我基本上有一个枚举LINQ和枚举为IQueryable的
public enum WorkingDays
{
Monday, Tuesday, Wednesday, Thursday, Friday
}
,并愿意做对的输入,这恰好是一个字符串
//note lower case
string input = "monday";
我能想出的最好的事情比较了成这个样子了
WorkingDays day = (from d in Enum.GetValues(typeof(WorkingDays)).Cast<WorkingDays>()
where d.ToString().ToLowerInvariant() == input.ToLowerInvariant()
select d).FirstOrDefault();
有没有更好的办法做到这一点?
编辑:谢谢亚伦&杰森。但是如果解析失败呢?
if(Enum.IsDefined(typeof(WorkingDay),input))//cannot compare if case is different
{
WorkingDay day = (WorkingDay)Enum.Parse(typeof(WorkingDay), input, true);
Console.WriteLine(day);
}
见 http://msdn.microsoft.com/en-us/library/kxydatf9.aspx 对于可抛出的异常。 – dugas 2010-02-10 02:29:41