string[] 转 int[]
string[] input = { "1", "2", "3", "4", "5", "6", "7", "8", "9" }; int[] output = Array.ConvertAll(input, delegate(string s) { return int.Parse(s); });
int[] 转 string[]
int[] int_array = { 1, 2, 3 };
string[] str_array = Array.ConvertAll(int_array, new Converter<int, string>(IntToString));