我需要生成一个包含空格和mixedCase的随机字符串.
到目前为止我已经完成了This：
/// <summary>
/// The Typing monkey generates random strings - can't be static 'cause it's a monkey.
/// </summary>
/// <remarks>
/// If you wait long enough it will eventually produce Shakespeare.
/// </remarks>
class TypingMonkey
{
/// <summary>
/// The Typing Monkey Generates a random string with the given length.
/// </summary>
/// <param name="size">Size of the string</param>
/// <returns>Random string</returns>
public string TypeAway(int size)
{
StringBuilder builder = new StringBuilder();
Random random = new Random();
char ch;
for (int i = 0; i < size; i++)
{
ch = Convert.tochar(Convert.ToInt32(Math.Floor(26 * random.NextDouble() + 65)));
builder.Append(ch);
}
return builder.ToString();
}
}
我只得到没有空格的大写字符串 – 我相信调整应该非常严格,以便在汤中混合大小写和空格.
任何帮助非常感谢！
解决方法
最简单的方法是简单地创建一个包含以下值的字符串：
private readonly string legalCharacters = " abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
然后使用RNG访问此字符串中的随机元素：
public string TypeAway(int size)
{
StringBuilder builder = new StringBuilder();
Random random = new Random();
char ch;
for (int i = 0; i < size; i++)
{
ch = legalCharacters[random.Next(0,legalCharacters.Length)];
builder.Append(ch);
}
return builder.ToString();
}
