/*******************************************************************************
 * Copyright(c) 2014 DongkeSoft All rights reserved. / Confidential
 * 类的信息：
 *      1.程序名称：Utility.cs
 *      2.功能描述：系统各种常用函数和方法类
 *      3.函数/方法列表：
 *          A.IsNull：判断空值
 *          B.EnableFormCloseBox：设定窗体的关闭按钮是否有效
 *          C.IsValidDate：判断是否是合法的日期
 *          D.ChineseToPinyinCap：根据输入汉字，转化成汉字首字母串
 * 编辑履历：
 *      作者        日期             版本            修改内容
 *      欧阳涛      2012/06/07      1.00            新建
 *      王文君      2012/07/10      1.00            修改      添加IsUnique方法
 *      欧阳涛      2012/07/19      1.00            增加了GetBytesByFilePath()方法，
 *                                                      根据文件路径返回文件字节流
 *******************************************************************************/

using System;
using System.Data;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.Serialization.Formatters.Binary;
using System.Text;
using System.Text.RegularExpressions;
using System.Windows.Forms;

using Dongke.IBOSS.PRD.Basics.BaseResources;

namespace Dongke.IBOSS.PRD.Basics.Library
{
    /// <summary>
    /// 系统各种常用函数和方法类
    /// </summary>
    public static class Utility
    {
        #region IsDirty
        public static bool IsDirty(DataSet dataSet)
        {
            if (dataSet == null)
            {
                return false;
            }

            foreach (DataTable table in dataSet.Tables)
            {
                foreach (DataRow row in table.Rows)
                {
                    row.EndEdit();
                }
            }

            DataSet changes = dataSet.GetChanges();
            if (changes == null)
            {
                return false;
            }

            foreach (DataTable table in changes.Tables)
            {
                if (IsDirty(table))
                {
                    return true;
                }
            }
            return false;
        }

        public static bool IsDirty(DataTable table)
        {
            if (table == null)
            {
                return false;
            }
            if (table.GetChanges(DataRowState.Added) != null)
            {
                return true;
            }
            if (table.GetChanges(DataRowState.Deleted) != null)
            {
                return true;
            }
            DataTable changes = table.GetChanges(DataRowState.Modified);
            if (changes != null)
            {
                foreach (DataRow row in changes.Rows)
                {
                    if (IsDirty(row))
                    {
                        return true;
                    }
                }
            }
            return false;
        }

        public static bool IsDirty(DataRow row)
        {
            if (row == null)
            {
                return false;
            }
            if (row.RowState == DataRowState.Added
                || row.RowState == DataRowState.Deleted)
            {
                return true;
            }
            if (row.RowState == DataRowState.Modified)
            {
                foreach (DataColumn column in row.Table.Columns)
                {
                    if (column.ReadOnly)
                    {
                        continue;
                    }
                    if (!Utility.Compare(row[column, DataRowVersion.Original],
                        row[column, DataRowVersion.Current]))
                    {
                        return true;
                    }
                }
            }
            return false;
        }
        #endregion

        #region 申明API函数
        /// <summary>
        /// 写入INI文件
        /// </summary>
        /// <param name="section">节点名称[如[TypeName]]</param>
        /// <param name="key">键</param>
        /// <param name="val">值</param>
        /// <param name="filepath">文件路径</param>
        /// <returns></returns>
        [DllImport("kernel32")]
        private static extern long WritePrivateProfileString(string section, string key, string val, string filepath);

        /// <summary>
        /// 读取INI文件
        /// </summary>
        /// <param name="section">节点名称</param>
        /// <param name="key">键</param>
        /// <param name="def">值</param>
        /// <param name="retval">stringbulider对象</param>
        /// <param name="size">字节大小</param>
        /// <param name="filePath">文件路径</param>
        /// <returns></returns>
        [DllImport("kernel32")]
        private static extern int GetPrivateProfileString(string section, string key, string def, StringBuilder retval, int size, string filePath);
        #endregion

        #region 成员变量
        // 获取屏幕DPI用
        private static readonly Control _control;
        // 图形
        private static readonly Graphics _graphics;

        /// <summary>
        /// 毫米和像素的转换系数
        /// </summary>
        private const float MILLIMETER_PER_INCH = 25.4f;
        /// <summary>
        /// 磅和像素的转换系数
        /// </summary>
        private const float POINT_PER_INCH = 72f;
        /// <summary>
        /// 屏幕的DPI
        /// </summary>
        private static float SCREEN_DPI;
        #endregion

        #region 构造函数
        static Utility()
        {
            _control = new Control();
            _graphics = _control.CreateGraphics();
            SCREEN_DPI = _graphics.DpiX;
        }
        #endregion

        #region FindWindow()
        [DllImport("user32.dll")]
        public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
        #endregion

        #region WakeupWindow()
        public static bool WakeupWindow(IntPtr hWnd)
        {
            if (hWnd == System.IntPtr.Zero)
            {
                return false;
            }
            if (Win32.IsIconic(hWnd) || !Win32.IsWindowVisible(hWnd))
            {
                Win32.ShowWindowAsync(hWnd, Win32.SW_RESTORE);
            }
            Win32.SetForegroundWindow(hWnd);
            return true;
        }
        #endregion

        #region 基本共通函数
        /// <summary>
        /// 空值判断
        /// </summary>
        /// <param name="value">判断对象</param>
        /// <returns>
        /// True：是空值
        /// False：不是空值
        /// </returns>
        public static bool IsNull(object value)
        {
            if (value == null || value == DBNull.Value)
            {
                return true;
            }
            return false;
        }

        /// <summary>
        /// 过滤sql语句中非法的字符，并替换
        /// </summary>
        /// <param name="value">替换前的sql语句</param>
        /// <returns>替换后的sql语句字符</returns>
        public static string SelectFilterLike(string value)
        {
            if (string.IsNullOrEmpty(value))
            {
                return string.Empty;
            }
            return value.Replace(@"'", @"''").Replace(@"[", @"[[]")
                .Replace(@"_", @"[_]").Replace(@"%", @"[%]").Replace(@"*", @"[*]");
        }

        /// <summary>
        /// 控制窗体的关闭按钮是否能用
        /// </summary>
        /// <param name="hWnd">窗体句柄</param>
        /// <param name="bEnable">True：可用 False：不可用</param>
        /// <returns>
        /// 设置成功与否
        /// </returns>
        public static bool EnableFormCloseBox(IntPtr hWnd, bool bEnable)
        {
            if (hWnd == System.IntPtr.Zero)
            {
                return false;
            }
            IntPtr hMenu = Win32.GetSystemMenu(hWnd, 0);
            if (hMenu == System.IntPtr.Zero)
            {
                return false;
            }
            if (bEnable)
            {
                Win32.EnableMenuItem(hMenu, Win32.SC_CLOSE, Win32.MF_ENABLED);
            }
            else
            {
                Win32.EnableMenuItem(hMenu, Win32.SC_CLOSE,
                    Win32.MF_DISABLED | Win32.MF_GRAYED);
            }
            return true;
        }

        /// <summary>
        /// 判断是否是正确的日期格式
        /// </summary>
        /// <param name="strDateTime">被判断的日期</param>
        /// <param name="dateTime">返回被格式化的日期</param>
        /// <returns>
        /// True：日期格式
        /// False：不是日期格式
        /// </returns>
        public static bool IsValidDate(string strDateTime, out DateTime? dateTime)
        {
            DateTime returnDatetime;
            if (DateTime.TryParse(strDateTime, out returnDatetime))
            {
                dateTime = returnDatetime;
                return true;
            }
            else
            {
                dateTime = null;
                return false;
            }
        }

        /// <summary>
        /// 取得显示顺序的最大值
        /// </summary>
        /// <param name="table">数据表</param>
        /// <param name="maxValName">列名</param>
        /// <returns>
        /// 该数据表里的最大显示顺序
        /// </returns>
        public static int GetMaxValue(DataTable table, string maxValName)
        {
            if (table == null)
            {
                return -1;
            }
            if (table.Columns.Contains(maxValName))
            {
                DataRow[] rows = table.Select("0 <= " + maxValName, maxValName + " DESC");
                if (rows == null || rows.Length == 0)
                {
                    return -1;
                }
                object value = rows[0][maxValName];
                if (value == null)
                {
                    return -1;
                }
                int maxValue = int.Parse(value.ToString());

                if (maxValue == short.MaxValue)
                {
                    maxValue--;
                }
                return maxValue;
            }
            else
            {
                return -1;
                //DataRow[] rows = table.Select("0 <=  " + maxValName,maxValName + "DESC");
                //object value = rows[0][maxValName];
                //int maxValue = int.Parse(value.ToString());
                //return maxValue;
            }
        }

        /// <summary>
        /// 取得数据表里的最大编码值
        /// </summary>
        /// <param name="table">数据表</param>
        /// <param name="maxValName">列名</param>
        /// <returns>该数据表里的最大编码值(string类型)</returns>
        /// <remarks>
        /// 2012.07.10      余再伟      	创建
        /// </remarks>
        public static string GetStringMaxValue(DataTable table, string maxValName)
        {
            // 表为空时候直接返回空值
            if (table == null)
            {
                return string.Empty;
            }

            // 表中包含该列名的时候返回该数据表的最大编码值
            if (table.Columns.Contains(maxValName))
            {
                DataRow[] rows = table.Select("'0' <= " + maxValName, maxValName + " DESC");
                if (rows == null || rows.Length == 0)
                {
                    return string.Empty;
                }
                object value = rows[0][maxValName];
                if (value == null)
                {
                    return string.Empty;
                }
                string maxValue = value.ToString();
                return maxValue;
            }
            else
            {
                return string.Empty;
            }
        }

        /// <summary>
        /// 校验值是否重复
        /// </summary>
        /// <param name="curCellValue">当前Column的值</param>
        /// <param name="curRow">当前行的行号</param>
        /// <param name="dataGridView">所在的DataGridView</param>
        /// <param name="uniqueValue">比较值</param>
        /// <returns>是否存在</returns>
        public static bool IsUnique(string curCellValue, int curRow, DataGridView dataGridView, string uniqueValue)
        {
            foreach (DataGridViewRow rowItem in dataGridView.Rows)
            {
                if (rowItem.Index == curRow)
                {
                    continue;
                }

                // 字典名称
                if (rowItem.Cells[uniqueValue].Value != null)
                {
                    if (rowItem.Cells[uniqueValue].Value.ToString().Trim().
                        Equals(curCellValue.Trim()))
                    {
                        return false;
                    }
                }
            }
            return true;
        }

        /// <summary>
        /// 根据输入的汉字，返回所有汉字拼音的首字母串
        /// </summary>
        /// <param name="chineseString">输入的汉字</param>
        /// <returns>汉字拼音的首字母串</returns>
        public static string ChineseToPinyinCap(string chineseString)
        {
            string pinyinCapString = "";      // 转换后的拼音首字母字符串

            // 每个汉字存储需要两个字节
            byte[] ZW = new byte[2];

            long ChineseStr_int;
            string CharStr;
            string ChinaStr = "";
            chineseString = ToDBC(chineseString);
            for (int i = 0; i <= chineseString.Length - 1; i++)
            {
                // 取出一个汉字
                CharStr = chineseString.Substring(i, 1).ToString();
                // 得到汉字的字节表示
                ZW = System.Text.Encoding.Default.GetBytes(CharStr);

                //  得到汉字符的字节数组
                if (ZW.Length == 2)
                {
                    int i1 = (short)(ZW[0]);
                    int i2 = (short)(ZW[1]);

                    ChineseStr_int = i1 * 256 + i2;

                    #region 参数
                    // table of the constant list
                    // 'A';      //45217..45252
                    // 'B';      //45253..45760
                    // 'C';      //45761..46317
                    // 'D';      //46318..46825
                    // 'E';      //46826..47009
                    // 'F';      //47010..47296
                    // 'G';      //47297..47613

                    // 'H';      //47614..48118
                    // 'J';      //48119..49061
                    // 'K';      //49062..49323
                    // 'L';      //49324..49895
                    // 'M';      //49896..50370
                    // 'N';      //50371..50613
                    // 'O';      //50614..50621
                    // 'P';      //50622..50905
                    // 'Q';      //50906..51386

                    // 'R';      //51387..51445
                    // 'S';      //51446..52217
                    // 'T';      //52218..52697
                    //没有U,V  
                    // 'W';      //52698..52979
                    // 'X';      //52980..53640
                    // 'Y';      //53689..54480
                    // 'Z';      //54481..55289
                    #endregion

                    if ((ChineseStr_int >= 45217) && (ChineseStr_int <= 45252))
                    {
                        ChinaStr = "A";
                    }
                    else if ((ChineseStr_int >= 45253) && (ChineseStr_int <= 45760))
                    {
                        ChinaStr = "B";
                    }
                    else if ((ChineseStr_int >= 45761) && (ChineseStr_int <= 46317))
                    {
                        ChinaStr = "C";
                    }
                    else if ((ChineseStr_int >= 46318) && (ChineseStr_int <= 46825))
                    {
                        ChinaStr = "D";
                    }
                    else if ((ChineseStr_int >= 46826) && (ChineseStr_int <= 47009))
                    {
                        ChinaStr = "E";
                    }
                    else if ((ChineseStr_int >= 47010) && (ChineseStr_int <= 47296))
                    {
                        ChinaStr = "F";
                    }
                    else if ((ChineseStr_int >= 47297) && (ChineseStr_int <= 47613))
                    {
                        ChinaStr = "G";
                    }
                    else if ((ChineseStr_int >= 47614) && (ChineseStr_int <= 48118))
                    {
                        ChinaStr = "H";
                    }
                    else if ((ChineseStr_int >= 48119) && (ChineseStr_int <= 49061))
                    {
                        ChinaStr = "J";
                    }
                    else if ((ChineseStr_int >= 49062) && (ChineseStr_int <= 49323))
                    {
                        ChinaStr = "K";
                    }
                    else if ((ChineseStr_int >= 49324) && (ChineseStr_int <= 49895))
                    {
                        ChinaStr = "L";
                    }
                    else if ((ChineseStr_int >= 49896) && (ChineseStr_int <= 50370))
                    {
                        ChinaStr = "M";
                    }
                    else if ((ChineseStr_int >= 50371) && (ChineseStr_int <= 50613))
                    {
                        ChinaStr = "N";
                    }
                    else if ((ChineseStr_int >= 50614) && (ChineseStr_int <= 50621))
                    {
                        ChinaStr = "O";
                    }
                    else if ((ChineseStr_int >= 50622) && (ChineseStr_int <= 50905))
                    {
                        ChinaStr = "P";
                    }
                    else if ((ChineseStr_int >= 50906) && (ChineseStr_int <= 51386))
                    {
                        ChinaStr = "Q";
                    }
                    else if ((ChineseStr_int >= 51387) && (ChineseStr_int <= 51445))
                    {
                        ChinaStr = "R";
                    }
                    else if ((ChineseStr_int >= 51446) && (ChineseStr_int <= 52217))
                    {
                        ChinaStr = "S";
                    }
                    else if ((ChineseStr_int >= 52218) && (ChineseStr_int <= 52697))
                    {
                        ChinaStr = "T";
                    }
                    else if ((ChineseStr_int >= 52698) && (ChineseStr_int <= 52979))
                    {
                        ChinaStr = "W";
                    }
                    else if ((ChineseStr_int >= 52980) && (ChineseStr_int <= 53640))
                    {
                        ChinaStr = "X";
                    }
                    else if ((ChineseStr_int >= 53689) && (ChineseStr_int <= 54480))
                    {
                        ChinaStr = "Y";
                    }
                    else if ((ChineseStr_int >= 54481) && (ChineseStr_int <= 55289))
                    {
                        ChinaStr = "Z";
                    }
                    else
                    {
                        ChinaStr = CharStr;
                    }
                    pinyinCapString = pinyinCapString + ChinaStr;
                }
                else
                {
                    pinyinCapString = pinyinCapString + CharStr.ToUpper();
                }
            }
            return pinyinCapString;
        }
        #endregion

        #region 半角全角转换
        /// <summary>
        /// 转半角的函数(DBC)
        /// 其他字符半角(33-126)与全角(65281-65374)的对应关系是：均相差65248
        /// 全角空格为12288，半角空格为32
        /// </summary>
        /// <param name="inputString">任意字符串</param>
        /// <returns>半角字符串</returns>
        public static string ToDBC(string inputString)
        {
            char[] c = inputString.ToCharArray();
            for (int i = 0; i < c.Length; i++)
            {
                if (c[i] == 12288)
                {
                    c[i] = (char)32;
                    continue;
                }
                if (c[i] > 65280 && c[i] < 65375)
                {
                    c[i] = (char)(c[i] - 65248);
                }
            }
            return new String(c);
        }

        /// <summary>
        /// 转全角的函数(SBC)
        /// 其他字符半角(33-126)与全角(65281-65374)的对应关系是：均相差65248
        /// 全角空格为12288，半角空格为32
        /// </summary>
        /// <param name="inputString">任意字符串</param>
        /// <returns>全角字符串</returns>
        public static string ToSBC(string inputString)
        {
            // 半角转全角：
            char[] c = inputString.ToCharArray();
            for (int i = 0; i < c.Length; i++)
            {
                if (c[i] == 32)
                {
                    c[i] = (char)12288;
                    continue;
                }
                if (c[i] < 127)
                    c[i] = (char)(c[i] + 65248);
            }
            return new String(c);
        }
        #endregion

        #region 正则判断数据合法性
        /// <summary>
        /// 验证邮箱格式
        /// </summary>
        /// <param name="email">要验证的邮箱地址</param>
        /// <returns>
        /// True：邮箱格式正确
        /// False：邮箱格式错误
        /// </returns>
        public static bool IsValidEmail(string email)
        {
            if (!Regex.IsMatch(email,
                    @"^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$"))
            {
                return false;
            }
            else
            {
                return true;
            }
        }

        ///// <summary>
        ///// 验证身份证输入是否正确
        ///// </summary>
        ///// <param name="IdCard">要验证的身份证号</param>
        ///// <returns>
        ///// True：身份证格式正确
        ///// False：身份证格式错误
        ///// </returns>
        //public static bool IsIDcard(string IdCard)
        //{
        //    bool result = false;
        //    if (IdCard.Length <= 15)
        //    {
        //        result = Regex.IsMatch(IdCard, Constant.IDCARD_STRING15);

        //    }
        //    else
        //    {
        //        result = Regex.IsMatch(IdCard, Constant.IDCARD_STRING);
        //    }
        //    return result;
        //}

        /// <summary>
        /// 判断身份证号是否合法(对外部公开)
        /// </summary>
        /// <param name="strCardID">身份证号（旧/新）</param>
        /// <returns>false:不合法 true:合法</returns>
        public static bool IsIDcard(string strCardID)
        {
            strCardID = strCardID.ToLower();
            // 验证身份证的位数
            string strRegex = @"(\d{15}$)|(\d{17}(\d|x)$)";
            if (!Regex.IsMatch(strCardID, strRegex))
            {
                return false;
            }
            // 身份证数据有效性验证
            string strNewCardID = strCardID;
            if (strCardID.Length == 15)
            {
                strNewCardID = Convert15To18(strCardID);
            }
            if (!CheckCardIDInfo(strNewCardID))
            {
                return false;
            }
            return true;
        }

        /// <summary>
        /// 判断身份证号是否合法
        /// </summary>
        /// <param name="strCardID">新身份证号</param>
        /// <returns>false:不合法 true:合法</returns>
        private static bool CheckCardIDInfo(string strCardID)
        {
            string[] aCity = new string[] { null, null, null, null, null, null, null, null, null,
            null, null, "北京", "天津 ", "河北", "山西", "内蒙古", null, null, null, null,
            null, "辽宁", "吉林", "黑龙江", null, null, null, null, null, null, null, "上海",
            "江苏", "浙江", "安微", "福建", "江西", "山东", null, null, null, "河南",
            "湖北", "湖南", "广东", "广西", "海南", null, null, null, "重庆", "四川",
            "贵州", "云南", "西藏", null, null, null, null, null, null, "陕西", "甘肃",
            "青海", "宁夏", "新疆", null, null, null, null, null, "台湾", null, null, null,
            null, null, null, null, null, null, "香港", "澳门", null, null, null, null, null,
            null, null, null, "国外" };
            strCardID = strCardID.ToLower();
            strCardID = strCardID.Replace("x", "a");

            try
            {
                if (aCity[int.Parse(strCardID.Substring(0, 2))] == null)
                {
                    return false;
                }
                DateTime.Parse(strCardID.Substring(6, 4) + "-"
                    + strCardID.Substring(10, 2) + "-"
                    + strCardID.Substring(12, 2));
            }
            catch
            {
                return false;
            }
            double iSum = 0;
            for (int i = 17; i >= 0; i--)
            {
                iSum += (System.Math.Pow(2, i) % 11) * int.Parse(strCardID[17 - i].ToString(),
                    System.Globalization.NumberStyles.HexNumber);
            }
            if (iSum % 11 != 1)
            {
                return false;
            }
            return true;
        }

        /// <summary>
        /// 从老身份证升位到新身份证
        /// </summary>
        /// <param name="strCardID">老身份证号码</param>
        /// <returns>新身份证号码</returns>
        private static string Convert15To18(string strCardID)
        {
            int intN = 0;
            // 加权因子常数
            int[] intW = new int[] { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 };
            // 校验码常数
            string strLastCode = "10X98765432";
            // 新身份证号
            string strNewCardID;
            strNewCardID = strCardID.Substring(0, 6);
            // 填在第6位及第7位上填上‘1’，‘9’两个数字
            strNewCardID += "19";
            strNewCardID += strCardID.Substring(6, 9);
            // 进行加权求和
            for (int i = 0; i < 17; i++)
            {
                intN += int.Parse(strNewCardID.Substring(i, 1)) * intW[i];
            }
            // 取模运算，得到模值
            int intY = intN % 11;
            // 从strLastCode中取得以模为索引号的值，加到身份证的最后一位，即为新身份证号。
            strNewCardID += strLastCode.Substring(intY, 1);
            return strNewCardID;
        }

        /// <summary>
        /// 验证车牌号输入是否正确
        /// </summary>
        /// <param name="PlateNumber">要验证的车牌号</param>
        /// <returns>
        /// True：车牌号格式正确
        /// False：车牌号格式错误
        /// </returns>
        public static bool IsPlateNumber(string PlateNumber)
        {
            return Regex.IsMatch(PlateNumber, Constant.REGEX_PLATENUMBER_STRING);
        }

        /// <summary>
        /// 验证车架号输入是否正确
        /// </summary>
        /// <param name="PlateNumber">要验证的车架号</param>
        /// <returns>
        /// True：车架号格式正确
        /// False：车架号格式错误
        /// </returns>
        public static bool IsVehicleNumber(string VehicleNumber)
        {
            return Regex.IsMatch(VehicleNumber, Constant.REGEX_VEHICLENUM_STRING);
        }

        /// <summary>
        /// 验证公司网址输入格式是否正确
        /// </summary>
        /// <param name="http">要验证的网址</param>
        /// True：网址格式正确
        /// False：网址格式错误
        /// <returns></returns>
        public static bool IsValidHttp(string http)
        {
            if (!Regex.IsMatch(http, Constant.REGEX_HTTP_STRING))
            {
                return false;
            }
            else
            {
                return true;
            }
        }

        /// <summary>
        /// 验证输入字符串是否为数字类型（包括带小数的数字）
        /// </summary>
        /// <param name="value">要验证的字符串</param>
        /// <returns>
        /// True：字符串是数字
        /// False：字符串不是数字
        /// </returns>
        public static bool IsNumeric(string value)
        {
            return System.Text.RegularExpressions.Regex.IsMatch(value, @"^[+-]?\d*[.]?\d*$");
        }

        /// <summary>
        /// 验证输入字符串是否为合法时间(HH:mm或者HH:mm:ss)
        /// </summary>
        /// <param name="value">要验证的字符串</param>
        /// <returns>
        /// True：字符串是合法时间(HH:mm或者HH:mm:ss)
        /// False：字符串不是合法时间(HH:mm或者HH:mm:ss)
        /// </returns>
        public static bool IsTime(string value)
        {
            return System.Text.RegularExpressions.Regex.IsMatch(value, @"^(([0-1]?[0-9])|([2][0-3])):([0-5]?[0-9])(:([0-5]?[0-9]))?$");
        }

        /// <summary>
        /// 验证输入字符串是否为合法日期(yyyy-MM-dd)
        /// </summary>
        /// <param name="value">要验证的字符串</param>
        /// <returns>
        /// True：字符串是合法日期(yyyy-MM-dd)
        /// False：字符串不是合法日期(yyyy-MM-dd)
        /// </returns>
        public static bool IsDate(string value)
        {
            return System.Text.RegularExpressions.Regex.IsMatch(value,
                @"^((?:19|20)\d\d)-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])$");
        }
        #endregion

        #region 二进制与文件之间转换
        /// <summary>
        /// 将文件转换成字节流
        /// </summary>
        /// <param name="filePath">文件的绝对路径</param>
        /// <returns>
        /// 文件的字节流
        /// </returns>
        public static byte[] GetBytesByFilePath(string filePath)
        {
            // 传入的值非法的情况下，返回NULL
            if (string.IsNullOrEmpty(filePath) || !File.Exists(filePath))
            {
                return null;
            }

            // 读取文件到字节流中
            FileStream fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read);
            BinaryReader binaryReader = new BinaryReader(fileStream);
            byte[] fileBytes = binaryReader.ReadBytes((int)fileStream.Length);
            fileStream.Flush();
            fileStream.Close();
            return fileBytes;
        }

        /// <summary>
        /// 将二进制转换成文件
        /// </summary>
        /// <param name="filePath">文件存放的全路径</param>
        /// <param name="fileByte">二进制文件</param>
        /// <returns>
        /// True：保存成功
        /// False：保存失败
        /// </returns>
        public static bool BinaryToFile(string filePath, byte[] fileByte)
        {
            if (string.IsNullOrEmpty(filePath) || fileByte == null)
            {
                return false;
            }
            try
            {
                FileStream filestream = File.Create(filePath, fileByte.Length);
                filestream.Write(fileByte, 0, fileByte.Length);
                return true;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        #endregion

        #region 图片与二进制之间转换
        /// <summary>
        /// 将图片文件序列化成二进制流
        /// </summary>
        /// <param name="imagePath">文件路径</param>
        /// <returns>二进制流文件</returns>
        public static MemoryStream ImageToBinary(string imagePath)
        {
            if (string.IsNullOrEmpty(imagePath) || !File.Exists(imagePath))
            {
                return null;
            }
            try
            {
                // 将图片文件序列化成二进制流文件
                Image image = new Bitmap(imagePath);
                MemoryStream memorystream = new MemoryStream();
                BinaryFormatter formatter = new BinaryFormatter();
                formatter.Serialize(memorystream, image);
                return memorystream;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 将二进制流反序列化成图片文件
        /// </summary>
        /// <param name="memoryStream">二进制流文件</param>
        /// <returns>图片文件</returns>
        public static Image StreamToImage(MemoryStream memoryStream)
        {
            if (memoryStream == null)
            {
                return null;
            }
            try
            {
                // 将流文件反序列化成图片文件
                memoryStream.Position = 0;
                BinaryFormatter formatter = new BinaryFormatter();
                return (Image)formatter.Deserialize(memoryStream);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 将二进制转换成图片文件
        /// </summary>
        /// <param name="imageBinary">二进制</param>
        /// <returns>image</returns>
        public static Image BinaryToImage(byte[] imageBinary)
        {
            if (imageBinary == null)
            {
                return null;
            }
            try
            {
                MemoryStream memoryStream = new MemoryStream(imageBinary);
                return Image.FromStream(memoryStream);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 根据Image对象转换成二进制
        /// </summary>
        /// <param name="image">image对象</param>
        /// <returns>
        /// 二进制数组
        /// </returns>
        public static byte[] ImageToByteArray(Image image)
        {
            if (image == null)
            {
                return null;
            }
            try
            {
                MemoryStream memoryStream = new MemoryStream();
                image.Save(memoryStream, ImageFormat.Jpeg);
                return memoryStream.ToArray();
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        #endregion

        #region Compare比较函数
        [Flags]
        public enum CompareType
        {
            None = 0,
            // DBNull.Value值与null值视为同一值
            DBNullAsNull = 1,
            // string.Empty值null值视为同一值
            EmptyAsNull = 2,
            // 全部都视为同一值
            All = DBNullAsNull | EmptyAsNull
        }

        /// <summary>
        /// 两个值比较函数
        /// </summary>
        /// <param name="value1">值1</param>
        /// <param name="value2">值2</param>
        /// <returns>
        /// True：两个值相等的情况
        /// False：两个值相等的以外情况
        /// </returns>
        public static bool Compare(object value1, object value2)
        {
            return Compare(value1, value2, CompareType.None);
        }

        /// <summary>
        /// 两个值比较函数
        /// </summary>
        /// <param name="value1">值1</param>
        /// <param name="value2">值2</param>
        /// <param name="compareFlag">比较方式</param>
        /// <returns>
        /// True：两个值相等的情况
        /// False：两个值相等的以外情况
        /// </returns>
        public static bool Compare(object value1, object value2, CompareType compareFlag)
        {
            bool isNull1 = (value1 == null);
            bool isNull2 = (value2 == null);

            if ((compareFlag & CompareType.DBNullAsNull) == CompareType.DBNullAsNull)
            {
                if (value1 == DBNull.Value)
                {
                    isNull1 = true;
                }
                if (value2 == DBNull.Value)
                {
                    isNull2 = true;
                }
            }
            if ((compareFlag & CompareType.EmptyAsNull) == CompareType.EmptyAsNull)
            {
                if (string.Empty.Equals(value1))
                {
                    isNull1 = true;
                }
                if (string.Empty.Equals(value2))
                {
                    isNull2 = true;
                }
            }

            if (isNull1 && isNull2)
            {
                return true;
            }

            if (value1 == null || value2 == null)
            {
                return false;
            }
            else
            {
                return CompareSub(value1, value2);
            }
        }

        /// <summary>
        /// 两个值比较函数
        /// </summary>
        /// <param name="value1">值1</param>
        /// <param name="value2">值2</param>
        /// <returns>
        /// True：两个值相等的情况
        /// False：两个值相等的以外情况
        /// </returns>
        private static bool CompareSub(object value1, object value2)
        {
            // 数据类型不一样的情况下，返回false
            if (value1.GetType().Equals(value2.GetType()) == false)
            {
                return false;
            }

            // 枚举比较的情况，不能使用Equals，需单独写方法比较
            if (value1 is System.Collections.IEnumerable
                && value2 is System.Collections.IEnumerable)
            {
                return CompareSub((System.Collections.IEnumerable)value1,
                                  (System.Collections.IEnumerable)value2);
            }
            else
            {
                return value1.Equals(value2);
            }
        }

        /// <summary>
        /// 两个枚举类型的比较
        /// </summary>
        /// <param name="enumerable1">值1</param>
        /// <param name="enumerable2">值2</param>
        /// <returns>
        /// True：两个值相等的情况
        /// False：两个值相等的以外情况
        /// </returns>
        private static bool CompareSub(System.Collections.IEnumerable enumerable1,
            System.Collections.IEnumerable enumerable2)
        {
            System.Collections.IEnumerator e1 = enumerable1.GetEnumerator();
            System.Collections.IEnumerator e2 = enumerable2.GetEnumerator();
            while (e1.MoveNext())
            {
                if (!e2.MoveNext())
                {
                    return false;
                }
                if (!e1.Current.Equals(e2.Current))
                {
                    return false;
                }
            }
            return !e2.MoveNext();
        }
        #endregion

        #region 校验数字
        /// <summary>
        /// 校验数据是否符合要求
        /// </summary>
        /// <param name="number">待验证的参数</param>
        /// <param name="numberName">待验证的参数名称</param>
        /// <param name="type">校验的种类</param>
        /// <returns>错误信息</returns>
        /// <remarks>
        /// 2012.10.8      	周兴      	新建
        /// </remarks>
        public static string IsValidNumber(string number, string numberName, byte type)
        {
            try
            {
                // 如果第一位是-，表面可能是负号，去掉之后进行校验
                if (!string.IsNullOrEmpty(number))
                {
                    if (number.IndexOf("-") == 0)
                    {
                        number = number.Substring(1);
                    }
                }
                string errorMsg = string.Empty;
                string maxNumber = string.Empty;
                string regex = string.Empty;

                // 验证Numeric(16,6)
                if (type == 1)
                {
                    regex = @"^(0|([1-9][0-9]{0,9}))(\.[0-9]{0,6})?$";
                    maxNumber = "9999999999.999999";
                }

                // 验证Numeric(14,6)
                else if (type == 2)
                {
                    regex = @"^(0|([1-9][0-9]{0,7}))(\.[0-9]{0,6})?$";
                    maxNumber = "99999999.999999";
                }

                // 验证Numeric(12,6)
                else if (type == 3)
                {
                    regex = @"^(0|([1-9][0-9]{0,5}))(\.[0-9]{0,6})?$";
                    maxNumber = "999999.999999";
                }

                // 验证Numeric(5,2)
                else if (type == 4)
                {
                    regex = @"^(0|([1-9][0-9]{0,2}))(\.[0-9]{0,2})?$";
                    maxNumber = "999.99";
                }

                // 验证Numeric(5,2)（采购返利方式的返点率）
                else if (type == 5)
                {
                    regex = @"^((0|([1-9][0-9]{0,1}))(\.[0-9]{0,2})?|(100(\.0{0,2})?))$";
                    maxNumber = "100.00";
                }

                // 验证Numeric(6,2)（系统参数舍零金额限制最大值1000.00）
                else if (type == 6)
                {
                    regex = @"^((0|([1-9][0-9]{0,2}))(\.[0-9]{0,2})?|(1000(\.0{0,2})?))$";
                    maxNumber = "1000.00";
                }

                // 验证Numeric(12,2)（任务策略中任务金额限制）
                else if (type == 7)
                {
                    regex = @"^(0|([1-9][0-9]{0,9}))(\.[0-9]{0,2})?$";
                    maxNumber = "9999999999.99";
                }

                // 验证Numeric(6,2)（商品编码中费用分摊系数）
                else if (type == 8)
                {
                    regex = @"^(0|([1-9][0-9]{0,3}))(\.[0-9]{0,2})?$";
                    maxNumber = "9999.99";
                }

                // 验证Numeric(9,2)（CA员工业绩岗位考核工资基数）
                else if (type == 9)
                {
                    regex = @"^(0|([1-9][0-9]{0,6}))(\.[0-9]{0,2})?$";
                    maxNumber = "9999999.99";
                }

                // 验证Numeric(3,2)（CA员工业绩提成比率）
                else if (type == 10)
                {
                    regex = @"^(0|([0-9]))(\.[0-9]{0,2})?$";
                    maxNumber = "9.99";
                }
                // 验证Numeric(3,1)（CB员工业绩提成比率）
                else if (type == 11)
                {
                    regex = @"^(0|([1-9][0-9]{0,1}))(\.[0-9]{0,1})?$";
                    maxNumber = "99.9";
                }

                // 验证Numeric(7,2)（店长提成策略出库净额递增额）
                else if (type == 12)
                {
                    regex = @"^(0|([1-9][0-9]{0,4}))(\.[0-9]{0,2})?$";
                    maxNumber = "99999.99";
                }

                if (!Regex.IsMatch(number, regex))
                {
                    //errorMsg = string.Format(Messages.MESSAGE_W004, numberName, maxNumber);
                }
                return errorMsg;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        #endregion

        #region 校验电话格式
        /// <summary>
        /// 校验电话是否符合格式
        /// </summary>
        /// <param name="telephone"></param>
        /// <returns></returns>
        public static bool IsValidTelephone(string telephone)
        {
            try
            {
                /**
                 * 手机号码
                 * 移动：134[0-8],135,136,137,138,139,150,151,157,158,159,182,187,188
                 * 联通：130,131,132,152,155,156,185,186
                 * 电信：133,1349,153,180,181,189
                 */
                string mobile = "^1(3[0-9]|5[0-35-9]|8[012345-9])\\d{8}$";
                /**
                 * 大陆地区固话及小灵通 区号和电话之间没有-
                 * 区号：010,020,021,022,023,024,025,027,028,029
                 * 号码：七位或八位
                 */
                string phs = "^0(10|2[0-5789]|\\d{3})\\d{7,8}$";

                if (!Regex.IsMatch(telephone, mobile) && !Regex.IsMatch(telephone, phs))
                {
                    return false;
                }
                return true;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        #endregion

        #region 验证规格是否符合计算面积格式
        /// <summary>
        /// 验证规格是否符合计算面积格式
        /// </summary>
        /// <param name="specification">规格</param>
        /// <returns></returns>
        public static bool IsValidAcreage(string specification)
        {
            try
            {
                string regex = @"^\d+\*\d+$";

                if (Regex.IsMatch(specification, regex))
                {
                    return true;
                }
                return false;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        #endregion

        #region 验证规格是否符合计算体积格式
        /// <summary>
        /// 验证规格是否符合计算体积格式
        /// </summary>
        /// <param name="specification">规格</param>
        /// <returns></returns>
        public static bool IsValidVolume(string specification)
        {
            try
            {
                string regex = @"^\d+\*\d+\*\d+$";

                if (Regex.IsMatch(specification, regex))
                {
                    return true;
                }
                return false;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        #endregion

        #region 长度与像素之间转换
        /// <summary>
        /// 1/100 英寸转换为毫米
        /// </summary>
        /// <remarks>
        /// 表示倍率 100%
        /// </remarks>
        /// <param name="pixel">1/100 英寸</param>
        /// <returns>毫米</returns>
        public static float Inch100ToMillimeter(int inch100)
        {
            float mm = inch100 * MILLIMETER_PER_INCH / 100;
            return mm;
        }

        /// <summary>
        /// 1/100 英寸转换为毫米
        /// </summary>
        /// <remarks>
        /// 表示倍率 100%
        /// </remarks>
        /// <param name="pixel">1/100 英寸</param>
        /// <returns>毫米</returns>
        public static float Inch100ToMillimeter(float inch100)
        {
            float mm = inch100 * MILLIMETER_PER_INCH / 100;
            return mm;
        }

        /// <summary>
        /// 磅转换为毫米
        /// </summary>
        /// <remarks>
        /// 表示倍率 100%
        /// </remarks>
        /// <param name="point">磅</param>
        /// <returns>毫米</returns>
        public static float PointToMillimeter(float point)
        {
            float mm = point / POINT_PER_INCH * MILLIMETER_PER_INCH;
            return mm;
        }

        /// <summary>
        /// 磅转换为像素
        /// </summary>
        /// <remarks>
        /// 表示倍率 100%
        /// </remarks>
        /// <param name="point">磅</param>
        /// <returns>像素</returns>
        public static int PointToPixel(float point)
        {
            decimal pixel = System.Convert.ToDecimal(point) /
                System.Convert.ToDecimal(POINT_PER_INCH) *
                System.Convert.ToDecimal(SCREEN_DPI);
            return System.Convert.ToInt32(Math.Round(pixel, 0));
        }

        /// <summary>
        /// 毫米转换为1/100 英寸
        /// </summary>
        /// <remarks>
        /// 表示倍率 100%
        /// </remarks>
        /// <param name="mm">毫米</param>
        /// <returns>1/100 英寸</returns>
        public static int MillimeterToInch100(float mm)
        {
            float inch100 = mm / MILLIMETER_PER_INCH * 100;
            return System.Convert.ToInt32(Math.Round(inch100, 0));
        }

        /// <summary>
        /// 毫米转换为1/100 英寸
        /// </summary>
        /// <remarks>
        /// 表示倍率 100%
        /// </remarks>
        /// <param name="mm">毫米</param>
        /// <returns>1/100 英寸</returns>
        public static float MillimeterToInch100Single(float mm)
        {
            float inch100 = mm / MILLIMETER_PER_INCH * 100;
            return inch100;
        }

        /// <summary>
        /// 毫米转换为像素
        /// </summary>
        /// <remarks>
        /// 表示倍率 100%
        /// </remarks>
        /// <param name="mm">毫米</param>
        /// <returns>像素</returns>
        public static int MillimeterToPixel(float mm)
        {
            decimal pixel = System.Convert.ToDecimal(mm) /
                System.Convert.ToDecimal(MILLIMETER_PER_INCH) *
                System.Convert.ToDecimal(SCREEN_DPI);
            return System.Convert.ToInt32(Math.Round(pixel, 0));
        }

        /// <summary>
        /// 毫米转换为像素
        /// </summary>
        /// <param name="mm">毫米</param>
        /// <param name="paperZoom">表示倍率%</param>
        /// <returns>像素</returns>
        public static int MillimeterToPixel(float mm, int paperZoom)
        {
            if (0 < paperZoom)
            {
                decimal pixel = System.Convert.ToDecimal(mm) /
                System.Convert.ToDecimal(MILLIMETER_PER_INCH) *
                System.Convert.ToDecimal(SCREEN_DPI) *
                System.Convert.ToDecimal(paperZoom) / 100m;
                return System.Convert.ToInt32(Math.Round(pixel, 0));
            }
            else
            {
                return 0;
            }
        }

        /// <summary>
        /// 毫米转换为像素
        /// </summary>
        /// <param name="mm">毫米</param>
        /// <param name="paperZoom">表示倍率%</param>
        /// <returns>像素</returns>
        public static int MillimeterToPixel(float mm, double paperZoom)
        {
            if (0 < paperZoom)
            {
                decimal pixel = System.Convert.ToDecimal(mm) /
                System.Convert.ToDecimal(MILLIMETER_PER_INCH) *
                System.Convert.ToDecimal(SCREEN_DPI) *
                System.Convert.ToDecimal(paperZoom);
                return System.Convert.ToInt32(Math.Round(pixel, 0));
            }
            else
            {
                return 0;
            }
        }

        /// <summary>
        /// 毫米转换为像素
        /// </summary>
        /// <param name="mm">毫米</param>
        /// <param name="paperZoom">表示倍率%</param>
        /// <returns>像素</returns>
        public static float MillimeterToPixelSingle(float mm, int paperZoom)
        {
            if (0 < paperZoom)
            {
                decimal pixel = System.Convert.ToDecimal(mm) /
                System.Convert.ToDecimal(MILLIMETER_PER_INCH) *
                System.Convert.ToDecimal(SCREEN_DPI) *
                System.Convert.ToDecimal(paperZoom) / 100m;
                return System.Convert.ToSingle(pixel);
            }
            else
            {
                return 0f;
            }
        }

        /// <summary>
        /// 像素转换为毫米
        /// </summary>
        /// <remarks>
        /// 表示倍率 100%
        /// </remarks>
        /// <param name="pixel">像素</param>
        /// <returns>毫米</returns>
        public static float PixelToMillimeter(int pixel)
        {
            decimal mm = System.Convert.ToDecimal(pixel) *
                System.Convert.ToDecimal(MILLIMETER_PER_INCH) /
                System.Convert.ToDecimal(SCREEN_DPI);
            return System.Convert.ToSingle(mm);
        }

        /// <summary>
        /// 像素转换为毫米
        /// </summary>
        /// <param name="pixel">像素</param>
        /// <param name="paperZoom">表示倍率%</param>
        /// <returns>毫米</returns>
        public static float PixelToMillimeter(int pixel, int paperZoom)
        {
            if (0 < paperZoom)
            {
                decimal mm = System.Convert.ToDecimal(pixel) *
                    System.Convert.ToDecimal(MILLIMETER_PER_INCH) /
                    System.Convert.ToDecimal(SCREEN_DPI) /
                    System.Convert.ToDecimal(paperZoom) * 100m;
                return System.Convert.ToSingle(mm);
            }
            else
            {
                return 0f;
            }
        }

        /// <summary>
        /// 像素转换为毫米
        /// </summary>
        /// <param name="pixel">像素</param>
        /// <param name="paperZoom">表示倍率%</param>
        /// <param name="dpi">DPI</param>
        /// <returns>毫米</returns>
        public static float PixelToMillimeter(int pixel, int paperZoom, float dpi)
        {
            if (0 < paperZoom)
            {
                decimal mm = System.Convert.ToDecimal(pixel) *
                    System.Convert.ToDecimal(MILLIMETER_PER_INCH) /
                    System.Convert.ToDecimal(dpi) /
                    System.Convert.ToDecimal(paperZoom) * 100m;
                return System.Convert.ToSingle(mm);
            }
            else
            {
                return 0f;
            }
        }

        /// <summary>
        /// 像素转换为毫米
        /// </summary>
        /// <param name="pixel">像素</param>
        /// <param name="paperZoom">表示倍率%</param>
        /// <returns>毫米</returns>
        public static float PixelToMillimeter(int pixel, double paperZoom)
        {
            if (0 < paperZoom)
            {
                decimal mm = System.Convert.ToDecimal(pixel) *
                    System.Convert.ToDecimal(MILLIMETER_PER_INCH) /
                    System.Convert.ToDecimal(SCREEN_DPI) /
                    System.Convert.ToDecimal(paperZoom);
                return System.Convert.ToSingle(mm);
            }
            else
            {
                return 0f;
            }
        }

        /// <summary>
        /// 截断到指定的精度。
        /// </summary>
        /// <param name="value">截断的目标</param>
        /// <param name="digits">精度</param>
        /// <returns>截断后的数值</returns>
        public static float Truncate(float value, int digits)
        {
            double v = Math.Pow(10, digits);
            return Convert.ToSingle(Math.Truncate((double)value * v) / v);
        }

        /// <summary>
        /// 截断到指定的精度。
        /// </summary>
        /// <param name="value">截断的目标</param>
        /// <param name="digits">精度</param>
        /// <returns>截断后的数值</returns>
        public static decimal Truncate(decimal value, int digits)
        {
            decimal v = (decimal)Math.Pow(10, digits);
            return Math.Truncate(value * v) / v;
        }
        #endregion

        #region 字符转成条码图片
        /// <summary>
        /// 根据条码生成条码图片
        /// </summary>
        /// <param name="barcode">条码字符</param>
        /// <returns>条码图片的Stream</returns>
        public static Image GetCode39Image(string barcode)
        {
            try
            {
                byte[] bytes = GetCode39Byte(barcode);
                MemoryStream ms = new MemoryStream(bytes);
                Image returnImage = Image.FromStream(ms);
                return returnImage;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 根据条码生成条码图片
        /// </summary>
        /// <param name="barcode">条码字符</param>
        /// <returns>条码图片的Stream</returns>
        public static Stream GetCode39Stream(string barcode)
        {
            try
            {
                byte[] bytes = GetCode39Byte(barcode);
                Stream stream = new MemoryStream(bytes);
                return stream;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 根据条码生成条码图片
        /// </summary>
        /// <param name="barcode">条码字符</param>
        /// <returns>条码图片的byte[]</returns>
        public static byte[] GetCode39Byte(string barcode)
        {
            try
            {
                MemoryStream memoryStream = new MemoryStream();
                Bitmap barcodeBitmap = GetCode39Bitmap(barcode);
                barcodeBitmap.Save(memoryStream, ImageFormat.Png);
                byte[] byteImage = new Byte[memoryStream.Length];
                byteImage = memoryStream.ToArray();
                return byteImage;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 根据条码生成条码图片
        /// </summary>
        /// <param name="barcode">条码字符</param>
        /// <returns>
        /// Bitmap条码图片
        /// </returns>
        public static Bitmap GetCode39Bitmap(string barcode)
        {
            try
            {
                int x = 5; // 左边界
                int y = 0; // 上边界
                int WidLength = 2; // 粗BarCode长度
                int NarrowLength = 1; // 细BarCode长度
                int BarCodeHeight = 50; // BarCode高度
                int intSourceLength = barcode.Length;
                string strEncode = "010010100"; // 编码字符串·初始值为 起始符号 *
                string AlphaBet = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-. $/+%*"; // Code39的字母

                string[] Code39 = //Code39的各字母对应码
            {
                   /**//* 0 */ "000110100",
                   /**//* 1 */ "100100001",
                   /**//* 2 */ "001100001",
                   /**//* 3 */ "101100000",
                   /**//* 4 */ "000110001",
                   /**//* 5 */ "100110000",
                   /**//* 6 */ "001110000",
                   /**//* 7 */ "000100101",
                   /**//* 8 */ "100100100",
                   /**//* 9 */ "001100100",
                   /**//* A */ "100001001",
                   /**//* B */ "001001001",
                   /**//* C */ "101001000",
                   /**//* D */ "000011001",
                   /**//* E */ "100011000",
                   /**//* F */ "001011000",
                   /**//* G */ "000001101",
                   /**//* H */ "100001100",
                   /**//* I */ "001001100",
                   /**//* J */ "000011100",
                   /**//* K */ "100000011",
                   /**//* L */ "001000011",
                   /**//* M */ "101000010",
                   /**//* N */ "000010011",
                   /**//* O */ "100010010",
                   /**//* P */ "001010010",
                   /**//* Q */ "000000111",
                   /**//* R */ "100000110",
                   /**//* S */ "001000110",
                   /**//* T */ "000010110",
                   /**//* U */ "110000001",
                   /**//* V */ "011000001",
                   /**//* W */ "111000000",
                   /**//* X */ "010010001",
                   /**//* Y */ "110010000",
                   /**//* Z */ "011010000",
                   /**//* - */ "010000101",
                   /**//* . */ "110000100",
                   /**//*' '*/ "011000100",
                   /**//* $ */ "010101000",
                   /**//* / */ "010100010",
                   /**//* + */ "010001010",
                   /**//* % */ "000101010",
                   /**//* * */ "010010100"
            };

                // 条码转成大写
                barcode = barcode.ToUpper();

                // 做成图片
                Bitmap objBitmap = new Bitmap(
                  ((WidLength * 3 + NarrowLength * 7) * (intSourceLength + 2)) + (x * 2),
                  BarCodeHeight + (y * 2));
                Graphics objGraphics = Graphics.FromImage(objBitmap);

                // 底色
                objGraphics.FillRectangle(Brushes.White, 0, 0, objBitmap.Width, objBitmap.Height);
                for (int i = 0; i < intSourceLength; i++)
                {
                    // 检查是否有非法字符
                    if (AlphaBet.IndexOf(barcode[i]) == -1 || barcode[i] == '*')
                    {
                        objGraphics.DrawString("含有非法字符",
                         SystemFonts.DefaultFont, Brushes.Red, x, y);
                        return objBitmap;
                    }
                    // 查表编码
                    strEncode = string.Format("{0}0{1}", strEncode, Code39[AlphaBet.IndexOf(barcode[i])]);
                }

                strEncode = string.Format("{0}0010010100", strEncode); // 补充结束符号 *
                int intEncodeLength = strEncode.Length; // 编码后边的长度
                int intBarWidth;

                for (int i = 0; i < intEncodeLength; i++) // 根据码画出Code39 BarCode
                {
                    intBarWidth = strEncode[i] == '1' ? WidLength : NarrowLength;
                    objGraphics.FillRectangle(i % 2 == 0 ? Brushes.Black : Brushes.White,
                      x, y, intBarWidth, BarCodeHeight);
                    x += intBarWidth;
                }
                return objBitmap;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        #endregion

        #region INI文件读写
        /// <summary>
        /// 写入INI文件
        /// </summary>
        /// <param name="section">节点名称[如[TypeName]]</param>
        /// <param name="key">键</param>
        /// <param name="value">值</param>
        /// <param name="filePath">文件路径</param>
        /// <returns></returns>
        public static long WriteIniFile(string section, string key, string value, string filePath)
        {
            try
            {
                return WritePrivateProfileString(section, key, value, filePath);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }

        /// <summary>
        /// 读取INI文件
        /// </summary>
        /// <param name="section">节点名称</param>
        /// <param name="key">键</param>
        /// <param name="filePath">文件路径</param>
        /// <returns></returns>
        public static string ReadIniFile(string section, string key, string filePath)
        {
            try
            {
                StringBuilder returnValue = new StringBuilder(1024);
                GetPrivateProfileString(section, key, "", returnValue, 1024, filePath);
                return returnValue.ToString();
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        #endregion

        #region DataGridView限制
        /// <summary>
        /// 设定DataGridView的排序方式
        /// </summary>
        /// <param name="dataGridView">需要设置排序的DataGridView</param>
        /// <param name="sortMode">排序方式</param>
        public static void SetDataGridViewColumnsSortMode(DataGridView dataGridView,
            DataGridViewColumnSortMode sortMode)
        {
            if (dataGridView == null)
            {
                return;
            }
            for (int i = 0; i < dataGridView.Columns.Count; i++)
            {
                dataGridView.Columns[i].SortMode = sortMode;
            }
        }

        #endregion

        #region 时间字符串转换成DateTime类型
        /// <summary>
        /// 时间字符串转换成DateTime类型
        /// </summary>
        /// <param name="serverTime">服务器时间</param>
        /// <param name="timeStr">时间格式字符串</param>
        /// <returns></returns>
        public static DateTime ConvertTimeStr(DateTime serverTime, string timeStr)
        {
            try
            {
                DateTime dateTime = serverTime;
                string[] times = timeStr.Split(':');

                if (times.Length == 3)
                {
                    dateTime = new DateTime(dateTime.Year, dateTime.Month,
                        dateTime.Day, Convert.ToInt16(times[0]), Convert.ToInt16(times[1]),
                        Convert.ToInt16(times[2]));
                }
                return dateTime;
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        #endregion

        public static int? ToNullableInt32(this object obj)
        {
            if (obj == null || obj == DBNull.Value)
            {
                return null;
            }
            return Convert.ToInt32(obj);
        }
    }
}