有关jsp的文件复制

type Exception reportmessage Internal Server Errordescription The server encountered an internal error (Internal Server Error) that prevented it from fulfilling this request.exception org.apache.jasper.JasperException: Unable to compile class for JSPAn error occurred at line: -1 in the jsp file: nullGenerated servlet error:
    [javac] Since fork is true, ignoring compiler setting.
    [javac] Compiling 1 source file
    [javac] Since fork is true, ignoring compiler setting.
    [javac] C:\jboss\tomcat-4.1.x\work\MainEngine\localhost\_\yi\CopyFile_jsp.java:67: out is already defined in _jspService(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
    [javac] java.io.FileOutputStream out  =  new  java.io.FileOutputStream(dest_filePath);
    [javac]                                                  ^
    [javac] 1 error
请问：out is already defined in _jspService
那么这该如何解决呢？我是新人，帮帮我

/**
* Title: 文件的各种操作
* Copyright: Copyright (c) 2004
* Company: 广东有限公司
* @author 网络信息部庆丰
* @version 1.0
*/package common;import java.io.*;public class FileOperate {
 public FileOperate() {
 } /**
 * 新建目录
 * @param folderPath String 如 c:/fqf
 * @return boolean
 */
 public void newFolder(String folderPath) {
 try {
 String filePath = folderPath;
 filePath = filePath.toString();
 java.io.File myFilePath = new java.io.File(filePath);
 if (!myFilePath.exists()) {
 myFilePath.mkdir();
 }
 }
 catch (Exception e) {
 System.out.println("新建目录操作出错");
 e.printStackTrace();
 }
 } /**
 * 新建文件
 * @param filePathAndName String 文件路径及名称如c:/fqf.txt
 * @param fileContent String 文件内容
 * @return boolean
 */
 public void newFile(String filePathAndName, String fileContent) { try {
 String filePath = filePathAndName;
 filePath = filePath.toString();
 File myFilePath = new File(filePath);
 if (!myFilePath.exists()) {
 myFilePath.createNewFile();
 }
 FileWriter resultFile = new FileWriter(myFilePath);
 PrintWriter myFile = new PrintWriter(resultFile);
 String strContent = fileContent;
 myFile.println(strContent);
 resultFile.close(); }
 catch (Exception e) {
 System.out.println("新建目录操作出错");
 e.printStackTrace(); } } /**
 * 删除文件
 * @param filePathAndName String 文件路径及名称如c:/fqf.txt
 * @param fileContent String
 * @return boolean
 */
 public void delFile(String filePathAndName) {
 try {
 String filePath = filePathAndName;
 filePath = filePath.toString();
 java.io.File myDelFile = new java.io.File(filePath);
 myDelFile.delete(); }
 catch (Exception e) {
 System.out.println("删除文件操作出错");
 e.printStackTrace(); } } /**
 * 删除文件夹
 * @param filePathAndName String 文件夹路径及名称如c:/fqf
 * @param fileContent String
 * @return boolean
 */
 public void delFolder(String folderPath) {
 try {
 delAllFile(folderPath); //删除完里面所有内容
 String filePath = folderPath;
 filePath = filePath.toString();
 java.io.File myFilePath = new java.io.File(filePath);
 myFilePath.delete(); //删除空文件夹 }
 catch (Exception e) {
 System.out.println("删除文件夹操作出错");
 e.printStackTrace(); } } /**
 * 删除文件夹里面的所有文件
 * @param path String 文件夹路径如 c:/fqf
 */
 public void delAllFile(String path) {
 File file = new File(path);
 if (!file.exists()) {
 return;
 }
 if (!file.isDirectory()) {
 return;
 }
 String[] tempList = file.list();
 File temp = null;
 for (int i = 0; i < tempList.length; i++) {
 if (path.endsWith(File.separator)) {
 temp = new File(path + tempList[i]);
 }
 else {
 temp = new File(path + File.separator + tempList[i]);
 }
 if (temp.isFile()) {
 temp.delete();
 }
 if (temp.isDirectory()) {
 delAllFile(path+"/"+ tempList[i]);//先删除文件夹里面的文件
 delFolder(path+"/"+ tempList[i]);//再删除空文件夹
 }
 }
 } /**
 * 复制单个文件
 * @param oldPath String 原文件路径如：c:/fqf.txt
 * @param newPath String 复制后路径如：f:/fqf.txt
 * @return boolean
 */
 public void copyFile(String oldPath, String newPath) {
 try {
 int bytesum = 0;
 int byteread = 0;
 File oldfile = new File(oldPath);
 if (oldfile.exists()) { //文件存在时
 InputStream inStream = new FileInputStream(oldPath); //读入原文件
 FileOutputStream fs = new FileOutputStream(newPath);
 byte[] buffer = new byte[1444];
 int length;
 while ( (byteread = inStream.read(buffer)) != -1) {
 bytesum += byteread; //字节数文件大小
 System.out.println(bytesum);
 fs.write(buffer, 0, byteread);
 }
 inStream.close();
 }
 }
 catch (Exception e) {
 System.out.println("复制单个文件操作出错");
 e.printStackTrace(); } } /**
 * 复制整个文件夹内容
 * @param oldPath String 原文件路径如：c:/fqf
 * @param newPath String 复制后路径如：f:/fqf/ff
 * @return boolean
 */
 public void copyFolder(String oldPath, String newPath) { try {
 (new File(newPath)).mkdirs(); //如果文件夹不存在则建立新文件夹
 File a=new File(oldPath);
 String[] file=a.list();
 File temp=null;
 for (int i = 0; i < file.length; i++) {
 if(oldPath.endsWith(File.separator)){
 temp=new File(oldPath+file[i]);
 }
 else{
 temp=new File(oldPath+File.separator+file[i]);
 } if(temp.isFile()){
 FileInputStream input = new FileInputStream(temp);
 FileOutputStream output = new FileOutputStream(newPath + "/" +
 (temp.getName()).toString());
 byte[] b = new byte[1024 * 5];
 int len;
 while ( (len = input.read(b)) != -1) {
 output.write(b, 0, len);
 }
 output.flush();
 output.close();
 input.close();
 }
 if(temp.isDirectory()){//如果是子文件夹
 copyFolder(oldPath+"/"+file[i],newPath+"/"+file[i]);
 }
 }
 }
 catch (Exception e) {
 System.out.println("复制整个文件夹内容操作出错");
 e.printStackTrace(); } } /**
 * 移动文件到指定目录
 * @param oldPath String 如：c:/fqf.txt
 * @param newPath String 如：d:/fqf.txt
 */
 public void moveFile(String oldPath, String newPath) {
 copyFile(oldPath, newPath);
 delFile(oldPath); } /**
 * 移动文件到指定目录
 * @param oldPath String 如：c:/fqf.txt
 * @param newPath String 如：d:/fqf.txt
 */
 public void moveFolder(String oldPath, String newPath) {
 copyFolder(oldPath, newPath);
 delFolder(oldPath); }
}

更正医以下注释为移动文件夹
//----------------------------
/**
   * 移动文件到指定目录
   * @param oldPath String 如：c:/fqf.txt
   * @param newPath String 如：d:/fqf.txt
   */
  public void moveFolder(String oldPath, String newPath) {
    copyFolder(oldPath, newPath);
    delFolder(oldPath);  }
}

/**
   * 移动文件夹到指定目录
   * @param oldPath String 如：c:/fqf
   * @param newPath String 如：d:/fqf
   */

调试易

有关jsp的文件复制

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