C#不定参数函数

/// <summary>
/// 得到字符的拼接
/// </summary>
/// <param name="list"></param>
/// <returns></returns>
public static string getString(params object[] list)
{

StringBuilder sb = new StringBuilder();

for (int i = 0; i < list.Length; i++)
{
sb.Append(list[i]);
}

return sb.ToString();
}