int[] arry1 = new int[] {1,2,3,4,5 };
int[] arry2 = new int[] { 1,2,3};
string arry3 = "";
foreach (var item in arry1)
{
if (!arry2.Contains(item))
{
arry3 += item+",";
}
}
arry3 = arry3.Trim(',');
string[] arry4 = arry3.Split(',');
int[] intArray = Array.ConvertAll<string, int>(arry4, s => int.Parse(s));//数组间相互装换
foreach (var item in intArray)
{
Console.WriteLine(item);
}
List<int> List1 = new List<int> {1,2,3,4,5 };
string BranchidString = string.Join(",", List1.ToArray());//集合转换成字符串
Console.WriteLine(BranchidString);
