Java之复制文件

package cn.javanet.test;
import java.io.*;
/**
* 复制文件
* @author 杨剑琦
*
*/
public class CopyIo{
public static void main(String args[]){
   String srcFile;
   String destFile;
   boolean goOn = true;
   java.util.Scanner sc=new java.util.Scanner(System.in);
   try {                                                    
    while (goOn) {                                         
     System.out.println("需要复制的目录 ");  
        srcFile = sc.next();                             
      System.out.println("指定目录 ");
      destFile =sc.next();                           
      System.out.println("正在拷贝....");                
      if (copyFile(srcFile, destFile)) {                 
       System.out.println("拷贝完成");               
      } else {                                           
       System.out.println("拷贝失败");               
      }                                                   
            goOn = false;                                    
      }                                                  
                                                             
   } catch (Exception ef) {                                 
    System.err.println("输入有误,请注意格式!!!" + ef);     
   }                                                        
          
}
/**
*
* @param srcName
* @param destPath
* @return
*/
public static boolean copyFile(String srcName,String destPath){
   File srcFile=new File(srcName);
   File destFile=new File(destPath+srcFile.getName());
   if(srcFile.isDirectory()){
    return copyDir(srcFile.getAbsolutePath(),destPath);
  
   }else{
    return copyRealFile(srcName,destFile.getAbsolutePath());
   }
}
/**
*
* @param srcName
* @param destName
* @return
*/
public static boolean copyRealFile(String srcName,String destName){
   try {
    BufferedInputStream in = new BufferedInputStream(
        new FileInputStream(srcName));
      BufferedOutputStream out = new BufferedOutputStream(
        new FileOutputStream(destName));
      int i = 0;
      byte[] buffer = new byte[2048];
      while ((i = in.read(buffer)) != -1) {
       out.write(buffer, 0, i);
      }
      out.close();
      in.close();
     return true;
     } catch (Exception ex) {
      ex.printStackTrace();
      return false;
     }
   
}
/**
*
* @param srcDir
* @param destDir
* @return
*/
public static boolean copyDir(String srcDir,String destDir){
   boolean star=false;
   File srcFile=new File(srcDir);
   File destFile=new File(destDir+File.separator+srcFile.getName());
   destFile.mkdirs();
   File fileArray[]=srcFile.listFiles();
   for(int i=0;i<fileArray.length;i++){
    if (fileArray[i].isFile()) {
     String destFileName = destFile.getAbsolutePath() + File.separator
       + fileArray[i].getName();
      System.out.println("原目录"+destFileName);
       star = copyRealFile(fileArray[i].getAbsolutePath(), destFileName);
       if (!star) {
        return false;
   }
    }else{
     String destFileName = destFile.getAbsolutePath() ;
     copyDir(fileArray[i].getAbsolutePath(), destFileName);
    }
   }
   return true;

}
}