/// <summary>
/// 输出IP地址
/// </summary>
/// <param name="urlStr"></param>
/// <returns></returns>
private async Task PrintIpArray()
{
var ips = await NetHelper.GetHostAddresses(GetUrl());
string str = string.Empty;
foreach (var item in ips)
{
str += string.Format("\n{0}", item);
}
MessageBox.Show(str, "IP地址");
}