//字符串分割，參數(shù)是一個字符或者字符數(shù)組， 

Console.WriteLine("用-分割后的字符串為："); 

string[] changemystr = mystr.Split('-'); 

foreach (string outstr in changemystr) 

 Console.WriteLine(outstr+'\t'); 

Console.WriteLine("用-或者=分割后的字符串為："); 

string[] changestr = mystr.Split(new char[] { '-', '=' }); 

foreach (string outstr in changestr) 

Console.WriteLine(outstr+'\t');