using System;
using System.Collections;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;
using System.Web.Security;
using System.Xml;
using Microsoft.VisualBasic;
namespace Moosoft.OA.Public
{
/// <summary>
/// 字符串数据数据处理扩展类
/// </summary>
/// <remarks>字符串数据数据处理扩展类</remarks>
public static class StringHelper
{
#region 字符串格式转换
///<summary>
///把一个字符串截取成数据返回
///</summary>
///<param name="s">目标字符串</param>
///<param name="sep">分割标示符</param>
///<returns>返回一个分割出来的数组</returns>
public static string[] ToArray(this string s, string sep)
{
int sepLen = sep.Length;
ArrayList arr = new ArrayList();
string item;
int pos;
if (sep != "")
{
while (true)
{
pos = s.IndexOf(sep);
if (pos > 0)
{
item = s.Substring(0, pos);
arr.Add(item);
if (sepLen + pos >= s.Length) break;
s = s.Substring(sepLen + pos, s.Length - sepLen - pos);
}
else if (pos == 0)
{
if (sepLen >= s.Length) break;
s = s.Substring(sepLen, s.Length - sepLen);
}
else
{
if (s.Length > 0) arr.Add(s);
break;
}
}
}
else
{
char[] arr_str = s.ToCharArray();
for (int i = 0; i < arr_str.GetLength(0); i++)
{
arr.Add(arr_str[i].ToString());
}
}
string[] result = new string[arr.Count];
arr.CopyTo(result);
return result;
}
/// <summary>
/// 将字符串转化成Byte[]
/// </summary>
public static Byte[] ToByteArray(this string s)
{
return Convert.FromBase64String(Convert.ToBase64String(Encoding.UTF8.GetBytes(s)));
}
/// <summary>
/// 将Byte[]转化成字符串
/// </summary>
public static string ToByteString(this byte[] s)
{
return BitConverter.ToString(s);
}
/// <summary>
/// 将字符串转化成XML
/// </summary>
public static XmlDocument ToXml(this string s)
{
XmlDocument xmldoc = new XmlDocument();
xmldoc.Load(new System.IO.MemoryStream(System.Text.Encoding.GetEncoding("GB2312").GetBytes(s)));
return xmldoc;
}
///<summary>
///把一个字符串截取成数据返回
///</summary>
///<param name="s">目标字符串</param>
///<param name="sep">分割标示符</param>
///<returns>返回一个分割出来的Arraylist</returns>
public static ArrayList ToArrayList(this string s, string sep)
{
int sepLen = sep.Length;
ArrayList arr = new ArrayList();
string item;
int pos;
if (sep != "")
{
while (true)
{
pos = s.IndexOf(sep);
if (pos > 0)
{
item = s.Substring(0, pos);
arr.Add(item);
if (sepLen + pos >= s.Length) break;
s = s.Substring(sepLen + pos, s.Length - sepLen - pos);
}
else if (pos == 0)
{
if (sepLen >= s.Length) break;
s = s.Substring(sepLen, s.Length - sepLen);
}
else
{
if (s.Length > 0) arr.Add(s);
break;
}
}
}
else
{
char[] arr_str = s.ToCharArray();
for (int i = 0; i < arr_str.GetLength(0); i++)
{
arr.Add(arr_str[i].ToString());
}
}
return arr;
}
/// <summary>
/// 将字符串转换成Long
/// </summary>
public static long ToLong(this string s)
{
long i;
long.TryParse(s, out i);
return i;
}
/// <summary>
/// 将字符串s转化成Int32
/// </summary>
/// <param name="s">字符串s</param>
/// <returns>Int32型数字</returns>
public static int ToInt32(this string s)
{
int i;
Int32.TryParse(s, out i);
return i;
}
/// <summary>
/// 去掉小数点
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public static int ToIntFloat(this string s)
{
if (s.Contains("."))
{
s = s.Remove(s.Length - (s.Length - s.IndexOf(".")), s.Length - s.IndexOf("."));
}
return int.Parse(s);
}
/// <summary>
/// 将字符串s转化成布尔型
/// </summary>
public static bool ToBool(this string s)
{
bool Result;
bool.TryParse(s, out Result);
return Result;
}
/// <summary>
/// 将字符串转换成Double
/// </summary>
/// <param name="s">源字符串</param>
/// <returns></returns>
public static double ToDouble(this string s)
{
double Result;
double.TryParse(s, out Result);
return Result;
}
/// <summary>
/// 将简体中文转化成繁体中文
/// </summary>
/// <param name="str">简体中文字符串</param>
/// <returns>string</returns>
public static string ConvertToTraditionalChinese(this string str)
{
return Microsoft.VisualBasic.Strings.StrConv(str, VbStrConv.TraditionalChinese, System.Globalization.CultureInfo.CurrentUICulture.LCID);
}
/// <summary>
/// 将繁体中文转化成简体中文
/// </summary>
/// <param name="str">繁体中文字符串</param>
/// <returns>string</returns>
public static string ConvertToSimplifiedChinese(this string str)
{
return Microsoft.VisualBasic.Strings.StrConv(str, VbStrConv.SimplifiedChinese, System.Globalization.CultureInfo.CurrentUICulture.LCID);
}
/// <summary>
/// 将指定字符串中的汉字转换为拼音首字母的缩写，其中非汉字保留为原字符
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
public static string ConvertSpellFirst(this string text)
{
char pinyin;
byte[] array;
StringBuilder sb = new StringBuilder(text.Length);
foreach (char c in text)
{
pinyin = c;
array = Encoding.Default.GetBytes(new char[] { c });
if (array.Length == 2)
{
int i = array[0] * 0x100 + array[1];
if (i < 0xB0A1) pinyin = c;
else
if (i < 0xB0C5) pinyin = 'a';
else
if (i < 0xB2C1) pinyin = 'b';
else
if (i < 0xB4EE) pinyin = 'c';
else
if (i < 0xB6EA) pinyin = 'd';
else
if (i < 0xB7A2) pinyin = 'e';
else
if (i < 0xB8C1) pinyin = 'f';
else
if (i < 0xB9FE) pinyin = 'g';
else
if (i < 0xBBF7) pinyin = 'h';
else
if (i < 0xBFA6) pinyin = 'g';
else
if (i < 0xC0AC) pinyin = 'k';
else
if (i < 0xC2E8) pinyin = 'l';
else
if (i < 0xC4C3) pinyin = 'm';
else
if (i < 0xC5B6) pinyin = 'n';
else
if (i < 0xC5BE) pinyin = 'o';
else
if (i < 0xC6DA) pinyin = 'p';
else
if (i < 0xC8BB) pinyin = 'q';
else
if (i < 0xC8F6) pinyin = 'r';
else
if (i < 0xCBFA) pinyin = 's';
else
if (i < 0xCDDA) pinyin = 't';
else
if (i < 0xCEF4) pinyin = 'w';
else
if (i < 0xD1B9) pinyin = 'x';
else
if (i < 0xD4D1) pinyin = 'y';
else
if (i < 0xD7FA) pinyin = 'z';
}
sb.Append(pinyin);
}
return sb.ToString();
}
/// <summary>
/// 将指定字符串中的汉字转换为拼音字母，其中非汉字保留为原字符
/// </summary>
/// <param name="text">要转换的文本内容</param>
/// <returns>string</returns>
public static string ConvertSpellFull(this string text)
{
#region 初始化定义
int[] pyvalue = new int[]{-20319,-20317,-20304,-20295,-20292,-20283,-20265,-20257,-20242,-20230,-20051,-20036,-20032,-20026,
-20002,-19990,-19986,-19982,-19976,-19805,-19784,-19775,-19774,-19763,-19756,-19751,-19746,-19741,-19739,-19728,
-19725,-19715,-19540,-19531,-19525,-19515,-19500,-19484,-19479,-19467,-19289,-19288,-19281,-19275,-19270,-19263,
-19261,-19249,-19243,-19242,-19238,-19235,-19227,-19224,-19218,-19212,-19038,-19023,-19018,-19006,-19003,-18996,
-18977,-18961,-18952,-18783,-18774,-18773,-18763,-18756,-18741,-18735,-18731,-18722,-18710,-18697,-18696,-18526,
-18518,-18501,-18490,-18478,-18463,-18448,-18447,-18446,-18239,-18237,-18231,-18220,-18211,-18201,-18184,-18183,
-18181,-18012,-17997,-17988,-17970,-17964,-17961,-17950,-17947,-17931,-17928,-17922,-17759,-17752,-17733,-17730,
-17721,-17703,-17701,-17697,-17692,-17683,-17676,-17496,-17487,-17482,-17468,-17454,-17433,-17427,-17417,-17202,
-17185,-16983,-16970,-16942,-16915,-16733,-16708,-16706,-16689,-16664,-16657,-16647,-16474,-16470,-16465,-16459,
-16452,-16448,-16433,-16429,-16427,-16423,-16419,-16412,-16407,-16403,-16401,-16393,-16220,-16216,-16212,-16205,
-16202,-16187,-16180,-16171,-16169,-16158,-16155,-15959,-15958,-15944,-15933,-15920,-15915,-15903,-15889,-15878,
-15707,-15701,-15681,-15667,-15661,-15659,-15652,-15640,-15631,-15625,-15454,-15448,-15436,-15435,-15419,-15416,
-15408,-15394,-15385,-15377,-15375,-15369,-15363,-15362,-15183,-15180,-15165,-15158,-15153,-15150,-15149,-15144,
-15143,-15141,-15140,-15139,-15128,-15121,-15119,-15117,-15110,-15109,-14941,-14937,-14933,-14930,-14929,-14928,
-14926,-14922,-14921,-14914,-14908,-14902,-14894,-14889,-14882,-14873,-14871,-14857,-14678,-14674,-14670,-14668,
-14663,-14654,-14645,-14630,-14594,-14429,-14407,-14399,-14384,-14379,-14368,-14355,-14353,-14345,-14170,-14159,
-14151,-14149,-14145,-14140,-14137,-14135,-14125,-14123,-14122,-14112,-14109,-14099,-14097,-14094,-14092,-14090,
-14087,-14083,-13917,-13914,-13910,-13907,-13906,-13905,-13896,-13894,-13878,-13870,-13859,-13847,-13831,-13658,
-13611,-13601,-13406,-13404,-13400,-13398,-13395,-13391,-13387,-13383,-13367,-13359,-13356,-13343,-13340,-13329,
-13326,-13318,-13147,-13138,-13120,-13107,-13096,-13095,-13091,-13076,-13068,-13063,-13060,-12888,-12875,-12871,
-12860,-12858,-12852,-12849,-12838,-12831,-12829,-12812,-12802,-12607,-12597,-12594,-12585,-12556,-12359,-12346,
-12320,-12300,-12120,-12099,-12089,-12074,-12067,-12058,-12039,-11867,-11861,-11847,-11831,-11798,-11781,-11604,
-11589,-11536,-11358,-11340,-11339,-11324,-11303,-11097,-11077,-11067,-11055,-11052,-11045,-11041,-11038,-11024,
-11020,-11019,-11018,-11014,-10838,-10832,-10815,-10800,-10790,-10780,-10764,-10587,-10544,-10533,-10519,-10331,
-10329,-10328,-10322,-10315,-10309,-10307,-10296,-10281,-10274,-10270,-10262,-10260,-10256,-10254};
string[] pystr = new string[]{"a","ai","an","ang","ao","ba","bai","ban","bang","bao","bei","ben","beng","bi","bian","biao",
"bie","bin","bing","bo","bu","ca","cai","can","cang","cao","ce","ceng","cha","chai","chan","chang","chao","che","chen",
"cheng","chi","chong","chou","chu","chuai","chuan","chuang","chui","chun","chuo","ci","cong","cou","cu","cuan","cui",
"cun","cuo","da","dai","dan","dang","dao","de","deng","di","dian","diao","die","ding","diu","dong","dou","du","duan",
"dui","dun","duo","e","en","er","fa","fan","fang","fei","fen","feng","fo","fou","fu","ga","gai","gan","gang","gao",
"ge","gei","gen","geng","gong","gou","gu","gua","guai","guan","guang","gui","gun","guo","ha","hai","han","hang",
"hao","he","hei","hen","heng","hong","hou","hu","hua","huai","huan","huang","hui","hun","huo","ji","jia","jian",
"jiang","jiao","jie","jin","jing","jiong","jiu","ju","juan","jue","jun","ka","kai","kan","kang","kao","ke","ken",
"keng","kong","kou","ku","kua","kuai","kuan","kuang","kui","kun","kuo","la","lai","lan","lang","lao","le","lei",
"leng","li","lia","lian","liang","liao","lie","lin","ling","liu","long","lou","lu","lv","luan","lue","lun","luo",
"ma","mai","man","mang","mao","me","mei","men","meng","mi","mian","miao","mie","min","ming","miu","mo","mou","mu",
"na","nai","nan","nang","nao","ne","nei","nen","neng","ni","nian","niang","niao","nie","nin","ning","niu","nong",
"nu","nv","nuan","nue","nuo","o","ou","pa","pai","pan","pang","pao","pei","pen","peng","pi","pian","piao","pie",
"pin","ping","po","pu","qi","qia","qian","qiang","qiao","qie","qin","qing","qiong","qiu","qu","quan","que","qun",
"ran","rang","rao","re","ren","reng","ri","rong","rou","ru","ruan","rui","run","ruo","sa","sai","san","sang",
"sao","se","sen","seng","sha","shai","shan","shang","shao","she","shen","sheng","shi","shou","shu","shua",
"shuai","shuan","shuang","shui","shun","shuo","si","song","sou","su","suan","sui","sun","suo","ta","tai",
"tan","tang","tao","te","teng","ti","tian","tiao","tie","ting","tong","tou","tu","tuan","tui","tun","tuo",
"wa","wai","wan","wang","wei","wen","weng","wo","wu","xi","xia","xian","xiang","xiao","xie","xin","xing",
"xiong","xiu","xu","xuan","xue","xun","ya","yan","yang","yao","ye","yi","yin","ying","yo","yong","you",
"yu","yuan","yue","yun","za","zai","zan","zang","zao","ze","zei","zen","zeng","zha","zhai","zhan","zhang",
"zhao","zhe","zhen","zheng","zhi","zhong","zhou","zhu","zhua","zhuai","zhuan","zhuang","zhui","zhun","zhuo",
"zi","zong","zou","zu","zuan","zui","zun","zuo"};
#endregion
byte[] array = new byte[2];
string returnstr = "";
int chrasc = 0;
int i1 = 0;
int i2 = 0;
char[] nowchar = text.ToCharArray();
for (int j = 0; j < nowchar.Length; j++)
{
array = Encoding.Default.GetBytes(nowchar[j].ToString());
i1 = (short)(array[0]);
i2 = (short)(array[1]);
chrasc = i1 * 256 + i2 - 65536;
if (chrasc > 0 && chrasc < 160)
{
returnstr += nowchar[j];
}
else
{
for (int i = (pyvalue.Length - 1); i >= 0; i--)
{
if (pyvalue[i] < chrasc)
{
returnstr += pystr[i];
break;
}
}
}
}
return returnstr;
}
#endregion
#region 字符串自定义操作
/// <summary>
/// 返回字符串的真实长度，一个汉字字符相当于两个单位长度
/// </summary>
/// <param name="str">指定字符串</param>
/// <returns></returns>
public static int TrueLenght(this string str)
{
int intResult = 0;
foreach (char Char in str)
{
if ((int)Char > 127)
intResult += 2;
else
intResult++;
}
return intResult;
}
/// <summary>
/// 用Byte方式截取字符串长度
/// </summary>
/// <param name="s">原始字符串</param>
/// <param name="Length">截取长度</param>
/// <param name="isShowSuspensionPoints">是否显示省略号</param>
public static string CutTrueString(this string s, int Length, bool isShowSuspensionPoints)
{
s = s.Trim();
byte[] myByte = System.Text.Encoding.Default.GetBytes(s);
if (myByte.Length > Length)
{
//截取操作
string resultStr = "";
for (int i = 0; i < s.Length; i++)
{
byte[] tempByte = System.Text.Encoding.Default.GetBytes(resultStr);
if (tempByte.Length < Length)
{
resultStr += s.Substring(i, 1);
}
else
{
break;
}
}
if (isShowSuspensionPoints)
{
return resultStr + "...";
}
else
{
return resultStr;
}
}
else
{
return s;
}
}
/// <summary>
/// 字符串截取
/// </summary>
/// <remarks>字符串截取</remarks>
/// <param name="Length">截取长度</param>
/// <param name="s">原字符串</param>
/// <returns>string</returns>
public static string CutString(this string s, int Length)
{
int len = s.Length;
int i = 0;
for (; i < Length && i < len; ++i)
{
if ((int)(s[i]) > 0xFF)
--Length;
}
if (Length < i)
Length = i;
else if (Length > len)
Length = len;
return s.Substring(0, Length);
}
/// <summary>
/// 字符串截取
/// </summary>
/// <remarks>字符串截取</remarks>
/// <param name="Length">截取长度</param>
/// <param name="isShowSuspensionPoints">是否限制省略号</param>
/// <param name="s">原字符串</param>
/// <returns>string</returns>
public static string CutString(this string s, int Length, bool isShowSuspensionPoints)
{
s = s.CutString(Length);
if (isShowSuspensionPoints)
{
s = s + "…";
}
return s;
}
/// <summary>
/// 获取一个由数字和26个小写字母组成的指定长度的随即字符串
/// </summary>
/// <param name="intLong">指定长度</param>
/// <returns></returns>
public static string GetRamdonNumLower(int intLong)
{
string strResult = "";
string[] array = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z" };
Random r = new Random();
for (int i = 0; i < intLong; i++)
{
strResult += array[r.Next(36)];
}
return strResult;
}
/// <summary>
/// 获取一个由26个小写字母组成的指定长度的随即字符串
/// </summary>
/// <param name="lenght">指定长度</param>
/// <returns></returns>
public static string GetRamdonLower(int lenght)
{
string strResult = "";
string[] array = { "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z" };
Random r = new Random();
for (int i = 0; i < lenght; i++)
{
strResult += array[r.Next(26)];
}
return strResult;
}
/// <summary>
/// 替换字符串
/// </summary>
/// <param name="oldValue">要替换的字符串</param>
/// <param name="newValue">目标字符串</param>
/// <param name="s">原字符串</param>
public static string Replace(this string s, string oldValue, string newValue)
{
if (s.Exist(oldValue))
{
return s.Replace(oldValue, newValue);
}
else
{
return s;
}
}
/// <summary>
/// 取字符串右侧的几个字符
/// </summary>
/// <param name="oldString">字符串</param>
/// <param name="length">右侧的几个字符</param>
/// <returns></returns>
public static string GetStringRight(this string oldString, int length)
{
string Rev = "";
if (oldString.Length < length)
{
Rev = oldString;
}
else
{
Rev = oldString.Substring(oldString.Length - length, length);
}
return Rev;
}
/// <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(this string p_SrcString, int p_Length, string p_TailString)
{
return GetSubString(p_SrcString, 0, p_Length, p_TailString);
}
/// <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(this string p_SrcString, int p_StartIndex, int p_Length, string p_TailString)
{
string myResult = p_SrcString;
//当是日文或韩文时(注:中文的范围:\u4e00 - \u9fa5, 日文在\u0800 - \u4e00, 韩文为\xAC00-\xD7A3)
if (System.Text.RegularExpressions.Regex.IsMatch(p_SrcString, "[\u0800-\u4e00]+") ||
System.Text.RegularExpressions.Regex.IsMatch(p_SrcString, "[\xAC00-\xD7A3]+"))
{
//当截取的起始位置超出字段串长度时
if (p_StartIndex >= p_SrcString.Length)
{
return "";
}
else
{
return p_SrcString.Substring(p_StartIndex,
((p_Length + p_StartIndex) > p_SrcString.Length) ? (p_SrcString.Length - p_StartIndex) : p_Length);
}
}
if (p_Length >= 0)
{
byte[] bsSrcString = Encoding.Default.GetBytes(p_SrcString);
//当字符串长度大于起始位置
if (bsSrcString.Length > p_StartIndex)
{
int p_EndIndex = bsSrcString.Length;
//当要截取的长度在字符串的有效长度范围内
if (bsSrcString.Length > (p_StartIndex + p_Length))
{
p_EndIndex = p_Length + p_StartIndex;
}
else
{ //当不在有效范围内时,只取到字符串的结尾
p_Length = bsSrcString.Length - p_StartIndex;
p_TailString = "";
}
int nRealLength = p_Length;
int[] anResultFlag = new int[p_Length];
byte[] bsResult = null;
int nFlag = 0;
for (int i = p_StartIndex; i < p_EndIndex; i++)
{
if (bsSrcString[i] > 127)
{
nFlag++;
if (nFlag == 3)
{
nFlag = 1;
}
}
else
{
nFlag = 0;
}
anResultFlag[i] = nFlag;
}
if ((bsSrcString[p_EndIndex - 1] > 127) && (anResultFlag[p_Length - 1] == 1))
{
nRealLength = p_Length + 1;
}
bsResult = new byte[nRealLength];
Array.Copy(bsSrcString, p_StartIndex, bsResult, 0, nRealLength);
myResult = Encoding.Default.GetString(bsResult);
myResult = myResult + p_TailString;
}
}
return myResult;
}
#endregion
#region 字符串验证操作
///<summary>
///检测当前字符串是否在另一个字符中
///</summary>
///<param name="oldString">原始字符串</param>
///<param name="aimString">检查的字符串</param>
///<returns>存在返回true,否则返回false</returns>
public static bool Exist(this string oldString, string aimString)
{
bool Rev = true;
string chr;
if (string.IsNullOrEmpty(aimString))
return false;
for (int i = 0; i < aimString.Length; i++)
{
chr = aimString.Substring(i, 1);
if (oldString.IndexOf(chr, StringComparison.InvariantCulture) < 0)
{
return false;
}
}
if (oldString.IndexOf(aimString, StringComparison.InvariantCulture) < 0)
{
return false;
}
return Rev;
}
/// <summary>
/// 判断输入的字符串是否完全匹配正则
/// </summary>
/// <param name="RegexExpression">正则表达式</param>
/// <param name="str">待判断的字符串</param>
/// <returns></returns>
public static bool IsValiable(this string str, string RegexExpression)
{
bool blResult = false;
Regex rep = new Regex(RegexExpression, RegexOptions.IgnoreCase);
//blResult = rep.IsMatch(str);
Match mc = rep.Match(str);
if (mc.Success)
{
if (mc.Value == str) blResult = true;
}
return blResult;
}
/// <summary>
/// 是否存在于一个string[]数组中
/// </summary>
/// <param name="CheckArray">要检查的数据</param>
/// <param name="s">字符串</param>
public static bool InArray(this string s, string[] CheckArray)
{
int Result = (from m in CheckArray where m == s select m).Count();
return Result >= 1;
}
/// <summary>
/// 判断字符串是否为有效的邮件地址
/// </summary>
/// <param name="email"></param>
/// <returns></returns>
public static bool IsValidEmail(this string email)
{
return Regex.IsMatch(email, @"^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}|[0-9]{1,3})(\]?)$");
}
/// <summary>
/// 判断字符串是否为有效的URL地址
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public static bool IsValidURL(this string url)
{
return Regex.IsMatch(url, @"^(http|https|ftp)\://[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(:[a-zA-Z0-9]*)?/?([a-zA-Z0-9\-\._\?\,\'/\\\+&%\$#\=~])*[^\.\,\)\(\s]$");
}
/// <summary>
/// 判断字符串是否为Int类型的
/// </summary>
/// <param name="val"></param>
/// <returns></returns>
public static bool IsValidInt(this string val)
{
return Regex.IsMatch(val, @"^[1-9]\d*\.?[0]*$");
}
/// <summary>
/// 检测字符串是否全为正整数
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool IsNum(this string str)
{
bool blResult = true;//默认状态下是数字
if (str == "")
blResult = false;
else
{
foreach (char Char in str)
{
if (!char.IsNumber(Char))
{
blResult = false;
break;
}
}
if (blResult)
{
if (int.Parse(str) == 0)
blResult = false;
}
}
return blResult;
}
/// <summary>
/// 检测字符串是否全为数字型
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool IsDouble(this string str)
{
bool blResult = true;//默认状态下是数字
if (str == "")
blResult = false;
else
{
foreach (char Char in str)
{
if (!char.IsNumber(Char) && Char.ToString() != "-")
{
blResult = false;
break;
}
}
}
return blResult;
}
/// <summary>
/// 检测身份证是否合法
/// </summary>
public static bool IsIDCard(this string str)
{
return IDCardValid.CheckIDCard(str);
}
#endregion
#region 对HTML字符串的操作
/// <summary>
/// 获取HTML中的图片路径
/// </summary>
public static ArrayList GetImages(this string Html)
{
ArrayList arr = new ArrayList();
StringBuilder sbImg = new StringBuilder();
MatchCollection mc = Regex.Matches(Html, @"<img.*?src=""(?<img>[^""]*)""[^>]*>", RegexOptions.IgnoreCase);
foreach (Match m in mc)
{
arr.Add(m.Groups["img"].Value);
}
return arr;
}
/// <summary>
/// 去掉所有HTML代码
/// </summary>
public static string StripHtml(this string s)
{
Regex regex = new Regex("<.+?>", RegexOptions.IgnoreCase);
string strOutput = regex.Replace(s, "");
return strOutput;
}
/// <summary>
/// HTML编码
/// </summary>
/// <param name="s">字符串</param>
/// <returns></returns>
public static string HtmlEncode(this string s)
{
string str;
try
{
str = HttpContext.Current.Server.HtmlEncode(s).Replace("\"", "["]").Replace("'", "[']");
}
catch
{
str = "error";
}
return str;
}
/// <summary>
/// HTML解码
/// </summary>
/// <remarks>HTML解码</remarks>
/// <param name="s">字符串</param>
/// <returns>string</returns>
public static string HtmlDecode(this string s)
{
string str;
try
{
str = HttpContext.Current.Server.HtmlDecode(s).Replace("["]", "\"").Replace("[']", "'");
}
catch
{
str = "";
}
return str;
}
/// <summary>
/// URL编码
/// </summary>
/// <param name="s">字符串</param>
/// <returns></returns>
public static string UrlEncoding(this string s)
{
return System.Web.HttpUtility.UrlEncode(s);
}
/// <summary>
/// URL解码
/// </summary>
/// <param name="s">字符串</param>
/// <returns></returns>
public static string UrlDecoding(this string s)
{
return System.Web.HttpUtility.UrlDecode(s);
}
/// <summary>
/// 返回FLash代码
/// </summary>
/// <param name="FileUrl">FLASH文件地址</param>
/// <param name="width">高度</param>
/// <param name="height">宽度</param>
public static string GetFlashString(this string FileUrl, int width, int height)
{
string tmp = "";
tmp = tmp + "<object classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9.0.28' width='" + width + "' height='" + height + "'>";
tmp = tmp + "<param name='movie' value='" + FileUrl + "' />";
tmp = tmp + "<param name='quality' value='high' />";
tmp = tmp + "<param name='allowScriptAccess' value='sameDomain' />";
tmp = tmp + "<param name='allowFullScreen' value='true' />";
tmp = tmp + "<embed src='" + FileUrl + "' quality='high' pluginspage='http://www.macromedia.com/go/getflashplayer' type='application/x-shockwave-flash' width='" + width + "' height='" + height + "'>";
tmp = tmp + "</embed></object>";
return tmp;
}
/// <summary>
/// 返回MediaPaly文件代码
/// </summary>
/// <param name="FileUrl">文件地址</param>
/// <param name="width">高度</param>
/// <param name="height">宽度</param>
public static string GetMediaString(this string FileUrl, int width, int height)
{
string tmp = "";
tmp = tmp + "<object classid='clsid:22D6F312-B0F6-11D0-94AB-0080C74C7E95' id='MediaPlayer1' width='" + width + "' height='" + height + "'>";
tmp = tmp + "<param name='AudioStream' value='-1'>";
tmp = tmp + "<param name='AutoSize' value='-1'>";
//是否自动调整播放大小
tmp = tmp + "<param name='AutoStart' value='-1'>";
//是否自动播放
tmp = tmp + "<param name='AnimationAtStart' value='-1'>";
tmp = tmp + "<param name='AllowScan' value='-1'>";
tmp = tmp + "<param name='AllowChangeDisplaySize' value='-1'>";
tmp = tmp + "<param name='AutoRewind' value='0'>";
tmp = tmp + "<param name='Balance' value='0'>";
//左右声道平衡,最左-9640,最右9640
tmp = tmp + "<param name='BaseURL' value>";
tmp = tmp + "<param name='BufferingTime' value='15'>";
//缓冲时间
tmp = tmp + "<param name='CaptioningID' value>";
tmp = tmp + "<param name='ClickToPlay' value='-1'>";
tmp = tmp + "<param name='CursorType' value='0'>";
tmp = tmp + "<param name='CurrentPosition' value='0'>";
//当前播放进度 -1 表示不变,0表示开头 单位是秒,比如10表示从第10秒处开始播放,值必须是-1.0或大于等于0
tmp = tmp + "<param name='CurrentMarker' value='0'>";
tmp = tmp + "<param name='DefaultFrame' value>";
tmp = tmp + "<param name='DisplayBackColor' value='0'>";
tmp = tmp + "<param name='DisplayForeColor' value='16777215'>";
tmp = tmp + "<param name='DisplayMode' value='0'>";
tmp = tmp + "<param name='DisplaySize' value='0'>";
//视频1-50%, 0-100%, 2-200%,3-全屏 其它的值作0处理,小数则采用四舍五入然后按前的处理
tmp = tmp + "<param name='Enabled' value='-1'>";
tmp = tmp + "<param name='EnableContextMenu' value='-1'>";
//是否用右键弹出菜单控制
tmp = tmp + "<param name='EnablePositionControls' value='-1'>";
tmp = tmp + "<param name='EnableFullScreenControls' value='-1'>";
tmp = tmp + "<param name='EnableTracker' value='-1'>";
//是否允许拉动播放进度条到任意地方播放
tmp = tmp + "<param name='Filename' value='" + FileUrl + "' valuetype='ref'>";
//播放的文件地址
tmp = tmp + "<param name='InvokeURLs' value='-1'>";
tmp = tmp + "<param name='Language' value='-1'>";
tmp = tmp + "<param name='Mute' value='0'>";
//是否静音
tmp = tmp + "<param name='PlayCount' value='10'>";
//重复播放次数,0为始终重复
tmp = tmp + "<param name='PreviewMode' value='-1'>";
tmp = tmp + "<param name='Rate' value='1'>";
//播放速率控制,1为正常,允许小数
tmp = tmp + "<param name='SAMIStyle' value>";
//SAMI样式
tmp = tmp + "<param name='SAMILang' value>";
tmp = tmp + "<param name='SAMIFilename' value>";
//字幕ID
tmp = tmp + "<param name='SelectionStart' value='-1'>";
tmp = tmp + "<param name='SelectionEnd' value='-1'>";
tmp = tmp + "<param name='SendOpenStateChangeEvents' value='-1'>";
tmp = tmp + "<param name='SendWarningEvents' value='-1'>";
tmp = tmp + "<param name='SendErrorEvents' value='-1'>";
tmp = tmp + "<param name='SendKeyboardEvents' value='0'>";
tmp = tmp + "<param name='SendMouseClickEvents' value='0'>";
tmp = tmp + "<param name='SendMouseMoveEvents' value='0'>";
tmp = tmp + "<param name='SendPlayStateChangeEvents' value='-1'>";
tmp = tmp + "<param name='ShowCaptioning' value='0'>";
//是否显示字幕,为一块黑色,下面会有一大块黑色,一般不显示
tmp = tmp + "<param name='ShowControls' value='-1'>";
//是否显示控制,比如播放,停止,暂停
tmp = tmp + "<param name='ShowAudioControls' value='-1'>";
//是否显示音量控制
tmp = tmp + "<param name='ShowDisplay' value='0'>";
//显示节目信息,比如版权等
tmp = tmp + "<param name='ShowGotoBar' value='0'>";
//是否启用上下文菜单
tmp = tmp + "<param name='ShowPositionControls' value='-1'>";
//是否显示往前往后及列表,如果显示一般也都是灰色不可控制
tmp = tmp + "<param name='ShowStatusBar' value='-1'>";
//当前播放信息,显示是否正在播放,及总播放时间和当前播放到的时间
tmp = tmp + "<param name='ShowTracker' value='-1'>";
//是否显示当前播放跟踪条,即当前的播放进度条
tmp = tmp + "<param name='TransparentAtStart' value='-1'>";
tmp = tmp + "<param name='VideoBorderWidth' value='0'>";
//显示部的宽部,如果小于视频宽,则最小为视频宽,或者加大到指定值,并自动加大高度.此改变只改变四周的黑框大小,不改变视频大小
tmp = tmp + "<param name='VideoBorderColor' value='0'>";
//显示黑色框的颜色, 为RGB值,比如ffff00为黄色
tmp = tmp + "<param name='VideoBorder3D' value='0'>";
tmp = tmp + "<param name='Volume' value='0'>";
//音量大小,负值表示是当前音量的减值,值自动会取绝对值,最大为0,最小为-9640
tmp = tmp + "<param name='WindowlessVideo' value='0'>";
//如果是0可以允许全屏,否则只能在窗口中查看
tmp = tmp + "</object>";
return tmp;
}
#endregion
#region 对字符串的加密/解密
/// <summary>
/// 对字符串进行适应 ServU 的 MD5 加密
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static string strServUPWD(this string str)
{
string strResult = "";
strResult = GetRamdonLower(2);
str = strResult + str;
str = str.MD5Hash();
str = strResult + str;
return str;
}
/// <summary>
/// 对字符串进行MD5加密
/// </summary>
public static string MD5Hash(this string s)
{
return FormsAuthentication.HashPasswordForStoringInConfigFile(s, "MD5");
}
/// <summary>
/// 对字符串进行SHA1加密
/// </summary>
public static string SHA1Hash(this string s)
{
return FormsAuthentication.HashPasswordForStoringInConfigFile(s, "SHA1");
}
/// <summary>
/// 对字符串进行加密
/// </summary>
/// <param name="Passowrd">待加密的字符串</param>
/// <returns>string</returns>
public static string Encrypt(this string Passowrd)
{
string strResult = "";
FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(Passowrd, true, 2);
strResult = FormsAuthentication.Encrypt(ticket).ToString();
return strResult;
}
/// <summary>
/// 对字符串进行解密
/// </summary>
/// <param name="Passowrd">已加密的字符串</param>
/// <returns></returns>
public static string Decrypt(this string Passowrd)
{
string strResult = "";
strResult = FormsAuthentication.Decrypt(Passowrd).Name.ToString();
return strResult;
}
//默认密钥向量
private static byte[] Keys = { 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF };
/// <summary>
/// DES加密字符串
/// </summary>
/// <param name="encryptString">待加密的字符串</param>
/// <param name="encryptKey">加密密钥,要求为8位</param>
/// <returns>加密成功返回加密后的字符串，失败返回源串</returns>
public static string EncryptDES(this string encryptString, string encryptKey)
{
try
{
byte[] rgbKey = Encoding.UTF8.GetBytes(encryptKey.Substring(0, 8));
byte[] rgbIV = Keys;
byte[] inputByteArray = Encoding.UTF8.GetBytes(encryptString);
DESCryptoServiceProvider dCSP = new DESCryptoServiceProvider();
MemoryStream mStream = new MemoryStream();
CryptoStream cStream = new CryptoStream(mStream, dCSP.CreateEncryptor(rgbKey, rgbIV), CryptoStreamMode.Write);
cStream.Write(inputByteArray, 0, inputByteArray.Length);
cStream.FlushFinalBlock();
return Convert.ToBase64String(mStream.ToArray());
}
catch
{
return encryptString;
}
}
/// <summary>
/// DES解密字符串
/// </summary>
/// <param name="decryptString">待解密的字符串</param>
/// <param name="decryptKey">解密密钥,要求为8位,和加密密钥相同</param>
/// <returns>解密成功返回解密后的字符串，失败返源串</returns>
public static string DecryptDES(this string decryptString, string decryptKey)
{
try
{
byte[] rgbKey = Encoding.UTF8.GetBytes(decryptKey);
byte[] rgbIV = Keys;
byte[] inputByteArray = Convert.FromBase64String(decryptString);
DESCryptoServiceProvider DCSP = new DESCryptoServiceProvider();
MemoryStream mStream = new MemoryStream();
CryptoStream cStream = new CryptoStream(mStream, DCSP.CreateDecryptor(rgbKey, rgbIV), CryptoStreamMode.Write);
cStream.Write(inputByteArray, 0, inputByteArray.Length);
cStream.FlushFinalBlock();
return Encoding.UTF8.GetString(mStream.ToArray());
}
catch
{
return decryptString;
}
}
#endregion
#region Unix时间戳与C# DateTime时间类型互换
/// <summary>
/// 将Unix时间戳转换为DateTime类型时间
/// </summary>
/// <param name="d">double 型数字</param>
/// <returns>DateTime</returns>
public static DateTime ConvertIntDateTime(this double d)
{
System.DateTime time = System.DateTime.MinValue;
System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
time = startTime.AddSeconds(d);
return time;
}
/// <summary>
/// 将c# DateTime时间格式转换为Unix时间戳格式
/// </summary>
/// <param name="time">时间</param>
/// <returns>double</returns>
public static double ConvertDateTimeInt(this DateTime time)
{
double intResult = 0;
System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));
intResult = (time - startTime).TotalSeconds;
return intResult;
}
#endregion
/// <summary>
/// 危险 SQL 过滤
/// </summary>
/// <param name="str">Sql执行串</param>
/// <returns>过滤结果</returns>
public static string SafeSql(string str)
{
if (str == "" || str == null)
{
return "";
}
else
{
return str.Replace("'", "").Trim();
}
}
}
}
