servlet保存路径

public class UploadFileServlet extends HttpServlet  {      public void doPost(HttpServletRequest request, HttpServletResponse response)              throws ServletException, IOException      {          response.setContentType("text/html");          PrintWriter out = response.getWriter();          // 创建文件项目工厂对象          DiskFileItemFactory factory = new DiskFileItemFactory();          // 设置文件上传路径          String upload = this.getServletContext().getRealPath("/upload/");          // 获取系统默认的临时文件保存路径，该路径为Tomcat根目录下的temp文件夹          String temp = System.getProperty("java.io.tmpdir");          // 设置缓冲区大小为 5M          factory.setSizeThreshold(1024 * 1024 * 5);          // 设置临时文件夹为temp          factory.setRepository(new File(temp));          // 用工厂实例化上传组件,ServletFileUpload 用来解析文件上传请求          ServletFileUpload servletFileUpload = new ServletFileUpload(factory);          // 解析结果放在List中          try          {              List<FileItem> list = servletFileUpload.parseRequest(request);              for (FileItem item : list)              {                  String name = item.getFieldName();                  InputStream is = item.getInputStream();                  if (name.contains("content"))                  {                      System.out.println(inputStream2String(is));                  } else if(name.contains("file"))                  {                      try                      {                          inputStream2File(is, upload + "\\" + item.getName());                      } catch (Exception e)                      {                          e.printStackTrace();                      }                  }              }              out.write("success");          } catch (FileUploadException e)          {              e.printStackTrace();              out.write("failure");          }          out.flush();          out.close();      }      // 流转化成字符串      public static String inputStream2String(InputStream is) throws IOException      {          ByteArrayOutputStream baos = new ByteArrayOutputStream();          int i = -1;          while ((i = is.read()) != -1)          {              baos.write(i);          }          return baos.toString();      }      // 流转化成文件      public static void inputStream2File(InputStream is, String savePath)              throws Exception      {          System.out.println("文件保存路径为:" + savePath);          File file = new File(savePath);          InputStream inputSteam = is;          BufferedInputStream fis = new BufferedInputStream(inputSteam);          FileOutputStream fos = new FileOutputStream(file);          int f;          while ((f = fis.read()) != -1)          {              fos.write(f);          }          fos.flush();          fos.close();          fis.close();          inputSteam.close();      }  }