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<GoodsEntity> 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<String> 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 }
