using System; using System.Collections.Generic; using System.Web; using System.Data; using System.Text.RegularExpressions; using System.Diagnostics; using System.Reflection; using System.Text; using System.IO; using System.Runtime.InteropServices; using System.Collections; using System.Configuration; using System.Security.Cryptography; using System.Drawing; using System.Web.Security; using System.Runtime.Serialization.Formatters.Binary; namespace ETD.Frame { /// ///处理字符串类 /// public class Utils { private static Regex RegexBr = new Regex(@"(\r\n)", RegexOptions.IgnoreCase); public static Regex RegexFont = new Regex(@"([\s\S]+?)", Utils.GetRegexCompiledOptions()); private static FileVersionInfo AssemblyFileVersion = FileVersionInfo.GetVersionInfo(Assembly.GetExecutingAssembly().Location); private static string TemplateCookieName = string.Format("dnttemplateid_{0}_{1}_{2}", AssemblyFileVersion.FileMajorPart, AssemblyFileVersion.FileMinorPart, AssemblyFileVersion.FileBuildPart); /// /// 得到正则编译参数设置 /// /// public static RegexOptions GetRegexCompiledOptions() { #if NET1 return RegexOptions.Compiled; #else return RegexOptions.None; #endif } /// /// 返回字符串真实长度, 1个汉字长度为2 /// /// public static int GetStringLength(string str) { return Encoding.Default.GetBytes(str).Length; } public static bool IsCompriseStr(string str, string stringarray, string strsplit) { if (stringarray == "" || stringarray == null) { return false; } str = str.ToLower(); string[] stringArray = Utils.SplitString(stringarray.ToLower(), strsplit); for (int i = 0; i < stringArray.Length; i++) { //string t1 = str; //string t2 = stringArray[i]; if (str.IndexOf(stringArray[i]) > -1) { return true; } } return false; } /// /// 判断指定字符串在指定字符串数组中的位置 /// /// 字符串 /// 字符串数组 /// 是否不区分大小写, true为不区分, false为区分 /// 字符串在指定字符串数组中的位置, 如不存在则返回-1 public static int GetInArrayID(string strSearch, string[] stringArray, bool caseInsensetive) { for (int i = 0; i < stringArray.Length; i++) { if (caseInsensetive) { if (strSearch.ToLower() == stringArray[i].ToLower()) { return i; } } else { if (strSearch == stringArray[i]) { return i; } } } return -1; } /// /// 判断指定字符串在指定字符串数组中的位置 /// /// 字符串 /// 字符串数组 /// 字符串在指定字符串数组中的位置, 如不存在则返回-1 public static int GetInArrayID(string strSearch, string[] stringArray) { return GetInArrayID(strSearch, stringArray, true); } /// /// 判断指定字符串是否属于指定字符串数组中的一个元素 /// /// 字符串 /// 字符串数组 /// 是否不区分大小写, true为不区分, false为区分 /// 判断结果 public static bool InArray(string strSearch, string[] stringArray, bool caseInsensetive) { return GetInArrayID(strSearch, stringArray, caseInsensetive) >= 0; } /// /// 判断指定字符串是否属于指定字符串数组中的一个元素 /// /// 字符串 /// 字符串数组 /// 判断结果 public static bool InArray(string str, string[] stringarray) { return InArray(str, stringarray, false); } /// /// 判断指定字符串是否属于指定字符串数组中的一个元素 /// /// 字符串 /// 内部以逗号分割单词的字符串 /// 判断结果 public static bool InArray(string str, string stringarray) { return InArray(str, SplitString(stringarray, ","), false); } /// /// 判断指定字符串是否属于指定字符串数组中的一个元素 /// /// 字符串 /// 内部以逗号分割单词的字符串 /// 分割字符串 /// 判断结果 public static bool InArray(string str, string stringarray, string strsplit) { return InArray(str, SplitString(stringarray, strsplit), false); } /// /// 判断指定字符串是否属于指定字符串数组中的一个元素 /// /// 字符串 /// 内部以逗号分割单词的字符串 /// 分割字符串 /// 是否不区分大小写, true为不区分, false为区分 /// 判断结果 public static bool InArray(string str, string stringarray, string strsplit, bool caseInsensetive) { return InArray(str, SplitString(stringarray, strsplit), caseInsensetive); } /// /// 删除字符串尾部的回车/换行/空格 /// /// /// public static string RTrim(string str) { for (int i = str.Length; i >= 0; i--) { if (str[i].Equals(" ") || str[i].Equals("\r") || str[i].Equals("\n")) { str.Remove(i, 1); } } return str; } /// /// 清除给定字符串中的回车及换行符 /// /// 要清除的字符串 /// 清除后返回的字符串 public static string ClearBR(string str) { //Regex r = null; Match m = null; //r = new Regex(@"(\r\n)",RegexOptions.IgnoreCase); for (m = RegexBr.Match(str); m.Success; m = m.NextMatch()) { str = str.Replace(m.Groups[0].ToString(), ""); } return str; } /// /// 从字符串的指定位置截取指定长度的子字符串并添加说明字符串 /// /// 原字符串 /// 子字符串的起始位置 /// 子字符串的长度 /// 添加被截字符串后的说明字符串 /// 子字符串 public static string CutString(string str, int startIndex, int length, string appendStr) { return str.Length >= length ? CutString(str, startIndex, length) + appendStr : str; } /// /// 从字符串的指定位置截取指定长度的子字符串 /// /// 原字符串 /// 子字符串的起始位置 /// 子字符串的长度 /// 子字符串 public static string CutString(string str, int startIndex, int length) { if (startIndex >= 0) { if (length < 0) { length = length * -1; if (startIndex - length < 0) { length = startIndex; startIndex = 0; } else { startIndex = startIndex - length; } } if (startIndex > str.Length) { return ""; } } else { if (length < 0) { return ""; } else { if (length + startIndex > 0) { length = length + startIndex; startIndex = 0; } else { return ""; } } } if (str.Length - startIndex < length) { length = str.Length - startIndex; } return str.Substring(startIndex, length); } public enum type { /// /// 标识对字符解码 /// unescape, /// /// 标识对字符加码 /// escape } /// /// 剩余时间的计算 使用方式 LTime(Eval("StartTime").ToString(), Eval("ProjectIndate").ToString() /// /// 开始时间 /// 延期时间 /// 剩余时间 public static string LTime(string StartTime, string Numer) { DateTime dTime = DateTime.Parse(StartTime); int INum = Int32.Parse(Numer); DateTime eTime = dTime.AddDays(INum); if (eTime < DateTime.Now) { return "已过期"; } else { TimeSpan ss = new TimeSpan(); ss = eTime.Subtract(DateTime.Now); return ss.Days + "天," + ss.Hours + "时"; } } public static string CutContent(string content, int length) { if (content.Length > length) { content = content.Substring(0, length) + "..."; } return content; } public static string GetParam(string paramname) { string myid = ""; string urlString = HttpContext.Current.Request.UrlReferrer.AbsoluteUri; string[] urlPas = urlString.Split(new string[] { "?", "=", "&" }, StringSplitOptions.RemoveEmptyEntries); for (int i = 0, count = urlPas.Length; i < count; i++) { if (urlPas[i].ToLower().Trim() == paramname.ToLower().Trim()) { if (i + 1 < count) { myid = urlPas[i + 1]; } else { myid = string.Empty; } break; } } return myid; } /// /// 处理数据字段长度 /// /// /// public static string SubStr(string str, int length) { if (str.Length > length) { return str.Substring(0, length) + "..."; } else { return str; } } /// /// 处理数据字段长度 /// /// /// public static string SubShopnameStr(string str, int length) { if (str.Length > length) { return str.Substring(0, length); } else { return str; } } /// /// 从字符串的指定位置开始截取到字符串结尾的了符串 /// /// 原字符串 /// 子字符串的起始位置 /// 子字符串 public static string CutString(string str, int startIndex) { return CutString(str, startIndex, str.Length); } /// /// 获得当前绝对路径 /// /// 指定的路径 /// 绝对路径 public static string GetMapPath(string strPath) { if (HttpContext.Current != null) { return HttpContext.Current.Server.MapPath(strPath); } else //非web程序引用 { return System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, strPath); } } /// /// 返回文件是否存在 /// /// 文件名 /// 是否存在 public static bool FileExists(string filename) { return System.IO.File.Exists(filename); } /// /// 判断文件名是否为浏览器可以直接显示的图片文件名 /// /// 文件名 /// 是否可以直接显示 public static bool IsImgFilename(string filename) { filename = filename.Trim(); if (filename.EndsWith(".") || filename.IndexOf(".") == -1) { return false; } string extname = filename.Substring(filename.LastIndexOf(".") + 1).ToLower(); return (extname == "jpg" || extname == "jpeg" || extname == "png" || extname == "bmp" || extname == "gif"); } /// /// int型转换为string型 /// /// 转换后的string类型结果 public static string IntToStr(int intValue) { // return Convert.ToString(intValue); } /// /// MD5函数 /// /// 原始字符串 /// MD5结果 public static string MD5(string str) { //byte[] b = Encoding.Default.GetBytes(str); //b = new MD5CryptoServiceProvider().ComputeHash(b); //string ret = ""; //for (int i = 0; i < b.Length; i++) // ret += b[i].ToString("x").PadLeft(2, '0'); return FormsAuthentication.HashPasswordForStoringInConfigFile(str, "MD5"); } /// /// SHA256函数 /// /// /// 原始字符串 /// SHA256结果 public static string SHA256(string str) { byte[] SHA256Data = Encoding.UTF8.GetBytes(str); SHA256Managed Sha256 = new SHA256Managed(); byte[] Result = Sha256.ComputeHash(SHA256Data); return Convert.ToBase64String(Result); //返回长度为44字节的字符串 } /// /// 字符串如果操过指定长度则将超出的部分用指定字符串代替 /// /// 要检查的字符串 /// 指定长度 /// 用于替换的字符串 /// 截取后的字符串 public static string GetSubString(string p_SrcString, int p_Length, string p_TailString) { return GetSubString(p_SrcString, 0, p_Length, p_TailString); } /// /// 取指定长度的字符串 /// /// 要检查的字符串 /// 起始位置 /// 指定长度 /// 用于替换的字符串 /// 截取后的字符串 public static string GetSubString(string p_SrcString, int p_StartIndex, int p_Length, string p_TailString) { string myResult = p_SrcString; //当是日文或韩文时(注:中文的范围:\u4e00 - \u9fa5, 日文在\u0800 - \u4e00, 韩文为\xAC00-\xD7A3) if (System.Text.RegularExpressions.Regex.IsMatch(p_SrcString, "[\u0800-\u4e00]+") || System.Text.RegularExpressions.Regex.IsMatch(p_SrcString, "[\xAC00-\xD7A3]+")) { //当截取的起始位置超出字段串长度时 if (p_StartIndex >= p_SrcString.Length) { return ""; } else { return p_SrcString.Substring(p_StartIndex, ((p_Length + p_StartIndex) > p_SrcString.Length) ? (p_SrcString.Length - p_StartIndex) : p_Length); } } if (p_Length >= 0) { byte[] bsSrcString = Encoding.Default.GetBytes(p_SrcString); //当字符串长度大于起始位置 if (bsSrcString.Length > p_StartIndex) { int p_EndIndex = bsSrcString.Length; //当要截取的长度在字符串的有效长度范围内 if (bsSrcString.Length > (p_StartIndex + p_Length)) { p_EndIndex = p_Length + p_StartIndex; } else { //当不在有效范围内时,只取到字符串的结尾 p_Length = bsSrcString.Length - p_StartIndex; p_TailString = ""; } int nRealLength = p_Length; int[] anResultFlag = new int[p_Length]; byte[] bsResult = null; int nFlag = 0; for (int i = p_StartIndex; i < p_EndIndex; i++) { if (bsSrcString[i] > 127) { nFlag++; if (nFlag == 3) { nFlag = 1; } } else { nFlag = 0; } anResultFlag[i] = nFlag; } if ((bsSrcString[p_EndIndex - 1] > 127) && (anResultFlag[p_Length - 1] == 1)) { nRealLength = p_Length + 1; } bsResult = new byte[nRealLength]; Array.Copy(bsSrcString, p_StartIndex, bsResult, 0, nRealLength); myResult = Encoding.Default.GetString(bsResult); myResult = myResult + p_TailString; } } return myResult; } /// /// 自定义的替换字符串函数 /// public static string ReplaceString(string SourceString, string SearchString, string ReplaceString, bool IsCaseInsensetive) { return Regex.Replace(SourceString, Regex.Escape(SearchString), ReplaceString, IsCaseInsensetive ? RegexOptions.IgnoreCase : RegexOptions.None); } /// /// 生成指定数量的html空格符号 /// public static string Spaces(int nSpaces) { StringBuilder sb = new StringBuilder(); for (int i = 0; i < nSpaces; i++) { sb.Append("   "); } return sb.ToString(); } /// /// 检测是否符合email格式 /// /// 要判断的email字符串 /// 判断结果 public static bool IsValidEmail(string strEmail) { return Regex.IsMatch(strEmail, @"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$"); } public static bool IsValidDoEmail(string strEmail) { return Regex.IsMatch(strEmail, @"^@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$"); } /// /// 检测是否是正确的Url /// /// 要验证的Url /// 判断结果 public static bool IsURL(string strUrl) { return Regex.IsMatch(strUrl, @"^(http|https)\://([a-zA-Z0-9\.\-]+(\:[a-zA-Z0-9\.&%\$\-]+)*@)*((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|localhost|([a-zA-Z0-9\-]+\.)*[a-zA-Z0-9\-]+\.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{1,10}))(\:[0-9]+)*(/($|[a-zA-Z0-9\.\,\?\'\\\+&%\$#\=~_\-]+))*$"); } public static string GetEmailHostName(string strEmail) { if (strEmail.IndexOf("@") < 0) { return ""; } return strEmail.Substring(strEmail.LastIndexOf("@")).ToLower(); } /// /// 判断是否为base64字符串 /// /// /// public static bool IsBase64String(string str) { //A-Z, a-z, 0-9, +, /, = return Regex.IsMatch(str, @"[A-Za-z0-9\+\/\=]"); } /// /// 检测是否有Sql危险字符 /// /// 要判断字符串 /// 判断结果 public static bool IsSafeSqlString(string str) { return !Regex.IsMatch(str, @"[-|;|,|\/|\(|\)|\[|\]|\}|\{|%|@|\*|!|\']"); } /// /// 检测是否有危险的可能用于链接的字符串 /// /// 要判断字符串 /// 判断结果 public static bool IsSafeUserInfoString(string str) { return !Regex.IsMatch(str, @"^\s*$|^c:\\con\\con$|[%,\*" + "\"" + @"\s\t\<\>\&]|游客|^Guest"); } /// /// 清理字符串 /// public static string CleanInput(string strIn) { return Regex.Replace(strIn.Trim(), @"[^\w\.@-]", ""); } /// /// 返回URL中结尾的文件名 /// public static string GetFilename(string url) { if (url == null) { return ""; } string[] strs1 = url.Split(new char[] { '/' }); return strs1[strs1.Length - 1].Split(new char[] { '?' })[0]; } /// /// 根据阿拉伯数字返回月份的名称(可更改为某种语言) /// public static string[] Monthes { get { return new string[] { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" }; } } /// /// 替换回车换行符为html换行符 /// public static string StrFormat(string str) { string str2; if (str == null) { str2 = ""; } else { str = str.Replace("\r\n", "
"); str = str.Replace("\n", "
"); str2 = str; } return str2; } /// /// 返回标准日期格式string /// public static string GetDate() { return DateTime.Now.ToString("yyyy-MM-dd"); } /// /// 返回指定日期格式 /// public static string GetDate(string datetimestr, string replacestr) { if (datetimestr == null) { return replacestr; } if (datetimestr.Equals("")) { return replacestr; } try { datetimestr = Convert.ToDateTime(datetimestr).ToString("yyyy-MM-dd").Replace("1900-01-01", replacestr); } catch { return replacestr; } return datetimestr; } /// /// 返回标准时间格式string /// public static string GetTime() { return DateTime.Now.ToString("HH:mm:ss"); } /// /// 返回标准时间格式string /// public static string GetDateTime() { return DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"); } /// /// 返回相对于当前时间的相对天数 /// public static string GetDateTime(int relativeday) { return DateTime.Now.AddDays(relativeday).ToString("yyyy-MM-dd HH:mm:ss"); } /// /// 返回标准时间格式string /// public static string GetDateTimeF() { return DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:fffffff"); } /// /// 返回标准时间 /// public static string GetStandardDateTime(string fDateTime, string formatStr) { if (fDateTime == "0000-0-0 0:00:00") { return fDateTime; } DateTime s = Convert.ToDateTime(fDateTime); return s.ToString(formatStr); } /// /// 返回标准时间 yyyy-MM-dd HH:mm:ss /// public static string GetStandardDateTime(string fDateTime) { return GetStandardDateTime(fDateTime, "yyyy-MM-dd HH:mm:ss"); } /// /// /// /// public static bool IsTime(string timeval) { return Regex.IsMatch(timeval, @"^((([0-1]?[0-9])|(2[0-3])):([0-5]?[0-9])(:[0-5]?[0-9])?)$"); } /// /// 改正sql语句中的转义字符 /// public static string mashSQL(string str) { string str2; if (str == null) { str2 = ""; } else { str = str.Replace("\'", "'"); str2 = str; } return str2; } /// /// 替换sql语句中的有问题符号 /// public static string ChkSQL(string str) { string str2; if (str == null) { str2 = ""; } else { str = str.Replace("'", "''"); str2 = str; } return str2; } /// /// 分割字符串 /// public static string[] SplitString(string strContent, string strSplit) { if (strContent.IndexOf(strSplit) < 0) { string[] tmp = { strContent }; return tmp; } return Regex.Split(strContent, Regex.Escape(strSplit), RegexOptions.IgnoreCase); } /// /// 分割字符串 /// /// public static string[] SplitString(string strContent, string strSplit, int p_3) { string[] result = new string[p_3]; string[] splited = SplitString(strContent, strSplit); for (int i = 0; i < p_3; i++) { if (i < splited.Length) result[i] = splited[i]; else result[i] = string.Empty; } return result; } /// /// 替换html字符 /// public static string EncodeHtml(string strHtml) { if (strHtml != "") { strHtml = strHtml.Replace(",", "&def"); strHtml = strHtml.Replace("'", "&dot"); strHtml = strHtml.Replace(";", "&dec"); return strHtml; } return ""; } //public static string ClearHtml(string strHtml) //{ // if (strHtml != "") // { // r = Regex.Replace(@"<\/?[^>]*>",RegexOptions.IgnoreCase); // for (m = r.Match(strHtml); m.Success; m = m.NextMatch()) // { // strHtml = strHtml.Replace(m.Groups[0].ToString(),""); // } // } // return strHtml; //} /// /// 进行指定的替换(脏字过滤) /// public static string StrFilter(string str, string bantext) { string text1 = ""; string text2 = ""; string[] textArray1 = SplitString(bantext, "\r\n"); for (int num1 = 0; num1 < textArray1.Length; num1++) { text1 = textArray1[num1].Substring(0, textArray1[num1].IndexOf("=")); text2 = textArray1[num1].Substring(textArray1[num1].IndexOf("=") + 1); str = str.Replace(text1, text2); } return str; } /// /// 返回 HTML 字符串的编码结果 /// /// 字符串 /// 编码结果 public static string HtmlEncode(string str) { return HttpUtility.HtmlEncode(str); } /// /// 返回 HTML 字符串的解码结果 /// /// 字符串 /// 解码结果 public static string HtmlDecode(string str) { return HttpUtility.HtmlDecode(str); } /// /// 返回 URL 字符串的编码结果 /// /// 字符串 /// 编码结果 public static string UrlEncode(string str) { return HttpUtility.UrlEncode(str); } /// /// 返回 URL 字符串的编码结果 /// /// 字符串 /// 解码结果 public static string UrlDecode(string str) { return HttpUtility.UrlDecode(str); } /// /// 返回指定目录下的非 UTF8 字符集文件 /// /// 路径 /// 文件名的字符串数组 public static string[] FindNoUTF8File(string Path) { //System.IO.StreamReader reader = null; StringBuilder filelist = new StringBuilder(); DirectoryInfo Folder = new DirectoryInfo(Path); //System.IO.DirectoryInfo[] subFolders = Folder.GetDirectories(); /* for (int i=0;i /// 判断文件流是否为UTF8字符集 /// /// 文件流 /// 判断结果 private static bool IsUTF8(FileStream sbInputStream) { int i; byte cOctets; // octets to go in this UTF-8 encoded character byte chr; bool bAllAscii = true; long iLen = sbInputStream.Length; cOctets = 0; for (i = 0; i < iLen; i++) { chr = (byte)sbInputStream.ReadByte(); if ((chr & 0x80) != 0) bAllAscii = false; if (cOctets == 0) { if (chr >= 0x80) { do { chr <<= 1; cOctets++; } while ((chr & 0x80) != 0); cOctets--; if (cOctets == 0) return false; } } else { if ((chr & 0xC0) != 0x80) { return false; } cOctets--; } } if (cOctets > 0) { return false; } if (bAllAscii) { return false; } return true; } /// /// 格式化字节数字符串 /// /// /// public static string FormatBytesStr(int bytes) { if (bytes > 1073741824) { return ((double)(bytes / 1073741824)).ToString("0") + "G"; } if (bytes > 1048576) { return ((double)(bytes / 1048576)).ToString("0") + "M"; } if (bytes > 1024) { return ((double)(bytes / 1024)).ToString("0") + "K"; } return bytes.ToString() + "Bytes"; } /// /// 返回相差的秒数 /// /// /// /// public static int StrDateDiffSeconds(string Time, int Sec) { TimeSpan ts = DateTime.Now - DateTime.Parse(Time).AddSeconds(Sec); if (ts.TotalSeconds > int.MaxValue) { return int.MaxValue; } else if (ts.TotalSeconds < int.MinValue) { return int.MinValue; } return (int)ts.TotalSeconds; } /// /// 返回相差的分钟数 /// /// /// /// public static int StrDateDiffMinutes(string time, int minutes) { if (time == "" || time == null) return 1; TimeSpan ts = DateTime.Now - DateTime.Parse(time).AddMinutes(minutes); if (ts.TotalMinutes > int.MaxValue) { return int.MaxValue; } else if (ts.TotalMinutes < int.MinValue) { return int.MinValue; } return (int)ts.TotalMinutes; } /// /// 返回相差的小时数 /// /// /// /// public static int StrDateDiffHours(string time, int hours) { if (time == "" || time == null) return 1; TimeSpan ts = DateTime.Now - DateTime.Parse(time).AddHours(hours); if (ts.TotalHours > int.MaxValue) { return int.MaxValue; } else if (ts.TotalHours < int.MinValue) { return int.MinValue; } return (int)ts.TotalHours; } /// /// 建立文件夹 /// /// /// public static bool CreateDir(string name) { return Utils.MakeSureDirectoryPathExists(name); } /// /// 为脚本替换特殊字符串 /// /// /// public static string ReplaceStrToScript(string str) { str = str.Replace("\\", "\\\\"); str = str.Replace("'", "\\'"); str = str.Replace("\"", "\\\""); return str; } /// /// 是否为ip /// /// /// public static bool IsIP(string ip) { return Regex.IsMatch(ip, @"^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$"); } public static bool IsIPSect(string ip) { return Regex.IsMatch(ip, @"^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){2}((2[0-4]\d|25[0-5]|[01]?\d\d?|\*)\.)(2[0-4]\d|25[0-5]|[01]?\d\d?|\*)$"); } /// /// 返回指定IP是否在指定的IP数组所限定的范围内, IP数组内的IP地址可以使用*表示该IP段任意, 例如192.168.1.* /// /// /// /// public static bool InIPArray(string ip, string[] iparray) { string[] userip = Utils.SplitString(ip, @"."); for (int ipIndex = 0; ipIndex < iparray.Length; ipIndex++) { string[] tmpip = Utils.SplitString(iparray[ipIndex], @"."); int r = 0; for (int i = 0; i < tmpip.Length; i++) { if (tmpip[i] == "*") { return true; } if (userip.Length > i) { if (tmpip[i] == userip[i]) { r++; } else { break; } } else { break; } } if (r == 4) { return true; } } return false; } /// /// 获得Assembly版本号 /// /// public static string GetAssemblyVersion() { return string.Format("{0}.{1}.{2}", AssemblyFileVersion.FileMajorPart, AssemblyFileVersion.FileMinorPart, AssemblyFileVersion.FileBuildPart); } /// /// 获得Assembly产品名称 /// /// public static string GetAssemblyProductName() { return AssemblyFileVersion.ProductName; } /// /// 获得Assembly产品版权 /// /// public static string GetAssemblyCopyright() { return AssemblyFileVersion.LegalCopyright; } /// /// 创建目录 /// /// 名称 /// 创建是否成功 [DllImport("dbgHelp", SetLastError = true)] private static extern bool MakeSureDirectoryPathExists(string name); /// /// 写cookie值 /// /// 名称 /// 值 public static void WriteCookie(string strName, string strValue) { HttpCookie cookie = HttpContext.Current.Request.Cookies[strName]; if (cookie == null) { cookie = new HttpCookie(strName); } cookie.Value = strValue; HttpContext.Current.Response.AppendCookie(cookie); } /// /// 写cookie值 /// /// 名称 /// 值 /// 过期时间(分钟) public static void WriteCookie(string strName, string strValue, int expires) { HttpCookie cookie = HttpContext.Current.Request.Cookies[strName]; if (cookie == null) { cookie = new HttpCookie(strName); } cookie.Value = strValue; cookie.Expires = DateTime.Now.AddMinutes(expires); HttpContext.Current.Response.AppendCookie(cookie); } /// /// 读cookie值 /// /// 名称 /// cookie值 public static string GetCookie(string strName) { if (HttpContext.Current.Request.Cookies != null && HttpContext.Current.Request.Cookies[strName] != null) { return HttpContext.Current.Request.Cookies[strName].Value.ToString(); } return ""; } /// /// 得到论坛的真实路径 /// /// public static string GetTrueForumPath() { string forumPath = HttpContext.Current.Request.Path; if (forumPath.LastIndexOf("/") != forumPath.IndexOf("/")) { forumPath = forumPath.Substring(forumPath.IndexOf("/"), forumPath.LastIndexOf("/") + 1); } else { forumPath = "/"; } return forumPath; } /// /// 判断字符串是否是yy-mm-dd字符串 /// /// 待判断字符串 /// 判断结果 public static bool IsDateString(string str) { return Regex.IsMatch(str, @"(\d{4})-(\d{1,2})-(\d{1,2})"); } /// /// 移除Html标记 /// /// /// public static string RemoveHtml(string content) { string regexstr = @"<[^>]*>"; return Regex.Replace(content, regexstr, string.Empty, RegexOptions.IgnoreCase); } /// /// 过滤HTML中的不安全标签 /// /// /// public static string RemoveUnsafeHtml(string content) { content = Regex.Replace(content, @"(\<|\s+)o([a-z]+\s?=)", "$1$2", RegexOptions.IgnoreCase); content = Regex.Replace(content, @"(script|frame|form|meta|behavior|style)([\s|:|>])+", "$1.$2", RegexOptions.IgnoreCase); return content; } /// /// 将用户组Title中的font标签去掉 /// /// 用户组Title /// public static string RemoveFontTag(string title) { Match m = RegexFont.Match(title); if (m.Success) { return m.Groups[1].Value; } return title; } /// /// 从HTML中获取文本,保留br,p,img /// /// /// public static string GetTextFromHTML(string HTML) { System.Text.RegularExpressions.Regex regEx = new System.Text.RegularExpressions.Regex(@"]*>", System.Text.RegularExpressions.RegexOptions.IgnoreCase); return regEx.Replace(HTML, ""); } public static string AdDeTime(int times) { string newtime = (DateTime.Now).AddMinutes(times).ToString(); return newtime; } /// /// 验证是否为正整数 /// /// /// public static bool IsInt(string str) { return Regex.IsMatch(str, @"^[0-9]*$"); } public static bool IsRuleTip(Hashtable NewHash, string ruletype, out string key) { key = ""; foreach (DictionaryEntry str in NewHash) { try { string[] single = SplitString(str.Value.ToString(), "\r\n"); foreach (string strs in single) { if (strs != "") switch (ruletype.Trim().ToLower()) { case "email": if (IsValidDoEmail(strs.ToString()) == false) throw new Exception(); break; case "ip": if (IsIPSect(strs.ToString()) == false) throw new Exception(); break; case "timesect": string[] splitetime = strs.Split('-'); if (Utils.IsTime(splitetime[1].ToString()) == false || Utils.IsTime(splitetime[0].ToString()) == false) throw new Exception(); break; } } } catch { key = str.Key.ToString(); return false; } } return true; } /// /// 删除最后一个字符 /// /// /// public static string ClearLastChar(string str) { if (str == "") return ""; else return str.Substring(0, str.Length - 1); } /// /// 备份文件 /// /// 源文件名 /// 目标文件名 /// 当目标文件存在时是否覆盖 /// 操作是否成功 public static bool BackupFile(string sourceFileName, string destFileName, bool overwrite) { if (!System.IO.File.Exists(sourceFileName)) { throw new FileNotFoundException(sourceFileName + "文件不存在!"); } if (!overwrite && System.IO.File.Exists(destFileName)) { return false; } try { System.IO.File.Copy(sourceFileName, destFileName, true); return true; } catch (Exception e) { throw e; } } /// /// 备份文件,当目标文件存在时覆盖 /// /// 源文件名 /// 目标文件名 /// 操作是否成功 public static bool BackupFile(string sourceFileName, string destFileName) { return BackupFile(sourceFileName, destFileName, true); } /// /// 恢复文件 /// /// 备份文件名 /// 要恢复的文件名 /// 要恢复文件再次备份的名称,如果为null,则不再备份恢复文件 /// 操作是否成功 public static bool RestoreFile(string backupFileName, string targetFileName, string backupTargetFileName) { try { if (!System.IO.File.Exists(backupFileName)) { throw new FileNotFoundException(backupFileName + "文件不存在!"); } if (backupTargetFileName != null) { if (!System.IO.File.Exists(targetFileName)) { throw new FileNotFoundException(targetFileName + "文件不存在!无法备份此文件!"); } else { System.IO.File.Copy(targetFileName, backupTargetFileName, true); } } System.IO.File.Delete(targetFileName); System.IO.File.Copy(backupFileName, targetFileName); } catch (Exception e) { throw e; } return true; } public static bool RestoreFile(string backupFileName, string targetFileName) { return RestoreFile(backupFileName, targetFileName, null); } /// /// 获取记录模板id的cookie名称 /// /// public static string GetTemplateCookieName() { return TemplateCookieName; } /// /// 将全角数字转换为数字 /// /// /// public static string SBCCaseToNumberic(string SBCCase) { char[] c = SBCCase.ToCharArray(); for (int i = 0; i < c.Length; i++) { byte[] b = System.Text.Encoding.Unicode.GetBytes(c, i, 1); if (b.Length == 2) { if (b[1] == 255) { b[0] = (byte)(b[0] + 32); b[1] = 0; c[i] = System.Text.Encoding.Unicode.GetChars(b)[0]; } } } return new string(c); } /// /// 将字符串转换为Color /// /// /// public static Color ToColor(string color) { int red, green, blue = 0; char[] rgb; color = color.TrimStart('#'); color = Regex.Replace(color.ToLower(), "[g-zG-Z]", ""); switch (color.Length) { case 3: rgb = color.ToCharArray(); red = Convert.ToInt32(rgb[0].ToString() + rgb[0].ToString(), 16); green = Convert.ToInt32(rgb[1].ToString() + rgb[1].ToString(), 16); blue = Convert.ToInt32(rgb[2].ToString() + rgb[2].ToString(), 16); return Color.FromArgb(red, green, blue); case 6: rgb = color.ToCharArray(); red = Convert.ToInt32(rgb[0].ToString() + rgb[1].ToString(), 16); green = Convert.ToInt32(rgb[2].ToString() + rgb[3].ToString(), 16); blue = Convert.ToInt32(rgb[4].ToString() + rgb[5].ToString(), 16); return Color.FromArgb(red, green, blue); default: return Color.FromName(color); } } public static void CheckSql() { string jk1986_sql = "exec↓select↓drop↓alter↓exists↓union↓order↓execute↓xp_cmdshell↓insert↓update↓delete↓declare↓sp_oacreate↓wscript.shell↓xp_regwrite"; string[] jk_sql = jk1986_sql.Split('↓'); foreach (string jk in jk_sql) { // -----------------------防 Post 注入----------------------- if (System.Web.HttpContext.Current.Request.Form != null) { for (int k = 0; k < System.Web.HttpContext.Current.Request.Form.Count; k++) { string getsqlkey = System.Web.HttpContext.Current.Request.Form.Keys[k]; if (getsqlkey != "__VIEWSTATE") { string getip; if (System.Web.HttpContext.Current.Request.Form[getsqlkey].ToLower().Contains(jk) == true) { System.Web.HttpContext.Current.Response.Write("