代码如下:/// <summary>/// 固定长度的随机字符串/// </summary>/// <param name=”length”>长度</param>/// <returns>随机串</returns>public static String getRandStringEx(int length){char[] charList = {‘0′,’1′,’2′,’3′,’4′,’5′,’6′,’7′,’8′,’9’,‘A’,’B’,’C’,’D’,’E’,’F’,’G’,’H’,’I’,’J’,’K’,’L’,’M’,‘N’,’O’,’P’,’Q’,’R’,’S’,’T’,’U’,’