1 /**  2  * Created by ${huangjianbo} on 2017/7/12 0012.  3  */  4 @Controller  5 @RequestMapping("/index")  6 public class IndexController extends BaseController{  7     @Resource(name = "goodsService")  8     private GoodsService goodsService;  9     @Resource(name = "imageService") 10     private ImageService imageService; 11     @RequestMapping("/index") 12     public String index(){ 13         return "home"; 14     } 15     @RequestMapping("/list") 16     public String list(ModelMap model){ 17         List
     
       list = goodsService.queryAll(); 18         model.addAttribute("list",list); 19         return "list"; 20     } 21     /** 22      * 上传1 23      * @param request 24      * @return 25      * @throws IOException 26      */ 27     @RequestMapping(value = "/upload",method = RequestMethod.POST) 28     public String upload(ModelMap model,HttpServletRequest request) throws IOException { 29         // 得到CommonsMultipartResolver对象 30         CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver( 31                 request.getSession().getServletContext()); 32         // 判断 request 是否有文件上传,即多部分请求 33         if (multipartResolver.isMultipart(request)) { 34             // 转换成多部分request 35             MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest) request; 36             // 取得request中的所有文件名 37             Iterator
      
        iter = multiRequest.getFileNames(); 38             while (iter.hasNext()) { 39                 // 取得上传文件 40                 MultipartFile f = multiRequest.getFile(iter.next()); 41                 if (f != null) { 42                     // 取得当前上传文件的文件名称 43                     String myFileName = f.getOriginalFilename(); 44                     // 如果名称不为“”,说明该文件存在，否则说明该文件不存在 45                     if (myFileName.trim() != "") { 46                         // 定义上传路径 47                         String path = request.getSession().getServletContext().getRealPath("upload"); 48                         String p = Thread.currentThread().getContextClassLoader().getResource("").getPath(); 49                         File localFile = new File(path, myFileName); 50                         if(!localFile.exists()){        //不存在文件夹，创建 51                             localFile.mkdirs(); 52                         } 53                         f.transferTo(localFile); 54                         ImageEntity imageEntity = new ImageEntity(); 55                         String x = "file:///"+path+"\\"+f.getOriginalFilename(); 56                         x.substring(39); 57                         imageEntity.setImage(x.substring(39)); 58                         System.out.println("file:///"+path+"\\"+f.getOriginalFilename()); 59                         imageService.insert(imageEntity); 60                         model.addAttribute("imageEntity",imageEntity); 61                     } 62                 } 63  64             } 65         } 66         return "success"; 67     } 68  69     /** 70      * 下载 71      * @param fileName 文件名称 72      * @param request 73      * @param response 74      * @throws Exception 75      */ 76     @RequestMapping("/download/{fileName:.+}") 77     public void download(@PathVariable String fileName, HttpServletRequest request, HttpServletResponse response) throws Exception { 78  79         BufferedInputStream bis = null; 80         BufferedOutputStream bos = null; 81         //获取下载文件路径 82         String downLoadPath = request.getSession().getServletContext().getRealPath("upload")+"\\" + fileName; 83         //获取文件的长度 84         long fileLength = new File(downLoadPath).length(); 85         //设置文件输出类型 86         response.setHeader("Content-disposition", "attachment; filename=" 87                 + new String(fileName.getBytes("utf-8"), "ISO8859-1")); 88         //设置输出长度 89         response.setHeader("Content-Length", String.valueOf(fileLength)); 90         //获取输入流 91         bis = new BufferedInputStream(new FileInputStream(downLoadPath)); 92         //输出流 93         bos = new BufferedOutputStream(response.getOutputStream()); 94         byte[] buff = new byte[2048]; 95         int bytesRead; 96         while (-1 != (bytesRead = bis.read(buff, 0, buff.length))) { 97             bos.write(buff, 0, bytesRead); 98         } 99         //关闭流100         bis.close();101         bos.close();102     }