网络工具类之ping方法

using System.Collections.Generic;
using System.Net.NetworkInformation;
using System.Text;

namespace Common
{
    public class NetTools
    {
        public static string PingIPAddresses(List<string> ipAddresses)//无返回值void改成string返回ping的结果描述
        {
            StringBuilder sb = new StringBuilder();
            string res = string.Empty;
            foreach (var ipAddress in ipAddresses)
            {
                try
                {
                    Ping pingSender = new Ping();
                    PingReply reply = pingSender.Send(ipAddress);

                    if (reply.Status == IPStatus.Success)
                    {
                        //Console.WriteLine($"Address: {ipAddress} is reachable. Round trip time: {reply.RoundtripTime}ms");
                        res= $"Address: {ipAddress} is 可达. 去+回耗时: {reply.RoundtripTime}ms";
                    } 
                    else
                    {
                        //Console.WriteLine($"Address: {ipAddress} is not reachable. Status: {reply.Status}");
                        res= $"Address: {ipAddress} is 不可达. 问题描述: {reply.Status}";
                    }
                }
                catch (PingException)
                {
                    //Console.WriteLine($"Ping operation could not be performed on address: {ipAddress}");
                    res= $"此IP不能执行ping操作: {ipAddress}";
                }
                sb.Append(res+"\r\n");
            }
            return sb.ToString();
        }
    }
}