C# join和split
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string[] parts = { "A", "B", "C", "D", "E" };string result = string.Join(",", parts);
Console.WriteLine(result);
for (int i = 0; i < result.Split(‘,‘).Length; ++i)
{
Console.WriteLine(result.Split(‘,‘)[i]);
}
以后拼接json终于不用写if了
放一个看到的找IP4的函数，在存在多个IP4的时候有问题
public string GetIP_4()
{
string restr = "";
IPAddress[] ipList = Dns.GetHostAddresses(Dns.GetHostName());
foreach (IPAddress ip in ipList)
{
//获得IPv4
if (ip.AddressFamily == AddressFamily.InterNetwork)
{
restr = ip.ToString();
//if (restr.Length >= 9)
// break;
}
}
return restr;
}
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