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				<%
				@page?
				import
				=
				"
				java.net.*,java.io.*
				"
				%>
				
						
    
						
				    
				<%!
				
						
    
						
						??    
				public
				?
				boolean
				?saveUrlAs(String?photoUrl,?String?fileName)?
				
				
						{
    
						//
						此方法只能用戶(hù)HTTP協(xié)議
						
								
    
								
								
						    
						????
						try
						?
						
						
								{
    ??????URL?url?    
								=
								?
								new
								?URL(photoUrl);
    ??????HttpURLConnection?connection?    
								=
								?(HttpURLConnection)?url.openConnection();
    ??????DataInputStream?in?    
								=
								?
								new
								?DataInputStream(connection.getInputStream());
    ??????DataOutputStream?out?    
								=
								?
								new
								?DataOutputStream(
								new
								?FileOutputStream(fileName));
    ??????    
								byte
								[]?buffer?
								=
								?
								new
								?
								byte
								[
								4096
								];
    ??????    
								int
								?count?
								=
								?
								0
								;
    ??????    
								while
								?((count?
								=
								?in.read(buffer))?
								>
								?
								0
								)?
								
								
										{
    ????????out.write(buffer,?    
										0
										,?count);
    ??????}    
								    
								
										
    
										??????out.close();
    ??????in.close();
    ??????    
								return
								?
								true
								;
    ????}    
						    
						
								
    
								
								????    
						catch
						?(Exception?e)?
						
						
								{
    ??????    
								return
								?
								false
								;
    ????}    
						    
						
								
    
								??}    
				    
				
						
    
						?
    
				public
				?String?getDocumentAt(String?urlString)?
				
				
						{
    
						//
						此方法兼容HTTP和FTP協(xié)議
						
								
    
								
						    
						????StringBuffer?document?
						=
						?
						new
						?StringBuffer();
    ????    
						try
						?
						
						
								{
    ??????URL?url?    
								=
								?
								new
								?URL(urlString);
    ??????URLConnection?conn?    
								=
								?url.openConnection();
    ??????BufferedReader?reader?    
								=
								?
								new
								?BufferedReader(
								new
								?InputStreamReader(conn.
    ??????????getInputStream()));
    ??????String?line?    
								=
								?
								null
								;
    ??????    
								while
								?(?(line?
								=
								?reader.readLine())?
								!=
								?
								null
								)?
								
								
										{
    ????????document.append(line?    
										+
										?
										"
										\n
										"
										);
    ??????}    
								    
								
										
    
										??????reader.close();
    ????}    
						    
						
								
    
								
								????    
						catch
						?(MalformedURLException?e)?
						
						
								{
    ??????System.out.println(    
								"
								Unable?to?connect?to?URL:?
								"
								?
								+
								?urlString);
    ????}    
						    
						
								
    
								
								????    
						catch
						?(IOException?e)?
						
						
								{
    ??????System.out.println(    
								"
								IOException?when?connecting?to?URL:?
								"
								?
								+
								?urlString);
    ????}    
						    
						
								
    
								????    
						return
						?document.toString();
    ??}    
				    
				
						
    
						
				    
				%>
				
						
    
						
				    
				<%
				
						
    
						
				    
				//
				測(cè)試
				
						
    
						
				    
				??String?photoUrl?
				=
				?
				"
				http://ad4.sina.com.cn/200601/12/43932_750450.jpg
				"
				;
    ??String?fileName?    
				=
				?photoUrl.substring(photoUrl.lastIndexOf(
				"
				/
				"
				));
    ??String?filePath?    
				=
				?
				"
				d:/ghost/
				"
				;
    ??    
				boolean
				?flag?
				=
				?saveUrlAs(photoUrl,?filePath?
				+
				?fileName);
    ??out.println(    
				"
				Run?ok!\n<BR>Get?URL?file?
				"
				?
				+
				?flag);
    
				%>
				
						
    
						
				    
		
    

	
    posted on 2006-04-04 17:09 Q系列類(lèi)、方法、變量…… 閱讀(325) 評(píng)論(0)  編輯  收藏  所屬分類(lèi): 網(wǎng)上工具代碼 
    

    







    
	    
    




    








    

				

    







    







    
        
	



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