public class Utils { #region MD5加密 public static string MD5(string pwd) { MD5 md5 = new MD5CryptoServiceProvider(); byte[] data = System.Text.Encoding.Default.GetBytes(pwd); byte[] md5data = md5.ComputeHash(data); md5.Clear(); string str = ""; for (int i = 0; i < md5data.Length; i++) { str += md5data[i].ToString("x").PadLeft(2, '0'); } return str; } /// <summary> /// 获取文件的md5 /// </summary> /// <param>文件路径，url路径</param> /// <returns>md5字符串</returns> string GetMD5HashFromFile(string filepath) { try { WebClient wc = new WebClient(); var file = wc.OpenRead(new Uri(filepath)); System.Security.Cryptography.MD5 md5 = new System.Security.Cryptography.MD5CryptoServiceProvider(); byte[] retVal = md5.ComputeHash(file); file.Close(); StringBuilder sb = new StringBuilder(); for (int i = 0; i < retVal.Length; i++) { sb.Append(retVal[i].ToString("x2")); } return sb.ToString(); } catch (Exception ex) { throw new Exception("GetMD5HashFromFile() fail,error:" + ex.Message); } } #endregion #region 对象转换处理 /// <summary> /// 判断对象是否为Int32类型的数字 /// </summary> /// <param></param> /// <returns></returns> public static bool IsNumeric(object expression) { if (expression != null) return IsNumeric(expression.ToString()); return false; } /// <summary> /// 判断对象是否为Int32类型的数字 /// </summary> /// <param></param> /// <returns></returns> public static bool IsNumeric(string expression) { if (expression != null) { string str = expression; if (str.Length > 0 && str.Length <= 11 && Regex.IsMatch(str, @"^[-]?[0-9]*[.]?[0-9]*$")) { if ((str.Length < 10) || (str.Length == 10 && str[0] == '1') || (str.Length == 11 && str[0] == '-' && str[1] == '1')) return true; } } return false; } /// <summary> /// 是否为Double类型 /// </summary> /// <param></param> /// <returns></returns> public static bool IsDouble(object expression) { if (expression != null) return Regex.IsMatch(expression.ToString(), @"^([0-9])[0-9]*(\.\w*)?$"); return false; } /// <summary> /// 检测是否符合email格式 /// </summary> /// <param>要判断的email字符串</param> /// <returns>判断结果</returns> public static bool IsValidEmail(string strEmail) { return Regex.IsMatch(strEmail, @"^[\w\.]+([-]\w+)*@[A-Za-z0-9-_]+[\.][A-Za-z0-9-_]"); } public static bool IsValidDoEmail(string strEmail) { return Regex.IsMatch(strEmail, @"^@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$"); } /// <summary> /// 检测是否是正确的Url /// </summary> /// <param>要验证的Url</param> /// <returns>判断结果</returns> public static bool IsURL(string strUrl) { return Regex.IsMatch(strUrl, @"^(http|https)\://([a-zA-Z0-9\.\-]+(\:[a-zA-Z0-9\.&%\$\-]+)*@)*((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|localhost|([a-zA-Z0-9\-]+\.)*[a-zA-Z0-9\-]+\.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{1,10}))(\:[0-9]+)*(/($|[a-zA-Z0-9\.\,\?\'\\\+&%\$#\=~_\-]+))*$"); } /// <summary> /// 将字符串转换为数组 /// </summary> /// <param>字符串</param> /// <returns>字符串数组</returns> public static string[] GetStrArray(string str) { return str.Split(new char[',']); } /// <summary> /// 将数组转换为字符串 /// </summary> /// <param>List</param> /// <param>分隔符</param> /// <returns>String</returns> public static string GetArrayStr(List<string> list, string speater) { StringBuilder sb = new StringBuilder(); for (int i = 0; i < list.Count; i++) { if (i == list.Count - 1) { sb.Append(list[i]); } else { sb.Append(list[i]); sb.Append(speater); } } return sb.ToString(); } /// <summary> /// object型转换为bool型 /// </summary> /// <param>要转换的字符串</param> /// <param>缺省值</param> /// <returns>转换后的bool类型结果</returns> public static bool StrToBool(object expression, bool defValue) { if (expression != null) return StrToBool(expression, defValue); return defValue; } /// <summary> /// string型转换为bool型 /// </summary> /// <param>要转换的字符串</param> /// <param>缺省值</param> /// <returns>转换后的bool类型结果</returns> public static bool StrToBool(string expression, bool defValue) { if (expression != null) { if (string.Compare(expression, "true", true) == 0) return true; else if (string.Compare(expression, "false", true) == 0) return false; } return defValue; } /// <summary> /// 将对象转换为Int32类型 /// </summary> /// <param>要转换的字符串</param> /// <param>缺省值</param> /// <returns>转换后的int类型结果</returns> public static int ObjToInt(object expression, int defValue) { if (expression != null) return StrToInt(expression.ToString(), defValue); return defValue; } /// <summary> /// 将字符串转换为Int32类型 /// </summary> /// <param>要转换的字符串</param> /// <param>缺省值</param> /// <returns>转换后的int类型结果</returns> public static int StrToInt(string expression, int defValue) { if (string.IsNullOrEmpty(expression) || expression.Trim().Length >= 11 || !Regex.IsMatch(expression.Trim(), @"^([-]|[0-9])[0-9]*(\.\w*)?$")) return defValue; int rv; if (Int32.TryParse(expression, out rv)) return rv; return Convert.ToInt32(StrToFloat(expression, defValue)); } /// <summary> /// Object型转换为decimal型 /// </summary> /// <param>要转换的字符串</param> /// <param>缺省值</param> /// <returns>转换后的decimal类型结果</returns> public static decimal ObjToDecimal(object expression, decimal defValue) { if (expression != null) return StrToDecimal(expression.ToString(), defValue); return defValue; } /// <summary> /// string型转换为decimal型 /// </summary> /// <param>要转换的字符串</param> /// <param>缺省值</param> /// <returns>转换后的decimal类型结果</returns> public static decimal StrToDecimal(string expression, decimal defValue) { if ((expression == null) || (expression.Length > 10)) return defValue; decimal intValue = defValue; if (expression != null) { bool IsDecimal = Regex.IsMatch(expression, @"^([-]|[0-9])[0-9]*(\.\w*)?$"); if (IsDecimal) decimal.TryParse(expression, out intValue); } return intValue; } /// <summary> /// Object型转换为float型 /// </summary> /// <param>要转换的字符串</param> /// <param>缺省值</param> /// <returns>转换后的int类型结果</returns> public static float ObjToFloat(object expression, float defValue) { if (expression != null) return StrToFloat(expression.ToString(), defValue); return defValue; } /// <summary> /// string型转换为float型 /// </summary> /// <param>要转换的字符串</param> /// <param>缺省值</param> /// <returns>转换后的int类型结果</returns> public static float StrToFloat(string expression, float defValue) { if ((expression == null) || (expression.Length > 10)) return defValue; float intValue = defValue; if (expression != null) { bool IsFloat = Regex.IsMatch(expression, @"^([-]|[0-9])[0-9]*(\.\w*)?$"); if (IsFloat) float.TryParse(expression, out intValue); } return intValue; } /// <summary> /// 将对象转换为日期时间类型 /// </summary> /// <param>要转换的字符串</param> /// <param>缺省值</param> /// <returns>转换后的int类型结果</returns> public static DateTime StrToDateTime(string str, DateTime defValue) { if (!string.IsNullOrEmpty(str)) { DateTime dateTime; if (DateTime.TryParse(str, out dateTime)) return dateTime; } return defValue; } /// <summary> /// 将对象转换为日期时间类型 /// </summary> /// <param>要转换的字符串</param> /// <returns>转换后的int类型结果</returns> public static DateTime StrToDateTime(string str) { return StrToDateTime(str, DateTime.Now); } /// <summary> /// 将对象转换为日期时间类型 /// </summary> /// <param>要转换的对象</param> /// <returns>转换后的int类型结果</returns> public static DateTime ObjectToDateTime(object obj) { return StrToDateTime(obj.ToString()); } /// <summary> /// 将对象转换为日期时间类型 /// </summary> /// <param>要转换的对象</param> /// <param>缺省值</param> /// <returns>转换后的int类型结果</returns> public static DateTime ObjectToDateTime(object obj, DateTime defValue) { return StrToDateTime(obj.ToString(), defValue); } /// <summary> /// 将对象转换为字符串 /// </summary> /// <param>要转换的对象</param> /// <returns>转换后的string类型结果</returns> public static string ObjectToStr(object obj) { if (obj == null) return ""; return obj.ToString().Trim(); } /// <summary> /// 判断是否邮箱 /// </summary> /// <param></param> /// <returns></returns> public static bool IsEmail(string expression) { return Regex.IsMatch(expression, @"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$"); } /// <summary> /// 判断是否手机 /// </summary> /// <param></param> /// <returns></returns> public static bool IsMobile(string expression) { return Regex.IsMatch(expression, @"^1[3|4|5|6|7|8|9][0-9]{9}$"); } public static bool IsPhone(string telphone) { Regex regex = new Regex(@"^(\d{3,4}-)?\d{6,8}$"); return regex.IsMatch(telphone); } #endregion #region 分割字符串 /// <summary> /// 分割字符串 /// </summary> public static string[] SplitString(string strContent, string strSplit) { if (!string.IsNullOrEmpty(strContent)) { if (strContent.IndexOf(strSplit) < 0) return new string[] { strContent }; return Regex.Split(strContent, Regex.Escape(strSplit), RegexOptions.IgnoreCase); } else return new string[0] { }; } /// <summary> /// 分割字符串 /// </summary> /// <returns></returns> public static string[] SplitString(string strContent, string strSplit, int count) { string[] result = new string[count]; string[] splited = SplitString(strContent, strSplit); for (int i = 0; i < count; i++) { if (i < splited.Length) result[i] = splited[i]; else result[i] = string.Empty; } return result; } #endregion #region 删除最后结尾的一个逗号 /// <summary> /// 删除最后结尾的一个逗号 /// </summary> public static string DelLastComma(string str) { if (str.Length < 1) { return ""; } return str.Substring(0, str.LastIndexOf(",")); } #endregion #region 删除最后结尾的指定字符后的字符 /// <summary> /// 删除最后结尾的指定字符后的字符 /// </summary> public static string DelLastChar(string str, string strchar) { if (string.IsNullOrEmpty(str)) return ""; if (str.LastIndexOf(strchar) >= 0 && str.LastIndexOf(strchar) == str.Length - 1) { return str.Substring(0, str.LastIndexOf(strchar)); } return str; } #endregion #region 生成指定长度的字符串 /// <summary> /// 生成指定长度的字符串,即生成strLong个str字符串 /// </summary> /// <param>生成的长度</param> /// <param>以str生成字符串</param> /// <returns></returns> public static string StringOfChar(int strLong, string str) { string ReturnStr = ""; for (int i = 0; i < strLong; i++) { ReturnStr += str; } return ReturnStr; } #endregion #region 生成日期随机码 /// <summary> /// 生成日期随机码 /// </summary> /// <returns></returns> public static string GetRamCode() { #region return DateTime.Now.ToString("yyyyMMddHHmmssffff"); #endregion } #endregion #region 生成随机字母或数字 /// <summary> /// 生成随机数字 /// </summary> /// <param>生成长度</param> /// <returns></returns> public static string Number(int Length) { return Number(Length, false); } /// <summary> /// 生成随机数字 /// </summary> /// <param>生成长度</param> /// <param>是否要在生成前将当前线程阻止以避免重复</param> /// <returns></returns> public static string Number(int Length, bool Sleep) { if (Sleep) System.Threading.Thread.Sleep(3); string result = ""; System.Random random = new Random(); for (int i = 0; i < Length; i++) { result += random.Next(10).ToString(); } return result; } /// <summary> /// 生成随机字母字符串(数字字母混和) /// </summary> /// <param>待生成的位数</param> public static string GetCheckCode(int codeCount) { string str = string.Empty; int rep = 0; long num2 = DateTime.Now.Ticks + rep; rep++; Random random = new Random(((int)(((ulong)num2) & 0xffffffffL)) | ((int)(num2 >> rep))); for (int i = 0; i < codeCount; i++) { char ch; int num = random.Next(); if ((num % 2) == 0) { ch = (char)(0x30 + ((ushort)(num % 10))); } else { ch = (char)(0x41 + ((ushort)(num % 0x1a))); } str = str + ch.ToString(); } return str; } /// <summary> /// 根据日期和随机码生成订单号 /// </summary> /// <returns></returns> public static string GetOrderNumber() { string num = DateTime.Now.ToString("yyMMddHHmmss");//yyyyMMddHHmmssms return num + Number(2).ToString(); } private static int Next(int numSeeds, int length) { byte[] buffer = new byte[length]; System.Security.Cryptography.RNGCryptoServiceProvider Gen = new System.Security.Cryptography.RNGCryptoServiceProvider(); Gen.GetBytes(buffer); uint randomResult = 0x0;//这里用uint作为生成的随机数 for (int i = 0; i < length; i++) { randomResult |= ((uint)buffer[i] << ((length - 1 - i) * 8)); } return (int)(randomResult % numSeeds); } #endregion #region 截取字符长度 /// <summary> /// 截取字符长度 /// </summary> /// <param>字符</param> /// <param>长度</param> /// <returns></returns> public static string CutString(string inputString, int len) { if (string.IsNullOrEmpty(inputString)) return ""; inputString = DropHTML(inputString); ASCIIEncoding ascii = new ASCIIEncoding(); int tempLen = 0; string tempString = ""; byte[] s = ascii.GetBytes(inputString); for (int i = 0; i < s.Length; i++) { if ((int)s[i] == 63) { tempLen += 2; } else { tempLen += 1; } try { tempString += inputString.Substring(i, 1); } catch { break; } if (tempLen > len) break; } //如果截过则加上半个省略号 byte[] mybyte = System.Text.Encoding.Default.GetBytes(inputString); if (mybyte.Length > len) tempString += "…"; return tempString; } #endregion #region 清除HTML标记 public static string DropHTML(string Htmlstring) { if (string.IsNullOrEmpty(Htmlstring)) return ""; //删除脚本 Htmlstring = Regex.Replace(Htmlstring, @"<script[^>]*?>.*?</script>", "", RegexOptions.IgnoreCase); //删除HTML Htmlstring = Regex.Replace(Htmlstring, @"<(.[^>]*)>", "", RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring, @"([\r\n])[\s]+", "", RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring, @"-->", "", RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring, @"<!--.*", "", RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring, @"&(quot|#34);", "https://www.jb51.net/article/\"", RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring, @"&(amp|#38);", "&", RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring, @"&(lt|#60);", "<", RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring, @"&(gt|#62);", ">", RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring, @"&(nbsp|#160);", " ", RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring, @"&(iexcl|#161);", "\xa1", RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring, @"&(cent|#162);", "\xa2", RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring, @"&(pound|#163);", "\xa3", RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring, @"&(copy|#169);", "\xa9", RegexOptions.IgnoreCase); Htmlstring = Regex.Replace(Htmlstring, @"&#(\d+);", "", RegexOptions.IgnoreCase); Htmlstring.Replace("<", ""); Htmlstring.Replace(">", ""); Htmlstring.Replace("\r\n", ""); Htmlstring = HttpContext.Current.Server.HtmlEncode(Htmlstring).Trim(); return Htmlstring; } #endregion #region 清除HTML标记且返回相应的长度 public static string DropHTML(string Htmlstring, int strLen) { return CutString(DropHTML(Htmlstring), strLen); } #endregion #region TXT代码转换成HTML格式 /// <summary> /// 字符串字符处理 /// </summary> /// <param>等待处理的字符串</param> /// <returns>处理后的字符串</returns> /// //把TXT代码转换成HTML格式 public static String ToHtml(string Input) { StringBuilder sb = new StringBuilder(Input); sb.Replace("&", "&"); sb.Replace("<", "<"); sb.Replace(">", ">"); sb.Replace("\r\n", "<br />"); sb.Replace("\n", "<br />"); sb.Replace("\t", " "); //sb.Replace(" ", " "); return sb.ToString(); } #endregion #region HTML代码转换成TXT格式 /// <summary> /// 字符串字符处理 /// </summary> /// <param>等待处理的字符串</param> /// <returns>处理后的字符串</returns> /// //把HTML代码转换成TXT格式 public static String ToTxt(String Input) { StringBuilder sb = new StringBuilder(Input); sb.Replace(" ", " "); sb.Replace("<br>", "\r\n"); sb.Replace("<br>", "\n"); sb.Replace("<br />", "\n"); sb.Replace("<br />", "\r\n"); sb.Replace("<", "<"); sb.Replace(">", ">"); sb.Replace("&", "&"); return sb.ToString(); } #endregion #region 检测是否有Sql危险字符 /// <summary> /// 检测是否有Sql危险字符 /// </summary> /// <param>要判断字符串</param> /// <returns>判断结果</returns> public static bool IsSafeSqlString(string str) { return !Regex.IsMatch(str, @"[-|;|,|\/|\(|\)|\[|\]|\}|\{|%|@|\*|!|\']"); } /// <summary> /// 检查危险字符 /// </summary> /// <param></param> /// <returns></returns> public static string Filter(string sInput) { if (sInput == null || sInput == "") return null; string sInput1 = sInput.ToLower(); string output = sInput; string pattern = @"*|and|exec|insert|select|delete|update|count|master|truncate|declare|char(|mid(|chr(|'"; if (Regex.Match(sInput1, Regex.Escape(pattern), RegexOptions.Compiled | RegexOptions.IgnoreCase).Success) { throw new Exception("字符串中含有非法字符!"); } else { output = output.Replace("'", "''"); } return output; } /// <summary> /// 检查过滤设定的危险字符 /// </summary> /// <param>要过滤的字符串 </param> /// <returns>如果参数存在不安全字符，则返回true </returns> public static bool SqlFilter(string word, string InText) { if (InText == null) return false; foreach (string i in word.Split('|')) { if ((InText.ToLower().IndexOf(i + " ") > -1) || (InText.ToLower().IndexOf(" " + i) > -1)) { return true; } } return false; } #endregion #region 过滤特殊字符 /// <summary> /// 过滤特殊字符 /// </summary> /// <param></param> /// <returns></returns> public static string Htmls(string Input) { if (Input != string.Empty && Input != null) { string ihtml = Input.ToLower(); ihtml = ihtml.Replace("<script", "<script"); ihtml = ihtml.Replace("script>", "script>"); ihtml = ihtml.Replace("<%", "<%"); ihtml = ihtml.Replace("%>", "%>"); ihtml = ihtml.Replace("<$", "<$"); ihtml = ihtml.Replace("$>", "$>"); return ihtml; } else { return string.Empty; } } #endregion #region 检查是否为IP地址 /// <summary> /// 是否为ip /// </summary> /// <param></param> /// <returns></returns> 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?)$"); } #endregion #region 获得配置文件节点XML文件的绝对路径 public static string GetXmlMapPath(string xmlName) { return GetMapPath(ConfigurationManager.AppSettings[xmlName].ToString()); } #endregion #region 获得当前绝对路径 /// <summary> /// 获得当前绝对路径 /// </summary> /// <param>指定的路径</param> /// <returns>绝对路径</returns> public static string GetMapPath(string strPath) { if (strPath.ToLower().StartsWith("http://")) { return strPath; } if (HttpContext.Current != null) { return HttpContext.Current.Server.MapPath(strPath); } else //非web程序引用 { strPath = strPath.Replace("https://www.jb51.net/", "\\"); if (strPath.StartsWith("\\")) { strPath = strPath.Substring(strPath.IndexOf('\\', 1)).TrimStart('\\'); } return System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, strPath); } } #endregion #region 文件操作 /// <summary> /// 删除单个文件 /// </summary> /// <param>文件相对路径</param> public static bool DeleteFile(string _filepath) { if (string.IsNullOrEmpty(_filepath)) { return false; } string fullpath = GetMapPath(_filepath); if (File.Exists(fullpath)) { File.Delete(fullpath); return true; } return false; } /// <summary> /// 删除上传的文件(及缩略图) /// </summary> /// <param></param> public static void DeleteUpFile(string _filepath) { if (string.IsNullOrEmpty(_filepath)) { return; } string fullpath = GetMapPath(_filepath); //原图 if (File.Exists(fullpath)) { File.Delete(fullpath); } if (_filepath.LastIndexOf("https://www.jb51.net/") >= 0) { string thumbnailpath = _filepath.Substring(0, _filepath.LastIndexOf("https://www.jb51.net/")) + "mall_" + _filepath.Substring(_filepath.LastIndexOf("https://www.jb51.net/") + 1); string fullTPATH = GetMapPath(thumbnailpath); //宿略图 if (File.Exists(fullTPATH)) { File.Delete(fullTPATH); } } } /// <summary> /// 删除指定文件夹 /// </summary> /// <param>文件相对路径</param> public static bool DeleteDirectory(string _dirpath) { if (string.IsNullOrEmpty(_dirpath)) { return false; } string fullpath = GetMapPath(_dirpath); if (Directory.Exists(fullpath)) { Directory.Delete(fullpath, true); return true; } return false; } /// <summary> /// 修改指定文件夹名称 /// </summary> /// <param>旧相对路径</param> /// <param>新相对路径</param> /// <returns>bool</returns> public static bool MoveDirectory(string old_dirpath, string new_dirpath) { if (string.IsNullOrEmpty(old_dirpath)) { return false; } string fulloldpath = GetMapPath(old_dirpath); string fullnewpath = GetMapPath(new_dirpath); if (Directory.Exists(fulloldpath)) { Directory.Move(fulloldpath, fullnewpath); return true; } return false; } /// <summary> /// 返回文件大小KB /// </summary> /// <param>文件相对路径</param> /// <returns>int</returns> public static int GetFileSize(string _filepath) { if (string.IsNullOrEmpty(_filepath)) { return 0; } string fullpath = GetMapPath(_filepath); if (File.Exists(fullpath)) { FileInfo fileInfo = new FileInfo(fullpath); return ((int)fileInfo.Length) / 1024; } return 0; } /// <summary> /// 返回文件扩展名，不含“.” /// </summary> /// <param>文件全名称</param> /// <returns>string</returns> public static string GetFileExt(string _filepath) { if (string.IsNullOrEmpty(_filepath)) { return ""; } if (_filepath.LastIndexOf(".") > 0) { return _filepath.Substring(_filepath.LastIndexOf(".") + 1); //文件扩展名，不含“.” } return ""; } /// <summary> /// 返回文件名，不含路径 /// </summary> /// <param>文件相对路径</param> /// <returns>string</returns> public static string GetFileName(string _filepath) { return _filepath.Substring(_filepath.LastIndexOf(@"https://www.jb51.net/") + 1); } /// <summary> /// 文件是否存在 /// </summary> /// <param>文件相对路径</param> /// <returns>bool</returns> public static bool FileExists(string _filepath) { string fullpath = GetMapPath(_filepath); if (File.Exists(fullpath)) { return true; } return false; } #endregion #region 读取或写入cookie /// <summary> /// 写cookie值 /// </summary> /// <param>名称</param> /// <param>值</param> public static void WriteCookie(string strName, string strValue) { HttpCookie cookie = HttpContext.Current.Request.Cookies[strName]; if (cookie == null) { cookie = new HttpCookie(strName); } cookie.Value = UrlEncode(strValue); HttpContext.Current.Response.AppendCookie(cookie); } /// <summary> /// 写cookie值 /// </summary> /// <param>名称</param> /// <param>值</param> public static void WriteCookie(string strName, string key, string strValue) { HttpCookie cookie = HttpContext.Current.Request.Cookies[strName]; if (cookie == null) { cookie = new HttpCookie(strName); } cookie[key] = UrlEncode(strValue); HttpContext.Current.Response.AppendCookie(cookie); } /// <summary> /// 写cookie值 /// </summary> /// <param>名称</param> /// <param>值</param> public static void WriteCookie(string strName, string key, string strValue, int expires) { HttpCookie cookie = HttpContext.Current.Request.Cookies[strName]; if (cookie == null) { cookie = new HttpCookie(strName); } cookie[key] = UrlEncode(strValue); cookie.Expires = DateTime.Now.AddMinutes(expires); HttpContext.Current.Response.AppendCookie(cookie); } /// <summary> /// 写cookie值 /// </summary> /// <param>名称</param> /// <param>值</param> /// <param>过期时间(分钟)</param> 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 = UrlEncode(strValue); cookie.Expires = DateTime.Now.AddMinutes(expires); HttpContext.Current.Response.AppendCookie(cookie); } /// <summary> /// 读cookie值 /// </summary> /// <param>名称</param> /// <returns>cookie值</returns> public static string GetCookie(string strName) { if (HttpContext.Current.Request.Cookies != null && HttpContext.Current.Request.Cookies[strName] != null) return UrlDecode(HttpContext.Current.Request.Cookies[strName].Value.ToString()); return ""; } /// <summary> /// 读cookie值 /// </summary> /// <param>名称</param> /// <returns>cookie值</returns> public static string GetCookie(string strName, string key) { if (HttpContext.Current.Request.Cookies != null && HttpContext.Current.Request.Cookies[strName] != null && HttpContext.Current.Request.Cookies[strName][key] != null) return UrlDecode(HttpContext.Current.Request.Cookies[strName][key].ToString()); return ""; } public static void ClearCookie(string strName) { HttpCookie cookie = new HttpCookie(strName); cookie.Values.Clear(); cookie.Expires = DateTime.Now.AddYears(-1); HttpContext.Current.Response.AppendCookie(cookie); } public static void ClearCookie(string strName, string cookiedomain) { HttpCookie cookie = new HttpCookie(strName); cookie.Values.Clear(); cookie.Expires = DateTime.Now.AddYears(-1); string text = cookiedomain; if (((text != string.Empty) && (HttpContext.Current.Request.Url.Host.IndexOf(text) > -1)) && IsValidDomain(HttpContext.Current.Request.Url.Host)) { cookie.Domain = text; } HttpContext.Current.Response.AppendCookie(cookie); } public static bool IsValidDomain(string host) { Regex regex = new Regex(@"^\d+$"); if (host.IndexOf(".") == -1) { return false; } return !regex.IsMatch(host.Replace(".", string.Empty)); } #endregion #region 替换指定的字符串 /// <summary> /// 替换指定的字符串 /// </summary> /// <param>原字符串</param> /// <param>旧字符串</param> /// <param>新字符串</param> /// <returns></returns> public static string ReplaceStr(string originalStr, string oldStr, string newStr) { if (string.IsNullOrEmpty(oldStr)) { return ""; } return originalStr.Replace(oldStr, newStr); } #endregion #region 显示分页 /// <summary> /// 返回分页页码 /// </summary> /// <param>页面大小</param> /// <param>当前页</param> /// <param>总记录数</param> /// <param>链接地址，__id__代表页码</param> /// <param>中间页码数量</param> /// <returns></returns> public static string OutPageList(int pageSize, int pageIndex, int totalCount, string linkUrl, int centSize) { //计算页数 if (totalCount < 1 || pageSize < 1) { return ""; } int pageCount = totalCount / pageSize; if (pageCount < 1) { return ""; } if (totalCount % pageSize > 0) { pageCount += 1; } if (pageCount <= 1) { return ""; } StringBuilder pageStr = new StringBuilder(); string pageId = "__id__"; string firstBtn = "<a href=https://www.jb51.net/article/\"" + ReplaceStr(linkUrl, pageId, (pageIndex - 1).ToString()) + "https://www.jb51.net/article/\"><</a>"; string lastBtn = "<a href=https://www.jb51.net/article/\"" + ReplaceStr(linkUrl, pageId, (pageIndex + 1).ToString()) + "https://www.jb51.net/article/\">></a>"; string firstStr = "<a href=https://www.jb51.net/article/\"" + ReplaceStr(linkUrl, pageId, "1") + "https://www.jb51.net/article/\">1</a>"; string lastStr = "<a href=https://www.jb51.net/article/\"" + ReplaceStr(linkUrl, pageId, pageCount.ToString()) + "https://www.jb51.net/article/\">" + pageCount.ToString() + "</a>"; if (pageIndex <= 1) { firstBtn = "<a href=https://www.jb51.net/article/\"#_\"><</a>"; } if (pageIndex >= pageCount) { lastBtn = "<a href=https://www.jb51.net/article/\"#_\">></a>"; } if (pageIndex == 1) { firstStr = "<a href=https://www.jb51.net/article/\"#_\" class=https://www.jb51.net/article/\"select\">1</a>"; } if (pageIndex == pageCount) { lastStr = "<a href=https://www.jb51.net/article/\"#_\" class=https://www.jb51.net/article/\"select\">" + pageCount.ToString() + "</a>"; } int firstNum = pageIndex - (centSize / 2); //中间开始的页码 if (pageIndex < centSize) firstNum = 2; int lastNum = pageIndex + centSize - ((centSize / 2) + 1); //中间结束的页码 if (lastNum >= pageCount) lastNum = pageCount - 1; pageStr.Append(firstBtn + firstStr); if (pageIndex >= centSize) { pageStr.Append("<span>...</span>\n"); } for (int i = firstNum; i <= lastNum; i++) { if (i == pageIndex) { pageStr.Append("<a href=https://www.jb51.net/article/\"#_\" class=https://www.jb51.net/article/\"select\">" + i + "</a>"); } else { pageStr.Append("<a href=https://www.jb51.net/article/\"" + ReplaceStr(linkUrl, pageId, i.ToString()) + "https://www.jb51.net/article/\">" + i + "</a>"); } } if (pageCount - pageIndex > centSize - ((centSize / 2))) { pageStr.Append("<span>...</span>"); } pageStr.Append(lastStr + lastBtn); return pageStr.ToString(); } #endregion #region ajax显示分页 /// <summary> /// 返回分页页码 /// </summary> /// <param>页面大小</param> /// <param>当前页</param> /// <param>总记录数</param> /// <param>链接地址，__id__代表页码</param> /// <param>中间页码数量</param> /// <returns></returns> public static string OutPageListAjax(int pageSize, int pageIndex, int totalCount, int centSize) { //计算页数 if (totalCount < 1 || pageSize < 1) { return ""; } int pageCount = totalCount / pageSize; if (pageCount < 1) { return ""; } if (totalCount % pageSize > 0) { pageCount += 1; } if (pageCount <= 1) { return ""; } StringBuilder pageStr = new StringBuilder(); string firstBtn = "<a data-id=https://www.jb51.net/article/\"" + (pageIndex - 1).ToString() + "https://www.jb51.net/article/\" href=https://www.jb51.net/article/\"#_\"><</a>"; string lastBtn = "<a data-id=https://www.jb51.net/article/\"" + (pageIndex + 1).ToString() + "https://www.jb51.net/article/\" href=https://www.jb51.net/article/\"#_\">></a>"; string firstStr = "<a data-id=https://www.jb51.net/article/\"1\" href=https://www.jb51.net/article/\"#_\">1</a>"; string lastStr = "<a data-id=https://www.jb51.net/article/\"" + pageCount.ToString() + "https://www.jb51.net/article/\" href=https://www.jb51.net/article/\"#_\">" + pageCount.ToString() + "</a>"; if (pageIndex <= 1) { firstBtn = "<a href=https://www.jb51.net/article/\"#_\"><</a>"; } if (pageIndex >= pageCount) { lastBtn = "<a href=https://www.jb51.net/article/\"#_\">></a>"; } if (pageIndex == 1) { firstStr = "<a href=https://www.jb51.net/article/\"#_\" class=https://www.jb51.net/article/\"select\">1</a>"; } if (pageIndex == pageCount) { lastStr = "<a href=https://www.jb51.net/article/\"#_\" class=https://www.jb51.net/article/\"select\">" + pageCount.ToString() + "</a>"; } int firstNum = pageIndex - (centSize / 2); //中间开始的页码 if (pageIndex < centSize) firstNum = 2; int lastNum = pageIndex + centSize - ((centSize / 2) + 1); //中间结束的页码 if (lastNum >= pageCount) lastNum = pageCount - 1; pageStr.Append(firstBtn + firstStr); if (pageIndex >= centSize) { pageStr.Append("<span>...</span>\n"); } for (int i = firstNum; i <= lastNum; i++) { if (i == pageIndex) { pageStr.Append("<a href=https://www.jb51.net/article/\"#_\" class=https://www.jb51.net/article/\"select\">" + i + "</a>"); } else { pageStr.Append("<a data-id=https://www.jb51.net/article/\"" + i.ToString() + "https://www.jb51.net/article/\" href=https://www.jb51.net/article/\"#_\">" + i + "</a>"); } } if (pageCount - pageIndex > centSize - ((centSize / 2))) { pageStr.Append("<span>...</span>"); } pageStr.Append(lastStr + lastBtn); return pageStr.ToString(); } #endregion #region URL处理 /// <summary> /// URL字符编码 /// </summary> public static string UrlEncode(string str) { if (string.IsNullOrEmpty(str)) { return ""; } str = str.Replace("'", ""); return HttpContext.Current.Server.UrlEncode(str); } /// <summary> /// URL字符解码 /// </summary> public static string UrlDecode(string str) { if (string.IsNullOrEmpty(str)) { return ""; } return HttpContext.Current.Server.UrlDecode(str); } /// <summary> /// 组合URL参数 /// </summary> /// <param>页面地址</param> /// <param>参数名称</param> /// <param>参数值</param> /// <returns>String</returns> public static string CombUrlTxt(string _url, string _keys, params string[] _values) { StringBuilder urlParams = new StringBuilder(); try { string[] keyArr = _keys.Split(new char[] { '&' }); for (int i = 0; i < keyArr.Length; i++) { if (!string.IsNullOrEmpty(_values[i]) && _values[i] != "0") { _values[i] = UrlEncode(_values[i]); urlParams.Append(string.Format(keyArr[i], _values) + "&"); } } if (!string.IsNullOrEmpty(urlParams.ToString()) && _url.IndexOf("?") == -1) urlParams.Insert(0, "?"); } catch { return _url; } return _url + DelLastChar(urlParams.ToString(), "&"); } #endregion #region URL请求数据 /// <summary> /// HTTP POST方式请求数据 /// </summary> /// <param>URL.</param> /// <param>POST的数据</param> /// <returns></returns> public static string HttpPost(string url, string param) { HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url); request.Method = "POST"; request.ContentType = "application/x-www-form-urlencoded"; request.Accept = "*/*"; request.Timeout = 15000; request.AllowAutoRedirect = false; StreamWriter requestStream = null; WebResponse response = null; string responseStr = null; try { requestStream = new StreamWriter(request.GetRequestStream()); requestStream.Write(param); requestStream.Close(); response = request.GetResponse(); if (response != null) { StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8); responseStr = reader.ReadToEnd(); reader.Close(); } } catch (Exception) { throw; } finally { request = null; requestStream = null; response = null; } return responseStr; } /// <summary> /// HTTP GET方式请求数据. /// </summary> /// <param>URL.</param> /// <returns></returns> public static string HttpGet(string url) { HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url); request.Method = "GET"; //request.ContentType = "application/x-www-form-urlencoded"; request.Accept = "*/*"; request.Timeout = 15000; request.AllowAutoRedirect = false; WebResponse response = null; string responseStr = null; try { response = request.GetResponse(); if (response != null) { StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8); responseStr = reader.ReadToEnd(); reader.Close(); } } catch (Exception) { throw; } finally { request = null; response = null; } return responseStr; } /// <summary> /// 发起get请求，获取响应流 /// </summary> /// <param></param> /// <returns></returns> public static Stream HttpGetToStream(string url) { try { HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url); req.Method = "GET"; //request.ContentType = "application/x-www-form-urlencoded"; req.Accept = "*/*"; using (HttpWebResponse response = (HttpWebResponse)req.GetResponse()) { if (response != null) { return response.GetResponseStream(); } return null; } } catch (Exception) { return null; } } /// <summary> /// 执行URL获取页面内容 /// </summary> public static string UrlExecute(string urlPath) { if (string.IsNullOrEmpty(urlPath)) { return "error"; } StringWriter sw = new StringWriter(); try { HttpContext.Current.Server.Execute(urlPath, sw); return sw.ToString(); } catch (Exception) { return "error"; } finally { sw.Close(); sw.Dispose(); } } #endregion #region 操作权限菜单 /// <summary> /// 获取操作权限 /// </summary> /// <returns>Dictionary</returns> public static Dictionary<string, string> ActionType() { Dictionary<string, string> dic = new Dictionary<string, string>(); dic.Add("Show", "显示"); dic.Add("View", "查看"); dic.Add("Add", "添加"); dic.Add("Edit", "修改"); dic.Add("Delete", "删除"); dic.Add("Audit", "审核"); dic.Add("Reply", "回复"); dic.Add("Confirm", "确认"); dic.Add("Cancel", "取消"); dic.Add("Invalid", "作废"); dic.Add("Build", "生成"); dic.Add("Instal", "安装"); dic.Add("Unload", "卸载"); dic.Add("Back", "备份"); dic.Add("Restore", "还原"); dic.Add("Replace", "替换"); return dic; } #endregion #region 替换URL /// <summary> /// 替换扩展名 /// </summary> public static string GetUrlExtension(string urlPage, string staticExtension) { int indexNum = urlPage.LastIndexOf('.'); if (indexNum > 0) { return urlPage.Replace(urlPage.Substring(indexNum), "." + staticExtension); } return urlPage; } /// <summary> /// 替换扩展名，如没有扩展名替换默认首页 /// </summary> public static string GetUrlExtension(string urlPage, string staticExtension, bool defaultVal) { int indexNum = urlPage.LastIndexOf('.'); if (indexNum > 0) { return urlPage.Replace(urlPage.Substring(indexNum), "." + staticExtension); } if (defaultVal) { if (urlPage.EndsWith("https://www.jb51.net/")) { return urlPage + "index." + staticExtension; } else { return urlPage + "/index." + staticExtension; } } return urlPage; } #endregion #region 根据IP 获取地名 #region 获取页面ip /// <summary> /// 获得当前页面客户端的IP /// </summary> /// <returns>当前页面客户端的IP</returns> public static string GetIP() { string result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"]; if (string.IsNullOrEmpty(result)) result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"]; if (string.IsNullOrEmpty(result)) result = HttpContext.Current.Request.UserHostAddress; if (string.IsNullOrEmpty(result) || !Utils.IsIP(result)) return "127.0.0.1"; return result; } #endregion public static string GetstringIpAddress(string strIP)//strIP为IP { String urlString = "http://int.dpool.sina.com.cn/iplookup/iplookup.php?ip=" + GetIP(); var request = WebRequest.Create(urlString) as HttpWebRequest; request.Method = "GET"; request.ContentType = "application/x-www-form-urlencoded; charset=UTF-8"; HttpWebResponse response = null; try { response = request.GetResponse() as HttpWebResponse; } catch (WebException ex) { response = ex.Response as HttpWebResponse; } string result = string.Empty; using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.Default)) { result = reader.ReadToEnd(); string[] sp1 = { "\t" }; string[] temp = result.Split(sp1, StringSplitOptions.None); if (temp != null && temp.Length >= 6) { return temp[4] + "省" + temp[5] + "市"; } else { return string.Empty; } } } #endregion public static bool WriteTxt(string str) { return WriteTxt(str, "/debugLog.txt"); } /// <summary> /// 写调试日志 相对路径 /// </summary> /// <param></param> /// <param></param> /// <returns></returns> public static bool WriteTxt(string str,string filepath) { try { FileStream fs = new FileStream(HttpContext.Current.Request.MapPath(filepath==""?"/debugLog.txt":filepath), FileMode.Append); StreamWriter sw = new StreamWriter(fs); //开始写入 sw.WriteLine(str); //清空缓冲区 sw.Flush(); //关闭流 sw.Close(); fs.Close(); } catch (Exception) { return false; } return true; } public static string SubBetweenStr(string str, string startstr, string endstr) { int sindex = str.IndexOf(startstr); int eindex = str.LastIndexOf(endstr); int slength = startstr.Length; return str.Substring(sindex + slength, eindex - sindex - slength); } /// <summary> /// 根据指定的密码和哈希算法生成一个适合于存储在配置文件中的哈希密码 /// </summary> /// <param>要进行哈希运算的密码</param> /// <param> 要使用的哈希算法</param> /// <returns>经过哈希运算的密码</returns> public static string HashPasswordForStoringInConfigFile(string str, string type) { return FormsAuthentication.HashPasswordForStoringInConfigFile(str, type); } public static void ResponseWrite(string str) { HttpContext.Current.Response.Write(str); HttpContext.Current.Response.End(); } /// <summary> /// unix时间转换为datetime /// </summary> /// <param></param> /// <returns></returns> public static DateTime UnixTimeToTime(string timeStamp) { DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1)); long lTime = long.Parse(timeStamp + "0000000"); TimeSpan toNow = new TimeSpan(lTime); return dtStart.Add(toNow); } /// <summary> /// datetime转换为unixtime /// </summary> /// <param></param> /// <returns></returns> public static int ConvertDateTimeInt(System.DateTime time) { System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1)); return (int)(time - startTime).TotalSeconds; } }
JKRequest.cs代码: