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  • java检测端口号是否配占用

    java检测端口号是否被占用的工具类:

    package com.frank.util;
    
    import java.io.IOException;
    import java.net.InetAddress;
    import java.net.Socket;
    import java.net.UnknownHostException;
    
    public class NetUtil {
    	
    	/***
    	 *  true:already in using  false:not using 
    	 * @param port
    	 */
    	public static boolean isLoclePortUsing(int port){
    		boolean flag = true;
    		try {
    			flag = isPortUsing("127.0.0.1", port);
    		} catch (Exception e) {
    		}
    		return flag;
    	}
    	/***
    	 *  true:already in using  false:not using 
    	 * @param host
    	 * @param port
    	 * @throws UnknownHostException 
    	 */
    	public static boolean isPortUsing(String host,int port) throws UnknownHostException{
    		boolean flag = false;
    		InetAddress theAddress = InetAddress.getByName(host);
    		try {
    			Socket socket = new Socket(theAddress,port);
    			flag = true;
    		} catch (IOException e) {
    			
    		}
    		return flag;
    	}
    }
    
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  • 原文地址:https://www.cnblogs.com/pengyan5945/p/5218352.html
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