工具类
using System;
using System.Drawing;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Security.Cryptography;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;
using System.Web.UI;
using Microsoft.VisualBasic;
using System.Collections;
using System.Net;
namespace PB.Common
{
/// <summary>
/// 工具类
/// </summary>
public class Utils
{
public const string ASSEMBLY_VERSION = "1.0.0";
private static Regex RegexBr = new Regex(@"(\r\n)", RegexOptions.IgnoreCase);
public static Regex RegexFont = new Regex(@"<font color=" + "\".*?\"" + @">([\s\S]+?)</font>", 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);
/// <summary>
/// 得到正则编译参数设置
/// </summary>
/// <returns>参数设置</returns>
public static RegexOptions GetRegexCompiledOptions()
{
#if NET1
return RegexOptions.Compiled;
#else
return RegexOptions.None;
#endif
}
/// <summary>
/// 返回字符串真实长度, 1个汉字长度为2
/// </summary>
/// <returns>字符长度</returns>
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;
}
/// <summary>
/// 判断指定字符串在指定字符串数组中的位置
/// </summary>
/// <param name="strSearch">字符串</param>
/// <param name="stringArray">字符串数组</param>
/// <param name="caseInsensetive">是否不区分大小写, true为不区分, false为区分</param>
/// <returns>字符串在指定字符串数组中的位置, 如不存在则返回-1</returns>
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;
}
/// <summary>
/// 判断指定字符串在指定字符串数组中的位置
/// </summary>
/// <param name="strSearch">字符串</param>
/// <param name="stringArray">字符串数组</param>
/// <returns>字符串在指定字符串数组中的位置, 如不存在则返回-1</returns>
public static int GetInArrayID(string strSearch, string[] stringArray)
{
return GetInArrayID(strSearch, stringArray, true);
}
/// <summary>
/// 判断指定字符串是否属于指定字符串数组中的一个元素
/// </summary>
/// <param name="strSearch">字符串</param>
/// <param name="stringArray">字符串数组</param>
/// <param name="caseInsensetive">是否不区分大小写, true为不区分, false为区分</param>
/// <returns>判断结果</returns>
public static bool InArray(string strSearch, string[] stringArray, bool caseInsensetive)
{
return GetInArrayID(strSearch, stringArray, caseInsensetive) >= 0;
}
/// <summary>
/// 判断指定字符串是否属于指定字符串数组中的一个元素
/// </summary>
/// <param name="str">字符串</param>
/// <param name="stringarray">字符串数组</param>
/// <returns>判断结果</returns>
public static bool InArray(string str, string[] stringarray)
{
return InArray(str, stringarray, false);
}
/// <summary>
/// 判断指定字符串是否属于指定字符串数组中的一个元素
/// </summary>
/// <param name="str">字符串</param>
/// <param name="stringarray">内部以逗号分割单词的字符串</param>
/// <returns>判断结果</returns>
public static bool InArray(string str, string stringarray)
{
return InArray(str, SplitString(stringarray, ","), false);
}
/// <summary>
/// 判断指定字符串是否属于指定字符串数组中的一个元素
/// </summary>
/// <param name="str">字符串</param>
/// <param name="stringarray">内部以逗号分割单词的字符串</param>
/// <param name="strsplit">分割字符串</param>
/// <returns>判断结果</returns>
public static bool InArray(string str, string stringarray, string strsplit)
{
return InArray(str, SplitString(stringarray, strsplit), false);
}
/// <summary>
/// 判断指定字符串是否属于指定字符串数组中的一个元素
/// </summary>
/// <param name="str">字符串</param>
/// <param name="stringarray">内部以逗号分割单词的字符串</param>
/// <param name="strsplit">分割字符串</param>
/// <param name="caseInsensetive">是否不区分大小写, true为不区分, false为区分</param>
/// <returns>判断结果</returns>
public static bool InArray(string str, string stringarray, string strsplit, bool caseInsensetive)
{
return InArray(str, SplitString(stringarray, strsplit), caseInsensetive);
}
/// <summary>
/// 删除字符串尾部的回车/换行/空格
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
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;
}
/// <summary>
/// 清除给定字符串中的回车及换行符
/// </summary>
/// <param name="str">要清除的字符串</param>
/// <returns>清除后返回的字符串</returns>
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;
}
/// <summary>
/// 从字符串的指定位置截取指定长度的子字符串
/// </summary>
/// <param name="str">原字符串</param>
/// <param name="startIndex">子字符串的起始位置</param>
/// <param name="length">子字符串的长度</param>
/// <returns>子字符串</returns>
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);
}
/// <summary>
/// 从字符串的指定位置开始截取到字符串结尾的了符串
/// </summary>
/// <param name="str">原字符串</param>
/// <param name="startIndex">子字符串的起始位置</param>
/// <returns>子字符串</returns>
public static string CutString(string str, int startIndex)
{
return CutString(str, startIndex, str.Length);
}
/// <summary>
/// 获得当前绝对路径
/// </summary>
/// <param name="strPath">指定的路径</param>
/// <returns>绝对路径</returns>
public static string GetMapPath(string strPath)
{
if (HttpContext.Current != null)
{
return HttpContext.Current.Server.MapPath(strPath);
}
else //非web程序引用
{
strPath = strPath.Replace("/", "\\");
if (strPath.StartsWith("\\"))
{
strPath = strPath.Substring(strPath.IndexOf('\\', 1)).TrimStart('\\');
}
return System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, strPath);
}
}
/// <summary>
/// 返回文件是否存在
/// </summary>
/// <param name="filename">文件名</param>
/// <returns>是否存在</returns>
public static bool FileExists(string filename)
{
return System.IO.File.Exists(filename);
}
/// <summary>
/// 以指定的ContentType输出指定文件文件
/// </summary>
/// <param name="filepath">文件路径</param>
/// <param name="filename">输出的文件名</param>
/// <param name="filetype">将文件输出时设置的ContentType</param>
public static void ResponseFile(string filepath, string filename, string filetype)
{
Stream iStream = null;
// 缓冲区为10k
byte[] buffer = new Byte[10000];
// 文件长度
int length;
// 需要读的数据长度
long dataToRead;
try
{
// 打开文件
iStream = new FileStream(filepath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
// 需要读的数据长度
dataToRead = iStream.Length;
HttpContext.Current.Response.ContentType = filetype;
HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=" + Utils.UrlEncode(filename.Trim()).Replace("+", " "));
while (dataToRead > 0)
{
// 检查客户端是否还处于连接状态
if (HttpContext.Current.Response.IsClientConnected)
{
length = iStream.Read(buffer, 0, 10000);
HttpContext.Current.Response.OutputStream.Write(buffer, 0, length);
HttpContext.Current.Response.Flush();
buffer = new Byte[10000];
dataToRead = dataToRead - length;
}
else
{
// 如果不再连接则跳出死循环
dataToRead = -1;
}
}
}
catch (Exception ex)
{
HttpContext.Current.Response.Write("Error : " + ex.Message);
}
finally
{
if (iStream != null)
{
// 关闭文件
iStream.Close();
}
}
HttpContext.Current.Response.End();
}
/// <summary>
/// 判断文件名是否为浏览器可以直接显示的图片文件名
/// </summary>
/// <param name="filename">文件名</param>
/// <returns>是否可以直接显示</returns>
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");
}
/// <summary>
/// int型转换为string型
/// </summary>
/// <returns>转换后的string类型结果</returns>
public static string IntToStr(int intValue)
{
//
return Convert.ToString(intValue);
}
/// <summary>
/// MD5函数
/// </summary>
/// <param name="str">原始字符串</param>
/// <returns>MD5结果</returns>
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 ret;
}
/// <summary>
/// SHA256函数
/// </summary>
/// /// <param name="str">原始字符串</param>
/// <returns>SHA256结果</returns>
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
}
/// <summary>
/// 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
/// </summary>
/// <param name="p_SrcString">要检查的字符串</param>
/// <param name="p_Length">指定长度</param>
/// <param name="p_TailString">用于替换的字符串</param>
/// <returns>截取后的字符串</returns>
public static string GetSubString(string p_SrcString, int p_Length, string p_TailString)
{
if (p_SrcString.Length > p_Length)
{
return p_SrcString.ToString().Substring(0, p_Length) + p_TailString;
}
else
{
return p_SrcString;
}
// return GetSubString(p_SrcString, 0, p_Length, p_TailString);
//return GetSubStrings(p_SrcString, p_Length*2, p_TailString);
}
public static string GetUnicodeSubString(string str, int len, string p_TailString)
{
string result = string.Empty;// 最终返回的结果
int byteLen = System.Text.Encoding.Default.GetByteCount(str);// 单字节字符长度
int charLen = str.Length;// 把字符平等对待时的字符串长度
int byteCount = 0;// 记录读取进度
int pos = 0;// 记录截取位置
if (byteLen > len)
{
for (int i = 0; i < charLen; i++)
{
if (Convert.ToInt32(str.ToCharArray()[i]) > 255)// 按中文字符计算加2
byteCount += 2;
else// 按英文字符计算加1
byteCount += 1;
if (byteCount > len)// 超出时只记下上一个有效位置
{
pos = i;
break;
}
else if (byteCount == len)// 记下当前位置
{
pos = i + 1;
break;
}
}
if (pos >= 0)
result = str.Substring(0, pos) + p_TailString;
}
else
result = str;
return result;
}
/// <summary>
/// 取指定长度的字符串
/// </summary>
/// <param name="p_SrcString">要检查的字符串</param>
/// <param name="p_StartIndex">起始位置</param>
/// <param name="p_Length">指定长度</param>
/// <param name="p_TailString">用于替换的字符串</param>
/// <returns>截取后的字符串</returns>
public static string GetSubString(string p_SrcString, int p_StartIndex, int p_Length, string p_TailString)
{
string myResult = p_SrcString;
Byte[] bComments = Encoding.UTF8.GetBytes(p_SrcString);
foreach (char c in Encoding.UTF8.GetChars(bComments))
{ //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 ((c > '\u0800' && c < '\u4e00') || (c > '\xAC00' && c < '\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;
}
/// <summary>
/// 自定义的替换字符串函数
/// </summary>
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);
}
/// <summary>
/// 生成指定数量的html空格符号
/// </summary>
public static string GetSpacesString(int spacesCount)
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < spacesCount; i++)
{
sb.Append(" ");
}
return sb.ToString();
}
/// <summary>
/// 检测是否符合email格式
/// </summary>
/// <param name="strEmail">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-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$");
}
public static bool IsValidDoEmail(string strEmail)
{
return Regex.IsMatch(strEmail, @"^@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$");
}
/// <summary>
/// 检测是否是正确的Url
/// </summary>
/// <param name="strUrl">要验证的Url</param>
/// <returns>判断结果</returns>
public static bool IsURL(string strUrl)
{
return Regex.IsMatch(strUrl, @"^(http|https)\://([a-zA-Z0-9\.\-]+(\:[a-zA-Z0-9\.&%\$\-]+)*@)*((25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])|localhost|([a-zA-Z0-9\-]+\.)*[a-zA-Z0-9\-]+\.(com|edu|gov|int|mil|net|org|biz|arpa|info|name|pro|aero|coop|museum|[a-zA-Z]{1,10}))(\:[0-9]+)*(/($|[a-zA-Z0-9\.\,\?\'\\\+&%\$#\=~_\-]+))*$");
}
public static string GetEmailHostName(string strEmail)
{
if (strEmail.IndexOf("@") < 0)
{
return "";
}
return strEmail.Substring(strEmail.LastIndexOf("@")).ToLower();
}
/// <summary>
/// 判断是否为base64字符串
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool IsBase64String(string str)
{
//A-Z, a-z, 0-9, +, /, =
return Regex.IsMatch(str, @"[A-Za-z0-9\+\/\=]");
}
/// <summary>
/// 检测是否有Sql危险字符
/// </summary>
/// <param name="str">要判断字符串</param>
/// <returns>判断结果</returns>
public static bool IsSafeSqlString(string str)
{
return !Regex.IsMatch(str, @"[-|;|,|\/|\(|\)|\[|\]|\}|\{|%|@|\*|!|\']");
}
/// <summary>
/// 检测是否有危险的可能用于链接的字符串
/// </summary>
/// <param name="str">要判断字符串</param>
/// <returns>判断结果</returns>
public static bool IsSafeUserInfoString(string str)
{
return !Regex.IsMatch(str, @"^\s*$|^c:\\con\\con$|[%,\*" + "\"" + @"\s\t\<\>\&]|游客|^Guest");
}
/// <summary>
/// 清理字符串
/// </summary>
public static string CleanInput(string strIn)
{
return Regex.Replace(strIn.Trim(), @"[^\w\.@-]", "");
}
/// <summary>
/// 返回URL中结尾的文件名
/// </summary>
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];
}
/// <summary>
/// 根据阿拉伯数字返回月份的名称(可更改为某种语言)
/// </summary>
public static string[] Monthes
{
get
{
return new string[] { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" };
}
}
/// <summary>
/// 替换回车换行符为html换行符
/// </summary>
public static string StrFormat(string str)
{
string str2;
if (str == null)
{
str2 = "";
}
else
{
str = str.Replace("\r\n", "<br />");
str = str.Replace("\n", "<br />");
str2 = str;
}
return str2;
}
/// <summary>
/// 返回标准日期格式string
/// </summary>
public static string GetDate()
{
return DateTime.Now.ToString("yyyy-MM-dd");
}
/// <summary>
/// 返回指定日期格式
/// </summary>
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;
}
/// <summary>
/// 返回标准时间格式string
/// </summary>
public static string GetTime()
{
return DateTime.Now.ToString("HH:mm:ss");
}
/// <summary>
/// 返回标准时间格式string
/// </summary>
public static string GetDateTime()
{
return DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
}
/// <summary>
/// 返回相对于当前时间的相对天数
/// </summary>
public static string GetDateTime(int relativeday)
{
return DateTime.Now.AddDays(relativeday).ToString("yyyy-MM-dd HH:mm:ss");
}
/// <summary>
/// 返回标准时间格式string
/// </summary>
public static string GetDateTimeF()
{
return DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:fffffff");
}
/// <summary>
/// 返回标准时间
/// </sumary>
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);
}
/// <summary>
/// 返回标准时间 yyyy-MM-dd HH:mm:ss
/// </sumary>
public static string GetStandardDateTime(string fDateTime)
{
return GetStandardDateTime(fDateTime, "yyyy-MM-dd HH:mm:ss");
}
/// <summary>
/// 返回标准时间 yyyy-MM-dd
/// </sumary>
public static string GetStandardDate(string fDate)
{
return GetStandardDateTime(fDate, "yyyy-MM-dd");
}
/// <summary>
///
/// </summary>
/// <returns></returns>
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])?)$");
}
/// <summary>
/// 获取IP
/// </summary>
/// <returns></returns>
public static string GetRealIP()
{
string result = String.Empty;
result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (string.IsNullOrEmpty(result))
{
result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
}
if (string.IsNullOrEmpty(result))
{
result = HttpContext.Current.Request.UserHostAddress;
}
if (string.IsNullOrEmpty(result) || !Utils.IsIP(result))
{
return "127.0.0.1";
}
return result;
}
/// <summary>
/// 改正sql语句中的转义字符
/// </summary>
public static string mashSQL(string str)
{
string str2;
if (str == null)
{
str2 = "";
}
else
{
str = str.Replace("\'", "'");
str2 = str;
}
return str2;
}
/// <summary>
/// 替换sql语句中的有问题符号
/// </summary>
public static string ChkSQL(string str)
{
string str2;
if (str == null)
{
str2 = "";
}
else
{
str = str.Replace("'", "''");
str2 = str;
}
return str2;
}
/// <summary>
/// 转换为静态html
/// </summary>
public void transHtml(string path, string outpath)
{
Page page = new Page();
StringWriter writer = new StringWriter();
page.Server.Execute(path, writer);
FileStream fs;
if (File.Exists(page.Server.MapPath("") + "\\" + outpath))
{
File.Delete(page.Server.MapPath("") + "\\" + outpath);
fs = File.Create(page.Server.MapPath("") + "\\" + outpath);
}
else
{
fs = File.Create(page.Server.MapPath("") + "\\" + outpath);
}
byte[] bt = Encoding.Default.GetBytes(writer.ToString());
fs.Write(bt, 0, bt.Length);
fs.Close();
}
/// <summary>
/// 分割字符串
/// </summary>
public static string[] SplitString(string strContent, string strSplit)
{
if (!Utils.StrIsNullOrEmpty(strContent))
{
if (strContent.IndexOf(strSplit) < 0)
{
string[] tmp = { strContent };
return tmp;
}
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;
}
/// <summary>
/// 过滤字符串数组中每个元素为合适的大小
/// 当长度小于minLength时，忽略掉,-1为不限制最小长度
/// 当长度大于maxLength时，取其前maxLength位
/// 如果数组中有null元素，会被忽略掉
/// </summary>
/// <param name="minLength">单个元素最小长度</param>
/// <param name="maxLength">单个元素最大长度</param>
/// <returns></returns>
public static string[] PadStringArray(string[] strArray, int minLength, int maxLength)
{
if (minLength > maxLength)
{
int t = maxLength;
maxLength = minLength;
minLength = t;
}
int iMiniStringCount = 0;
for (int i = 0; i < strArray.Length; i++)
{
if (minLength > -1 && strArray[i].Length < minLength)
{
strArray[i] = null;
continue;
}
if (strArray[i].Length > maxLength)
{
strArray[i] = strArray[i].Substring(0, maxLength);
}
iMiniStringCount++;
}
string[] result = new string[iMiniStringCount];
for (int i = 0, j = 0; i < strArray.Length && j < result.Length; i++)
{
if (strArray[i] != null && strArray[i] != string.Empty)
{
result[j] = strArray[i];
j++;
}
}
return result;
}
/// <summary>
/// 分割字符串
/// </summary>
/// <param name="strContent">被分割的字符串</param>
/// <param name="strSplit">分割符</param>
/// <param name="ignoreRepeatItem">忽略重复项</param>
/// <param name="maxElementLength">单个元素最大长度</param>
/// <returns></returns>
public static string[] SplitString(string strContent, string strSplit, bool ignoreRepeatItem, int maxElementLength)
{
string[] result = SplitString(strContent, strSplit);
return ignoreRepeatItem ? DistinctStringArray(result, maxElementLength) : result;
}
public static string[] SplitString(string strContent, string strSplit, bool ignoreRepeatItem, int minElementLength, int maxElementLength)
{
string[] result = SplitString(strContent, strSplit);
if (ignoreRepeatItem)
{
result = DistinctStringArray(result);
}
return PadStringArray(result, minElementLength, maxElementLength);
}
/// <summary>
/// 分割字符串
/// </summary>
/// <param name="strContent">被分割的字符串</param>
/// <param name="strSplit">分割符</param>
/// <param name="ignoreRepeatItem">忽略重复项</param>
/// <returns></returns>
public static string[] SplitString(string strContent, string strSplit, bool ignoreRepeatItem)
{
return SplitString(strContent, strSplit, ignoreRepeatItem, 0);
}
/// <summary>
/// 清除字符串数组中的重复项
/// </summary>
/// <param name="strArray">字符串数组</param>
/// <param name="maxElementLength">字符串数组中单个元素的最大长度</param>
/// <returns></returns>
public static string[] DistinctStringArray(string[] strArray, int maxElementLength)
{
Hashtable h = new Hashtable();
foreach (string s in strArray)
{
string k = s;
if (maxElementLength > 0 && k.Length > maxElementLength)
{
k = k.Substring(0, maxElementLength);
}
h[k.Trim()] = s;
}
string[] result = new string[h.Count];
h.Keys.CopyTo(result, 0);
return result;
}
/// <summary>
/// 清除字符串数组中的重复项
/// </summary>
/// <param name="strArray">字符串数组</param>
/// <returns></returns>
public static string[] DistinctStringArray(string[] strArray)
{
return DistinctStringArray(strArray, 0);
}
/// <summary>
/// 替换html字符
/// </summary>
public static string EncodeHtml(string strHtml)
{
if (strHtml != "")
{
strHtml = strHtml.Replace(",", "&def");
strHtml = strHtml.Replace("'", "&dot");
strHtml = strHtml.Replace(";", "&dec");
return strHtml;
}
return "";
}
/// <summary>
/// 进行指定的替换(脏字过滤)
/// </summary>
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;
}
/// <summary>
/// 获得伪静态页码显示链接
/// </summary>
/// <param name="curPage">当前页数</param>
/// <param name="countPage">总页数</param>
/// <param name="url">超级链接地址</param>
/// <param name="extendPage">周边页码显示个数上限</param>
/// <returns>页码html</returns>
public static string GetStaticPageNumbers(int curPage, int countPage, string url, string expname, int extendPage)
{
int startPage = 1;
int endPage = 1;
string t1 = "<a href=\"" + url + "-1" + expname + "\">«</a>";
string t2 = "<a href=\"" + url + "-" + countPage + expname + "\">»</a>";
if (countPage < 1) countPage = 1;
if (extendPage < 3) extendPage = 2;
if (countPage > extendPage)
{
if (curPage - (extendPage / 2) > 0)
{
if (curPage + (extendPage / 2) < countPage)
{
startPage = curPage - (extendPage / 2);
endPage = startPage + extendPage - 1;
}
else
{
endPage = countPage;
startPage = endPage - extendPage + 1;
t2 = "";
}
}
else
{
endPage = extendPage;
t1 = "";
}
}
else
{
startPage = 1;
endPage = countPage;
t1 = "";
t2 = "";
}
StringBuilder s = new StringBuilder("");
s.Append(t1);
for (int i = startPage; i <= endPage; i++)
{
if (i == curPage)
{
s.Append("<span>");
s.Append(i);
s.Append("</span>");
}
else
{
s.Append("<a href=\"");
s.Append(url);
s.Append("-");
s.Append(i);
s.Append(expname);
s.Append("\">");
s.Append(i);
s.Append("</a>");
}
}
s.Append(t2);
return s.ToString();
}
/// <summary>
/// 获得帖子的伪静态页码显示链接
/// </summary>
/// <param name="expname"></param>
/// <param name="countPage">总页数</param>
/// <param name="url">超级链接地址</param>
/// <param name="extendPage">周边页码显示个数上限</param>
/// <returns>页码html</returns>
public static string GetPostPageNumbers(int countPage, string url, string expname, int extendPage)
{
int startPage = 1;
int endPage = 1;
int curPage = 1;
string t1 = "<a href=\"" + url + "-1" + expname + "\">«</a>";
string t2 = "<a href=\"" + url + "-" + countPage + expname + "\">»</a>";
if (countPage < 1) countPage = 1;
if (extendPage < 3) extendPage = 2;
if (countPage > extendPage)
{
if (curPage - (extendPage / 2) > 0)
{
if (curPage + (extendPage / 2) < countPage)
{
startPage = curPage - (extendPage / 2);
endPage = startPage + extendPage - 1;
}
else
{
endPage = countPage;
startPage = endPage - extendPage + 1;
t2 = "";
}
}
else
{
endPage = extendPage;
t1 = "";
}
}
else
{
startPage = 1;
endPage = countPage;
t1 = "";
t2 = "";
}
StringBuilder s = new StringBuilder("");
s.Append(t1);
for (int i = startPage; i <= endPage; i++)
{
s.Append("<a href=\"");
s.Append(url);
s.Append("-");
s.Append(i);
s.Append(expname);
s.Append("\">");
s.Append(i);
s.Append("</a>");
}
s.Append(t2);
return s.ToString();
}
/// <summary>
/// 获得页码显示链接
/// </summary>
/// <param name="curPage">当前页数</param>
/// <param name="countPage">总页数</param>
/// <param name="url">超级链接地址</param>
/// <param name="extendPage">周边页码显示个数上限</param>
/// <returns>页码html</returns>
public static string GetPageNumbers(int curPage, int countPage, string url, int extendPage)
{
return GetPageNumbers(curPage, countPage, url, extendPage, "page");
}
/// <summary>
/// 获得页码显示链接
/// </summary>
/// <param name="curPage">当前页数</param>
/// <param name="countPage">总页数</param>
/// <param name="url">超级链接地址</param>
/// <param name="extendPage">周边页码显示个数上限</param>
/// <param name="pagetag">页码标记</param>
/// <returns>页码html</returns>
public static string GetPageNumbers(int curPage, int countPage, string url, int extendPage, string pagetag)
{
return GetPageNumbers(curPage, countPage, url, extendPage, pagetag, null);
}
/// <summary>
/// 获得页码显示链接
/// </summary>
/// <param name="curPage">当前页数</param>
/// <param name="countPage">总页数</param>
/// <param name="url">超级链接地址</param>
/// <param name="extendPage">周边页码显示个数上限</param>
/// <param name="pagetag">页码标记</param>
/// <param name="anchor">锚点</param>
/// <returns>页码html</returns>
public static string GetPageNumbers(int curPage, int countPage, string url, int extendPage, string pagetag, string anchor)
{
if (pagetag == "")
pagetag = "page";
int startPage = 1;
int endPage = 1;
if (url.IndexOf("?") > 0)
{
url = url + "&";
}
else
{
url = url + "?";
}
string t1 = "<a href=\"" + url + "&" + pagetag + "=1";
string t2 = "<a href=\"" + url + "&" + pagetag + "=" + countPage;
if (anchor != null)
{
t1 += anchor;
t2 += anchor;
}
t1 += "\">«</a>";
t2 += "\">»</a>";
if (countPage < 1)
countPage = 1;
if (extendPage < 3)
extendPage = 2;
if (countPage > extendPage)
{
if (curPage - (extendPage / 2) > 0)
{
if (curPage + (extendPage / 2) < countPage)
{
startPage = curPage - (extendPage / 2);
endPage = startPage + extendPage - 1;
}
else
{
endPage = countPage;
startPage = endPage - extendPage + 1;
t2 = "";
}
}
else
{
endPage = extendPage;
t1 = "";
}
}
else
{
startPage = 1;
endPage = countPage;
t1 = "";
t2 = "";
}
StringBuilder s = new StringBuilder("");
s.Append(t1);
for (int i = startPage; i <= endPage; i++)
{
if (i == curPage)
{
s.Append("<span>");
s.Append(i);
s.Append("</span>");
}
else
{
s.Append("<a href=\"");
s.Append(url);
s.Append(pagetag);
s.Append("=");
s.Append(i);
if (anchor != null)
{
s.Append(anchor);
}
s.Append("\">");
s.Append(i);
s.Append("</a>");
}
}
s.Append(t2);
return s.ToString();
}
/// <summary>
/// 返回 HTML 字符串的编码结果
/// </summary>
/// <param name="str">字符串</param>
/// <returns>编码结果</returns>
public static string HtmlEncode(string str)
{
return HttpUtility.HtmlEncode(str);
}
/// <summary>
/// 返回 HTML 字符串的解码结果
/// </summary>
/// <param name="str">字符串</param>
/// <returns>解码结果</returns>
public static string HtmlDecode(string str)
{
return HttpUtility.HtmlDecode(str);
}
/// <summary>
/// 返回 URL 字符串的编码结果
/// </summary>
/// <param name="str">字符串</param>
/// <returns>编码结果</returns>
public static string UrlEncode(string str)
{
return HttpUtility.UrlEncode(str);
}
/// <summary>
/// 返回 URL 字符串的编码结果
/// </summary>
/// <param name="str">字符串</param>
/// <returns>解码结果</returns>
public static string UrlDecode(string str)
{
return HttpUtility.UrlDecode(str);
}
/// <summary>
/// 返回指定目录下的非 UTF8 字符集文件
/// </summary>
/// <param name="Path">路径</param>
/// <returns>文件名的字符串数组</returns>
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<subFolders.Length;i++)
{
FindNoUTF8File(subFolders[i].FullName);
}
*/
FileInfo[] subFiles = Folder.GetFiles();
for (int j = 0; j < subFiles.Length; j++)
{
if (subFiles[j].Extension.ToLower().Equals(".htm"))
{
FileStream fs = new FileStream(subFiles[j].FullName, FileMode.Open, FileAccess.Read);
bool bUtf8 = IsUTF8(fs);
fs.Close();
if (!bUtf8)
{
filelist.Append(subFiles[j].FullName);
filelist.Append("\r\n");
}
}
}
return Utils.SplitString(filelist.ToString(), "\r\n");
}
//0000 0000-0000 007F - 0xxxxxxx (ascii converts to 1 octet!)
//0000 0080-0000 07FF - 110xxxxx 10xxxxxx ( 2 octet format)
//0000 0800-0000 FFFF - 1110xxxx 10xxxxxx 10xxxxxx (3 octet format)
/// <summary>
/// 判断文件流是否为UTF8字符集
/// </summary>
/// <param name="sbInputStream">文件流</param>
/// <returns>判断结果</returns>
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;
}
/// <summary>
/// 格式化字节数字符串
/// </summary>
/// <param name="bytes"></param>
/// <returns></returns>
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";
}
/// <summary>
/// 将long型数值转换为Int32类型
/// </summary>
/// <param name="objNum"></param>
/// <returns></returns>
public static int SafeInt32(object objNum)
{
if (objNum == null)
{
return 0;
}
string strNum = objNum.ToString();
if (IsNumeric(strNum))
{
if (strNum.ToString().Length > 9)
{
if (strNum.StartsWith("-"))
{
return int.MinValue;
}
else
{
return int.MaxValue;
}
}
return Int32.Parse(strNum);
}
else
{
return 0;
}
}
/// <summary>
/// 返回相差的秒数
/// </summary>
/// <param name="Time"></param>
/// <param name="Sec"></param>
/// <returns></returns>
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;
}
/// <summary>
/// 返回相差的分钟数
/// </summary>
/// <param name="time"></param>
/// <param name="minutes"></param>
/// <returns></returns>
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;
}
/// <summary>
/// 返回相差的小时数
/// </summary>
/// <param name="time"></param>
/// <param name="hours"></param>
/// <returns></returns>
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;
}
/// <summary>
/// 建立文件夹
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public static bool CreateDir(string name)
{
return Utils.MakeSureDirectoryPathExists(name);
}
/// <summary>
/// 为脚本替换特殊字符串
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static string ReplaceStrToScript(string str)
{
str = str.Replace("\\", "\\\\");
str = str.Replace("'", "\\'");
str = str.Replace("\"", "\\\"");
return str;
}
/// <summary>
/// 是否为ip
/// </summary>
/// <param name="ip"></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?)$");
}
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?|\*)$");
}
/// <summary>
/// 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.*
/// </summary>
/// <param name="ip"></param>
/// <param name="iparray"></param>
/// <returns></returns>
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;
}
/// <summary>
/// 获得Assembly版本号
/// </summary>
/// <returns></returns>
public static string GetAssemblyVersion()
{
return string.Format("{0}.{1}.{2}", AssemblyFileVersion.FileMajorPart, AssemblyFileVersion.FileMinorPart, AssemblyFileVersion.FileBuildPart);
}
/// <summary>
/// 获得Assembly产品名称
/// </summary>
/// <returns></returns>
public static string GetAssemblyProductName()
{
return AssemblyFileVersion.ProductName;
}
/// <summary>
/// 获得Assembly产品版权
/// </summary>
/// <returns></returns>
public static string GetAssemblyCopyright()
{
return AssemblyFileVersion.LegalCopyright;
}
/// <summary>
/// 创建目录
/// </summary>
/// <param name="name">名称</param>
/// <returns>创建是否成功</returns>
[DllImport("dbgHelp", SetLastError = true)]
private static extern bool MakeSureDirectoryPathExists(string name);
/// <summary>
/// 写cookie值
/// </summary>
/// <param name="strName">名称</param>
/// <param name="strValue">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 = strValue;
HttpContext.Current.Response.AppendCookie(cookie);
}
/// <summary>
/// 写cookie值
/// </summary>
/// <param name="strName">名称</param>
/// <param name="strValue">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] = strValue;
HttpContext.Current.Response.AppendCookie(cookie);
}
/// <summary>
/// 写cookie值
/// </summary>
/// <param name="strName">名称</param>
/// <param name="strValue">值</param>
/// <param name="strValue">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 = strValue;
cookie.Expires = DateTime.Now.AddMinutes(expires);
HttpContext.Current.Response.AppendCookie(cookie);
}
/// <summary>
/// 读cookie值
/// </summary>
/// <param name="strName">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 HttpContext.Current.Request.Cookies[strName].Value.ToString();
}
return "";
}
/// <summary>
/// 读cookie值
/// </summary>
/// <param name="strName">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 HttpContext.Current.Request.Cookies[strName][key].ToString();
}
return "";
}
/// <summary>
/// 得到论坛的真实路径
/// </summary>
/// <returns></returns>
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;
}
/// <summary>
/// 判断字符串是否是yy-mm-dd字符串
/// </summary>
/// <param name="str">待判断字符串</param>
/// <returns>判断结果</returns>
public static bool IsDateString(string str)
{
return Regex.IsMatch(str, @"(\d{4})-(\d{1,2})-(\d{1,2})");
}
/// <summary>
/// 移除Html标记
/// </summary>
/// <param name="content"></param>
/// <returns></returns>
public static string RemoveHtml(string content)
{
string regexstr = @"<[^>]*>";
return Regex.Replace(content, regexstr, string.Empty, RegexOptions.IgnoreCase);
}
/// <summary>
/// 过滤HTML中的不安全标签
/// </summary>
/// <param name="content"></param>
/// <returns></returns>
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;
}
/// <summary>
/// 将用户组Title中的font标签去掉
/// </summary>
/// <param name="title">用户组Title</param>
/// <returns></returns>
public static string RemoveFontTag(string title)
{
Match m = RegexFont.Match(title);
if (m.Success)
{
return m.Groups[1].Value;
}
return title;
}
/// <summary>
/// 判断对象是否为Int32类型的数字
/// </summary>
/// <param name="Expression"></param>
/// <returns></returns>
public static bool IsNumeric(object Expression)
{
throw new NotImplementedException();
}
/// <summary>
/// 从HTML中获取文本,保留br,p,img
/// </summary>
/// <param name="HTML"></param>
/// <returns></returns>
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 bool IsDouble(object Expression)
{
throw new NotImplementedException();
}
/// <summary>
/// object型转换为bool型
/// </summary>
/// <param name="strValue">要转换的字符串</param>
/// <param name="defValue">缺省值</param>
/// <returns>转换后的bool类型结果</returns>
public static bool StrToBool(object expression, bool defValue)
{
throw new NotImplementedException();
}
/// <summary>
/// string型转换为bool型
/// </summary>
/// <param name="strValue">要转换的字符串</param>
/// <param name="defValue">缺省值</param>
/// <returns>转换后的bool类型结果</returns>
public static bool StrToBool(string expression, bool defValue)
{
throw new NotImplementedException();
}
/// <summary>
/// 将对象转换为Int32类型
/// </summary>
/// <param name="expression">要转换的字符串</param>
/// <param name="defValue">缺省值</param>
/// <returns>转换后的int类型结果</returns>
public static int StrToInt(object expression, int defValue)
{
throw new NotImplementedException();
}
/// <summary>
/// 将字符串转换为Int32类型
/// </summary>
/// <param name="expression">要转换的字符串</param>
/// <param name="defValue">缺省值</param>
/// <returns>转换后的int类型结果</returns>
public static int StrToInt(string expression, int defValue)
{
int i = defValue;
if (int.TryParse(expression, out i))
return i;
else
return defValue;
}
/// <summary>
/// Object型转换为float型
/// </summary>
/// <param name="strValue">要转换的字符串</param>
/// <param name="defValue">缺省值</param>
/// <returns>转换后的int类型结果</returns>
public static float StrToFloat(object strValue, float defValue)
{
throw new NotImplementedException();
}
/// <summary>
/// string型转换为float型
/// </summary>
/// <param name="strValue">要转换的字符串</param>
/// <param name="defValue">缺省值</param>
/// <returns>转换后的int类型结果</returns>
public static float StrToFloat(string strValue, float defValue)
{
throw new NotImplementedException();
}
/// <summary>
/// 判断给定的字符串数组(strNumber)中的数据是不是都为数值型
/// </summary>
/// <param name="strNumber">要确认的字符串数组</param>
/// <returns>是则返加true 不是则返回 false</returns>
public static bool IsNumericArray(string[] strNumber)
{
throw new NotImplementedException();
}
public static string AdDeTime(int times)
{
string newtime = (DateTime.Now).AddMinutes(times).ToString();
return newtime;
}
/// <summary>
/// 验证是否为正整数
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
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;
}
/// <summary>
/// 删除最后一个字符
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static string ClearLastChar(string str)
{
if (str == "")
return "";
else
return str.Substring(0, str.Length - 1);
}
/// <summary>
/// 备份文件
/// </summary>
/// <param name="sourceFileName">源文件名</param>
/// <param name="destFileName">目标文件名</param>
/// <param name="overwrite">当目标文件存在时是否覆盖</param>
/// <returns>操作是否成功</returns>
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;
}
}
/// <summary>
/// 备份文件,当目标文件存在时覆盖
/// </summary>
/// <param name="sourceFileName">源文件名</param>
/// <param name="destFileName">目标文件名</param>
/// <returns>操作是否成功</returns>
public static bool BackupFile(string sourceFileName, string destFileName)
{
return BackupFile(sourceFileName, destFileName, true);
}
/// <summary>
/// 恢复文件
/// </summary>
/// <param name="backupFileName">备份文件名</param>
/// <param name="targetFileName">要恢复的文件名</param>
/// <param name="backupTargetFileName">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</param>
/// <returns>操作是否成功</returns>
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);
}
/// <summary>
/// 获取记录模板id的cookie名称
/// </summary>
/// <returns></returns>
public static string GetTemplateCookieName()
{
return TemplateCookieName;
}
/// <summary>
/// 将全角数字转换为数字
/// </summary>
/// <param name="SBCCase"></param>
/// <returns></returns>
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);
}
/// <summary>
/// 将字符串转换为Color
/// </summary>
/// <param name="color"></param>
/// <returns></returns>
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);
}
}
/// <summary>
/// 转换长文件名为短文件名
/// </summary>
/// <param name="filename"></param>
/// <param name="repstring"></param>
/// <param name="leftnum"></param>
/// <param name="rightnum"></param>
/// <param name="charnum"></param>
/// <returns></returns>
public static string ConvertSimpleFileName(string fullname, string repstring, int leftnum, int rightnum, int charnum)
{
string simplefilename = "", leftstring = "", rightstring = "", filename = "";
string extname = GetFileExtName(fullname);
if (extname == "" || extname == null)
{
throw new Exception("字符串不含有扩展名信息");
}
int filelength = 0, dotindex = 0;
dotindex = fullname.LastIndexOf('.');
filename = fullname.Substring(0, dotindex);
filelength = filename.Length;
if (dotindex > charnum)
{
leftstring = filename.Substring(0, leftnum);
rightstring = filename.Substring(filelength - rightnum, rightnum);
if (repstring == "" || repstring == null)
{
simplefilename = leftstring + rightstring + "." + extname;
}
else
{
simplefilename = leftstring + repstring + rightstring + "." + extname;
}
}
else
{
simplefilename = fullname;
}
return simplefilename;
}
public static string GetFileExtName(string filename)
{
string[] array = filename.Trim().Split('.');
Array.Reverse(array);
return array[0].ToString();
}
/// <summary>
/// 将数据表转换成JSON类型串
/// </summary>
/// <param name="dt">要转换的数据表</param>
/// <returns></returns>
public static StringBuilder DataTableToJSON(System.Data.DataTable dt)
{
return DataTableToJson(dt, true);
}
/// <summary>
/// 将数据表转换成JSON类型串
/// </summary>
/// <param name="dt">要转换的数据表</param>
/// <param name="dispose">数据表转换结束后是否dispose掉</param>
/// <returns></returns>
public static StringBuilder DataTableToJson(System.Data.DataTable dt, bool dt_dispose)
{
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append("[\r\n");
//数据表字段名和类型数组
string[] dt_field = new string[dt.Columns.Count];
int i = 0;
string formatStr = "{{";
string fieldtype = "";
foreach (System.Data.DataColumn dc in dt.Columns)
{
dt_field[i] = dc.Caption.ToLower().Trim();
formatStr += "'" + dc.Caption.ToLower().Trim() + "':";
fieldtype = dc.DataType.ToString().Trim().ToLower();
if (fieldtype.IndexOf("int") > 0 || fieldtype.IndexOf("deci") > 0 ||
fieldtype.IndexOf("floa") > 0 || fieldtype.IndexOf("doub") > 0 ||
fieldtype.IndexOf("bool") > 0)
{
formatStr += "{" + i + "}";
}
else
{
formatStr += "'{" + i + "}'";
}
formatStr += ",";
i++;
}
if (formatStr.EndsWith(","))
{
formatStr = formatStr.Substring(0, formatStr.Length - 1);//去掉尾部","号
}
formatStr += "}},";
i = 0;
object[] objectArray = new object[dt_field.Length];
foreach (System.Data.DataRow dr in dt.Rows)
{
foreach (string fieldname in dt_field)
{ //对 \ , ' 符号进行转换
objectArray[i] = dr[dt_field[i]].ToString().Trim().Replace("\\", "\\\\").Replace("'", "\\'");
switch (objectArray[i].ToString())
{
case "True":
{
objectArray[i] = "true"; break;
}
case "False":
{
objectArray[i] = "false"; break;
}
default: break;
}
i++;
}
i = 0;
stringBuilder.Append(string.Format(formatStr, objectArray));
}
if (stringBuilder.ToString().EndsWith(","))
{
stringBuilder.Remove(stringBuilder.Length - 1, 1);//去掉尾部","号
}
if (dt_dispose)
{
dt.Dispose();
}
return stringBuilder.Append("\r\n];");
}
/// <summary>
/// 字段串是否为Null或为""(空)
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool StrIsNullOrEmpty(string str)
{
//#if NET1
if (str == null || str.Trim() == "")
{
return true;
}
//#else
// if (string.IsNullOrEmpty(str))
// {
// return true;
// }
//#endif
return false;
}
/// <summary>
/// 是否为数值串列表，各数值间用","间隔
/// </summary>
/// <param name="numList"></param>
/// <returns></returns>
public static bool IsNumericList(string numList)
{
if (numList == "")
return false;
foreach (string num in numList.Split(','))
{
if (!IsNumeric(num))
return false;
}
return true;
}
/// <summary>
/// 检查颜色值是否为3/6位的合法颜色
/// </summary>
/// <param name="color">待检查的颜色</param>
/// <returns></returns>
public static bool CheckColorValue(string color)
{
if (StrIsNullOrEmpty(color))
{
return false;
}
color = color.Trim().Trim('#');
if (color.Length != 3 && color.Length != 6)
{
return false;
}
//不包含0-9 a-f以外的字符
if (!Regex.IsMatch(color, "[^0-9a-f]", RegexOptions.IgnoreCase))
{
return true;
}
return false;
}
/// <summary>
/// 获取ajax形式的分页链接
/// </summary>
/// <param name="curPage">当前页数</param>
/// <param name="countPage">总页数</param>
/// <param name="callback">回调函数</param>
/// <param name="extendPage">周边页码显示个数上限</param>
/// <returns></returns>
public static string GetAjaxPageNumbers(int curPage, int countPage, string callback, int extendPage)
{
string pagetag = "page";
int startPage = 1;
int endPage = 1;
string t1 = "<a href=\"###\" onclick=\"" + string.Format(callback, "&" + pagetag + "=1");
string t2 = "<a href=\"###\" onclick=\"" + string.Format(callback, "&" + pagetag + "=" + countPage);
t1 += "\">«</a>";
t2 += "\">»</a>";
if (countPage < 1)
countPage = 1;
if (extendPage < 3)
extendPage = 2;
if (countPage > extendPage)
{
if (curPage - (extendPage / 2) > 0)
{
if (curPage + (extendPage / 2) < countPage)
{
startPage = curPage - (extendPage / 2);
endPage = startPage + extendPage - 1;
}
else
{
endPage = countPage;
startPage = endPage - extendPage + 1;
t2 = "";
}
}
else
{
endPage = extendPage;
t1 = "";
}
}
else
{
startPage = 1;
endPage = countPage;
t1 = "";
t2 = "";
}
StringBuilder s = new StringBuilder("");
s.Append(t1);
for (int i = startPage; i <= endPage; i++)
{
if (i == curPage)
{
s.Append("<span>");
s.Append(i);
s.Append("</span>");
}
else
{
s.Append("<a href=\"###\" onclick=\"");
s.Append(string.Format(callback, pagetag + "=" + i));
s.Append("\">");
s.Append(i);
s.Append("</a>");
}
}
s.Append(t2);
return s.ToString();
}
/// <summary>
/// 根据Url获得源文件内容
/// </summary>
/// <param name="url">合法的Url地址</param>
/// <returns></returns>
public static string GetSourceTextByUrl(string url)
{
WebRequest request = WebRequest.Create(url);
request.Timeout = 20000;//20秒超时
WebResponse response = request.GetResponse();
Stream resStream = response.GetResponseStream();
StreamReader sr = new StreamReader(resStream);
return sr.ReadToEnd();
}
/// <summary>
/// 获取QueryString中的整型值
/// </summary>
/// <param name="strName">Name of the STR.</param>
/// <param name="defValue">The def value.</param>
/// <returns></returns>
public static int GetQueryInt(string strName,int defValue)
{
string a = HttpContext.Current.Request.QueryString[strName];
if (HttpContext.Current.Request.QueryString[strName] == null)
{
return defValue;
}
else
{
return int.Parse(HttpContext.Current.Request.QueryString[strName]);
}
}
/// <summary>
/// 获取查询的字符串
/// </summary>
/// <param name="strName">Name of the STR.</param>
/// <returns></returns>
public static string GetQueryStr(string strName)
{
if (HttpContext.Current.Request.QueryString[strName] == null) return "";
return HttpContext.Current.Request.QueryString[strName];
}
/// <summary>
/// 获取form提交的字符串
/// </summary>
/// <param name="strName">Name of the STR.</param>
/// <returns></returns>
public static string GetFormStr(string strName)
{
if (HttpContext.Current.Request.Form[strName] == null) return "";
return HttpContext.Current.Request.Form[strName];
}
/// <summary>
/// 获取form提交的整型值
/// </summary>
/// <param name="strName">Name of the STR.</param>
/// <param name="defValue">The def value.</param>
/// <returns></returns>
public static int GetFormInt(string strName, int defValue)
{
if (HttpContext.Current.Request.Form[strName] == null) return defValue;
return int.Parse(HttpContext.Current.Request.Form[strName]);
}
/// <summary>
/// 返回上一个页面的地址
/// </summary>
/// <returns>上一个页面的地址</returns>
public static string GetUrlReferrer()
{
string retVal = null;
try
{
retVal = HttpContext.Current.Request.UrlReferrer.ToString();
}
catch { }
if (retVal == null)
return "";
return retVal;
}
/// <summary>
/// 输出分页链接的HTML
/// </summary>
/// <param name="pagesize">The pagesize.</param>
/// <param name="pageindex">The pageindex.</param>
/// <param name="totals">The totals.</param>
/// <param name="url">The URL.</param>
/// <param name="pagercss">The pagercss.</param>
/// <returns></returns>
public static string GeneratePagerHTML(int pagesize, int totals, HttpRequest request, string pagercss,string name)
{
int pageindex = GetQueryInt("pageindex", 1);
string url = request.Path + "?";
foreach (string key in request.QueryString.AllKeys)
{
if ((key != "pagesize") && (key != "pageindex")&&(key!=null) && (key.ToString() != string.Empty))
url += ("&" + key + "=" + request.QueryString[key]);
}
pagesize = Utils.GetQueryInt("pagesize", pagesize);
pageindex = Utils.GetQueryInt("pageindex", pageindex);
int pages = totals / pagesize;
if ((totals % pagesize) != 0) pages++;
StringBuilder sb = new StringBuilder();
sb.Append("<table class='" + pagercss + "' cellspacing='4' cellpadding='0' border='0'><tr>");
sb.Append("<td>");
sb.Append(String.Format("共<b>{0}</b>{1}",totals,name));
sb.Append("</td>");
sb.Append("<td><a href='" + String.Format("{0}&pagesize={1}&pageindex={2}", url, pagesize.ToString(), "1") + "'>首页</a><td>");
sb.Append("<td><a href='" + String.Format("{0}&pagesize={1}&pageindex={2}", url, pagesize.ToString(), (pageindex > 1 ? (pageindex - 1) : 1).ToString()) + "'>前一页</a><td>");
sb.Append("<td><a href='" + String.Format("{0}&pagesize={1}&pageindex={2}", url, pagesize.ToString(), (pageindex < pages ? (pageindex + 1) : pages).ToString()) + "'>后一页</a><td>");
sb.Append("<td><a href='" + String.Format("{0}&pagesize={1}&pageindex={2}", url, pagesize.ToString(), pages.ToString()) + "'>末页</a><td>");
sb.Append("<td>");
sb.Append(String.Format("页次:<b>{0}/{1}</b>页", pageindex, pages));
sb.Append("</td>");
sb.Append("<td>转到：<select onchange='location=this.value;'>");
for (int i = 1; i <= pages; i++)
{
sb.Append("<option value='" + String.Format("{0}&pagesize={1}&pageindex={2}", url, pagesize.ToString(), i.ToString()) + "'");
if (i == pageindex)
sb.Append(" selected ");
sb.Append(">第" + i.ToString() + "页</option>");
}
sb.Append("</select></td>");
sb.Append("</tr></table>");
return sb.ToString();
}
}
}