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          ?
          
		
          
				//
				任務1：
          
				//
				寫一個文件拷貝函數：?fileCopy(String?a?,String?b)???
          
				//
				a--表示原文件名???b--表示目標文件名擴展：
          
				//
				如果a是文件，則copy?a到b?文件;
          
				//
				如果a是目錄，則copy?a下的所有文件和文件夾（包括子文件夾）到b目錄下。
          
				//
          
				
						
          
				          
				import
				?java.io.
				*
				;


          
				public
				?
				class
				?IODemo?{
          ????
          ????          
				public
				?
				void
				?fileCopy(String?a,?String?b){
          ????????File?file?          
				=
				?
				new
				?File(a);

          ????????          
				if
				(
				!
				file.exists()){
          ????????????System.out.println(a?          
				+
				?
				"
				?Not?Exists.
				"
				);
          ????????????          
				return
				;
          ????????}
          ????????File?fileb?          
				=
				?
				new
				?File(b);

          ????????          
				if
				(file.isFile()){
          ????????????FileInputStream?fis?          
				=
				?
				null
				;
          ????????????FileOutputStream?fos?          
				=
				null
				;
          ????????????          
				try
				?{
          ????????????????fis?          
				=
				?
				new
				?FileInputStream(file);
          ????????????????fos?          
				=
				??
				new
				?FileOutputStream(fileb);
          ????????????????
          ????????????????          
				byte
				[]?bb?
				=
				new
				?
				byte
				[?(
				int
				)file.length()];
          ????????????????fis.read(bb);
          ????????????????fos.write(bb);

          ????????????}          
				catch
				?(IOException?e){
          ????????????????e.printStackTrace();
          ????????????}          
				finally
				{
          ????????????????          
				try
				?{
          ????????????????????fis.close();
          ????????????????????fos.close();
          ????????????????}?          
				catch
				?(IOException?e)?{
          ????????????????????e.printStackTrace();
          ????????????????}
          ????????????}
          ????????}          
				else
				?
				if
				(file.isDirectory()){
          ????????????          
				if
				(
				!
				fileb.exists()){
          ????????????????fileb.mkdir();
          ????????????}
          ????????????String[]?fileList;
          ????????????fileList?          
				=
				?file.list();
          ????????????          
				for
				(
				int
				?i?
				=
				?
				0
				;?i?
				<
				?fileList.length;?i
				++
				){
          ????????????????fileCopy(a?          
				+
				?
				"
				\\
				"
				?
				+
				?fileList[i],b?
				+
				?
				"
				\\
				"
				?
				+
				?fileList[i]);
          ????????????}
          ????????}

          ????}
          ????
          }
          
		
          
	
          
	


          
	    
    

          

          評論
          
	
			
          
				
          
					
          
						# re: java中IO流拷貝文件或者文件夾（目錄）源代碼  回復  更多評論
						  
					
          
					2006-12-10 22:41 by rew
				
          
				
          謝謝了啊
          
			
          
		
			
          
				
          
					
          
						# re: java中IO流拷貝文件或者文件夾（目錄）源代碼  回復  更多評論
						  
					
          
					2009-05-08 11:17 by guest
				
          
				
          謝謝樓主 問題已解決
          
			
          
		
			
          
				
          
					
          
						# Servisy Web 20  回復  更多評論
						  
					
          
					2009-05-18 09:11 by Servisy Web 20
				
          
				
          Good morning. What some people mistake for the high cost of living is really the cost of high living.

          I am from Africa and , too, and now am writing in English, give please true I wrote the following sentence: "Here is why we have developped the now famous phpbb seo url mods currently la premod rencement phpbb seo officielle, qui inclus toutes les.Seo company, seo company india or seo experts are specializing in search engine optimization seo services, website designing services, website design."

          

          THX :-D, Kincaid.
          
			
          
		
			
          
				
          
					
          
						# re: java中IO流拷貝文件或者文件夾（目錄）源代碼  回復  更多評論
						  
					
          
					2014-05-02 15:21 by 邱忠林
				
          
				
          求職
          
			
          
		




          





          


          

	
          
		
          
				
		
	
		
          
		
		
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