package com.hifogroup.wiki.web.trade;
import org.apache.poi.util.IOUtils; import org.springframework.core.io.ResourceLoader; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping;
import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.*; import java.net.URLEncoder; import java.nio.charset.StandardCharsets;
/**
-
Created by Administrator on 2018/4/24. */ @Controller @RequestMapping("file") public class FileDownController {
@Resource private ResourceLoader resourceLoader; @RequestMapping("file") void download(String path, HttpServletResponse response, HttpServletRequest request) { InputStream inputStream = null; OutputStream servletOutputStream =null; try { // 下载保存的文件名 String filename = "1.mp4";
path = "1.mp4"; org.springframework.core.io.Resource resource = resourceLoader.getResource("classpath:"+path); // Excel 下载 // response.setContentType("application/vnd.ms-excel"); // 文件视频下载 response.setContentType("application/octet-stream"); response.addHeader("Cache-Control", "no-cache, no-store, must-revalidate"); response.addHeader("charset", "utf-8"); response.addHeader("Pragma", "no-cache"); String encodeName = URLEncoder.encode(filename, StandardCharsets.UTF_8.toString()); response.setHeader("Content-Disposition", "attachment; filename=\"" + encodeName + "\"; filename*=utf-8''" + encodeName); inputStream = resource.getInputStream(); servletOutputStream = response.getOutputStream(); IOUtils.copy(inputStream, servletOutputStream); response.flushBuffer(); } catch (Exception e) { } finally { try { if (servletOutputStream != null) { servletOutputStream.close(); } if (inputStream != null) { inputStream.close(); } // 召唤jvm的垃圾回收器 System.gc(); } catch (Exception e) { e.printStackTrace(); } }
} }