- .NET Framework : 4.7.2
- IDE : Visual Studio Community 2019
- OS : Windows 10 x64
- typesetting : Markdown
code
using System;
namespace ConsoleApp
{
public enum Game
{
FOOTBALL,
BASKETBALL,
PINGPANG
}
class Program
{
static void Main(string[] args)
{
// 枚举类型转为Int
int n = (int)Game.FOOTBALL;
Console.WriteLine(n);
// int转为枚举类型
Game myFavourite = (Game)1;
Console.WriteLine(myFavourite);
// 枚举类型转换成string
string s = Game.BASKETBALL.ToString();
Console.WriteLine(s);
// string转换成枚举
// 1、数值
string test0 = "1";
Game result0 = (Game)Enum.Parse(typeof(Game), test0);
Console.WriteLine(result0);
// 2、字符
string test1 = "BASKETBALL";
Game result1 = (Game)Enum.Parse(typeof(Game), test1);
Console.WriteLine(result1);
// 特殊情况
// 1、没有匹配的数值----输出10
string test2 = "10";
Game result2 = (Game)Enum.Parse(typeof(Game), test2);
Console.WriteLine(result2);
// 2、没有匹配的字符串---抛异常
string test3 = "HELLO";
Game result3 = (Game)Enum.Parse(typeof(Game), test3);
Console.WriteLine(result3);
Console.ReadKey();
}
}
}
result
0
BASKETBALL
BASKETBALL
BASKETBALL
BASKETBALL
10
并且抛出异常
resource
- [文档] docs.microsoft.com/zh-cn/dotnet/csharp
- [规范] github.com/dotnet/docs/tree/master/docs/standard/design-guidelines
- [源码] referencesource.microsoft.com
- [ IDE ] visualstudio.microsoft.com/zh-hans
- [.NET Core] dotnet.github.io
感恩曾经帮助过 心少朴 的人。
C#优秀,值得学习。.NET Core具有跨平台的能力,值得关注。
Console,WinForm,WPF,ASP.NET,Azure WebJob,WCF,Unity3d,UWP可以适当地了解。
注:此文是自学笔记所生,质量中下等,故要三思而后行。新手到此,不可照搬,应先研究其理象数,待能变通之时,自然跳出深坑。
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