{
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throw new Exception(StringUtils.format("文件名称({})非法,不允许下载。 ", fileName));
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}
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String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
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String filePath = RuoYiConfig.getDownloadPath() + fileName;
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File file = new File(filePath);
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response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
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FileUtils.setAttachmentResponseHeader(response, realFileName);
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FileUtils.writeToStream(file, response.getOutputStream());
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if (delete)
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{
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FileUtils.del(file);
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}
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}
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catch (Exception e)
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{
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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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* 本地资源通用下载
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*/
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@GetMapping("/common/download/resource")
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public void resourceDownload(String resource, HttpServletRequest request, HttpServletResponse response)
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throws Exception
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{
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try
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{
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if (!FileUtils.checkAllowDownload(resource))
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{
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throw new Exception(StringUtils.format("资源文件({})非法,不允许下载。 ", resource));
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}
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// 本地资源路径
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String localPath = RuoYiConfig.getProfile();
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// 数据库资源地址
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String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX);
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// 下载名称
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String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
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response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
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File file = new File(downloadPath);
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FileUtils.setAttachmentResponseHeader(response, downloadName);
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FileUtils.writeToStream(file, response.getOutputStream());
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}
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catch (Exception e)
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{
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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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