C# Guid Guid.NewGuid();
var guid = Guid.NewGuid();
var str0 = guid.ToString(); //"80d882a1-6f94-4389-b5a3-b575d21e6140"
var strD = guid.ToString("D"); //"80d882a1-6f94-4389-b5a3-b575d21e6140"
var strN = guid.ToString("N"); //"80d882a16f944389b5a3b575d21e6140"
var strB = guid.ToString("B"); //"{80d882a1-6f94-4389-b5a3-b575d21e6140}"
var strP = guid.ToString("P"); //"(80d882a1-6f94-4389-b5a3-b575d21e6140)"
我只是一棵樹