获取网络文件

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;

public class Main {
    public static void main(String[] args) {
    try{
	URL url = new URL(message);
	HttpURLConnection conn = (HttpURLConnection) url.openConnection();
	DataInputStream input = new DataInputStream(conn.getInputStream());
	filefullpath = filepath+"network.wsdl";
	DataOutputStream output = new DataOutputStream(new FileOutputStream(filefullpath));
	byte[] buffer = new byte[conn.getContentLength()];
	int count = 0;
	while ((count = input.read(buffer)) > 0) {
	   output.write(buffer, 0, count);
        }
	output.close();
	input.close();
}catch(Exception e){
	 e.printStackTrace();
}
}
}