//随机获取颜色
public System.Drawing.Color GetRandomColor() { Random RandomNum_First = new Random(Guid.NewGuid().GetHashCode()); Random RandomNum_Sencond = new Random(Guid.NewGuid().GetHashCode()); //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 System.Drawing.Color.FromArgb(int_Red, int_Green, int_Blue); }
//随机字母
public static string GetPageName() { string strRand = String.Empty; System.Random random = new Random(Guid.NewGuid().GetHashCode()); string str = "qwertyuiopasdfghjklmnbvcxz"; for (int i = 0; i < 6; i++) { strRand += str[random.Next(0, 25)].ToString(); } return strRand; }
时间: 2024-10-31 14:21:15