To get a file from a URL to save to a local code

Often used, first put here, use the time to come and take! < % @pageImport= "Java.net.*,java.io.*"%>
<%!
public boolean Saveurlas (String Photourl, String fileName) {//This method can only be user HTTP protocol
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) {//This method is compatible with HTTP and FTP protocols
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 ();
}
%>
<%
Test
String Photourl = " http://www.alixixi.com/UploadPic/2007-7/200777112920214.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);
%>