| | |
| | | using System; |
| | | using System.Text; |
| | | using Shared.SimpleControl; |
| | | using Shared.SimpleControl.Phone; |
| | | |
| | |
| | | DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime (new DateTime (1970, 1, 1)); // 当地时区 |
| | | return startTime.AddMilliseconds (unixTimeStamp).ToString (format); |
| | | } |
| | | |
| | | /// <summary> |
| | | /// 生成随机字符串 |
| | | /// </summary> |
| | | /// <param name="length">字符串的长度</param> |
| | | /// <returns></returns> |
| | | public static string CreateRandomString (int length) |
| | | { |
| | | // 创建一个StringBuilder对象存储密码 |
| | | StringBuilder sb = new StringBuilder (); |
| | | //使用for循环把单个字符填充进StringBuilder对象里面变成14位密码字符串 |
| | | for (int i = 0; i < length; i++) { |
| | | Random random = new Random (Guid.NewGuid ().GetHashCode ()); |
| | | //随机选择里面其中的一种字符生成 |
| | | switch (random.Next (3)) { |
| | | case 0: |
| | | //调用生成生成随机数字的方法 |
| | | sb.Append (createNum ()); |
| | | break; |
| | | case 1: |
| | | //调用生成生成随机小写字母的方法 |
| | | sb.Append (createSmallAbc ()); |
| | | break; |
| | | case 2: |
| | | //调用生成生成随机大写字母的方法 |
| | | sb.Append (createBigAbc ()); |
| | | break; |
| | | } |
| | | } |
| | | return sb.ToString (); |
| | | } |
| | | |
| | | /// <summary> |
| | | /// 生成单个随机数字 |
| | | /// </summary> |
| | | static int createNum () |
| | | { |
| | | Random random = new Random (Guid.NewGuid ().GetHashCode ()); |
| | | int num = random.Next (10); |
| | | return num; |
| | | } |
| | | |
| | | /// <summary> |
| | | /// 生成单个大写随机字母 |
| | | /// </summary> |
| | | static string createBigAbc () |
| | | { |
| | | //A-Z的 ASCII值为65-90 |
| | | Random random = new Random (Guid.NewGuid ().GetHashCode ()); |
| | | int num = random.Next (65, 91); |
| | | string abc = Convert.ToChar (num).ToString (); |
| | | return abc; |
| | | } |
| | | |
| | | /// <summary> |
| | | /// 生成单个小写随机字母 |
| | | /// </summary> |
| | | static string createSmallAbc () |
| | | { |
| | | //a-z的 ASCII值为97-122 |
| | | Random random = new Random (Guid.NewGuid ().GetHashCode ()); |
| | | int num = random.Next (97, 123); |
| | | string abc = Convert.ToChar (num).ToString (); |
| | | return abc; |
| | | } |
| | | |
| | | |
| | | public static string MD5Encrypt (string mPassword) |
| | | { |
| | | var md5 = new System.Security.Cryptography.MD5CryptoServiceProvider (); |
| | | return BitConverter.ToString (md5.ComputeHash (Encoding.UTF8.GetBytes (mPassword))).Replace ("-", ""); |
| | | } |
| | | |
| | | ///// 字符串截取并拼接 |
| | | ///// </summary> |
| | | ///// <param name="str"></param> |
| | | ///// <returns></returns> |
| | | //public static string DelMacString (string str) |
| | | //{ |
| | | // string restr = ""; |
| | | // if (!string.IsNullOrEmpty (str)) { |
| | | // ArrayList array = GetSeparateSubString (str, 2); |
| | | |
| | | // foreach (string arr in array) { |
| | | |
| | | // restr += arr + "."; |
| | | |
| | | // } |
| | | // } |
| | | |
| | | // return restr.TrimEnd ('.'); |
| | | //} |
| | | |
| | | //static ArrayList GetSeparateSubString (string txtString, int charNumber) //charNumber为要截取的每段的长度 |
| | | //{ |
| | | // ArrayList arrlist = new ArrayList (); |
| | | // string tempStr = txtString; |
| | | // for (int i = 0; i < tempStr.Length; i += charNumber)//首先判断字符串的长度,循环截取,进去循环后首先判断字符串是否大于每段的长度 |
| | | // { |
| | | // if ((tempStr.Length - i) > charNumber)//如果是,就截取 |
| | | // { |
| | | // arrlist.Add (tempStr.Substring (i, charNumber)); |
| | | // } else { |
| | | // arrlist.Add (tempStr.Substring (i));//如果不是,就截取最后剩下的那部分 |
| | | // } |
| | | // } |
| | | // return arrlist; |
| | | //} |
| | | } |
| | | } |