YG-MW-WCS/PLC.Siemens/Core/Extension/StringHelper.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;
using Core.Util.Common;

namespace Core.Util.Extension
{
    public static class StringHelper
    {
        #region 正则表达式

        private static readonly Regex WebUrlExpression = new Regex(
            @"(http|https)://([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?", RegexOptions.Singleline | RegexOptions.Compiled);

        private static readonly Regex EmailExpression =
            new Regex(@"^([0-9a-zA-Z]+[-._+&])*[0-9a-zA-Z]+@([-0-9a-zA-Z]+[.])+[a-zA-Z]{2,6}$",
                RegexOptions.Singleline | RegexOptions.Compiled);

        private static readonly Regex StripHtmlExpression = new Regex("<\\S[^><]*>",
            RegexOptions.IgnoreCase | RegexOptions.Singleline | RegexOptions.Multiline | RegexOptions.CultureInvariant |
            RegexOptions.Compiled);

        private static readonly char[] IllegalUrlCharacters =
        {
            ';', '/', '\\', '?', ':', '@', '&', '=', '+', '$', ',',
            '<', '>', '#', '%', '.', '!', '*', '\'', '"', '(', ')', '[', ']', '{', '}', '|', '^', '`', '~', '–', '‘',
            '’', '“', '”', '»', '«'
        };

        #endregion

        #region 字符串判断

        public static bool IsNullOrEmpty(this string target)
        {
            return target == null || target.Length <= 0 || string.IsNullOrEmpty(target);
        }

        /// <summary>是否空或者空白字符串</summary>
        public static bool IsNullOrWhiteSpace(this string value)
        {
            return value == null || value.All(char.IsWhiteSpace);
        }

        /// <summary> 合法URL </summary>
        public static bool IsWebUrl(this string target)
        {
            return !target.IsNullOrEmpty() && WebUrlExpression.IsMatch(target);
        }

        /// <summary> 合法邮箱地址 </summary>
        public static bool IsEmail(this string target)
        {
            return !target.IsNullOrEmpty() && EmailExpression.IsMatch(target);
        }

        #endregion

        #region 格式转换

        /// <summary> 字符串转Hash </summary>
        public static string Hash(this string target)
        {
            Argument.IsNotEmpty(target, "target");

            using (var md5 = MD5.Create())
            {
                var data = Encoding.Unicode.GetBytes(target);
                var hash = md5.ComputeHash(data);

                return Convert.ToBase64String(hash);
            }
        }

        /// <summary>字符串转数组 默认UTF8</summary>
        public static byte[] GetBytes(this string target, Encoding encoding = null)
        {
            if (target == null) return null;
            if (target == string.Empty) return new byte[0];

            if (encoding == null) encoding = Encoding.UTF8;
            return encoding.GetBytes(target);
        }

        /// <summary> 转脚本 </summary>
        public static string StripHtml(this string target)
        {
            return StripHtmlExpression.Replace(target, string.Empty);
        }

        /// <summary> 转GUID </summary>
        public static Guid ToGuid(this string target)
        {
            var result = Guid.Empty;

            if (!string.IsNullOrEmpty(target) && (target.Trim().Length == 22))
            {
                var encoded = string.Concat(target.Trim().Replace("-", "+").Replace("_", "/"), "==");

                try
                {
                    var base64 = Convert.FromBase64String(encoded);

                    result = new Guid(base64);
                }
                catch (FormatException)
                {
                }
            }

            return result;
        }

        /// <summary> 字符串转枚举 </summary>
        public static T ToEnum<T>(this string target, T defaultValue) where T : IComparable, IFormattable
        {
            var convertedValue = defaultValue;

            if (!string.IsNullOrEmpty(target))
            {
                try
                {
                    convertedValue = (T) Enum.Parse(typeof (T), target.Trim(), true);
                }
                catch (ArgumentException)
                {
                }
            }

            return convertedValue;
        }

        /// <summary> 合法URL </summary>
        public static string ToLegalUrl(this string target)
        {
            if (string.IsNullOrEmpty(target))
            {
                return target;
            }

            target = target.Trim();

            if (target.IndexOfAny(IllegalUrlCharacters) > -1)
            {
                foreach (var character in IllegalUrlCharacters)
                {
                    target = target.Replace(character.ToString(Constants.CurrentCulture), string.Empty);
                }
            }

            target = target.Replace(" ", "-");

            while (target.Contains("--"))
            {
                target = target.Replace("--", "-");
            }

            return target;
        }

        /// <summary> 对URL字符串进行编码 </summary>
        public static string UrlEncode(this string target)
        {
            return target;// HttpUtility.UrlEncode(target);
        }

        /// <summary> 对URL字符串进行解码 </summary>
        public static string UrlDecode(this string target)
        {
            return target;// HttpUtility.UrlDecode(target);
        }

        /// <summary> 将字符串最小限度地转换为 HTML 编码的字符串。 </summary>
        public static string AttributeEncode(this string target)
        {
            return target;// HttpUtility.HtmlAttributeEncode(target);
        }

        /// <summary> 将字符串转换为 HTML 编码的字符串。 </summary>
        public static string HtmlEncode(this string target)
        {
            return target;// HttpUtility.HtmlEncode(target);
        }

        /// <summary> 将已经为 HTTP 传输进行过 HTML 编码的字符串转换为已解码的字符串。 </summary>
        public static string HtmlDecode(this string target)
        {
            return target;// HttpUtility.HtmlDecode(target);
        }

        #endregion

        #region 截取扩展

        /// <summary>
        ///     截断补.
        /// </summary>
        public static string WrapAt(this string target, int index)
        {
            const int dotCount = 3;

            Argument.IsNotEmpty(target, "target");
            Argument.IsNotNegativeOrZero(index, "index");

            return target.Length <= index
                ? target
                : string.Concat(target.Substring(0, index - dotCount), new string('.', dotCount));
        }

        /// <summary>确保字符串以指定的另一字符串开始，不区分大小写</summary>
        public static string EnsureStart(this string target, string start)
        {
            if (start.IsNullOrEmpty()) return target;
            if (target.IsNullOrEmpty()) return start;

            if (target.StartsWith(start, StringComparison.OrdinalIgnoreCase)) return target;

            return start + target;
        }

        /// <summary>确保字符串以指定的另一字符串结束，不区分大小写</summary>
        public static string EnsureEnd(this string target, string end)
        {
            if (end.IsNullOrEmpty()) return target;
            if (target.IsNullOrEmpty()) return end;

            if (target.EndsWith(end, StringComparison.OrdinalIgnoreCase)) return target;

            return target + end;
        }

        /// <summary>从当前字符串开头移除另一字符串，不区分大小写，循环多次匹配前缀</summary>
        public static string TrimStart(this string target, params string[] starts)
        {
            if (target.IsNullOrEmpty()) return target;
            if (starts == null || starts.Length < 1 || string.IsNullOrEmpty(starts[0])) return target;

            for (var i = 0; i < starts.Length; i++)
            {
                if (target.StartsWith(starts[i], StringComparison.OrdinalIgnoreCase))
                {
                    target = target.Substring(starts[i].Length);
                    if (string.IsNullOrEmpty(target)) break;

                    // 从头开始
                    i = -1;
                }
            }
            return target;
        }

        /// <summary>从当前字符串结尾移除另一字符串，不区分大小写，循环多次匹配后缀</summary>
        public static string TrimEnd(this string target, params string[] ends)
        {
            if (target.IsNullOrEmpty()) return target;
            if (ends == null || ends.Length < 1 || string.IsNullOrEmpty(ends[0])) return target;

            for (var i = 0; i < ends.Length; i++)
            {
                if (target.EndsWith(ends[i], StringComparison.OrdinalIgnoreCase))
                {
                    target = target.Substring(0, target.Length - ends[i].Length);
                    if (string.IsNullOrEmpty(target)) break;

                    // 从头开始
                    i = -1;
                }
            }
            return target;
        }

        /// <summary>从字符串中检索子字符串，在指定头部字符串之后，指定尾部字符串之前</summary>
        public static string Substring(this string target, string after, string before = null, int startIndex = 0,
            int[] positions = null)
        {
            if (target.IsNullOrEmpty()) return target;
            if (after.IsNullOrEmpty() && before.IsNullOrEmpty()) return target;


            var p = -1;
            if (!string.IsNullOrEmpty(after))
            {
                p = target.IndexOf(after, startIndex, StringComparison.Ordinal);
                if (p < 0) return null;
                p += after.Length;

                // 记录位置
                if (positions != null && positions.Length > 0) positions[0] = p;
            }

            if (string.IsNullOrEmpty(before)) return target.Substring(p);

            var f = target.IndexOf(before, p >= 0 ? p : startIndex, StringComparison.Ordinal);
            if (f < 0) return null;

            // 记录位置
            if (positions != null && positions.Length > 1) positions[1] = f;

            if (p >= 0)
                return target.Substring(p, f - p);
            return target.Substring(0, f);
        }

        /// <summary>根据最大长度截取字符串，并允许以指定空白填充末尾</summary>
        public static string Cut(this string str, int maxLength, string pad = null)
        {
            if (str.IsNullOrEmpty() || maxLength <= 0 || str.Length < maxLength) return str;

            // 计算截取长度
            var len = maxLength;
            if (!pad.IsNullOrEmpty()) len -= pad.Length;
            if (len <= 0) return pad;

            return str.Substring(0, len) + pad;
        }

        /// <summary>根据最大长度截取字符串（二进制计算长度），并允许以指定空白填充末尾</summary>
        /// <remarks>默认采用Default编码进行处理，其它编码请参考本函数代码另外实现</remarks>
        /// <param name="str">字符串</param>
        /// <param name="maxLength">截取后字符串的最大允许长度，包含后面填充</param>
        /// <param name="pad">需要填充在后面的字符串，比如几个圆点</param>
        /// <param name="strict">严格模式时，遇到截断位置位于一个字符中间时，忽略该字符，否则包括该字符。默认true</param>
        /// <returns></returns>
        public static string CutBinary(this string str, int maxLength, string pad = null, bool strict = true)
        {
            if (string.IsNullOrEmpty(str) || maxLength <= 0 || str.Length < maxLength) return str;

            var encoding = Encoding.Default;

            var buf = encoding.GetBytes(str);
            if (buf.Length < maxLength) return str;

            // 计算截取字节长度
            var len = maxLength;
            if (!string.IsNullOrEmpty(pad)) len -= encoding.GetByteCount(pad);
            if (len <= 0) return pad;

            // 计算截取字符长度。避免把一个字符劈开
            int clen;
            while (true)
            {
                try
                {
                    clen = encoding.GetCharCount(buf, 0, len);
                    break;
                }
                catch (DecoderFallbackException)
                {
                    // 发生了回退，减少len再试
                    len--;
                }
            }
            // 可能过长，修正
            if (strict) while (encoding.GetByteCount(str.ToCharArray(), 0, clen) > len) clen--;

            return str.Substring(0, clen) + pad;
        }

        /// <summary>从当前字符串开头移除另一字符串以及之前的部分</summary>
        /// <param name="str">当前字符串</param>
        /// <param name="starts">另一字符串</param>
        /// <returns></returns>
        public static string CutStart(this string str, params string[] starts)
        {
            if (string.IsNullOrEmpty(str)) return str;
            if (starts == null || starts.Length < 1 || string.IsNullOrEmpty(starts[0])) return str;

            for (var i = 0; i < starts.Length; i++)
            {
                var p = str.IndexOf(starts[i], StringComparison.Ordinal);
                if (p >= 0)
                {
                    str = str.Substring(p + starts[i].Length);
                    if (string.IsNullOrEmpty(str)) break;
                }
            }
            return str;
        }

        /// <summary>从当前字符串结尾移除另一字符串以及之后的部分</summary>
        /// <param name="str">当前字符串</param>
        /// <param name="ends">另一字符串</param>
        /// <returns></returns>
        public static string CutEnd(this string str, params string[] ends)
        {
            if (string.IsNullOrEmpty(str)) return str;
            if (ends == null || ends.Length < 1 || string.IsNullOrEmpty(ends[0])) return str;

            for (var i = 0; i < ends.Length; i++)
            {
                var p = str.LastIndexOf(ends[i], StringComparison.Ordinal);
                if (p >= 0)
                {
                    str = str.Substring(0, p);
                    if (string.IsNullOrEmpty(str)) break;
                }
            }
            return str;
        }

        #endregion

        #region 匹配查找

        /// <summary>忽略大小写的字符串相等比较，判断是否以任意一个待比较字符串相等</summary>
        public static bool EqualIgnoreCase(this string target, params string[] strs)
        {
            return !target.IsNullOrEmpty() &&
                   strs.Any(item => string.Equals(target, item, StringComparison.OrdinalIgnoreCase));
        }

        /// <summary>忽略大小写的字符串开始比较，判断是否以任意一个待比较字符串开始</summary>
        public static bool StartsWithIgnoreCase(this string target, params string[] strs)
        {
            return !target.IsNullOrEmpty() &&
                   strs.Any(item => target.StartsWith(item, StringComparison.OrdinalIgnoreCase));
        }

        /// <summary>忽略大小写的字符串结束比较，判断是否以任意一个待比较字符串结束</summary>
        public static bool EndsWithIgnoreCase(this string target, params string[] strs)
        {
            return !target.IsNullOrEmpty() &&
                   strs.Any(item => target.EndsWith(item, StringComparison.OrdinalIgnoreCase));
        }
        public static int GetHashcode2(this string s)
        {
            if (string.IsNullOrEmpty(s)) return 0;

            unchecked
            {
                int hash = 23;
                foreach (char c in s)
                {
                    hash = (hash << 5) - hash + c;
                }
                if (hash < 0)
                {
                    hash = Math.Abs(hash);
                }
                return hash;
            }
        }
        #endregion

        #region 分隔

        /// <summary>拆分字符串，过滤空格，无效时返回空数组</summary>
        public static string[] Split(this string target, params string[] separators)
        {
            if (target.IsNullOrEmpty()) return new string[0];
            if (separators == null || separators.Length < 1 || separators.Length == 1 && separators[0].IsNullOrEmpty())
                separators = new[] {",", ";"};

            return target.Split(separators, StringSplitOptions.RemoveEmptyEntries);
        }

        /// <summary>拆分字符串成为整型数组，默认逗号分号分隔，无效时返回空数组</summary>
        public static int[] SplitAsInt(this string target, params string[] separators)
        {
            if (target.IsNullOrEmpty()) return new int[0];
            if (separators == null || separators.Length < 1) separators = new[] {",", ";"};

            var ss = target.Split(separators, StringSplitOptions.RemoveEmptyEntries);
            var list = new List<int>();
            foreach (var item in ss)
            {
                int id;
                if (!int.TryParse(item.Trim(), out id)) continue;

                list.Add(id);
            }

            return list.ToArray();
        }

        /// <summary>拆分字符串成为名值字典。逗号分号分组，等号分隔</summary>
        public static IDictionary<string, string> SplitAsDictionary(this string target, string nameValueSeparator = "=",
            params string[] separators)
        {
            var dic = new Dictionary<string, string>();
            if (target.IsNullOrWhiteSpace()) return dic;

            if (nameValueSeparator.IsNullOrEmpty()) nameValueSeparator = "=";
            if (separators == null || separators.Length < 1) separators = new[] {",", ";"};

            var ss = target.Split(separators, StringSplitOptions.RemoveEmptyEntries);
            if (ss.Length < 1) return null;

            foreach (var item in ss)
            {
                var p = item.IndexOf(nameValueSeparator, StringComparison.Ordinal);
                // 在前后都不行
                if (p <= 0 || p >= item.Length - 1) continue;

                var key = item.Substring(0, p).Trim();
                dic[key] = item.Substring(p + nameValueSeparator.Length).Trim();
            }

            return dic;
        }

        #endregion

        #region 功能扩展

        /// <summary> 安全字符串 </summary>
        public static string NullSafe(this string target)
        {
            return (target ?? string.Empty).Trim();
        }

        /// <summary> 字符串格式化 </summary>
        public static string FormatWith(this string target, params object[] args)
        {
            Argument.IsNotEmpty(target, "target");

            for (var i = 0; i < args.Length; i++)
            {
                if (args[i] is DateTime)
                {
                    if (target.Contains("{" + i + "}")) args[i] = ((DateTime) args[i]).ToFullString();
                }
            }

            return string.Format(target, args);
        }

        public static string Replace(this string target, ICollection<string> oldValues, string newValue)
        {
            oldValues.ForEach(oldValue => target = target.Replace(oldValue, newValue));
            return target;
        }

        #endregion

        #region 语音播放

        /// <summary>调用语音引擎说出指定话</summary>
        /// <param name="value"></param>
        public static void Speak(this string value)
        {
            //Speecher.Speak(value);
        }

        /// <summary>调用语音引擎说出指定话</summary>
        /// <param name="value"></param>
        public static void SpeakAsync(this string value)
        {
            //Speecher.SpeakAsync(value);
        }

        #endregion

        #region LD编辑距离算法

        /// <summary>编辑距离搜索，从词组中找到最接近关键字的若干匹配项</summary>
        /// <remarks>
        ///     算法代码由@Aimeast 独立完成。http://www.cnblogs.com/Aimeast/archive/2011/09/05/2167844.html
        /// </remarks>
        /// <param name="key">关键字</param>
        /// <param name="words">词组</param>
        /// <returns></returns>
        public static string[] LevenshteinSearch(string key, string[] words)
        {
            if (IsNullOrWhiteSpace(key)) return new string[0];

            var keys = key.Split(new[] {' ', '　'}, StringSplitOptions.RemoveEmptyEntries);

            foreach (var item in keys)
            {
                var maxDist = (item.Length - 1)/2;

                var q = from str in words
                    where item.Length <= str.Length
                          && Enumerable.Range(0, maxDist + 1)
                              .Any(dist =>
                              {
                                  return Enumerable.Range(0, Math.Max(str.Length - item.Length - dist + 1, 0))
                                      .Any(
                                          f =>
                                          {
                                              return LevenshteinDistance(item, str.Substring(f, item.Length + dist)) <=
                                                     maxDist;
                                          });
                              })
                    orderby str
                    select str;
                words = q.ToArray();
            }

            return words;
        }

        /// <summary>编辑距离</summary>
        /// <remarks>
        ///     又称Levenshtein距离（也叫做Edit Distance），是指两个字串之间，由一个转成另一个所需的最少编辑操作次数。
        ///     许可的编辑操作包括将一个字符替换成另一个字符，插入一个字符，删除一个字符。
        ///     算法代码由@Aimeast 独立完成。http://www.cnblogs.com/Aimeast/archive/2011/09/05/2167844.html
        /// </remarks>
        /// <param name="str1"></param>
        /// <param name="str2"></param>
        /// <returns></returns>
        public static int LevenshteinDistance(string str1, string str2)
        {
            var n = str1.Length;
            var m = str2.Length;
            var C = new int[n + 1, m + 1];
            int i, j, x, y, z;
            for (i = 0; i <= n; i++)
                C[i, 0] = i;
            for (i = 1; i <= m; i++)
                C[0, i] = i;
            for (i = 0; i < n; i++)
                for (j = 0; j < m; j++)
                {
                    x = C[i, j + 1] + 1;
                    y = C[i + 1, j] + 1;
                    if (str1[i] == str2[j])
                        z = C[i, j];
                    else
                        z = C[i, j] + 1;
                    C[i + 1, j + 1] = Math.Min(Math.Min(x, y), z);
                }
            return C[n, m];
        }

        #endregion

        #region LCS算法

        /// <summary>最长公共子序列搜索，从词组中找到最接近关键字的若干匹配项</summary>
        /// <remarks>
        ///     算法代码由@Aimeast 独立完成。http://www.cnblogs.com/Aimeast/archive/2011/09/05/2167844.html
        /// </remarks>
        /// <param name="key"></param>
        /// <param name="words"></param>
        /// <returns></returns>
        public static string[] LCSSearch(string key, string[] words)
        {
            if (IsNullOrWhiteSpace(key) || words == null || words.Length == 0) return new string[0];

            var keys = key
                .Split(new[] {' ', '\u3000'}, StringSplitOptions.RemoveEmptyEntries)
                .OrderBy(s => s.Length)
                .ToArray();

            //var q = from sentence in items.AsParallel()
            var q = from word in words
                let MLL = LCSDistance(word, keys)
                where MLL >= 0
                orderby (MLL + 0.5)/word.Length, word
                select word;

            return q.ToArray();
        }

        /// <summary>
        ///     最长公共子序列问题是寻找两个或多个已知数列最长的子序列。
        ///     一个数列 S，如果分别是两个或多个已知数列的子序列，且是所有符合此条件序列中最长的，则 S 称为已知序列的最长公共子序列。
        ///     The longest common subsequence (LCS) problem is to find the longest subsequence common to all sequences in a set of
        ///     sequences (often just two). Note that subsequence is different from a substring, see substring vs. subsequence. It
        ///     is a classic computer science problem, the basis of diff (a file comparison program that outputs the differences
        ///     between two files), and has applications in bioinformatics.
        /// </summary>
        /// <remarks>
        ///     算法代码由@Aimeast 独立完成。http://www.cnblogs.com/Aimeast/archive/2011/09/05/2167844.html
        /// </remarks>
        /// <param name="word"></param>
        /// <param name="keys">多个关键字。长度必须大于0，必须按照字符串长度升序排列。</param>
        /// <returns></returns>
        public static int LCSDistance(string word, string[] keys)
        {
            var sLength = word.Length;
            var result = sLength;
            var flags = new bool[sLength];
            var C = new int[sLength + 1, keys[keys.Length - 1].Length + 1];
            //int[,] C = new int[sLength + 1, words.Select(s => s.Length).Max() + 1];
            foreach (var key in keys)
            {
                var wLength = key.Length;
                int first = 0, last = 0;
                int i = 0, j = 0, LCS_L;
                //foreach 速度会有所提升，还可以加剪枝
                for (i = 0; i < sLength; i++)
                    for (j = 0; j < wLength; j++)
                        if (word[i] == key[j])
                        {
                            C[i + 1, j + 1] = C[i, j] + 1;
                            if (first < C[i, j])
                            {
                                last = i;
                                first = C[i, j];
                            }
                        }
                        else
                            C[i + 1, j + 1] = Math.Max(C[i, j + 1], C[i + 1, j]);

                LCS_L = C[i, j];
                if (LCS_L <= wLength >> 1)
                    return -1;

                while (i > 0 && j > 0)
                {
                    if (C[i - 1, j - 1] + 1 == C[i, j])
                    {
                        i--;
                        j--;
                        if (!flags[i])
                        {
                            flags[i] = true;
                            result--;
                        }
                        first = i;
                    }
                    else if (C[i - 1, j] == C[i, j])
                        i--;
                    else // if (C[i, j - 1] == C[i, j])
                        j--;
                }

                if (LCS_L <= (last - first + 1) >> 1)
                    return -1;
            }

            return result;
        }

        #endregion

        #region 执行命令行

        ///// <summary>以隐藏窗口执行命令行</summary>
        ///// <param name="cmd">文件名</param>
        ///// <param name="arguments">命令参数</param>
        ///// <param name="msWait">等待毫秒数</param>
        ///// <param name="output">进程输出内容。默认为空时输出到日志</param>
        ///// <param name="onExit">进程退出时执行</param>
        ///// <returns>进程退出代码</returns>
        //public static int Run(this string cmd, string arguments = null, int msWait = 0, Action<string> output = null, Action<Process> onExit = null)
        //{
        //    if (XTrace.Debug) XTrace.WriteLine("Run {0} {1} {2}", cmd, arguments, msWait);

        //    var p = new Process();
        //    var si = p.StartInfo;
        //    si.FileName = cmd;
        //    si.Arguments = arguments;
        //    si.WindowStyle = ProcessWindowStyle.Hidden;

        //    // 对于控制台项目，这里需要捕获输出
        //    if (msWait > 0)
        //    {
        //        si.RedirectStandardOutput = true;
        //        si.RedirectStandardError = true;
        //        si.UseShellExecute = false;
        //        if (output != null)
        //        {
        //            p.OutputDataReceived += (s, e) => output(e.Data);
        //            p.ErrorDataReceived += (s, e) => output(e.Data);
        //        }
        //        else if (HouDa.Runtime.IsConsole)
        //        {
        //            p.OutputDataReceived += (s, e) => XTrace.WriteLine(e.Data);
        //            p.ErrorDataReceived += (s, e) => XTrace.Current.Error(e.Data);
        //        }
        //    }
        //    if (onExit != null) p.Exited += (s, e) => onExit(s as Process);

        //    p.Start();
        //    if (msWait > 0 && (output != null || HouDa.Runtime.IsConsole))
        //    {
        //        p.BeginOutputReadLine();
        //        p.BeginErrorReadLine();
        //    }

        //    if (msWait <= 0) return -1;

        //    // 如果未退出，则不能拿到退出代码
        //    if (!p.WaitForExit(msWait)) return -1;

        //    return p.ExitCode;
        //}

        #endregion
    }
}