asp.net 产生随机颜色实现代码

复制代码 代码如下:

  public string GetRandomColor()

  {

  Random RandomNum_First = new Random((int)DateTime.Now.Ticks);

  // 对于C#的随机数,没什么好说的

  System.Threading.Thread.Sleep(RandomNum_First.Next(50));

  Random RandomNum_Sencond = new Random((int)DateTime.Now.Ticks);

  // 为了在白色背景上显示,尽量生成深色

  int int_Red = RandomNum_First.Next(256);

  int int_Green = RandomNum_Sencond.Next(256);

  int int_Blue = (int_Red + int_Green > 400) ? 0 : 400 - int_Red - int_Green;

  int_Blue = (int_Blue > 255) ? 255 : int_Blue;

  return Color.FromArgb(int_Red, int_Green, int_Blue).Name;

  }