zoukankan      html  css  js  c++  java
  • C# pingIP是否能通信

            /// <summary>
            /// 检测IP
            /// </summary>
            /// <param name="strIP"></param>
            /// <returns></returns>
            public static bool PingIP(string strIP)
            {
                if (!IsValidIP(strIP))
                {
                    return false;
                }
                System.Net.NetworkInformation.Ping psender = new System.Net.NetworkInformation.Ping();
                System.Net.NetworkInformation.PingReply prep = psender.Send(strIP, 500, Encoding.Default.GetBytes("afdafdadfsdacareqretrqtqeqrq8899tu"));
                if (prep.Status == System.Net.NetworkInformation.IPStatus.Success)
                {
                    return true;
                }
                return false;
            }
     
            /// <summary>
            /// 验证IP
            /// </summary>
            /// <param name="ip"></param>
            /// <returns></returns>
            public static bool IsValidIP(string ip)
            {
                if (System.Text.RegularExpressions.Regex.IsMatch(ip, "[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}"))
                {
                    string[] ips = ip.Split('.');
                    if (ips.Length == 4 || ips.Length == 6)
                    {
                        if (System.Int32.Parse(ips[0]) < 256 && System.Int32.Parse(ips[1]) < 256 & System.Int32.Parse(ips[2]) < 256 & System.Int32.Parse(ips[3]) < 256)
                            return true;
                        else
                            return false;
                    }
                    else
                    {
                        return false;
                    }
                }
                else
                    return false;
            }
  • 相关阅读:
    Node.js中流程控制
    设计模式六大原则(转)
    Python中装饰器(转)
    cocos2d-js反射
    With as
    Python中sort与sorted函数
    cocos+kbe问题记录
    Python字符串
    vue判断Object对象是否包含每个键
    vue跳转其他页面并传参
  • 原文地址:https://www.cnblogs.com/wuzehao/p/9987753.html
Copyright © 2011-2022 走看看