C# 生成UUID

var uuid = Guid.NewGuid().ToString();
// 9af7f46a-ea52-4aa3-b8c3-9fd484c2af12

var uuidN = Guid.NewGuid().ToString("N");
// e0a953c3ee6040eaa9fae2b667060e09   

var uuidD = Guid.NewGuid().ToString("D");
// 9af7f46a-ea52-4aa3-b8c3-9fd484c2af12  

var uuidB = Guid.NewGuid().ToString("B");
// {734fd453-a4f8-4c5d-9c98-3fe2d7079760}  

var uuidP = Guid.NewGuid().ToString("P");
//  (ade24d16-db0f-40af-8794-1e08e2040df3)  

var uuidX = Guid.NewGuid().ToString("X");
// {0x3fa412e3,0x8356,0x428f,{0xaa,0x34,0xb7,0x40,0xda,0xaf,0x45,0x6f}}