using System;class Program{   public enum Color   {      Red = 0xff0000,      Orange = 0xFFA500,      Yellow = 0xFFFF00,      Lime = 0x00FF00,      Cyan = 0x00FFFF,      Blue = 0x0000FF,      Purple = 0x800080   }   static void Main(string[] args)   {      Color color = Color.Blue;      string colorString = "Blue";      int colorValue = 0x0000FF;      //枚举转字符串      string enumStringOne = color.ToString();      string enumStringTwo = Enum.GetName(typeof(Color), color);      //枚举转值      int enumValueOne = color.GetHashCode();      int enumValueTwo = (int)color;      int enumValueThree = Convert.ToInt32(color);      //字符串转枚举      Color enumOne = (Color)Enum.Parse(typeof(Color), colorString);      //字符串转值      int enumValueFour = (int)Enum.Parse(typeof(Color), colorString);      //值转枚举      Color enumTwo = (Color)colorValue;      Color enumThree = (Color)Enum.ToObject(typeof(Color), colorValue);      //值转字符串      string enumStringThree = Enum.GetName(typeof(Color), colorValue);   }} //假设有枚举值如下：public enum DbProviderType{   SqlServer,   Oracle}//1、将枚举转换为字符串：string strDbType = DbProviderType.SqlServer.ToString();//2、将字符串转换为枚举：DbProviderType dbType = (DbProviderType)Enum.Parse(typeof(DbProviderType), strDbType, true);