1 #region 获取随机字符串 2 /// <summary> 3 /// 获取随机字符串 4 /// </summary> 5 /// <returns></returns> 6 public static string GetRandomString() 7 { 8 //处理多文件上传重名导致上传失败的问题 9 Random random = new Random(Guid.NewGuid().GetHashCode()); 10 11 string getString = DateTime.Now.ToString("yyyyMMddHHmmss_ffff_" + random.Next(1000, 9999)); 12 13 return getString; 14 } 15 #endregion