enum和int、string的转换操作

enum Countries
{
    中国 = 5,
    美国,
    俄罗斯,
    英国,
    法国
}

• enum 和 int
  • enum -> int
    int num = (int)Countries.中国; //num=5
    int[] nums = (int[])Enum.GetValues(typeof(Countries));
    //nums={5,6,7,8,9}
  • int -> enum
    Countries country = (Countries)8;
    //country=Countries.英国
  • //http://hovertree.com/menu/csharp/
• enum 和 string
  • enum -> string
    string str1 = Countries.俄罗斯.ToString(); //str1="俄罗斯";
    string str2 = Enum.GetName(typeof(Countries), 7);
    //str2="俄罗斯";
    string[] strArray = Enum.GetNames(typeof(Countries));
    //strArray={"中国","美国","俄罗斯","英国","法国"};
  • string-> enum
    Countries myCountry = (Countries)Enum.Parse(typeof(Countries), "中国");
    //myCountry=Countries.中国

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