java SmartUpload类问题 没有分了就这点了
我在网上看了很多修改SmartUpload类就可以下载中文名字的文件，但是我在反编译SmartUpload类后然后修改如下：
/*
* 由   ReJava   v1.4   反编译
*   Copyright   2005-2007   Apull
* 2007-9-25
* 源文件：SmartUpload.java
*/

package   com.jspsmart.upload;

import   java.io.File;
import   java.io.FileInputStream;
import   java.io.FileOutputStream;
import   java.io.IOException;
import   java.io.InputStream;
import   java.io.OutputStream;
import   java.sql.ResultSet;
import   java.sql.SQLException;
import   java.util.Vector;
import   javax.servlet.ServletConfig;
import   javax.servlet.ServletContext;
import   javax.servlet.ServletException;
import   javax.servlet.ServletRequest;
import   javax.servlet.ServletResponse;
import   javax.servlet.http.HttpServletRequest;
import   javax.servlet.http.HttpServletResponse;
import   javax.servlet.http.HttpSession;
import   javax.servlet.jsp.JspWriter;
import   javax.servlet.jsp.PageContext;

//   Referenced   classes   of   package   com.jspsmart.upload:
// Files,   Request,   SmartUploadException,   File

public   class   SmartUpload
{

protected   byte   m_binArray[];
protected   javax.servlet.http.HttpServletRequest   m_request;
protected   javax.servlet.http.HttpServletResponse   m_response;
protected   javax.servlet.ServletContext   m_application;
private   int   m_totalBytes;
private   int   m_currentIndex;
private   int   m_startData;
private   int   m_endData;
private   java.lang.String   m_boundary;
private   long   m_totalMaxFileSize;
private   long   m_maxFileSize;
private   java.util.Vector   m_deniedFilesList;
private   java.util.Vector   m_allowedFilesList;
private   boolean   m_denyPhysicalPath;
private   boolean   m_forcePhysicalPath;
private   java.lang.String   m_contentDisposition;
public   static   final   int   SAVE_AUTO   =   0;
public   static   final   int   SAVE_VIRTUAL   =   1;
public   static   final   int   SAVE_PHYSICAL   =   2;
private   com.jspsmart.upload.Files   m_files;
private   com.jspsmart.upload.Request   m_formRequest;

public   SmartUpload()
{
m_totalBytes   =   0;
m_currentIndex   =   0;
m_startData   =   0;
m_endData   =   0;
m_boundary   =   new   String();
m_totalMaxFileSize   =   0L;
m_maxFileSize   =   0L;
m_deniedFilesList   =   new   Vector();
m_allowedFilesList   =   new   Vector();
m_denyPhysicalPath   =   false;
m_forcePhysicalPath   =   false;
m_contentDisposition   =   new   String();
m_files   =   new   Files();
m_formRequest   =   new   Request();
}

/**
  *   @deprecated   Method   init   is   deprecated
  */

public   final   void   init(javax.servlet.ServletConfig   config)
throws   javax.servlet.ServletException
{
m_application   =   config.getServletContext();
}

/**
  *   @deprecated   Method   service   is   deprecated