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.$2", RegexOptions.IgnoreCase);
return content;
}
///
/// 将用户组Title中的font标签去掉
///
/// 用户组Title
///
public static string RemoveFontTag(string title)
{
Match m = RegexFont.Match(title);
if (m.Success)
{
return m.Groups[1].Value;
}
return title;
}
///
/// 从HTML中获取文本,保留br,p,img
///
///
///
public static string GetTextFromHTML(string HTML)
{
System.Text.RegularExpressions.Regex regEx = new System.Text.RegularExpressions.Regex(@"?(?!br|/?p|img)[^>]*>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
return regEx.Replace(HTML, "");
}
public static string AdDeTime(int times)
{
string newtime = (DateTime.Now).AddMinutes(times).ToString();
return newtime;
}
///
/// 验证是否为正整数
///
///
///
public static bool IsInt(string str)
{
return Regex.IsMatch(str, @"^[0-9]*$");
}
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("