C# 从控制台读取数字
try
{
int number = Convert.ToInt32 (Console.ReadLine());
Console.WriteLine ("Number: " + number);
}
catch (FormatException e)
{
Console.WriteLine (e.Message);
}
或者
try
{
int number = Int32.Parse (Console.ReadLine());
Console.WriteLine ("Number: " + number);
}
catch (ArgumentNullException e)
{
Console.WriteLine (e.Message);
}
