using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Net;
using System.Reflection;
using System.Security.Cryptography;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;

namespace Mini.Common
{
    public static class Utility
    {
        /// <summary>
        /// 获取配置文件中的设置
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public static string GetSettingByKey(string key)
        {
            return ConfigHelper.GetSectionValue(key);
        }
 

        /// <summary>
        /// DataTable 转list
        /// </summary>
        /// <typeparam name="TResult"></typeparam>
        /// <param name="dt"></param>
        /// <returns></returns>
        public static List<TResult> ToList<TResult>(this DataTable dt) where TResult : class, new()
        {

            //创建一个属性的列表  
            List<PropertyInfo> prlist = new List<PropertyInfo>();
            //获取TResult的类型实例  反射的入口  
            Type t = typeof(TResult);
            //获得TResult 的所有的Public 属性 并找出TResult属性和DataTable的列名称相同的属性(PropertyInfo) 并加入到属性列表  
            Array.ForEach<PropertyInfo>(t.GetProperties(), p => { if (dt.Columns.IndexOf(p.Name) != -1) prlist.Add(p); });
            //创建返回的集合  
            List<TResult> oblist = new List<TResult>();
            foreach (DataRow row in dt.Rows)
            {
                //创建TResult的实例  
                TResult ob = new TResult();
                //找到对应的数据,并赋值  
                prlist.ForEach(p => { if (row[p.Name] != DBNull.Value) p.SetValue(ob, row[p.Name], null); });
                //放入到返回的集合中.  
                oblist.Add(ob);
            }
            return oblist;
        }

        /// <summary>
        /// List 转为DataTable
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="entitys"></param>
        /// <returns></returns>
        public static DataTable ToDataTable<T>(List<T> entitys)
        {

            //检查实体集合不能为空   
            if (entitys == null || entitys.Count < 1)
            {
                throw new Exception("需转换的集合为空");
            }

            //取出第一个实体的所有Propertie   
            Type entityType = entitys[0].GetType();
            PropertyInfo[] entityProperties = entityType.GetProperties();

            //生成DataTable的structure   
            //生产代码中，应将生成的DataTable结构Cache起来，此处略   
            DataTable dt = new DataTable();
            for (int i = 0; i < entityProperties.Length; i++)
            {
                //dt.Columns.Add(entityProperties[i].Name, entityProperties[i].PropertyType);  
                dt.Columns.Add(entityProperties[i].Name);
            }

            //将所有entity添加到DataTable中   
            foreach (object entity in entitys)
            {
                //检查所有的的实体都为同一类型   
                if (entity.GetType() != entityType)
                {
                    throw new Exception("要转换的集合元素类型不一致");
                }
                object[] entityValues = new object[entityProperties.Length];
                for (int i = 0; i < entityProperties.Length; i++)
                {
                    entityValues[i] = entityProperties[i].GetValue(entity, null);

                }
                dt.Rows.Add(entityValues);
            }
            return dt;
        }

        /// <summary>
        /// List 转为DataTable需要指定类型
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="entitys"></param>
        /// <returns></returns>
        public static DataTable ToOracleDataTable<T>(List<T> entitys)
        {

            //检查实体集合不能为空   
            if (entitys == null || entitys.Count < 1)
            {
                throw new Exception("需转换的集合为空");
            }

            //取出第一个实体的所有Propertie   
            Type entityType = entitys[0].GetType();
            PropertyInfo[] entityProperties = entityType.GetProperties();

            //生成DataTable的structure   
            //生产代码中，应将生成的DataTable结构Cache起来，此处略   
            DataTable dt = new DataTable();
            for (int i = 0; i < entityProperties.Length; i++)
            {
                Type colType = entityProperties[i].PropertyType;
                if ((colType.IsGenericType) && (colType.GetGenericTypeDefinition() == typeof(Nullable<>)))
                {

                    colType = colType.GetGenericArguments()[0];

                }
                dt.Columns.Add(entityProperties[i].Name, colType);
                // dt.Columns.Add(entityProperties[i].Name);
            }

            //将所有entity添加到DataTable中   
            foreach (object entity in entitys)
            {
                //检查所有的的实体都为同一类型   
                if (entity.GetType() != entityType)
                {
                    throw new Exception("要转换的集合元素类型不一致");
                }
                object[] entityValues = new object[entityProperties.Length];
                for (int i = 0; i < entityProperties.Length; i++)
                {
                    entityValues[i] = entityProperties[i].GetValue(entity, null);

                }
                dt.Rows.Add(entityValues);
            }
            return dt;
        }
        /// <summary>
        /// List 转为DataTable需要指定类型
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="entitys"></param>
        /// <returns></returns>
        public static DataTable ToOracleDataTableToUpper<T>(List<T> entitys)
        {
            //检查实体集合不能为空   
            if (entitys == null || entitys.Count < 1)
            {
                throw new Exception("需转换的集合为空");
            }

            //取出第一个实体的所有Propertie   
            Type entityType = entitys[0].GetType();
            PropertyInfo[] entityProperties = entityType.GetProperties();

            //生成DataTable的structure   
            //生产代码中，应将生成的DataTable结构Cache起来，此处略   
            DataTable dt = new DataTable();
            for (int i = 0; i < entityProperties.Length; i++)
            {
                Type colType = entityProperties[i].PropertyType;
                if ((colType.IsGenericType) && (colType.GetGenericTypeDefinition() == typeof(Nullable<>)))
                {

                    colType = colType.GetGenericArguments()[0];

                }
                dt.Columns.Add(entityProperties[i].Name.ToUpper(), colType);
                // dt.Columns.Add(entityProperties[i].Name);
            }

            //将所有entity添加到DataTable中   
            foreach (object entity in entitys)
            {
                //检查所有的的实体都为同一类型   
                if (entity.GetType() != entityType)
                {
                    throw new Exception("要转换的集合元素类型不一致");
                }
                object[] entityValues = new object[entityProperties.Length];
                for (int i = 0; i < entityProperties.Length; i++)
                {
                    entityValues[i] = entityProperties[i].GetValue(entity, null);

                }
                dt.Rows.Add(entityValues);
            }
            return dt;
        }
        /// <summary>
        /// 把DataTable转成 List集合, 存每一行,集合中放的是键值对字典,存每一列 
        /// </summary>
        /// <param name="dt">数据表</param>
        /// <returns></returns>
        public static List<Dictionary<string, object>> DataTableToList(DataTable dt)
        {
            List<Dictionary<string, object>> list = new List<Dictionary<string, object>>();

            foreach (DataRow dr in dt.Rows)
            {
                Dictionary<string, object> dic = new Dictionary<string, object>();
                foreach (DataColumn dc in dt.Columns)
                {
                    dic.Add(dc.ColumnName, dr[dc.ColumnName].ToString());
                }
                list.Add(dic);
            }
            return list;
        }




        #region 加密 解密






        // DES加密偏移量，必须是>=8位长的字符串
        private static string iv = "1234567890";

        // DES加密的私钥，必须是8位长的字符串DES
        private static string key = "12345678";

        /// <summary>
        /// 对字符串加密后进行编码
        /// </summary>
        /// <param name="sourceString"></param>
        /// <returns></returns>
        public static string EncryptUrlEncode(string sourceString)
        {
            sourceString = Encrypt(sourceString);

            return HttpUtility.UrlEncode(sourceString, Encoding.UTF8);
        }
        /// <summary>
        /// 对字符串解码后解密
        /// </summary>
        /// <param name="sourceString"></param>
        /// <returns></returns>
        public static string DecryptUrlDecode(string sourceString)
        {
            if (sourceString.IndexOf("%") > -1)
                sourceString = HttpUtility.UrlDecode(sourceString, Encoding.UTF8);

            return Decrypt(sourceString);
        }

        /// <summary>
        /// 对字符串进行DES加密
        /// </summary>
        /// <param name="sourceString">待加密的字符串</param>
        /// <returns>加密后的BASE64编码的字符串</returns>
        public static string Encrypt(string sourceString)
        {
            if (string.IsNullOrEmpty(sourceString))
            {
                return string.Empty;
            }
            else
            {
                byte[] btKey = Encoding.Default.GetBytes(key);
                byte[] btIV = Encoding.Default.GetBytes(iv);
                DESCryptoServiceProvider des = new DESCryptoServiceProvider();
                using (MemoryStream ms = new MemoryStream())
                {
                    byte[] inData = Encoding.Default.GetBytes(sourceString);
                    try
                    {
                        using (CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(btKey, btIV), CryptoStreamMode.Write))
                        {
                            cs.Write(inData, 0, inData.Length);
                            cs.FlushFinalBlock();
                        }

                        return Convert.ToBase64String(ms.ToArray());
                    }
                    catch (Exception ex)
                    {
                        throw ex;
                    }
                }
            }
        }

        /// <summary>
        /// 对DES加密后的字符串进行解密
        /// </summary>
        /// <param name="encryptedString">待解密的字符串</param>
        /// <returns>解密后的字符串</returns>
        public static string Decrypt(string encryptedString)
        {
            if (string.IsNullOrEmpty(encryptedString))
            {
                return string.Empty;
            }
            else
            {
                byte[] btKey = Encoding.Default.GetBytes(key);
                byte[] btIV = Encoding.Default.GetBytes(iv);
                DESCryptoServiceProvider des = new DESCryptoServiceProvider();

                using (MemoryStream ms = new MemoryStream())
                {
                    byte[] inData = Convert.FromBase64String(encryptedString);
                    try
                    {
                        using (CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(btKey, btIV), CryptoStreamMode.Write))
                        {
                            cs.Write(inData, 0, inData.Length);
                            cs.FlushFinalBlock();
                        }

                        return Encoding.Default.GetString(ms.ToArray());
                    }
                    catch (Exception ex)
                    {
                        throw ex;
                    }
                }
            }
        }
        public static string Left(string sSource, int iLength)
        {
            return sSource.Substring(0, iLength > sSource.Length ? sSource.Length : iLength);
        }

        public static string Right(string sSource, int iLength)
        {
            return sSource.Substring(iLength > sSource.Length ? 0 : sSource.Length - iLength);
        }
        /// <summary>
        /// md5加密
        /// </summary>
        /// <param name="message"></param>
        /// <returns></returns>
        public static string EncryptMD5(string input)
        {
            string output = null;
            if (string.IsNullOrEmpty(input))
            {
                output = input;
            }
            else
            {
                MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
                byte[] bytes = Encoding.UTF8.GetBytes(input);
                string result = BitConverter.ToString(md5.ComputeHash(bytes));
                return result.Replace("-", "");
            }
            return output;
        }



        /// <summary>  
        /// 进行DES解密。  
        /// </summary>  
        /// <param name="pToDecrypt">要解密的串</param>  
        /// <param name="sKey">密钥，且必须为8位。</param>  
        /// <returns>已解密的字符串。</returns>  
        public static string DecryptDES(string source, string sKey)
        {
            byte[] inputByteArray = System.Convert.FromBase64String(source);//Encoding.UTF8.GetBytes(source);
            using (DESCryptoServiceProvider des = new DESCryptoServiceProvider())
            {
                des.Mode = CipherMode.ECB;
                des.Key = ASCIIEncoding.ASCII.GetBytes(sKey.Substring(0, 8));
                des.IV = ASCIIEncoding.ASCII.GetBytes(sKey.Substring(0, 8));
                System.IO.MemoryStream ms = new System.IO.MemoryStream();
                using (CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write))
                {
                    cs.Write(inputByteArray, 0, inputByteArray.Length);
                    cs.FlushFinalBlock();
                    cs.Close();
                }
                string str = Encoding.UTF8.GetString(ms.ToArray());
                ms.Close();
                return str;
            }
        }

        #endregion

        /// <summary>
        ///时间格式化
        /// </summary>
        /// <param name="dt">返回字符串的类型(默认4)
        ///例子： 2014/05/08 19:14:17
        ///type=1 2014/05/08 没有时分秒
        ///type=2 2014/05/08 19:14 没有秒
        ///type=3 14/05/08 19:14 没有年前两位和秒
        ///type=4 05/08 19:14   没有年和秒
        /// </param>
        /// <returns></returns>
        public static string ToUnityString(this DateTime dt, int type = 4)
        {
            if (dt == DateTime.MinValue)
                return "";
            string formartStr = string.Empty;
            switch (type)
            {
                case 1: formartStr = "yyyy/MM/dd"; break;
                case 2: formartStr = "yyyy/MM/dd HH:mm"; break;
                case 3: formartStr = "yy/MM/dd HH:mm"; break;
                case 4: formartStr = "MM/dd HH:mm"; break;
                case 5: formartStr = "yyyyMM"; break;
                case 6: formartStr = "yyyy-MM-dd"; break;
                case 7: formartStr = "yyyy-MM-dd HH:mm:ss"; break;
            }
            return dt.ToString(formartStr);

        }
        /// <summary>
        ///时间格式化
        /// </summary>
        /// <param name="dt">返回字符串的类型(默认4)
        ///例子： 2014/05/08 19:14:17
        ///type=1 2014/05/08 没有时分秒
        ///type=2 2014/05/08 19:14 没有秒
        ///type=3 14/05/08 19:14 没有年前两位和秒
        ///type=4 05/08 19:14   没有年和秒
        /// </param>
        /// <returns></returns>
        public static string ToUnityString(this DateTime? dt, int type = 4)
        {
            if (dt == null || dt.Value == DateTime.MinValue)
                return "";
            string formartStr = string.Empty;
            switch (type)
            {
                case 1: formartStr = "yyyy/MM/dd"; break;
                case 2: formartStr = "yyyy/MM/dd HH:mm"; break;
                case 3: formartStr = "yy/MM/dd HH:mm"; break;
                case 4: formartStr = "MM/dd HH:mm"; break;
                case 5: formartStr = "yyyyMM"; break;
                case 6: formartStr = "yyyy-MM-dd"; break;
            }
            return dt.Value.ToString(formartStr);
        }

        #region 枚举

        public static string GetEnumName<T>(int i)
        {
            string name = null;
            string[] names = Enum.GetNames(typeof(T));
            if (i < names.Length)
            {
                name = names[i];
            }
            return name;
        }


        public static string GetEnumNameByValue<T>(int i)
        {
            string name = Enum.GetName(typeof(T), i);
            return name;
        }

        public static string GetCheckEnumNameByValue<T>(int i)
        {
            string name = i.ToString();
            if (Enum.IsDefined(typeof(T), i))
                name = Enum.GetName(typeof(T), i);
            return name;
        }
        #endregion

        #region JSON
        public static T JSONToObject<T>(string json)
        {
            return Newtonsoft.Json.JsonConvert.DeserializeObject<T>(json);

        }
        public static string ConvertToJSON<T>(IList<T> list)
        {
            return Newtonsoft.Json.JsonConvert.SerializeObject(list);
        }
        public static string ConvertToJSON<T>(T obj)
        {
            return Newtonsoft.Json.JsonConvert.SerializeObject(obj);
        }
        public static string ObjectToJson<T>(T t)
        {
            return Newtonsoft.Json.JsonConvert.SerializeObject(t);
        }

        #endregion





        #region 十进制转六十四进制
        static string[] SubstrSplit(string str, int lenStep)
        {
            if (string.IsNullOrEmpty(str))
                return null;
            int L = str.Length % lenStep;
            if (L > 0)
            {
                for (int i = 0; i < lenStep - L; i++)
                {
                    str = "0" + str;
                }
            }
            string tem = "";
            while (str.Length >= lenStep)
            {
                if (str.Length > lenStep)
                    tem += string.Format(",{0}", str.Substring(0, lenStep));
                else
                    tem += string.Format(",{0}", str);
                str = str.Substring(lenStep);
            }
            tem = tem.Trim(',');
            return tem.Split(',');
        }
        public static string Conver10To64Ext(long d10)
        {
            string str64 = "";
            string[] fhs = "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,v,w,x,y,z,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z".Split(',');
            string binStr = Convert.ToString(d10, 2);
            string[] bstrForLenStep = SubstrSplit(binStr, 6);
            if (bstrForLenStep == null)
                return "";
            for (int j = 0; j < bstrForLenStep.Length; j++)
            {
                int index = Convert.ToInt32(bstrForLenStep[j], 2);
                str64 += string.Format("{0}", fhs[index]);
            }
            return str64;
        }


        #endregion

        #region unix 时间转换
        /// <summary>
        /// 将Unix时间戳转换为DateTime类型时间
        /// </summary>
        /// <param name="d">double 型数字</param>
        /// <returns>DateTime</returns>
        public static System.DateTime ConvertIntDateTime(double d)
        {
            System.DateTime time = System.DateTime.MinValue;
            System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
            time = startTime.AddSeconds(d);
            return time;
        }

        /// <summary>
        /// 将c# DateTime时间格式转换为Unix时间戳格式
        /// </summary>
        /// <param name="time">时间</param>
        /// <returns>double</returns>
        public static double ConvertDateTimeInt(System.DateTime time)
        {
            double intResult = 0;
            System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
            intResult = (time - startTime).TotalSeconds;
            return intResult;
        }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="timeJavaLong">java长整型日期，毫秒为单位</param>
        /// <returns></returns>
        public static DateTime JavaLongToDateTime(long timeJavaLong)
        {
            var dt1970 = new DateTime(1970, 1, 1, 0, 0, 0);
            var tricks1970 = dt1970.Ticks;//1970年1月1日刻度
            var timeTricks = tricks1970 + timeJavaLong * 10000;//日志日期刻度
            return new DateTime(timeTricks).AddHours(8);//转化为DateTime
        }
        #endregion

        #region 检查是否手机号
        /// <summary>
        /// 00852+8位是香港的电话
        /// </summary>
        /// <param name="number"></param>
        /// <returns></returns>
        public static bool ChekMobile(string number)
        {
            string rgs = @"^(13|14|15|17|18|0085)\d{9}$";
            Regex reg = new Regex(rgs);
            return reg.IsMatch(number);
        }
        /// <summary>
        /// 检查是否包含手机号码
        /// </summary>
        /// <param name="number"></param>
        /// <returns></returns>
        public static bool ContainMobile(string number)
        {
            string rgs = @".*(11|12|13|14|15|16|17|18|19)\d{9}.*";
            Regex reg = new Regex(rgs);
            return reg.IsMatch(number);
        }
        /// <summary>
        /// 从文本中返回号码字符串
        /// </summary>
        /// <param name="txt"></param>
        /// <returns></returns>
        public static string GetMobile(string txt)
        {
            string rgs = @"(11|12|13|14|15|16|17|18|19)\d{9}";
            string result = Regex.Match(txt, rgs).Value;
            return result;
        }
        public static bool CheckIsNum(string txt)
        {
            string rgs = "^\\d{6,16}$";
            Regex reg = new Regex(rgs);
            return reg.IsMatch(txt);
        }

        public static bool IsNum(string txt)
        {
            string rgs = "^\\d+$";
            Regex reg = new Regex(rgs);
            return reg.IsMatch(txt);
        }
        #endregion
        public static string NumberSub(string number)
        {
            string Sub_0 = @"^(013|015|016|018|014|017|019)\d*$";
            Regex reg = new Regex(Sub_0);
            if (number.Length > 11 && reg.IsMatch(number))
                return number.Substring(1);
            return number;
        }
        /// <summary>
        /// 验证固定电话号码
        /// </summary>
        /// <param name="telcode"></param>
        /// <returns></returns>
        public static bool ValidateTelCode(string telcode)
        {
            string express = @"^(0[0-9]{2,3}\-?)?([2-9][0-9]{6,7})+(\-[0-9]{1,4})?$";
            return ValidateInput(telcode, express);
        }

        public static string NumberFormat(string number)
        {
            if (string.IsNullOrEmpty(number) || number.Length <= 6)
            {
                return number;
            }
            return number.Substring(0, 3) +
                new string('*', number.Length - 6) +
                number.Substring(number.Length - 3);
        }

        /// <summary>
        /// 验证固定电话号码无下滑斜杠
        /// </summary>
        /// <param name="telcode"></param>
        /// <returns></returns>
        public static bool ValidateTelCode2(string telcode)
        {
            string express = @"^\d{6,20}$";
            return ValidateInput(telcode, express);
        }
        /// <summary>
        /// 验证数据
        /// </summary>
        /// <param name="data">需验证数据</param>
        /// <param name="express">正则表达式</param>
        /// <returns>符合返回为true，否则返回false</returns>
        public static bool ValidateInput(string data, string express)
        {
            Regex reg = new Regex(express);
            return reg.IsMatch(data);
        }



        /// <summary>
        /// 获取随机数
        /// </summary>
        /// <param name="codeCount"></param>
        /// <returns></returns>
        public static string CreateRandomSatl(int codeCount)
        {
            string allChar = "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,W,X,Y,Z,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,w,x,y,z";
            string[] allCharArray = allChar.Split(',');
            string randomCode = "";
            int temp = -1;
            Random rand = new Random();
            for (int i = 0; i < codeCount; i++)
            {
                if (temp != -1)
                {
                    rand = new Random(i * temp * ((int)DateTime.Now.Ticks));
                }
                int t = rand.Next(50);
                if (temp == t)
                {
                    return CreateRandomSatl(codeCount);
                }
                temp = t;
                randomCode += allCharArray[t];
            }
            return randomCode;
        }
        public static string Sha512(string value)
        {
            SHA512 s512 = new SHA512Managed();
            byte[] bit_pwd = Encoding.Default.GetBytes(value);
            byte[] bit_shapsw = s512.ComputeHash(bit_pwd);
            string shapsw = Convert.ToBase64String(bit_shapsw);
            return shapsw;
        }
        public static int PasswordStrength(string password)
        {
            if (string.IsNullOrWhiteSpace(password)) return -1;
            //字符统计
            int iNum = 0, iLtt = 0, iSym = 0;
            foreach (char c in password)
            {
                if (c >= '0' && c <= '9') iNum++;
                else if (c >= 'a' && c <= 'z') iLtt++;
                else if (c >= 'A' && c <= 'Z') iLtt++;
                else iSym++;
            }
            if (password.Length < 6) return 3;   //长度小于6的密码
            if (iLtt == 0 && iSym == 0) return 1; //纯数字密码
            if (iNum == 0 && iSym == 0) return 2; //纯字母密码
            return 0; //正确
        }


        public static string GetSendMsgModel(string strJson, string modelParam)
        {
            string key = string.Empty;
            string values = string.Empty;
            strJson = strJson.Replace(",\"", "*\"").Replace("\":", "\"#").ToString();

            Regex regex = new Regex(@"(?<={)[^}]+(?=})");
            MatchCollection mc = regex.Matches(strJson);
            Dictionary<string, string> list = new Dictionary<string, string>();
            for (int i = 0; i < mc.Count; i++)
            {

                string strRow = mc[i].Value;
                string[] strRows = strRow.Split('*');
                foreach (string str in strRows)
                {
                    string[] strCell = str.Split('#');

                    key = strCell[0].Replace("\"", "");
                    values = strCell[1].Replace("\"", "");
                    list.Add(key, values);
                }
            }
            foreach (var item in list)
            {
                modelParam = modelParam.Replace("${" + item.Key + "}", item.Value);
            }

            return modelParam;
        }

        public static string DateEnToCn(string date)
        {
            string datename = "";
            date = date.ToLower();
            switch (date)
            {//--Monday 周一 Tuesday 周二 Wednesday 周三 Thursday 周四 Friday 周五 Saturday 周六 Sunday 周日
                case "monday": datename = "星期一"; break;
                case "tuesday": datename = "星期二"; break;
                case "wednesday": datename = "星期三"; break;
                case "thursday": datename = "星期四"; break;
                case "friday": datename = "星期五"; break;
                case "saturday": datename = "星期六"; break;
                case "sunday": datename = "星期日"; break;
            }
            return datename;
        }

        /// <summary>  
        /// 将c# DateTime时间格式转换为Unix时间戳格式  
        /// </summary>  
        /// <param name="time">时间</param>  
        /// <returns>long</returns>  
        public static long ConvertDateTimeToInt(System.DateTime time)
        {
            System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1, 0, 0, 0, 0));
            long t = (time.Ticks - startTime.Ticks) / 10000;   //除10000调整为13位      
            return t;
        }
        /// <summary>        
        /// 时间戳转为C#格式时间        
        /// </summary>        
        /// <param name="timeStamp"></param>        
        /// <returns></returns>        
        public static DateTime ConvertStringToDateTime(string timeStamp)
        {
            DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1));
            long lTime = long.Parse(timeStamp + "0000");
            TimeSpan toNow = new TimeSpan(lTime);
            return dtStart.Add(toNow);
        }

        /// <summary>  
        /// 获取文件的MD5码  
        /// </summary>  
        /// <param name="fileName">传入的文件名（含路径及后缀名）</param>  
        /// <returns></returns>  
        public static string GetMD5HashFromFile(string fileName)
        {
            try
            {
                FileStream file = new FileStream(fileName, System.IO.FileMode.Open);
                MD5 md5 = new MD5CryptoServiceProvider();
                byte[] retVal = md5.ComputeHash(file);
                file.Close();
                StringBuilder sb = new StringBuilder();
                for (int i = 0; i < retVal.Length; i++)
                {
                    sb.Append(retVal[i].ToString("x2"));
                }
                return sb.ToString();
            }
            catch (Exception ex)
            {
                throw new Exception("GetMD5HashFromFile() fail,error:" + ex.Message);
            }
        }


        /// <summary>
        /// 查找指定目录下的所有末级子目录
        /// </summary>
        /// <param name="dir">要查找的目录</param>
        /// <param name="list">查找结果列表</param>
        /// <param name="system">是否包含系统目录</param>
        /// <param name="hidden">是否包含隐藏目录</param>
        public static void GetEndDirectories(DirectoryInfo dir, List<DirectoryInfo> list, bool system = false, bool hidden = false)
        {
            DirectoryInfo[] sub = dir.GetDirectories();

            if (sub.Length == 0)
            {// 没有子目录了
                list.Add(dir);
                return;
            }

            foreach (DirectoryInfo subDir in sub)
            {
                // 跳过系统目录
                if (!system && (subDir.Attributes & FileAttributes.System) == FileAttributes.System)
                    continue;
                // 跳过隐藏目录
                if (!hidden && (subDir.Attributes & FileAttributes.Hidden) == FileAttributes.Hidden)
                    continue;

                GetEndDirectories(subDir, list);
            }
        }
        /// <summary>
        /// 获取数据
        /// </summary>
        /// <param name="url"></param>
        /// <param name="encoding"></param>
        /// <returns></returns>
        public static string GetData(string Url, string RequestPara, Encoding encoding)
        {
            if (!String.IsNullOrEmpty(RequestPara))
                RequestPara = RequestPara.IndexOf('?') > -1 ? (RequestPara) : ("?" + RequestPara);

            WebRequest hr = HttpWebRequest.Create(Url + RequestPara);

            byte[] buf = encoding.GetBytes(RequestPara);
            hr.Method = "GET";

            System.Net.WebResponse response = hr.GetResponse();
            StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8"));
            string ReturnVal = reader.ReadToEnd();
            reader.Close();
            response.Close();

            return ReturnVal;
        }
        /// <summary>
        /// 获取数据
        /// </summary>
        /// <param name="url"></param>
        /// <param name="encoding"></param>
        /// <returns></returns>
        public static List<string> GetArryData(string Url, string RequestPara, Encoding encoding)
        {
            if (!String.IsNullOrEmpty(RequestPara))
                RequestPara = RequestPara.IndexOf('?') > -1 ? (RequestPara) : ("?" + RequestPara);

            WebRequest hr = HttpWebRequest.Create(Url + RequestPara);

            byte[] buf = encoding.GetBytes(RequestPara);
            hr.Method = "GET";
            List<string> htmllist = new List<string>();
            System.Net.WebResponse response = hr.GetResponse();
            using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8")))
            {
                while (!reader.EndOfStream)
                {
                    htmllist.Add(reader.ReadLine());
                }
            }
            response.Close();
            return htmllist;
        }
        /// <summary>
        /// 获取数据
        /// </summary>
        /// <param name="url"></param>
        /// <param name="encoding"></param>
        /// <returns></returns>
        public static string GetNewUrlData(string Url, string RequestPara, Encoding encoding)
        {
            if (!String.IsNullOrEmpty(RequestPara))
                RequestPara = RequestPara.IndexOf('?') > -1 ? (RequestPara) : ("?" + RequestPara);

            WebRequest hr = HttpWebRequest.Create(Url + RequestPara);

            hr.Method = "GET";
            System.Net.WebResponse response = hr.GetResponse();
            string r= response.ResponseUri.AbsoluteUri;
           
            response.Close();
            return r;
        }
        /// <summary>
        /// MD5 16位加密 加密后密码为小写
        /// </summary>
        /// <param name="ConvertString"></param>
        /// <returns></returns>
        public static string GetMd5Str16(string ConvertString)
        {
            try
            {
                using (MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider())
                {
                    string t2 = BitConverter.ToString(md5.ComputeHash(UTF8Encoding.Default.GetBytes(ConvertString)), 4, 8);
                    return t2.Replace("-", "").ToLower();
                }
            }
            catch { return null; }
        }
    }
}