[Java] java 如何读取远程主机文件

package com.cloudtech.web.util; 
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader; 
import com.cloudtech.web.entity.Role; 
public class RoleUtil {
 
  public static void readFile(String sourceFilePath, String encode) throws IOException {
    File file = new File(sourceFilePath);
    BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(file), encode));
    StringBuilder strBuilder = new StringBuilder();
    String sLine = null;
    while ((sLine = br.readLine()) != null) {
      strBuilder.append(sLine);
      strBuilder.append("\r\n");
    }
 
    br.close();
 
    System.out.println(strBuilder.substring(0));
  }
  
  public static void main(String[] args) {
     try {
      readFile("\\\\XXXX\\station_process\\V1010000.G1125","utf-8");
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
}

String path="https://ssl.mail.163.com/httpsEnable.gif";
String file_name= contents.substring(contents.lastIndexOf("/")+1, contents.length());//获取文件名和后缀名
URL url=new URL(path);