工具类

using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
using System.IO;
using System.Net;
using System.Data;
using System.Configuration;
using System.Web;
using System.Security.Cryptography;
using System.Collections;
using System.Reflection;
using System.ComponentModel;
using System.Xml.Serialization;
using System.Data.Common;

namespace EasyFrame.Common
{
public class Utils
{
#region 系统版本
/// <summary>
/// 版本信息类
/// </summary>
public class VersionInfo
{
public int FileMajorPart
{
get { return 3; }
}
public int FileMinorPart
{
get { return 0; }
}
public int FileBuildPart
{
get { return 0; }
}
public string ProductName
{
get { return "EasyFrame"; }
}
public int ProductType
{
get { return 0; }
}
}
public static string GetVersion()
{
return GTKeys.ASSEMBLY_VERSION;
}
#endregion

#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;
}
#endregion

#region 对象转换处理
/// <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)
{
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 name="Expression"></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 name="expression"></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 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\.]+([-]\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 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]+)*(/($|[a-zA-Z0-9\.\,\?\'\\\+&%\$#\=~_\-]+))*$");
}

/// <summary>
/// 将字符串转换为数组
/// </summary>
/// <param name="str">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 name="list">List</param>
/// <param name="speater">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 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)
{
if (expression != null)
return StrToBool(expression, defValue);

return defValue;
}

/// <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)
{
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 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 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 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)
{
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 name="strValue">要转换的字符串</param>
/// <param name="defValue">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 name="strValue">要转换的字符串</param>
/// <param name="defValue">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 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 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 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 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 name="str">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 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 name="str">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 name="obj">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 name="obj">要转换的对象</param>
/// <param name="defValue">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 name="obj">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();
}
#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 name="strLong">生成的长度</param>
/// <param name="str">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 name="length">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 name="Length">生成长度</param>
/// <param name="Sleep">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 name="codeCount">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();
}

/// <summary>
/// 生成随机不重复概率的种子
/// </summary>
/// <param name="numSeeds"></param>
/// <param name="length"></param>
/// <returns></returns>
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);
}

/// <summary>
/// 生成随机不重复概率的种子
/// </summary>
/// <returns></returns>
private static int GetRandomSeed()
{
byte[] bytes = new byte[4];
System.Security.Cryptography.RNGCryptoServiceProvider rng = new System.Security.Cryptography.RNGCryptoServiceProvider();
rng.GetBytes(bytes);
return BitConverter.ToInt32(bytes, 0);
}
#endregion

#region 截取字符长度
/// <summary>
/// 截取字符长度
/// </summary>
/// <param name="inputString">字符</param>
/// <param name="len">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;
}
/// <summary>
/// 截取字符长度
/// </summary>
/// <param name="inputString">字符</param>
/// <param name="endString">结束字符串</param>
/// <returns></returns>
public static string CutString(string inputString, string endString)
{
if(!string.IsNullOrEmpty(inputString))
{
return inputString.Substring(0, inputString.IndexOf(endString));;
}
return inputString;
}
#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);", "\"", 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 name="chr">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 name="chr">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 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>
/// 检查危险字符
/// </summary>
/// <param name="Input"></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 name="InText">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 name="Input"></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 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?)$");
}
#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 name="strPath">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("/", "\\");
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 name="_filepath">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 name="_filepath"></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("/") >= 0)
{
string thumbnailpath = _filepath.Substring(0, _filepath.LastIndexOf("/")) + "mall_" + _filepath.Substring(_filepath.LastIndexOf("/") + 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 name="_dirpath">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 name="old_dirpath">旧相对路径</param>
/// <param name="new_dirpath">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 name="_filepath">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 name="_filepath">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 name="_filepath">文件相对路径</param>
/// <returns>string</returns>
public static string GetFileName(string _filepath)
{
return _filepath.Substring(_filepath.LastIndexOf(@"/") + 1);
}

/// <summary>
/// 文件是否存在
/// </summary>
/// <param name="_filepath">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;
}

/// <summary>
/// 获得远程字符串
/// </summary>
public static string GetDomainStr(string key, string uriPath)
{
string result = CacheHelper.Get(key) as string;
if (result == null)
{
System.Net.WebClient client = new System.Net.WebClient();
try
{
client.Encoding = System.Text.Encoding.UTF8;
result = client.DownloadString(uriPath);
}
catch
{
result = "暂时无法连接!";
}
CacheHelper.Insert(key, result, 60);
}

return result;
}

#endregion

#region 读取或写入cookie
/// <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 = UrlEncode(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] = UrlEncode(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, 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 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 = UrlEncode(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 UrlDecode(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 UrlDecode(HttpContext.Current.Request.Cookies[strName][key].ToString());

return "";
}
#endregion

#region 替换指定的字符串
/// <summary>
/// 替换指定的字符串
/// </summary>
/// <param name="originalStr">原字符串</param>
/// <param name="oldStr">旧字符串</param>
/// <param name="newStr">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 name="pageSize">页面大小</param>
/// <param name="pageIndex">当前页</param>
/// <param name="totalCount">总记录数</param>
/// <param name="linkUrl">链接地址，__id__代表页码</param>
/// <param name="centSize">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=\"" + ReplaceStr(linkUrl, pageId, (pageIndex - 1).ToString()) + "\">«上一页</a>";
string lastBtn = "<a href=\"" + ReplaceStr(linkUrl, pageId, (pageIndex + 1).ToString()) + "\">下一页»</a>";
string firstStr = "<a href=\"" + ReplaceStr(linkUrl, pageId, "1") + "\">1</a>";
string lastStr = "<a href=\"" + ReplaceStr(linkUrl, pageId, pageCount.ToString()) + "\">" + pageCount.ToString() + "</a>";

if (pageIndex <= 1)
{
firstBtn = "<span class=\"disabled\">«上一页</span>";
}
if (pageIndex >= pageCount)
{
lastBtn = "<span class=\"disabled\">下一页»</span>";
}
if (pageIndex == 1)
{
firstStr = "<span class=\"current\">1</span>";
}
if (pageIndex == pageCount)
{
lastStr = "<span class=\"current\">" + pageCount.ToString() + "</span>";
}
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("<span>共" + totalCount + "记录</span>");
pageStr.Append(firstBtn + firstStr);
if (pageIndex >= centSize)
{
pageStr.Append("<span>...</span>\n");
}
for (int i = firstNum; i <= lastNum; i++)
{
if (i == pageIndex)
{
pageStr.Append("<span class=\"current\">" + i + "</span>");
}
else
{
pageStr.Append("<a href=\"" + ReplaceStr(linkUrl, pageId, i.ToString()) + "\">" + 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 name="_url">页面地址</param>
/// <param name="_keys">参数名称</param>
/// <param name="_values">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 name="url">URL.</param>
/// <param name="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 name="url">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>
/// 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("/"))
{
return urlPage + "index." + staticExtension;
}
else
{
return urlPage + "/index." + staticExtension;
}
}
return urlPage;
}
#endregion

#region 判断是否是智能手机访问
///<summary>
/// 根据 Agent 判断是否是智能手机
///</summary>
///<returns></returns>
public static bool CheckAgent()
{
bool flag = false;

string agent = HttpContext.Current.Request.UserAgent;
string[] keywords = { "Android", "iPhone", "iPod", "iPad", "Windows Phone", "MQQBrowser" };

//排除 Windows 桌面系统
if (!agent.Contains("Windows NT") || (agent.Contains("Windows NT") && agent.Contains("compatible; MSIE 9.0;")))
{
//排除苹果桌面系统
if (!agent.Contains("Windows NT") && !agent.Contains("Macintosh"))
{
foreach (string item in keywords)
{
if (agent.Contains(item))
{
flag = true;
break;
}
}
}
}

return flag;
}
#endregion

#region dataTable转换成Json格式
/// <summary>
/// dataTable转换成Json格式
/// </summary>
/// <param name="dt"></param>
/// <returns></returns>
public static string DataTable2Json(DataTable dt)
{
StringBuilder jsonBuilder = new StringBuilder();
jsonBuilder.Append("{\"");
jsonBuilder.Append(dt.TableName);
jsonBuilder.Append("\":[");
for (int i = 0; i < dt.Rows.Count; i++)
{
jsonBuilder.Append("{");
for (int j = 0; j < dt.Columns.Count; j++)
{
jsonBuilder.Append("\"");
jsonBuilder.Append(dt.Columns[j].ColumnName);
jsonBuilder.Append("\":\"");
jsonBuilder.Append(dt.Rows[i][j].ToString());
jsonBuilder.Append("\",");
}
jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
jsonBuilder.Append("},");
}
jsonBuilder.Remove(jsonBuilder.Length - 1, 1);
jsonBuilder.Append("]");
jsonBuilder.Append("}");
return jsonBuilder.ToString();
}
/// <summary>
/// Msdn
/// </summary>
/// <param name="jsonName"></param>
/// <param name="dt"></param>
/// <returns></returns>
public static string DataTableToJson(string jsonName, DataTable dt)
{
StringBuilder Json = new StringBuilder();
Json.Append("{\"" + jsonName + "\":[");
if (dt.Rows.Count > 0)
{
for (int i = 0; i < dt.Rows.Count; i++)
{
Json.Append("{");
for (int j = 0; j < dt.Columns.Count; j++)
{
Json.Append("\"" + dt.Columns[j].ColumnName.ToString() + "\":\"" + StripHTML(dt.Rows[i][j].ToString()) + "\"");
if (j < dt.Columns.Count - 1)
{
Json.Append(",");
}
}
Json.Append("}");
if (i < dt.Rows.Count - 1)
{
Json.Append(",");
}
}
}
Json.Append("]}");
return Json.ToString();
}
#endregion dataTable转换成Json格式

#region DataSet转换成Json格式
/// <summary>
/// DataSet转换成Json格式
/// </summary>
/// <param name="ds">DataSet</param>
/// <returns></returns>
public static string Dataset2Json(DataSet ds)
{
StringBuilder json = new StringBuilder();

foreach (DataTable dt in ds.Tables)
{
json.Append("{\"");
json.Append(dt.TableName);
json.Append("\":");
json.Append(DataTable2Json(dt));
json.Append("}");
} return json.ToString();
}
#endregion

#region List转换成Json
/// <summary>
/// List转换成Json
/// </summary>
public static string ListToJson<T>(IList<T> list)
{
object obj = list[0];
return ListToJson<T>(list, obj.GetType().Name);
}

/// <summary>
/// List转换成Json
/// </summary>
public static string ListToJson<T>(IList<T> list, string jsonName)
{
StringBuilder Json = new StringBuilder();
if (string.IsNullOrEmpty(jsonName)) jsonName = list[0].GetType().Name;
Json.Append("{\"" + jsonName + "\":[");
if (list.Count > 0)
{
for (int i = 0; i < list.Count; i++)
{
T obj = Activator.CreateInstance<T>();
PropertyInfo[] pi = obj.GetType().GetProperties();
Json.Append("{");
for (int j = 0; j < pi.Length; j++)
{
Type type = pi[j].GetValue(list[i], null).GetType();
Json.Append("\"" + pi[j].Name.ToString() + "\":" + String.Format(pi[j].GetValue(list[i], null).ToString(), type));

if (j < pi.Length - 1)
{
Json.Append(",");
}
}
Json.Append("}");
if (i < list.Count - 1)
{
Json.Append(",");
}
}
}
Json.Append("]}");
return Json.ToString();
}
#endregion

#region 对象转换为Json
/// <summary>
/// 对象转换为Json
/// </summary>
/// <param name="jsonObject">对象</param>
/// <returns>Json字符串</returns>
public static string ToJson(object jsonObject)
{
string jsonString = "{";
PropertyInfo[] propertyInfo = jsonObject.GetType().GetProperties();
for (int i = 0; i < propertyInfo.Length; i++)
{
object objectValue = propertyInfo[i].GetGetMethod().Invoke(jsonObject, null);
string value = string.Empty;
if (objectValue is DateTime || objectValue is Guid || objectValue is TimeSpan)
{
value = "'" + objectValue.ToString() + "'";
}
else if (objectValue is string)
{
value = "'" + ToJson(objectValue.ToString()) + "'";
}
else if (objectValue is IEnumerable)
{
value = ToJson((IEnumerable)objectValue);
}
else
{
value = ToJson(objectValue.ToString());
}
jsonString += "\"" + ToJson(propertyInfo[i].Name) + "\":" + value + ",";
}
jsonString.Remove(jsonString.Length - 1, jsonString.Length);
return jsonString + "}";
}
#endregion

#region 对象集合转换Json
/// <summary>
/// 对象集合转换Json
/// </summary>
/// <param name="array">集合对象</param>
/// <returns>Json字符串</returns>
public static string ToJson(IEnumerable array)
{
string jsonString = "[";
foreach (object item in array)
{
jsonString += ToJson(item) + ",";
}
jsonString.Remove(jsonString.Length - 1, jsonString.Length);
return jsonString + "]";
}
#endregion

#region 普通集合转换Json
/// <summary>
/// 普通集合转换Json
/// </summary>
/// <param name="array">集合对象</param>
/// <returns>Json字符串</returns>
public static string ToArrayString(IEnumerable array)
{
string jsonString = "[";
foreach (object item in array)
{
jsonString = ToJson(item.ToString()) + ",";
}
jsonString.Remove(jsonString.Length - 1, jsonString.Length);
return jsonString + "]";
}
#endregion

#region DataSet转换为Json
/// <summary>
/// DataSet转换为Json
/// </summary>
/// <param name="dataSet">DataSet对象</param>
/// <returns>Json字符串</returns>
public static string ToJson(DataSet dataSet)
{
string jsonString = "{";
foreach (DataTable table in dataSet.Tables)
{
jsonString += "\"" + table.TableName + "\":" + ToJson(table) + ",";
}
jsonString = jsonString.TrimEnd(',');
return jsonString + "}";
}
#endregion

#region DataReader转换为Json
/// <summary>
/// DataReader转换为Json
/// </summary>
/// <param name="dataReader">DataReader对象</param>
/// <returns>Json字符串</returns>
public static string ToJson(DbDataReader dataReader)
{
StringBuilder jsonString = new StringBuilder();
jsonString.Append("[");
while (dataReader.Read())
{
jsonString.Append("{");
for (int i = 0; i < dataReader.FieldCount; i++)
{
Type type = dataReader.GetFieldType(i);
string strKey = dataReader.GetName(i);
string strValue = dataReader[i].ToString();
jsonString.Append("\"" + strKey + "\":");
strValue = String.Format(strValue, type);
if (i < dataReader.FieldCount - 1)
{
jsonString.Append(strValue + ",");
}
else
{
jsonString.Append(strValue);
}
}
jsonString.Append("},");
}
dataReader.Close();
jsonString.Remove(jsonString.Length - 1, 1);
jsonString.Append("]");
return jsonString.ToString();
}
#endregion

#region 过滤html
public static string StripHTML(string html)
{
try
{
System.Text.RegularExpressions.Regex regex1 = new System.Text.RegularExpressions.Regex(@"<script[\s\S]+</script *>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
System.Text.RegularExpressions.Regex regex2 = new System.Text.RegularExpressions.Regex(@" href *= *[\s\S]*script *:", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
System.Text.RegularExpressions.Regex regex3 = new System.Text.RegularExpressions.Regex(@" on[\s\S]*=", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
System.Text.RegularExpressions.Regex regex4 = new System.Text.RegularExpressions.Regex(@"<iframe[\s\S]+</iframe *>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
System.Text.RegularExpressions.Regex regex5 = new System.Text.RegularExpressions.Regex(@"<frameset[\s\S]+</frameset *>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
System.Text.RegularExpressions.Regex regex6 = new System.Text.RegularExpressions.Regex(@"\<img[^\>]+\>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
System.Text.RegularExpressions.Regex regex7 = new System.Text.RegularExpressions.Regex(@"</p>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
System.Text.RegularExpressions.Regex regex8 = new System.Text.RegularExpressions.Regex(@"<p>", System.Text.RegularExpressions.RegexOptions.IgnoreCase);

html = regex1.Replace(html, ""); //过滤<script></script>标记
html = regex2.Replace(html, ""); //过滤href=javascript: (<A>) 属性
html = regex3.Replace(html, " _disibledevent="); //过滤其它控件的on事件
html = regex4.Replace(html, ""); //过滤iframe
html = regex5.Replace(html, ""); //过滤frameset
html = regex6.Replace(html, ""); //过滤frameset
html = regex7.Replace(html, ""); //过滤frameset
html = regex8.Replace(html, ""); //过滤frameset
html = html.Replace(" ", "");
html = html.Replace("</strong>", "");
html = html.Replace("<strong>", "");
html = html.Replace("\r", "");
html = html.Replace("\n", "");
html = html.Replace("'", "");
html = html.Replace("\"", "");
html = html.Replace("\t", "");
return html;
}
catch
{
//MessageBox.Show("Error");
return html;
}
}
#endregion

#region 字符串编码
/// <summary>
/// 中文转unicode
/// </summary>
/// <returns></returns>
public static string unicode_0(string str)
{
string outStr = "";
if (!string.IsNullOrEmpty(str))
{
for (int i = 0; i < str.Length; i++)
{
outStr += "/u" + ((int)str[i]).ToString("x");
}
}
return outStr;
}
/// <summary>
/// unicode转中文
/// </summary>
/// <returns></returns>
public static string unicode_1(string str)
{
string outStr = "";
if (!string.IsNullOrEmpty(str))
{
string[] strlist = str.Replace("/", "").Split('u');
try
{
for (int i = 1; i < strlist.Length; i++)
{
//将unicode字符转为10进制整数，然后转为char中文字符
outStr += (char)int.Parse(strlist[i], System.Globalization.NumberStyles.HexNumber);
}
}
catch (FormatException ex)
{
outStr = ex.Message;
}
}
return outStr;
}

/// <summary>
/// unicode转中文（符合js规则的）
/// </summary>
/// <returns></returns>
public static string unicode_js_1(string str)
{
string outStr = "";
Regex reg = new Regex(@"(?i)\\u([0-9a-f]{4})");
outStr = reg.Replace(str, delegate(Match m1)
{
return ((char)Convert.ToInt32(m1.Groups[1].Value, 16)).ToString();
});
return outStr;
}
/// <summary>
/// 中文转unicode（符合js规则的）
/// </summary>
/// <returns></returns>
public static string unicode_js_0(string str)
{
string outStr = "";
string a = "";
if (!string.IsNullOrEmpty(str))
{
for (int i = 0; i < str.Length; i++)
{
if (Regex.IsMatch(str[i].ToString(), @"[\u4e00-\u9fa5]")) { outStr += "\\u" + ((int)str[i]).ToString("x"); }
else { outStr += str[i]; }
}
}
return outStr;
}
/// <summary>
/// JS 编码 escape()
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
private string Escape(string s)
{
StringBuilder sb = new StringBuilder();
byte[] byteArr = System.Text.Encoding.Unicode.GetBytes(s);

for (int i = 0; i < byteArr.Length; i += 2)
{
sb.Append("%u");
sb.Append(byteArr[i + 1].ToString("X2"));//把字节转换为十六进制的字符串表现形式
sb.Append(byteArr[i].ToString("X2"));
}
return sb.ToString();

}
/// <summary>
/// JS 编码 UnEscape()
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
private string UnEscape(string s)
{

string str = s.Remove(0, 2);//删除最前面两个＂%u＂
string[] strArr = str.Split(new string[] { "%u" }, StringSplitOptions.None);//以子字符串＂%u＂分隔
byte[] byteArr = new byte[strArr.Length * 2];
for (int i = 0, j = 0; i < strArr.Length; i++, j += 2)
{
byteArr[j + 1] = Convert.ToByte(strArr[i].Substring(0, 2), 16); //把十六进制形式的字串符串转换为二进制字节
byteArr[j] = Convert.ToByte(strArr[i].Substring(2, 2), 16);
}
str = System.Text.Encoding.Unicode.GetString(byteArr);　//把字节转为unicode编码
return str;
}
#endregion

#region 处理内容关键字
/// <summary>
/// 处理关键字，去除已添加链接的关键字连接
/// </summary>
/// <param name="src">源字符串</param>
/// <param name="hashTable">关键字列表</param>
/// <returns>处理后结果</returns>
public static string removeRepKey(string src, Hashtable hashTable)
{
string temp = src;
string tempUrl = string.Empty;
foreach (DictionaryEntry de in hashTable)
{
tempUrl = string.Format("<a href=\"{0}\" target=\"_blank\">{1}</a>", de.Value.ToString(), de.Key.ToString());
System.Text.RegularExpressions.MatchCollection m = System.Text.RegularExpressions.Regex.Matches(temp, tempUrl, RegexOptions.IgnoreCase);
if (m.Count > 0)
{
temp = temp.Replace(tempUrl, de.Key.ToString());
}
}
return temp;
}

/// <summary>
/// 给关键字加链接，同一关键字只加一次
/// </summary>
/// <param name="src">源字符串</param>
/// <param name="keys">关键字列表</param>
/// <param name="hashTable">关键字列表，用于快速匹配关键词连接</param>
/// <returns>替换后结果</returns>
public static string RegBaseKey(string src, Hashtable hashTable)
{
string temp = src;
Hashtable parms = new Hashtable();
int length = temp.Length;

foreach (DictionaryEntry de in hashTable)
{
//temp = System.Text.RegularExpressions.Regex.Replace(temp, @"(?is)^((?:(?:(?!" + System.Text.RegularExpressions.Regex.Escape(de.Key.ToString()) + @"|</?a).)*<a(?:(?!</?a).)*</a>)*(?:(?!" + System.Text.RegularExpressions.Regex.Escape(de.Key.ToString()) + @"|</?a).)*)(?<tag>" + System.Text.RegularExpressions.Regex.Escape(de.Key.ToString()) + @")", @"$1<a href=""" + de.Value.ToString() + @""" target=""_blank"" title=""${tag}"">${tag}</a>");
temp = Regex.Replace(temp, @"(?<=^|</a>|<(?!/?a)[^>]*>)[^<>]*?(?=<a[^>]*>|<(?!/?a)[^>]*>|$)", delegate(Match m) { return m.Value.Replace(de.Key.ToString(), string.Format("<a href=\"{0}\" target=\"_blank\">{1}</a>", de.Value.ToString(), de.Key.ToString())); }, RegexOptions.IgnoreCase);
}
return temp;
}
#endregion

#region Unicode编码转换
/// <summary>
/// Unicode 转换 ASCII
/// </summary>
/// <param name="theText">解码内容</param>
/// <returns></returns>
public static string unHTMLEncode(string theText)
{
try
{
string output = string.Empty;
if (theText.Contains("&#"))
{
return System.Text.RegularExpressions.Regex.Replace(
theText,
@"&#(?<Value>[a-zA-Z0-9]{5});",
m =>
{
return ((char)int.Parse(m.Groups["Value"].Value)).ToString();
});
}
string[] stringArray = theText.Split(' ');

if (stringArray.Length == 1)
return theText;

for (int i = 0; i < stringArray.Length - 1; i++)
{
int n;
if (int.TryParse(stringArray[i], out n))
output += (char)int.Parse(stringArray[i]);
else
output += stringArray[i];
}

//output = output.Replace(">", ">");
//output = output.Replace("<", "<");
//output = output.Replace("&", "&");
return output;
}
catch (Exception ex)
{
throw ex;
}
}
#endregion

#region 将内置类型转换为说明
/// <summary>
/// 将内置类型转换为说明
/// </summary>
/// <param name="type">类型</param>
/// <returns>返回类型说明</returns>
public static string GetFieldType(string type)
{
switch (type)
{
case "System.String": return "文本类型";
case "System.string": return "文本类型";
case "System.DateTime": return "时间格式";
case "System.Int16": return "16位整数";
case "System.Int32": return "32位整数";
case "System.Int64": return "64位整数";
case "System.Boolean": return "真假类型";
case "System.bool": return "真假类型";
case "System.Decimal": return "小数类型(decimal)";
case "System.double": return "小数类型(double)";
case "System.Double": return "小数类型(double)";
case "System.float": return "小数类型(float)";
default: return "未知的类型";
}
}
#endregion

#region 获取属性的长度特性
/// <summary>
/// 获取属性的长度特性
/// </summary>
/// <param name="type">类型</param>
/// <param name="fieldName">字段名</param>
/// <returns>自定义描述</returns>
public static int GetLength(Type type, string fieldName)
{
foreach (PropertyInfo propInfo in type.GetProperties())
{
if (propInfo.Name == fieldName)
{
object[] objAttrs = propInfo.GetCustomAttributes(false);

if (objAttrs.Length > 0)
{
for (int i = 0; i < objAttrs.Length; i++)
{
DataObjectFieldAttribute attr = objAttrs[i] as DataObjectFieldAttribute;
if (attr != null)
{
return attr.Length;
}
}
}
break;
}
}
return 0;
}
#endregion

#region 保存文件

/// <summary>
/// 键值数据保存XML文件
/// </summary>
/// <param name="fileName">文件名</param>
/// <param name="data">数据</param>
public static bool SaveXmlFile(string filePath, string fileName, SerializableDictionary<string, string> data)
{
if (!Directory.Exists(filePath))
{
Directory.CreateDirectory(filePath);
}

using (FileStream fileStream = new FileStream(filePath + fileName, FileMode.Create))
{
XmlSerializer xmlFormatter = new XmlSerializer(typeof(SerializableDictionary<string, string>));
xmlFormatter.Serialize(fileStream, data);
}

if (File.Exists(filePath + fileName))
{
return true;
}
return false;
}
#endregion

#region 时间差的计算
/// <summary>
/// 已重载.计算两个日期的时间间隔,返回的是时间间隔的日期差的绝对值.
/// </summary>
/// <param name="DateTime1">第一个日期和时间</param>
/// <param name="DateTime2">第二个日期和时间</param>
/// <returns></returns>
public static string DateDiff(DateTime DateTime1, DateTime DateTime2)
{
string dateDiff = null;
try
{
TimeSpan ts1 = new TimeSpan(DateTime1.Ticks);
TimeSpan ts2 = new TimeSpan(DateTime2.Ticks);
TimeSpan ts = ts1.Subtract(ts2).Duration();
if (ts.Days > 0)
dateDiff = ts.Days.ToString() + "天";
else
{
if (ts.Hours>0)
dateDiff = ts.Hours.ToString() + "小时";
else
{
if (ts.Minutes > 0)
dateDiff = ts.Minutes.ToString() + "分钟";
else
{
dateDiff = ts.Seconds.ToString() + "秒";
}

}
}

//dateDiff = ts.Days.ToString() + "天"
// + ts.Hours.ToString() + "小时"
// + ts.Minutes.ToString() + "分钟"
// + ts.Seconds.ToString() + "秒";
}
catch
{

}
return dateDiff;
}
/// <summary>
/// 已重载.计算一个时间与当前本地日期和时间的时间间隔,返回的是时间间隔的日期差的绝对值.
/// </summary>
/// <param name="DateTime1">一个日期和时间</param>
/// <returns></returns>
public static string DateDiff(object obj)
{
return DateDiff(ObjectToDateTime(obj), DateTime.Now);
}
#endregion
}
}

}
return str;
}
#endregion

return false;

}

return false;
}

return defValue;
}

int rv;
if (Int32.TryParse(expression, out rv))
return rv;

return Convert.ToInt32(StrToFloat(expression, defValue));
}

return defValue;
}

return Regex.Split(strContent, Regex.Escape(strSplit), RegexOptions.IgnoreCase);
}
else
return new string[0] { };
}

for (int i = 0; i < count; i++)
{
if (i < splited.Length)
result[i] = splited[i];
else
result[i] = string.Empty;
}

return result;
}
#endregion

return ReturnStr;
}
#endregion

try
{
tempString += inputString.Substring(i, 1);
}
catch
{
break;
}

#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 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

return result;
}

#endregion

/// <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, 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);
}

return "";
}
#endregion

/// <summary>
/// URL字符解码
/// </summary>
public static string UrlDecode(string str)
{
if (string.IsNullOrEmpty(str))
{
return "";
}
return HttpContext.Current.Server.UrlDecode(str);
}

StreamWriter requestStream = null;
WebResponse response = null;
string responseStr = null;

try
{
requestStream = new StreamWriter(request.GetRequestStream());
requestStream.Write(param);
requestStream.Close();

return responseStr;
}

WebResponse response = null;
string responseStr = null;

try
{
response = request.GetResponse();

return responseStr;
}

#region 判断是否是智能手机访问
///<summary>
/// 根据 Agent 判断是否是智能手机
///</summary>
///<returns></returns>
public static bool CheckAgent()
{
bool flag = false;

string agent = HttpContext.Current.Request.UserAgent;
string[] keywords = { "Android", "iPhone", "iPod", "iPad", "Windows Phone", "MQQBrowser" };

return flag;
}
#endregion

foreach (DataTable dt in ds.Tables)
{
json.Append("{\"");
json.Append(dt.TableName);
json.Append("\":");
json.Append(DataTable2Json(dt));
json.Append("}");
} return json.ToString();
}
#endregion

if (j < pi.Length - 1)
{
Json.Append(",");
}
}
Json.Append("}");
if (i < list.Count - 1)
{
Json.Append(",");
}
}
}
Json.Append("]}");
return Json.ToString();
}
#endregion

}
/// <summary>
/// JS 编码 UnEscape()
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
private string UnEscape(string s)
{

if (stringArray.Length == 1)
return theText;

for (int i = 0; i < stringArray.Length - 1; i++)
{
int n;
if (int.TryParse(stringArray[i], out n))
output += (char)int.Parse(stringArray[i]);
else
output += stringArray[i];
}

//output = output.Replace(">", ">");
//output = output.Replace("<", "<");
//output = output.Replace("&", "&");
return output;
}
catch (Exception ex)
{
throw ex;
}
}
#endregion

#region 保存文件

if (File.Exists(filePath + fileName))
{
return true;
}
return false;
}
#endregion

}
}

//dateDiff = ts.Days.ToString() + "天"
// + ts.Hours.ToString() + "小时"
// + ts.Minutes.ToString() + "分钟"
// + ts.Seconds.ToString() + "秒";
}
catch
{

posted @ 2017-06-16 11:34 !opts 阅读(222) 评论(0) 编辑收藏举报

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