簡單fileupload 上傳

blic class ReceiveFile extends HttpServlet {

    private String uploadPath = "uploadpic/upload/"; // 上傳文件的目錄
    private String tempPath = "uploadpic/uploadtmp/"; // 臨時文件目錄
    private String serverPath = null;
    private String[] fileType = new String[]{".jpg",".gif",".bmp",".png",".jpeg",".ico"};
    private int sizeMax = 5;//圖片最大上限

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        // 服務器端根目錄
        String serverPath = getServletContext().getRealPath("/").replace("\\", "/");
//        System.out.println(serverPath);
        //Servlet初始化時執行,如果上傳文件目錄不存在則自動創建
        if(!new File(serverPath+uploadPath).isDirectory()){
            new File(serverPath+uploadPath).mkdirs();
        }
        if(!new File(serverPath+tempPath).isDirectory()){
            new File(serverPath+tempPath).mkdirs();
        }
        DiskFileItemFactory factory = new DiskFileItemFactory();
        factory.setSizeThreshold(5*1024); //最大緩存
        factory.setRepository(new File(serverPath+tempPath));//臨時文件目錄

        ServletFileUpload upload = new ServletFileUpload(factory);
        upload.setSizeMax(sizeMax*1024*1024);//文件最大上限

        String filePath = null;
        try {
            List<FileItem> items = upload.parseRequest(request);//獲取所有文件列表
            //
            for (int i=0;i<items.size();i++) {
                //裏面一個for循環，獲取一行的數據
                FileItem item = items.get(i);
<span style="white-space:pre">  </span>          if(!item.isFormField()){//文件名
                    String fileName = item.getName().toLowerCase();
                    if(fileName.endsWith(fileType[0])||fileName.endsWith(fileType[1])||fileName.endsWith(fileType[2])||fileName.endsWith(fileType[3])||fileName.endsWith(fileType[4])||fileName.endsWith(fileType[5])){
//                        String uuid = UUID.randomUUID().toString();
                        filePath = serverPath+uploadPath+fileName;
//                        System.out.println(filePath);
                        File file = new File(filePath);
                        item.write(file);
                        System.out.println(fileName);
                     }else {
                        request.setAttribute("errorMsg", "上傳失敗,請確認上傳的文件存在並且類型是圖片!");
                        request.getRequestDispatcher("uploaderror.jsp").forward(request,response);
                    }
                }else {
                  //非文件流
                    String value=item.getString();
                    value = new String(value.getBytes("ISO-8859-1"),"UTF-8");
//                    System.out.println(value);
                    System.out.println(value);
                }

            }
        } catch (Exception e) {
            e.printStackTrace();
            request.setAttribute("errorMsg", "上傳失敗,請確認上傳的文件存在並且類型是圖片!");
            request.getRequestDispatcher("uploaderror.jsp").forward(request,response);
        }
    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
            throws ServletException, IOException {
        this.doPost(req, resp);
    }
}

public class ReceiveFile extends HttpServlet {

    private String uploadPath = "uploadpic/upload/"; // 上傳文件的目錄
    private String tempPath = "uploadpic/uploadtmp/"; // 臨時文件目錄
    private String serverPath = null;
    private String[] fileType = new String[]{".jpg",".gif",".bmp",".png",".jpeg",".ico"};
    private int sizeMax = 5;//圖片最大上限

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        // 服務器端根目錄
        String serverPath = getServletContext().getRealPath("/").replace("\\", "/");
//        System.out.println(serverPath);
        //Servlet初始化時執行,如果上傳文件目錄不存在則自動創建
        if(!new File(serverPath+uploadPath).isDirectory()){
            new File(serverPath+uploadPath).mkdirs();
        }
        if(!new File(serverPath+tempPath).isDirectory()){
            new File(serverPath+tempPath).mkdirs();
        }
        DiskFileItemFactory factory = new DiskFileItemFactory();
        factory.setSizeThreshold(5*1024); //最大緩存
        factory.setRepository(new File(serverPath+tempPath));//臨時文件目錄

        ServletFileUpload upload = new ServletFileUpload(factory);
        upload.setSizeMax(sizeMax*1024*1024);//文件最大上限

        String filePath = null;
        try {
            List<FileItem> items = upload.parseRequest(request);//獲取所有文件列表
            //
            for (int i=0;i<items.size();i++) {
                //裏面一個for循環，獲取一行的數據
                FileItem item = items.get(i);
<span style="white-space:pre">  </span>          if(!item.isFormField()){//文件名
                    String fileName = item.getName().toLowerCase();
                    if(fileName.endsWith(fileType[0])||fileName.endsWith(fileType[1])||fileName.endsWith(fileType[2])||fileName.endsWith(fileType[3])||fileName.endsWith(fileType[4])||fileName.endsWith(fileType[5])){
//                        String uuid = UUID.randomUUID().toString();
                        filePath = serverPath+uploadPath+fileName;
//                        System.out.println(filePath);
                        File file = new File(filePath);
                        item.write(file);
                        System.out.println(fileName);
                     }else {
                        request.setAttribute("errorMsg", "上傳失敗,請確認上傳的文件存在並且類型是圖片!");
                        request.getRequestDispatcher("uploaderror.jsp").forward(request,response);
                    }
                }else {
                  //非文件流
                    String value=item.getString();
                    value = new String(value.getBytes("ISO-8859-1"),"UTF-8");
//                    System.out.println(value);
                    System.out.println(value);
                }

            }
        } catch (Exception e) {
            e.printStackTrace();
            request.setAttribute("errorMsg", "上傳失敗,請確認上傳的文件存在並且類型是圖片!");
            request.getRequestDispatcher("uploaderror.jsp").forward(request,response);
        }
    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
            throws ServletException, IOException {
        this.doPost(req, resp);
    }
}

public class ReceiveFile extends HttpServlet {

    private String uploadPath = "uploadpic/upload/"; // 上傳文件的目錄
    private String tempPath = "uploadpic/uploadtmp/"; // 臨時文件目錄
    private String serverPath = null;
    private String[] fileType = new String[]{".jpg",".gif",".bmp",".png",".jpeg",".ico"};
    private int sizeMax = 5;//圖片最大上限

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        // 服務器端根目錄
        String serverPath = getServletContext().getRealPath("/").replace("\\", "/");
//        System.out.println(serverPath);
        //Servlet初始化時執行,如果上傳文件目錄不存在則自動創建
        if(!new File(serverPath+uploadPath).isDirectory()){
            new File(serverPath+uploadPath).mkdirs();
        }
        if(!new File(serverPath+tempPath).isDirectory()){
            new File(serverPath+tempPath).mkdirs();
        }
        DiskFileItemFactory factory = new DiskFileItemFactory();
        factory.setSizeThreshold(5*1024); //最大緩存
        factory.setRepository(new File(serverPath+tempPath));//臨時文件目錄

        ServletFileUpload upload = new ServletFileUpload(factory);
        upload.setSizeMax(sizeMax*1024*1024);//文件最大上限

        String filePath = null;
        try {
            List<FileItem> items = upload.parseRequest(request);//獲取所有文件列表
            //
            for (int i=0;i<items.size();i++) {
                //裏面一個for循環，獲取一行的數據
                FileItem item = items.get(i);
<span style="white-space:pre">  </span>          if(!item.isFormField()){//文件名
                    String fileName = item.getName().toLowerCase();
                    if(fileName.endsWith(fileType[0])||fileName.endsWith(fileType[1])||fileName.endsWith(fileType[2])||fileName.endsWith(fileType[3])||fileName.endsWith(fileType[4])||fileName.endsWith(fileType[5])){
//                        String uuid = UUID.randomUUID().toString();
                        filePath = serverPath+uploadPath+fileName;
//                        System.out.println(filePath);
                        File file = new File(filePath);
                        item.write(file);
                        System.out.println(fileName);
                     }else {
                        request.setAttribute("errorMsg", "上傳失敗,請確認上傳的文件存在並且類型是圖片!");
                        request.getRequestDispatcher("uploaderror.jsp").forward(request,response);
                    }
                }else {
                  //非文件流
                    String value=item.getString();
                    value = new String(value.getBytes("ISO-8859-1"),"UTF-8");
//                    System.out.println(value);
                    System.out.println(value);
                }

            }
        } catch (Exception e) {
            e.printStackTrace();
            request.setAttribute("errorMsg", "上傳失敗,請確認上傳的文件存在並且類型是圖片!");
            request.getRequestDispatcher("uploaderror.jsp").forward(request,response);
        }
    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
            throws ServletException, IOException {
        this.doPost(req, resp);
    }
}