一个生成GUID的函数:
private string getGUID() { System.Guid guid = new Guid(); guid = Guid.NewGuid(); string str = guid.ToString(); return str; }随机生成如下字符串:e92b8e30-a6e5-41f6-a6b9-188230a23dd2格式说明:System.Guid.NewGuid().ToString(format) 格式说明符 返回值的格式 N 32位:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx如:e92b8e30a6e541f6a6b9188230a23dd2 D 由连字符分隔的32位数字: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx如:e92b8e30-a6e5-41f6-a6b9-188230a23dd2 B 括在大括号中、由连字符分隔的32位数字: {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}如:{e92b8e30-a6e5-41f6-a6b9-188230a23dd2} P 括在圆括号中、由连字符分隔的32位数字: (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx)如:(e92b8e30-a6e5-41f6-a6b9-188230a23dd2)