自制常用工具类

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using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;
using System.Drawing.Imaging;
using System.Net;
using System.Drawing.Drawing2D;
using System.Xml;
using System.Collections;

namespace xxxxxxx
{    
    public class Common
    {

        /// <summary>
        /// Object转换String
        /// </summary>
        /// <param name="session"></param>
        /// <returns></returns>
        public static string ObjectToString(object session)
        {
            return session == null ? "" : session.ToString();
        }
        /// <summary>
        /// Object转换Int
        /// </summary>
        /// <param name="session"></param>
        /// <returns></returns>
        public static int ObjectToInt(object session)
        {
            int num = -1;
            int.TryParse(session == null ? "" : session.ToString(), out num);
            return num;
        }
        /// <summary>
        /// Object转换Decimal
        /// </summary>
        /// <param name="session"></param>
        /// <returns></returns>
        public static decimal ObjectToDecimal(object session)
        {
            decimal num = -1;
            decimal.TryParse(session == null ? "" : session.ToString(), out num);
            return num;
        }
        /// <summary>
        /// Object转换DateTime 时间格式转换 时间格式错误|默认1970-01-01
        /// </summary>
        /// <param name="session"></param>
        /// <returns></returns>
        public static DateTime ObjectToDateTime(object session)
        {
            DateTime num = DateTime.Parse("1970-01-01");
            DateTime.TryParse(session == null ? null : session.ToString(), out num);
            return num;
        }
        /// <summary>
        /// Object转换Bool
        /// </summary>
        /// <param name="session"></param>
        /// <returns></returns>
        public static bool ObjectToBool(object session)
        {
            bool buf = false;
            bool.TryParse(session == null ? "" : session.ToString(), out buf);
            return buf;
        }
        /// <summary>
        /// 图片转Base64
        /// </summary>
        /// <param name="imagefile"></param>
        /// <returns></returns>
        public static string GetBase64FromImage(string imagefile)
        {
            string strbaser64 = "";
            try
            {
                Bitmap bmp = new Bitmap(imagefile);
                strbaser64 = GetBase64FromImage(bmp).base64;
            }
            catch (Exception)
            {
                throw new Exception("Something wrong during convert!");
            }
            return strbaser64;
        }
        /// <summary>
        /// 图片转Base64
        /// </summary>
        /// <param name="bmp"></param>
        /// <returns></returns>
        public static Base64Class GetBase64FromImage(Bitmap bmp)
        {
            Base64Class base64Class = new Base64Class();
            try
            {
                MemoryStream ms = new MemoryStream();
                bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
                byte[] arr = new byte[ms.Length];
                ms.Position = 0;
                ms.Read(arr, 0, (int)ms.Length);
                ms.Close();
                base64Class.base64 = Convert.ToBase64String(arr);
                base64Class.width = bmp.Width;
                base64Class.height = bmp.Height;
            }
            catch (Exception)
            {
                throw new Exception("Something wrong during convert!");
            }
            return base64Class;
        }

        public class Base64Class
        {
            /// <summary>
            /// 图片base64
            /// </summary>
            public string base64 { get; set; }
            /// <summary>
            ////// </summary>
            public int width { get; set; }
            /// <summary>
            ////// </summary>
            public int height { get; set; }
        }
        /// <summary>
        /// Base64 转 图片
        /// </summary>
        /// <param name="base64string"></param>
        /// <returns></returns>
        public static Bitmap GetImageFromBase64(string base64string)
        {
            byte[] b = Convert.FromBase64String(base64string);
            MemoryStream ms = new MemoryStream(b);
            Bitmap bitmap = new Bitmap(ms);
            return bitmap;
        }
        /// <summary>
        /// Base64 转 流
        /// </summary>
        /// <param name="base64string"></param>
        /// <returns></returns>
        public static MemoryStream Base64ToMemo(string base64string)
        {
            byte[] b = Convert.FromBase64String(base64string);
            MemoryStream ms = new MemoryStream(b);
            ms.Position = 0;
            return ms;
        }
        /// <summary>
        /// 将 Stream 转成 byte[]
        /// </summary>
        /// <param name="stream"></param>
        /// <returns></returns>
        public static byte[] StreamToBytes(Stream stream)
        {
            byte[] bytes = new byte[stream.Length];
            stream.Read(bytes, 0, bytes.Length);
            // 设置当前流的位置为流的开始
            stream.Seek(0, SeekOrigin.Begin);
            return bytes;
        }
        /// <summary>
        /// 递归删除 文件 文件夹
        /// </summary>
        /// <param name="directoryUrl"></param>
        public static void RecursiveDel(string directoryUrl)
        {
            if (Directory.Exists(directoryUrl))
            {
                //当前目录所有文件
                foreach (var file in Directory.GetFiles(directoryUrl)) if (File.Exists(file)) File.Delete(file);
                //当前目录中所有目录  //递归删除
                foreach (var dire in Directory.GetDirectories(directoryUrl)) RecursiveDel(dire);
                Directory.Delete(directoryUrl);
            }
        }


        /// <summary>
        /// DateTime时间格式转换为Unix时间戳格式
        /// </summary>
        /// <param name="time"> DateTime时间格式</param>
        /// <returns>Unix时间戳格式</returns>
        public static int ConvertDateTimeInt(System.DateTime time)
        {
            System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
            return (int)(time - startTime).TotalSeconds;
        }
        /// <summary>
        /// 判断UserAgent设备
        /// </summary>
        /// <param name="ua"></param>
        /// <returns></returns>
        public static string CheckAnget(string ua)
        {
            string[] keywords = { "android", "iPhone", "iPod", "iPad", "Windows Phone", "MQQBrowser" };
            string[] pckeyword = { "Windows NT", "Macintosh" };
            if (ua.Contains("Windows NT"))
            {
                //return "Windows";
                return "PC";
            }
            else if (ua.Contains("Macintosh"))
            {
                //return "OS X";
                return "苹果";
            }
            else
            {
                foreach (var item in keywords)
                {
                    if (ua.Contains(item))
                    {
                        //return item;
                        return "手机";
                    }
                }
            }
            return ua;
        }

        /// <summary>
        /// 保留几位小数取小数点 非四舍五入
        /// </summary>
        /// <returns></returns>
        public static decimal DecimalPointNotRound(object num, int count = 2)
        {
            decimal _n = 0;
            if (!decimal.TryParse(num.ToString(), out _n)) return _n;
            Regex re = new Regex(@"-?\d*(\.\d{" + count + "})?");
            var match = re.Match(num.ToString());
            return decimal.Parse(match.Value);
        }

        ///移除html标签
        ///   <summary>
        ///   移除HTML标签
        ///   </summary>
        ///   <param   name="HTMLStr">HTMLStr</param>
        public static string ParseTags(string HTMLStr)
        {
            return System.Text.RegularExpressions.Regex.Replace(HTMLStr, "<[^>]*>", "");
        }

        ///   取出文本中的图片地址        
        ///   取出文本中的图片地址
        ///   <summary>
        ///   取出文本中的图片地址
        ///   </summary>
        ///   <param   name="HTMLStr">HTMLStr</param>
        public static string GetImgUrl(string HTMLStr)
        {
            string str = string.Empty;
            string sPattern = @"^<img\s+[^>]*>";
            Regex r = new Regex(@"<img\s+[^>]*\s*src\s*=\s*([‘]?)(?<url>\S+)‘?[^>]*>",
              RegexOptions.Compiled);
            Match m = r.Match(HTMLStr.ToLower());
            if (m.Success)
                str = m.Result("${url}");
            return str;
        }

        /// <summary>
        /// 加密
        /// </summary>
        /// <param name="pToEncrypt"></param>
        /// <param name="sKey">密钥必须是8位</param>
        /// <returns></returns>
        public static string MD5Encrypt(string pToEncrypt, string sKey)
        {
            DESCryptoServiceProvider des = new DESCryptoServiceProvider();
            byte[] inputByteArray = Encoding.Default.GetBytes(pToEncrypt);
            des.Key = ASCIIEncoding.ASCII.GetBytes(sKey);
            des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);
            MemoryStream ms = new MemoryStream();
            CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write);
            cs.Write(inputByteArray, 0, inputByteArray.Length);
            cs.FlushFinalBlock();
            StringBuilder ret = new StringBuilder();
            foreach (byte b in ms.ToArray())
            {
                ret.AppendFormat("{0:X2}", b);
            }
            ret.ToString();
            return ret.ToString();
        }

        /// <summary>
        /// 解密
        /// </summary>
        /// <param name="pToDecrypt"></param>
        /// <param name="sKey"></param>
        /// <returns></returns>
        public static string MD5Decrypt(string pToDecrypt, string sKey)
        {
            string text = "";
            try
            {
                DESCryptoServiceProvider des = new DESCryptoServiceProvider();

                byte[] inputByteArray = new byte[pToDecrypt.Length / 2];
                for (int x = 0; x < pToDecrypt.Length / 2; x++)
                {
                    int i = (Convert.ToInt32(pToDecrypt.Substring(x * 2, 2), 16));
                    inputByteArray[x] = (byte)i;
                }

                des.Key = ASCIIEncoding.ASCII.GetBytes(sKey);
                des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);
                MemoryStream ms = new MemoryStream();
                CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write);
                cs.Write(inputByteArray, 0, inputByteArray.Length);
                cs.FlushFinalBlock();

                StringBuilder ret = new StringBuilder();
                text = System.Text.Encoding.Default.GetString(ms.ToArray());
            }
            catch
            {
                text = pToDecrypt;
            }
            return text;
        }

        /// <summary>
        /// 加密
        /// </summary>
        /// <param name="toEncrypt">要加密的字符串,即明文</param>
        /// <param name="key">公共密钥</param>
        /// <param name="useHashing">是否使用MD5生成机密秘钥</param>
        /// <returns>加密后的字符串,即密文</returns>
        public static string Encrypt(string toEncrypt, string key, bool useHashing)
        {
            try
            {
                byte[] keyArray;
                byte[] toEncryptArray = UTF8Encoding.UTF8.GetBytes(toEncrypt);

                if (useHashing)
                {
                    MD5CryptoServiceProvider hashmd5 = new MD5CryptoServiceProvider();
                    keyArray = hashmd5.ComputeHash(UTF8Encoding.UTF8.GetBytes(key));
                }
                else
                    keyArray = UTF8Encoding.UTF8.GetBytes(key);

                TripleDESCryptoServiceProvider tdes = new TripleDESCryptoServiceProvider();

                tdes.Key = keyArray;
                tdes.Mode = CipherMode.ECB;
                tdes.Padding = PaddingMode.PKCS7;

                ICryptoTransform cTransform = tdes.CreateEncryptor();
                byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);

                return Convert.ToBase64String(resultArray, 0, resultArray.Length);
            }
            catch
            {

            }
            return string.Empty;
        }

        /// <summary>
        /// 解密
        /// </summary>
        /// <param name="toDecrypt">要解密的字符串,即密文</param>
        /// <param name="key">公共密钥</param>
        /// <param name="useHashing">是否使用MD5生成机密密钥</param>
        /// <returns>解密后的字符串,即明文</returns>
        public static string Decrypt(string toDecrypt, string key, bool useHashing)
        {
            try
            {
                byte[] keyArray;
                byte[] toEncryptArray = Convert.FromBase64String(toDecrypt);

                if (useHashing)
                {
                    MD5CryptoServiceProvider hashmd5 = new MD5CryptoServiceProvider();
                    keyArray = hashmd5.ComputeHash(UTF8Encoding.UTF8.GetBytes(key));
                }
                else
                    keyArray = UTF8Encoding.UTF8.GetBytes(key);

                TripleDESCryptoServiceProvider tdes = new TripleDESCryptoServiceProvider();
                tdes.Key = keyArray;
                tdes.Mode = CipherMode.ECB;
                tdes.Padding = PaddingMode.PKCS7;

                ICryptoTransform cTransform = tdes.CreateDecryptor();
                byte[] resultArray = cTransform.TransformFinalBlock(toEncryptArray, 0, toEncryptArray.Length);

                return UTF8Encoding.UTF8.GetString(resultArray);

            }
            catch
            {

            }
            return string.Empty;

        }

        /// <summary>
        /// 删除文本中的图片
        /// </summary>
        /// <param name="content"></param>
        public static void DeleteContentImg(string content)
        {
            var matches = Regex.Matches(content, @"<img\b[^<>]*?\bsrc[\s\t\r\n]*=[\s\t\r\n]*[""‘]?[\s\t\r\n]*(?<imgUrl>[^\s\t\r\n""‘<>]*)[^<>]*?/?[\s\t\r\n]*>");
            foreach (Match match in matches)
            {
                string imgpath = match.Groups["imgUrl"].Value;

            }
        }
        /// <summary>
        /// 图片缩放
        /// </summary>
        /// <param name="b"></param>
        /// <param name="destHeight"></param>
        /// <param name="destWidth"></param>
        /// <returns></returns>
        public static Bitmap ImgThumbnail(Bitmap b, int destHeight, int destWidth)
        {
            System.Drawing.Image imgSource = b;
            System.Drawing.Imaging.ImageFormat thisFormat = imgSource.RawFormat;
            int sW = 0, sH = 0;
            // 按比例缩放           
            int sWidth = imgSource.Width;
            int sHeight = imgSource.Height;
            if (sHeight > destHeight || sWidth > destWidth)
            {
                if ((sWidth * destHeight) > (sHeight * destWidth))
                {
                    sW = destWidth;
                    sH = (destWidth * sHeight) / sWidth;
                }
                else
                {
                    sH = destHeight;
                    sW = (sWidth * destHeight) / sHeight;
                }
            }
            else
            {
                sW = sWidth;
                sH = sHeight;
            }
            Bitmap outBmp = new Bitmap(destWidth, destHeight);
            Graphics g = Graphics.FromImage(outBmp);
            g.Clear(Color.Transparent);
            // 设置画布的描绘质量         
            g.CompositingQuality = CompositingQuality.HighQuality;
            g.SmoothingMode = SmoothingMode.HighQuality;
            g.InterpolationMode = InterpolationMode.HighQualityBicubic;
            g.DrawImage(imgSource, new Rectangle((destWidth - sW) / 2, (destHeight - sH) / 2, sW, sH), 0, 0, imgSource.Width, imgSource.Height, GraphicsUnit.Pixel);
            g.Dispose();
            // 以下代码为保存图片时,设置压缩质量     
            EncoderParameters encoderParams = new EncoderParameters();
            long[] quality = new long[1];
            quality[0] = 100;
            EncoderParameter encoderParam = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, quality);
            encoderParams.Param[0] = encoderParam;
            imgSource.Dispose();
            return outBmp;
        }
        /// <summary>
        /// 下载文件
        /// </summary>
        /// <param name="url"></param>
        /// <returns></returns>
        public static MemoryStream DownloadFile(string url)
        {
            Uri uri = new Uri(url.Replace("\\", "/"));
            WebRequest request = WebRequest.Create(uri);
            WebResponse response = request.GetResponse();
            Stream stream = response.GetResponseStream();
            MemoryStream ms = new MemoryStream();
            Byte[] buffer = new Byte[1024];
            int current = 0;
            while ((current = stream.Read(buffer, 0, buffer.Length)) != 0)
            {
                ms.Write(buffer, 0, current);
            }
            return ms;
        }
        /// <summary>
        /// 下载图片
        /// </summary>
        /// <param name="url"></param>
        /// <returns></returns>
        public static Bitmap DownloadImg(string url)
        {
            Bitmap bit = null;
            try
            {
                Uri uri = new Uri(url.Replace("\\", "/"));
                WebRequest request = WebRequest.Create(uri);
                WebResponse response = request.GetResponse();
                Stream stream = response.GetResponseStream();
                MemoryStream ms = new MemoryStream();
                Byte[] buffer = new Byte[1024];
                int current = 0;
                while ((current = stream.Read(buffer, 0, buffer.Length)) != 0)
                {
                    ms.Write(buffer, 0, current);
                }
                bit = new Bitmap(ms);
            }
            catch
            {

            }
            return bit;
        }

        /// <summary>  
        /// 剪裁 -- 用GDI+   
        /// </summary>  
        /// <param name="b">原始Bitmap</param>  
        /// <param name="StartX">开始坐标X</param>  
        /// <param name="StartY">开始坐标Y</param>  
        /// <param name="iWidth">宽度</param>  
        /// <param name="iHeight">高度</param>  
        /// <returns>剪裁后的Bitmap</returns>  
        public static Bitmap Cut(Bitmap b, int StartX, int StartY, int iWidth, int iHeight)
        {
            if (b == null)
            {
                return null;
            }
            int w = b.Width;
            int h = b.Height;
            if (StartX >= w || StartY >= h)
            {
                return null;
            }
            if (StartX + iWidth > w)
            {
                iWidth = w - StartX;
            }
            if (StartY + iHeight > h)
            {
                iHeight = h - StartY;
            }
            try
            {
                Bitmap bmpOut = new Bitmap(iWidth, iHeight, PixelFormat.Format24bppRgb);
                Graphics g = Graphics.FromImage(bmpOut);
                Rectangle destRect = new Rectangle(0, 0, iWidth, iHeight);//显示图像的位置
                Rectangle srcRect = new Rectangle(StartX, StartY, iWidth, iHeight);//显示图像那一部分
                GraphicsUnit units = GraphicsUnit.Pixel;//源矩形的度量单位设置为像素
                g.DrawImage(b, destRect, srcRect, units);
                g.Dispose();
                return bmpOut;
            }
            catch
            {
                return null;
            }
        }
        /// <summary>
        /// 图片剪切
        /// </summary>
        /// <param name="bit"></param>
        /// <param name="iWidth"></param>
        /// <param name="iHeight"></param>
        /// <param name="StartX">偏移X</param>
        /// <param name="StartY">偏移Y</param>
        /// <returns></returns>
        public static Bitmap BitmapCut(Bitmap bit, int iWidth = 100, int iHeight = 100, int StartX = 0, int StartY = 0)
        {
            int sWidth = iWidth;
            int sHeight = iHeight;
            if (bit.Width > bit.Height) //宽处理
            {
                int w = int.Parse(((bit.Width / (double)bit.Height) * iHeight).ToString("0"));
                if (w > iWidth)
                    sWidth = w;
                else
                    sHeight = int.Parse((iHeight / (bit.Width / (double)bit.Height)).ToString("0"));
            }
            else if (bit.Height > bit.Width)
            {
                int h = int.Parse(((bit.Height / (double)bit.Width * bit.Width)).ToString("0"));
                if (h > iHeight)
                    sHeight = h;
            }

            int strY = ((bit.Height - iHeight) / 2) + StartY;
            int strX = ((bit.Width - iWidth) / 2) + StartX;
            bit = Common.Cut(bit, strX, strY, iWidth, iHeight);
            return bit;
        }
        /// <summary>
        /// 图片缩略图
        /// </summary>
        /// <param name="bit"></param>
        /// <param name="iWidth"></param>
        /// <param name="iHeight"></param>
        /// <param name="StartX">偏移X</param>
        /// <param name="StartY">偏移Y</param>
        /// <returns></returns>
        public static Bitmap BitmapThumbnail(Bitmap bit, int iWidth = 100, int iHeight = 100, int StartX = 0, int StartY = 0)
        {
            int sWidth = iWidth;
            int sHeight = iHeight;
            if (bit.Width > bit.Height) //宽处理
            {
                int w = int.Parse(((bit.Width / (double)bit.Height) * iHeight).ToString("0"));
                if (w > iWidth)
                    sWidth = w;
                else
                    sHeight = int.Parse((iHeight / (bit.Width / (double)bit.Height)).ToString("0"));
            }
            else if (bit.Height > bit.Width)
            {
                int h = int.Parse(((bit.Height / (double)bit.Width * bit.Width)).ToString("0"));
                if (h > iHeight)
                    sHeight = h;
            }

            int strY = ((bit.Height - iHeight) / 2) + StartY;
            int strX = ((bit.Width - iWidth) / 2) + StartX;
            bit = Common.Cut(bit, strX, strY, iWidth, iHeight);
            return bit;
        }

        /// <summary>
        /// int获取枚举
        /// </summary>
        /// <typeparam name="T">枚举集合</typeparam>
        /// <param name="num"></param>
        /// <returns></returns>
        public static T NumToEnum<T>(int num)
        {
            foreach (var myCode in Enum.GetValues(typeof(T)))
            {
                if ((int)myCode == num)
                {
                    return (T)myCode;
                }
            }
            throw new ArgumentException(string.Format("{0} 未能找到对应的枚举.", num), "Description");
        }

        /// <summary>
        /// 获取一个类指定的属性值
        /// </summary>
        /// <param name="info">object对象</param>
        /// <param name="field">属性名称</param>
        /// <returns></returns>
        public static object GetPropertyValue(object info, string field)
        {
            if (info == null) return null;
            Type t = info.GetType();
            IEnumerable<System.Reflection.PropertyInfo> property = from pi in t.GetProperties() where pi.Name.ToLower() == field.ToLower() select pi;
            return property.First().GetValue(info, null);
        }

        static int GetRandomSeed()
        {
            byte[] bytes = new byte[4];
            System.Security.Cryptography.RNGCryptoServiceProvider rng = new System.Security.Cryptography.RNGCryptoServiceProvider();
            rng.GetBytes(bytes);
            return BitConverter.ToInt32(bytes, 0);
        }
        /// <summary>
        /// 随意数
        /// </summary>
        /// <param name="num">随机数位数</param>
        /// <returns></returns>
        public static string GetRandomNum(int num)
        {
            StringBuilder str = new StringBuilder();
            Random rand = new Random(GetRandomSeed());
            for (int i = 0; i < num; i++)
            {
                str.Append(rand.Next(0, 9).ToString());
            }
            return str.ToString();
        }


        /// <summary>
        /// 随机数(带英文)
        /// </summary>
        /// <param name="Length"></param>
        /// <returns></returns>
        public static string GenerateRandom(int Length)
        {
            char[] constant =
        {
                0,1,2,3,4,5,6,7,8,9,
                a,b,c,d,e,f,g,h,i,j,k,l,m,n,p,q,r,s,t,u,v,w,x,y,z
        };
            System.Text.StringBuilder newRandom = new System.Text.StringBuilder(62);
            Random rd = new Random();
            for (int i = 0; i < Length; i++)
            {
                newRandom.Append(constant[rd.Next(constant.Length)]);
            }
            return newRandom.ToString();
        }

        public static string HttpPost2(string Url, string postDataStr, string contentType = "application/x-www-form-urlencoded")
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
            request.Method = "POST";
            request.Timeout = 20000;
            request.KeepAlive = true;
            request.ContentType = contentType;
            request.UserAgent = "User-Agent:Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.202 Safari/535.1";
            byte[] postData = System.Text.Encoding.GetEncoding("gb2312").GetBytes(postDataStr);
            request.ContentLength = postData.Length;
            //request.CookieContainer = cookie;
            Stream myRequestStream = request.GetRequestStream();
            //Stream myStreamWriter = new Stream(request.GetRequestStream(), Encoding.GetEncoding("gb2312"));
            myRequestStream.Write(postData, 0, postData.Length);
            myRequestStream.Close();
            //myStreamWriter.Flush();

            HttpWebResponse response = (HttpWebResponse)request.GetResponse();

            //response.Cookies = cookie.GetCookies(response.ResponseUri);
            Stream myResponseStream = response.GetResponseStream();
            StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
            string retString = myStreamReader.ReadToEnd();
            myStreamReader.Close();
            myResponseStream.Close();

            return retString;
        }

        /// <summary>
        /// 间隔时间 刚刚 几分钟前.....
        /// </summary>
        /// <param name="date"></param>
        /// <returns></returns>
        public static string TimeInterval(DateTime date)
        {
            string time = "";
            var dq = DateTime.Now;
            var timespan = dq - date;
            var day = timespan.TotalDays;
            if (timespan.TotalMinutes < 1)
            {
                time = "刚刚";
            }
            else if (timespan.TotalHours < 1)
            {
                time = timespan.TotalMinutes.ToString("0") + "分钟前";
            }
            else if (timespan.TotalDays < 1)
            {
                time = timespan.TotalHours.ToString("0") + "小时前";
            }
            else if (timespan.TotalDays < 2)
            {
                time = "昨天";
            }
            else if (timespan.TotalDays < 3)
            {
                time = "前天";
            }
            else if (dq.Year - date.Year <= 0)
            {
                time = date.ToString("MM月dd日");
            }
            else if (dq.Year - date.Year > 0)
            {
                time = date.ToString("yyyy年MM月dd日");
            }
            else
            {
                time = date.ToString();
            }
            return time;
        }

        /// <summary>
        /// 传入URL返回网页的html代码
        /// </summary>
        /// <param name="Url">URL</param>
        /// <returns></returns>
        public static string getUrltoHtml(string Url)
        {
            string errorMsg = "";
            try
            {
                System.Net.WebRequest wReq = System.Net.WebRequest.Create(Url);
                // Get the response instance.
                System.Net.WebResponse wResp = wReq.GetResponse();
                // Read an HTTP-specific property
                //if (wResp.GetType() ==HttpWebResponse)
                //{
                //DateTime updated  =((System.Net.HttpWebResponse)wResp).LastModified;
                //}
                // Get the response stream.
                System.IO.Stream respStream = wResp.GetResponseStream();
                // Dim reader As StreamReader = New StreamReader(respStream)
                System.IO.StreamReader reader = new System.IO.StreamReader(respStream, System.Text.Encoding.GetEncoding("gb2312"));
                return reader.ReadToEnd();

            }
            catch (System.Exception ex)
            {
                errorMsg = ex.Message;
            }
            return "";
        }

        /// <summary>
        /// 类赋值
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="pTargetObjSrc"></param>
        /// <param name="pTargetObjDest"></param>
        public static void EntityToEntity<T>(T pTargetObjSrc, T pTargetObjDest)
        {
            try
            {
                foreach (var mItem in typeof(T).GetProperties())
                {
                    mItem.SetValue(pTargetObjDest, mItem.GetValue(pTargetObjSrc, new object[] { }), null);
                }
            }
            catch (NullReferenceException NullEx)
            {
                throw NullEx;
            }
            catch (Exception Ex)
            {
                throw Ex;
            }
        }
        /// <summary>
        /// 类赋值(两个类属性相似赋值)
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <typeparam name="E"></typeparam>
        /// <param name="pTargetObjSrc">目标类</param>
        /// <param name="pTargetObjDest">源类</param>
        public static void EntityToEntity<T, E>(T pTargetObjSrc, E pTargetObjDest)
        {
            try
            {
                foreach (var mItem in typeof(T).GetProperties())
                {
                    mItem.SetValue(pTargetObjDest, mItem.GetValue(pTargetObjSrc, new object[] { }), null);
                }
            }
            catch (NullReferenceException NullEx)
            {
                throw NullEx;
            }
            catch (Exception Ex)
            {
                throw Ex;
            }
        }

        #region/// <summary>  
        /// 表单数据项  
        /// </summary>  
        public class FormItemModel
        {
            public FormitemTypeEnum formItemType { get; set; } = FormitemTypeEnum.文本;
            /// <summary>  
            /// 表单键,request["key"]  
            /// </summary>  
            public string Key { set; get; }
            /// <summary>  
            /// 表单值,上传文件时忽略,request["key"].value
            /// 格式:application/octet-stream
            /// </summary>  
            public string Value { set; get; }
            public byte[] pic_bytes { get; set; }
            /// <summary>  
            /// 是否是文件  
            /// </summary>  
            public bool IsFile
            {
                get
                {
                    if (FileContent == null || FileContent.Length == 0)
                        return false;

                    if (FileContent != null && FileContent.Length > 0 && string.IsNullOrWhiteSpace(FileName))
                        throw new Exception("上传文件时 FileName 属性值不能为空");
                    return true;
                }
            }
            /// <summary>  
            /// 上传的文件名  
            /// </summary>  
            public string FileName { set; get; }
            /// <summary>  
            /// 上传的文件内容  
            /// </summary>  
            public Stream FileContent { set; get; }

        }
        /// <summary>
        /// Form上传类型
        /// </summary>
        public enum FormitemTypeEnum
        {
            文本 = 0,
            文件 = 1,
            图片 = 2
        }
        /// <summary>
        /// (专用)微讯同步上传返回信息
        /// </summary>
        public class ZY_MicronewsResult
        {
            public string response { get; set; }
            public ModelError error { get; set; }

            public class ModelError
            {
                /// <summary>
                /// 错误码
                /// </summary>
                public int code { get; set; }
                /// <summary>
                /// 错误描述
                /// </summary>
                public string description { get; set; }
            }
        }
        #endregion
        
        public static class IO
        {
            /// 将 Stream 转成 byte[]

            public static byte[] StreamToBytes(Stream stream)
            {
                byte[] bytes = new byte[stream.Length];
                stream.Read(bytes, 0, bytes.Length);
                // 设置当前流的位置为流的开始
                stream.Seek(0, SeekOrigin.Begin);
                return bytes;
            }

            /// 将 byte[] 转成 Stream

            public static Stream BytesToStream(byte[] bytes)
            {
                Stream stream = new MemoryStream(bytes);
                return stream;
            }
        }


        /// <summary>
        /// 汉字转换
        /// </summary>
        public class ChineseConvert
        {
            #region 汉字转拼方法1
            /// <summary>汉字转拼音缩写</summary>
            /// <param name="str">要转换的汉字字符串</param>
            /// <returns>拼音缩写</returns>
            public static string GetSpellString(string str)
            {
                if (IsEnglishCharacter(str))
                    return str;
                string tempStr = "";
                foreach (char c in str)
                {
                    if ((int)c >= 33 && (int)c <= 126)
                    {//字母和符号原样保留           
                        tempStr += c.ToString();
                    }
                    else
                    {//累加拼音声母     
                        tempStr += GetSpellChar(c.ToString());
                    }
                }
                return tempStr;
            }
            /// <summary>
            /// 判断是否字母
            /// </summary>
            /// <param name="str"></param>
            /// <returns></returns>
            private static bool IsEnglishCharacter(String str)
            {
                CharEnumerator ce = str.GetEnumerator();
                while (ce.MoveNext())
                {
                    char c = ce.Current;
                    if ((c <= 0x007A && c >= 0x0061) == false &&
                       (c <= 0x005A && c >= 0x0041) == false)
                        return false;
                }
                return true;
            }
            /// <summary>
            /// 判断是否有汉字
            /// </summary>
            /// <param name="testString"></param>
            /// <returns></returns>
            private static bool HaveChineseCode(string testString)
            {
                if (Regex.IsMatch(testString, @"[\u4e00-\u9fa5]+"))
                {
                    return true;
                }
                else
                {
                    return false;
                }
            }
            /// <summary>
            /// 取单个字符的拼音声母
            /// </summary>
            /// <param name="c">要转换的单个汉字</param>
            /// <returns>拼音声母</returns>
            public static string GetSpellChar(string c)
            {
                byte[] array = new byte[2];
                array = System.Text.Encoding.Default.GetBytes(c);
                int i = (short)(array[0] - \0) * 256 + ((short)(array[1] - \0));
                if (i < 0xB0A1) return "*";
                if (i < 0xB0C5) return "a";
                if (i < 0xB2C1) return "b";
                if (i < 0xB4EE) return "c";
                if (i < 0xB6EA) return "d";
                if (i < 0xB7A2) return "e";
                if (i < 0xB8C1) return "f";
                if (i < 0xB9FE) return "g";
                if (i < 0xBBF7) return "h";
                if (i < 0xBFA6) return "j";
                if (i < 0xC0AC) return "k";
                if (i < 0xC2E8) return "l";
                if (i < 0xC4C3) return "m";
                if (i < 0xC5B6) return "n";
                if (i < 0xC5BE) return "o";
                if (i < 0xC6DA) return "p";
                if (i < 0xC8BB) return "q";
                if (i < 0xC8F6) return "r";
                if (i < 0xCBFA) return "s";
                if (i < 0xCDDA) return "t";
                if (i < 0xCEF4) return "w";
                if (i < 0xD1B9) return "x";
                if (i < 0xD4D1) return "y";
                if (i < 0xD7FA) return "z";
                return "*";
            }
            #endregion
            #region 汉字转拼方法2
            private static Hashtable _Phrase;
            /// <summary>
            /// 设置或获取包含列外词组读音的键/值对的组合。
            /// </summary>
            public static Hashtable Phrase
            {
                get
                {
                    if (_Phrase == null)
                    {
                        _Phrase = new Hashtable();
                        _Phrase.Add("", "Zhen");
                        _Phrase.Add("什么", "ShenMe");
                        _Phrase.Add("", "Hui");
                        _Phrase.Add("", "Jie");
                    }
                    return _Phrase;
                }
                set { _Phrase = value; }
            }
            #region 定义编码
            private static int[] pyvalue = new int[]
                    {
                -20319, -20317, -20304, -20295, -20292, -20283, -20265, -20257, -20242, -20230, -20051, -20036, -20032,
                -20026, -20002, -19990, -19986, -19982, -19976, -19805, -19784, -19775, -19774, -19763, -19756, -19751,
                -19746, -19741, -19739, -19728, -19725, -19715, -19540, -19531, -19525, -19515, -19500, -19484, -19479,
                -19467, -19289, -19288, -19281, -19275, -19270, -19263, -19261, -19249, -19243, -19242, -19238, -19235,
                -19227, -19224, -19218, -19212, -19038, -19023, -19018, -19006, -19003, -18996,
                -18977, -18961, -18952, -18783, -18774, -18773, -18763, -18756, -18741, -18735, -18731, -18722, -18710,
                -18697, -18696, -18526,
                -18518, -18501, -18490, -18478, -18463, -18448, -18447, -18446, -18239, -18237, -18231, -18220, -18211,
                -18201, -18184, -18183,
                -18181, -18012, -17997, -17988, -17970, -17964, -17961, -17950, -17947, -17931, -17928, -17922, -17759,
                -17752, -17733, -17730,
                -17721, -17703, -17701, -17697, -17692, -17683, -17676, -17496, -17487, -17482, -17468, -17454, -17433,
                -17427, -17417, -17202,
                -17185, -16983, -16970, -16942, -16915, -16733, -16708, -16706, -16689, -16664, -16657, -16647, -16474,
                -16470, -16465, -16459,
                -16452, -16448, -16433, -16429, -16427, -16423, -16419, -16412, -16407, -16403, -16401, -16393, -16220,
                -16216, -16212, -16205,
                -16202, -16187, -16180, -16171, -16169, -16158, -16155, -15959, -15958, -15944, -15933, -15920, -15915,
                -15903, -15889, -15878,
                -15707, -15701, -15681, -15667, -15661, -15659, -15652, -15640, -15631, -15625, -15454, -15448, -15436,
                -15435, -15419, -15416,
                -15408, -15394, -15385, -15377, -15375, -15369, -15363, -15362, -15183, -15180, -15165, -15158, -15153,
                -15150, -15149, -15144,
                -15143, -15141, -15140, -15139, -15128, -15121, -15119, -15117, -15110, -15109, -14941, -14937, -14933,
                -14930, -14929, -14928,
                -14926, -14922, -14921, -14914, -14908, -14902, -14894, -14889, -14882, -14873, -14871, -14857, -14678,
                -14674, -14670, -14668,
                -14663, -14654, -14645, -14630, -14594, -14429, -14407, -14399, -14384, -14379, -14368, -14355, -14353,
                -14345, -14170, -14159,
                -14151, -14149, -14145, -14140, -14137, -14135, -14125, -14123, -14122, -14112, -14109, -14099, -14097,
                -14094, -14092, -14090,
                -14087, -14083, -13917, -13914, -13910, -13907, -13906, -13905, -13896, -13894, -13878, -13870, -13859,
                -13847, -13831, -13658,
                -13611, -13601, -13406, -13404, -13400, -13398, -13395, -13391, -13387, -13383, -13367, -13359, -13356,
                -13343, -13340, -13329,
                -13326, -13318, -13147, -13138, -13120, -13107, -13096, -13095, -13091, -13076, -13068, -13063, -13060,
                -12888, -12875, -12871,
                -12860, -12858, -12852, -12849, -12838, -12831, -12829, -12812, -12802, -12607, -12597, -12594, -12585,
                -12556, -12359, -12346,
                -12320, -12300, -12120, -12099, -12089, -12074, -12067, -12058, -12039, -11867, -11861, -11847, -11831,
                -11798, -11781, -11604,
                -11589, -11536, -11358, -11340, -11339, -11324, -11303, -11097, -11077, -11067, -11055, -11052, -11045,
                -11041, -11038, -11024,
                -11020, -11019, -11018, -11014, -10838, -10832, -10815, -10800, -10790, -10780, -10764, -10587, -10544,
                -10533, -10519, -10331,
                -10329, -10328, -10322, -10315, -10309, -10307, -10296, -10281, -10274, -10270, -10262, -10260, -10256,
                -10254
                    };
            private static string[] pystr = new string[]
                    {
                "a", "ai", "an", "ang", "ao", "ba", "bai", "ban", "bang", "bao", "bei", "ben", "beng", "bi", "bian",
                "biao",
                "bie", "bin", "bing", "bo", "bu", "ca", "cai", "can", "cang", "cao", "ce", "ceng", "cha", "chai", "chan"
                , "chang", "chao", "che", "chen",
                "cheng", "chi", "chong", "chou", "chu", "chuai", "chuan", "chuang", "chui", "chun", "chuo", "ci", "cong"
                , "cou", "cu", "cuan", "cui",
                "cun", "cuo", "da", "dai", "dan", "dang", "dao", "de", "deng", "di", "dian", "diao", "die", "ding",
                "diu", "dong", "dou", "du", "duan",
                "dui", "dun", "duo", "e", "en", "er", "fa", "fan", "fang", "fei", "fen", "feng", "fo", "fou", "fu", "ga"
                , "gai", "gan", "gang", "gao",
                "ge", "gei", "gen", "geng", "gong", "gou", "gu", "gua", "guai", "guan", "guang", "gui", "gun", "guo",
                "ha", "hai", "han", "hang",
                "hao", "he", "hei", "hen", "heng", "hong", "hou", "hu", "hua", "huai", "huan", "huang", "hui", "hun",
                "huo", "ji", "jia", "jian",
                "jiang", "jiao", "jie", "jin", "jing", "jiong", "jiu", "ju", "juan", "jue", "jun", "ka", "kai", "kan",
                "kang", "kao", "ke", "ken",
                "keng", "kong", "kou", "ku", "kua", "kuai", "kuan", "kuang", "kui", "kun", "kuo", "la", "lai", "lan",
                "lang", "lao", "le", "lei",
                "leng", "li", "lia", "lian", "liang", "liao", "lie", "lin", "ling", "liu", "long", "lou", "lu", "lv",
                "luan", "lue", "lun", "luo",
                "ma", "mai", "man", "mang", "mao", "me", "mei", "men", "meng", "mi", "mian", "miao", "mie", "min",
                "ming", "miu", "mo", "mou", "mu",
                "na", "nai", "nan", "nang", "nao", "ne", "nei", "nen", "neng", "ni", "nian", "niang", "niao", "nie",
                "nin", "ning", "niu", "nong",
                "nu", "nv", "nuan", "nue", "nuo", "o", "ou", "pa", "pai", "pan", "pang", "pao", "pei", "pen", "peng",
                "pi", "pian", "piao", "pie",
                "pin", "ping", "po", "pu", "qi", "qia", "qian", "qiang", "qiao", "qie", "qin", "qing", "qiong", "qiu",
                "qu", "quan", "que", "qun",
                "ran", "rang", "rao", "re", "ren", "reng", "ri", "rong", "rou", "ru", "ruan", "rui", "run", "ruo", "sa",
                "sai", "san", "sang",
                "sao", "se", "sen", "seng", "sha", "shai", "shan", "shang", "shao", "she", "shen", "sheng", "shi",
                "shou", "shu", "shua",
                "shuai", "shuan", "shuang", "shui", "shun", "shuo", "si", "song", "sou", "su", "suan", "sui", "sun",
                "suo", "ta", "tai",
                "tan", "tang", "tao", "te", "teng", "ti", "tian", "tiao", "tie", "ting", "tong", "tou", "tu", "tuan",
                "tui", "tun", "tuo",
                "wa", "wai", "wan", "wang", "wei", "wen", "weng", "wo", "wu", "xi", "xia", "xian", "xiang", "xiao",
                "xie", "xin", "xing",
                "xiong", "xiu", "xu", "xuan", "xue", "xun", "ya", "yan", "yang", "yao", "ye", "yi", "yin", "ying", "yo",
                "yong", "you",
                "yu", "yuan", "yue", "yun", "za", "zai", "zan", "zang", "zao", "ze", "zei", "zen", "zeng", "zha", "zhai"
                , "zhan", "zhang",
                "zhao", "zhe", "zhen", "zheng", "zhi", "zhong", "zhou", "zhu", "zhua", "zhuai", "zhuan", "zhuang",
                "zhui", "zhun", "zhuo",
                "zi", "zong", "zou", "zu", "zuan", "zui", "zun", "zuo"
                    };
            #endregion
            #region 获取汉字拼音
            /// <summary>
            /// 获取汉字拼音
            /// </summary>
            /// <param name="chsstr">汉字字符串</param>
            /// <returns>拼音</returns>
            public static string GetSpellByChinese(string _chineseString)
            {
                string strRet = string.Empty;
                // 例外词组
                foreach (DictionaryEntry de in Phrase)
                {
                    _chineseString = _chineseString.Replace(de.Key.ToString(), de.Value.ToString());
                }
                char[] ArrChar = _chineseString.ToCharArray();
                foreach (char c in ArrChar)
                {
                    strRet += GetSingleSpellByChinese(c.ToString());
                }
                return strRet;
            }
            #endregion
            #region 获取汉字拼音首字母
            /// <summary>
            /// 获取汉字拼音首字母
            /// </summary>
            /// <param name="chsstr">指定汉字</param>
            /// <returns>拼音首字母</returns>
            public static string GetHeadSpellByChinese(string _chineseString)
            {
                string strRet = string.Empty;
                char[] ArrChar = _chineseString.ToCharArray();
                foreach (char c in ArrChar)
                {
                    strRet += GetHeadSingleSpellByChinese(c.ToString());
                }
                return strRet;
            }
            #endregion
            #region 获取单个汉字拼音
            /// <summary>
            /// 获取单个汉字拼音
            /// </summary>
            /// <param name="SingleChs">单个汉字</param>
            /// <returns>拼音</returns>
            public static string GetSingleSpellByChinese(string _singleChineseString)
            {
                byte[] array = Encoding.Default.GetBytes(_singleChineseString);
                int iAsc;
                string strRtn = string.Empty;
                try
                {
                    iAsc = (short)(array[0]) * 256 + (short)(array[1]) - 65536;
                }
                catch
                {
                    iAsc = 1;
                }
                if (iAsc > 0 && iAsc < 160)
                    return _singleChineseString;
                for (int i = (pyvalue.Length - 1); i >= 0; i--)
                {
                    if (pyvalue[i] <= iAsc)
                    {
                        strRtn = pystr[i];
                        break;
                    }
                }
                //将首字母转为大写
                if (strRtn.Length > 1)
                {
                    strRtn = strRtn.Substring(0, 1).ToUpper() + strRtn.Substring(1);
                }
                return strRtn;
            }
            #endregion
            #region 获取单个汉字的首字母
            /// <summary>
            /// 获取单个汉字的首字母
            /// </summary>
            /// <returns></returns>
            public static string GetHeadSingleSpellByChinese(string _singleChineseString)
            {
                // 例外词组
                foreach (DictionaryEntry de in Phrase)
                {
                    _singleChineseString = _singleChineseString.Replace(de.Key.ToString(), de.Value.ToString());
                }
                string text = "";
                try
                {
                    text = GetSingleSpellByChinese(_singleChineseString).Substring(0, 1);
                }
                catch { }
                return text;
            }
            #endregion
            #region 获取汉字拼音(第一个汉字只有首字母)
            /// <summary>
            /// 获取汉字拼音(第一个汉字只有首字母)
            /// </summary>
            /// <param name="_chineseString"></param>
            /// <returns></returns>
            public static string GetAbSpellByChinese(string _chineseString)
            {
                string strRet = string.Empty;
                // 例外词组
                foreach (DictionaryEntry de in Phrase)
                {
                    _chineseString = _chineseString.Replace(de.Key.ToString(), de.Value.ToString());
                }
                char[] ArrChar = _chineseString.ToCharArray();
                for (int i = 0; i < ArrChar.Length; i++)
                {
                    if (i == 0)
                    {
                        strRet += GetHeadSingleSpellByChinese(ArrChar[i].ToString());
                    }
                    else
                    {
                        strRet += GetSingleSpellByChinese(ArrChar[i].ToString());
                    }
                }
                return strRet;
            }
            #endregion
            /// <summary>
            /// 获取5种汉字转拼音
            /// </summary>
            /// <param name="str"></param>
            /// <returns></returns>
            public static string GetAllSpellByChinese(string str)
            {
                string str_temp = "";
                str_temp = GetSpellByChinese(str.Trim());
                str_temp += "," + GetHeadSpellByChinese(str.Trim());
                str_temp += "," + GetSingleSpellByChinese(str.Trim());
                str_temp += "," + GetHeadSingleSpellByChinese(str.Trim());
                str_temp += "," + GetAbSpellByChinese(str.Trim());
                return str_temp;
            }
            /// <summary>
            /// 获取5种汉字转拼音
            /// </summary>
            /// <param name="str"></param>
            /// <returns></returns>
            public static string GetAllSpellByChinese(string str, string fg)
            {
                string str_temp = "";
                str_temp = GetSpellByChinese(str.Trim());
                str_temp += fg + GetHeadSpellByChinese(str.Trim());
                str_temp += fg + GetSingleSpellByChinese(str.Trim());
                str_temp += fg + GetHeadSingleSpellByChinese(str.Trim());
                str_temp += fg + GetAbSpellByChinese(str.Trim());
                return str_temp;
            }
            #endregion
        }
    }

}

 

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