C#中字符串处理的一些自定义方法

using System.Collections.Generic;
using System.Linq;

using System;
using System.Configuration;
using System.Text;
using System.Text.RegularExpressions;
using System.Xml;
using System.Web;
using System.Collections;
using System.Net;
using System.IO;

namespace SystemFramework.CommonFunctions
{
/// <summary>
/// Summary description for StrManage.
/// </summary>
public class StrManage
{
public StrManage()
{
//
// TODO: Add constructor logic here
//
}

#region 是否是带小数的字符
/// <summary>
/// 是否是带小数的字符
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool IsDoubleValid(string str)
{
Regex r = new Regex(@"^-?\d+\.?\d*$");
return r.IsMatch(str);
}
#endregion

#region 是否是数的字符
/// <summary>
/// 是否是数的字符
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool IsNumberValid(string str)
{
Regex r = new Regex(@"^\d+$");
return r.IsMatch(str);
}
#endregion
/// <summary>
/// 获取远程页面代码..
/// </summary>
/// <param name="urlPath"></param>
/// <returns></returns>
public static string WebRequestGetString(string urlPath)
{
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(urlPath);

request.CookieContainer = new CookieContainer();
request.CookieContainer.SetCookies(new Uri(urlPath), "");
request.Credentials = CredentialCache.DefaultCredentials;
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream dataStream = response.GetResponseStream();
StreamReader reader = new StreamReader(dataStream, Encoding.GetEncoding("GB2312"));
string responseFromStream = reader.ReadToEnd();
reader.Close();
response.Close();
return responseFromStream;
}
/// <summary>
/// 弹出页面
/// </summary>
/// <param name="url"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <returns></returns>
public static string JsOpenWindow(string url, int width, int height)
{
return "window.open(\"" + RemoveEnter(url) + "\",\"\",\"top=150,left=250,height=" + height.ToString() + ",width=" + width.ToString() + ",status=yes,toolbar=yes,menubar=yes,location=yes,scrollbars=yes,resizable=yes\")";
}

private static string RemoveEnter(string input)
{
return input.Replace("\r", string.Empty);
}
/// <summary>
/// 拆分字符串

/// </summary>
/// <param name="instrString">要拆分的字符串</param>
/// <param name="instrSeparating">拆分的分隔串</param>
/// <returns>拆分出的字符串数组</returns>
public static string[] SplitString(string instrString, string instrSeparating)
{
return instrString.Split(instrSeparating.ToCharArray());
}

/// <summary>
/// 用分号拆分字符串
/// </summary>
/// <param name="instrString">要拆分的字符串</param>
/// <returns>拆分出的字符串数组</returns>
public static string[] SplitString(string instrString)
{
return SplitString(instrString, ";");
}
/// <summary>
/// 判断字符串是否为空

/// </summary>
/// <param name="instrBlank">要判断的字符串</param>
/// <returns>空字符串：true 非空字符串：false</returns>
public static bool IsBlank(string instrBlank)
{
if (instrBlank == null || instrBlank.Trim().Length == 0)
{
//有三种情况这里返回true
//1.字符串为null
//2.空字符串
//3.只包含空格的字符串

return true;
}
else
{
return false;
}
}
/// <summary>
/// 将信用卡号进行加密，只保留前后四位
/// </summary>
/// <param name="sCardNO">原有卡号</param>
/// <returns>加密后的卡号</returns>
public static string HiddenCardNO(string sCardNO)
{
if (sCardNO.Length >= 8)
{
sCardNO = sCardNO.Substring(0, 4) + "********" + sCardNO.Substring(sCardNO.Length - 4, 4);
}
return sCardNO;
}
/// <summary>
/// 判断字符串中是否全是GB2312字符
/// </summary>
/// <param name="strText">字符串</param>
/// <returns>false：含有有非GB2312字符</returns>
public static bool IsGB2312code(string strText)
{
string sTemp = "";
bool result = true;
int asc = -1;
for (int i = 0; i < strText.Length; i++)
{
sTemp = strText[i].ToString();
asc = (int)strText[i];
if (asc > 127 || asc < 0)//是汉字
{
byte[] charbyte = Encoding.Default.GetBytes(strText[i].ToString().ToCharArray());
if ((charbyte[1] >= 64 && charbyte[1] <= 160) || (charbyte[0] >= 129 && charbyte[0] <= 160))
//if((charbyte[1] >= 64 && charbyte[1] <= 160) || (charbyte[0] >= 129 && charbyte[0] < 176) || (charbyte[0] > 247) ) //update by 邢文龙2007-05-16
//if((charbyte[1] > 254) || (charbyte[1] < 161) || (charbyte[0] < 176) || (charbyte[0] > 247)) //update by 邢文龙2007-05-17
{
result = false;
break;
}
}
}
return result;
}
/// <summary>
/// 从html中获取页面上的图片URL
/// </summary>
/// <param name="HtmlText"></param>
/// <returns></returns>
public static ArrayList GetImgSrcsFromHtml(string HtmlText)
{
#region 获取页面上的图片URL
ArrayList Value = new ArrayList();
Regex resrc = new Regex(@"\<img(.*)>", RegexOptions.IgnoreCase | RegexOptions.Singleline);
if (resrc.Matches(HtmlText).Count > 0)
{
string src = resrc.Matches(HtmlText)[0].Value;
Regex re = new Regex(@"<img[^>]*?src\s*=\s*(""(?<src>[^""]+?)""|'(?<src>[^']+?)'|(?<src>[^\s>]+))[^>]*?>", RegexOptions.IgnoreCase | RegexOptions.Singleline);

foreach (Match srcMatch in re.Matches(src))
{
string SrcUrl = srcMatch.Groups["src"].Value;
if (!Value.Contains(SrcUrl))
{
Value.Add(SrcUrl);
}
}
}
return Value;
#endregion
}
/// 从HTML中获取纯文本
/// </summary>
/// <param name="HtmlText">HTML</param>
/// <returns>不含html标识的文本</returns>
public static string GetPlainText(string HtmlText)
{
string Value = HtmlText.ToLower();
Value = Regex.Replace(Value, "<[^>]*>", "", RegexOptions.Multiline | RegexOptions.IgnoreCase);
return Value.Replace("\t", "").Replace("\r", "").Replace("\n", "").Replace(" ", "").Replace("　", "").Replace("&nbsp;", "").Replace("&gt;", "").Trim();
}

#region 拼音变量
private static 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};
private static 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

/// <summary>
/// 汉字转换全拼
/// </summary>
/// <param name="strChinese">要转换拼音的汉字</param>
/// <returns>转换后的全拼</returns>
public static string GetAllWordSpell(string strChinese)
{
#region 汉字转换全拼
byte[] array = new byte[2];
string returnstr = "";
int chrasc = 0;
int i1 = 0;
int i2 = 0;
char[] nowchar = strChinese.ToCharArray();
for (int j = 0; j < nowchar.Length; j++)
{
array = System.Text.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
}

/// <summary>
/// 获得大写中文简拼
/// </summary>
/// <param name="strChinese">输入中文字符串</param>
/// <returns>返回大写简拼</returns>
public static string GetWordSpell(string strChinese)
{
#region 获得大写中文简拼
int slen, xx;
string Ss1;

Ss1 = "";
slen = strChinese.Length;
if (slen == 0)
{
Ss1 = "";
return Ss1;
}

Encoding strANSI = Encoding.Default;
char[] c = new char[1];
for (xx = 0; xx < slen; xx++)
{
c[0] = strChinese[xx];
byte[] Hz = strANSI.GetBytes(c);

if (Hz.GetLength(0) == 1) // 普通字符
{
Ss1 = Ss1 + c[0];
continue;
}

int i = Hz[0] * 256 + Hz[1];
if (i >= 45217 && i < 45253)
{
Ss1 = Ss1 + "A";
}
if (i >= 45253 && i < 45761)
{
Ss1 = Ss1 + "B";
}
if (i >= 45761 && i < 46318)
{
Ss1 = Ss1 + "C";
}
if (i >= 46318 && i < 46826)
{
Ss1 = Ss1 + "D";
}
if (i >= 46826 && i < 47010)
{
Ss1 = Ss1 + "E";
}
if (i >= 47010 && i < 47297)
{
Ss1 = Ss1 + "F";
}
if (i >= 47297 && i < 47614)
{
Ss1 = Ss1 + "G";
}
if (i >= 47614 && i < 48119)
{
Ss1 = Ss1 + "H";
}
if (i >= 48119 && i < 49062)
{
Ss1 = Ss1 + "J";
}
if (i >= 49062 && i < 49324)
{
Ss1 = Ss1 + "K";
}
if (i >= 49324 && i < 49896)
{
Ss1 = Ss1 + "L";
}
if (i >= 49896 && i < 50371)
{
Ss1 = Ss1 + "M";
}
if (i >= 50371 && i < 50614)
{
Ss1 = Ss1 + "N";
}
if (i >= 50614 && i < 50622)
{
Ss1 = Ss1 + "O";
}
if (i >= 50622 && i < 50906)
{
Ss1 = Ss1 + "P";
}
if (i >= 50906 && i < 51387)
{
Ss1 = Ss1 + "Q";
}
if (i >= 51387 && i < 51446)
{
Ss1 = Ss1 + "R";
}
if (i >= 51446 && i < 52218)
{
Ss1 = Ss1 + "S";
}
if (i >= 52218 && i < 52698)
{
Ss1 = Ss1 + "T";
}
if (i >= 52698 && i < 52980)
{
Ss1 = Ss1 + "W";
}
if (i >= 52980 && i < 53689)
{
Ss1 = Ss1 + "X";
}
if (i >= 53689 && i < 54481)
{
Ss1 = Ss1 + "Y";
}
if (i >= 54481 && i < 55290)
{
Ss1 = Ss1 + "Z";
}
}
return Ss1;
#endregion
}

/// <summary>
/// 除去字符多余的分隔符，比如：";;酒店;;;;普通;;;"将返回"酒店;普通"
/// </summary>
/// <param name="str">待处理的字符串</param>
/// <param name="separator">分隔符</param>
/// <returns></returns>
public static string TrimSeparator(string str, string separator)
{
#region 除去字符多余的分隔符，比如：";;酒店;;;;普通;;;"将返回"酒店;普通"
try
{
if (null == str) return "";
if (str.Equals("")) return str;

char[] chr = separator.ToCharArray();
string[] strlist = str.Split(chr);
string newstr = "";
for (int i = 0; i < strlist.Length; i++)
{
if (strlist[i] == null || strlist[i].Trim().Equals("")) continue;
newstr += strlist[i].Trim() + separator;
}
newstr = newstr.TrimEnd(chr);
return newstr;
}
catch
{
return str;
}
#endregion
}
/// <summary>
/// 需用于处理的值，如传入DataRow1["colName"],true时将返回DataRow1["colName"].ToString()或者null值
/// </summary>
/// <param name="val">一个承载了值得对象</param>
/// <param name="nullable">是否允许返回值为null</param>
/// <returns></returns>
public static string KillNull(object val, bool nullable)
{
if ((null == val) || (val == System.DBNull.Value))
{
return nullable ? null : "";
}
return val.ToString();
}
public static string KillNull(object val)
{
string str = "";
if ((null == val) || (val == System.DBNull.Value) || val.ToString().Equals(""))
{
str = "无";
}
else
{
str = val.ToString();
}
return str;

}
/// <summary>
/// 判断输入的字符是否为空，是的话，返回&nbsp;
/// </summary>
/// <param name="Str"></param>
/// <returns></returns>
public static string ToHTMLSpace(string Str)
{
if (Str.Length == 0)
{
return "&nbsp;";
}
else
{
return Str;
}
}

/// <summary>
/// 截取字符串的前几位
/// </summary>
/// <param name="Str">字符串</param>
/// <param name="x">截取位数</param>
/// <returns></returns>
public static string GetStringPlace(string Str, int x)
{
if (Str.Trim().Length > x)
{
return Str.Substring(0, x).ToString();
}
else
{
return Str.Trim();
}
}
/// <summary>
/// 截取字符串的前几位,并在后面加点
/// </summary>
/// <param name="Str">字符串</param>
/// <param name="x">截取位数</param>
/// <param name="DotNum"></param>
/// <returns></returns>
public static string GetStringPlace(string Str, int x, int DotNum)
{
if (Str.Trim().Length > x)
{
return Str.Substring(0, x).ToString() + "…";
}
else
{
return Str.Trim();
}
}

/// <summary>
/// 检查输入的字符串是不是数字
/// </summary>
/// <param name="Str">数字形式的字符串</param>
/// <returns>字符串是否为数字形式</returns>
public static bool IsNum(string Str)
{
bool Rtn = true;
try
{
double d1 = double.Parse(Str.Trim());
return Rtn;
}
catch
{
Rtn = false;
return Rtn;
}
}

/// <summary>
/// 判断输入字符串是不是日期时间形式
/// </summary>
/// <param name="Str">日期时间形式的字符串</param>
/// <returns>输入字符串是不是日期时间形式：是或否</returns>
public static bool IsDate(string Str)
{
try
{
DateTime dt = DateTime.Parse(Str.Trim());
return true;
}
catch
{
return false;
}
}

/// <summary>
/// 把银行账号变成四位一空格形式
/// </summary>
/// <param name="AccountNumber">银行账号字符串</param>
/// <returns>将传入字符串每四位增加一个空格，不足四位的返回原串</returns>
public static string FormatAccountNumber(string AccountNumber)
{
string an;
an = AccountNumber.Trim();
if (an.Length <= 4)
{
return an;
}
else
{
string s = "";
for (int i = 0; i < an.Length; i++)
{

if ((i % 4) == 0)
{
s += " ";
}
s += an.Substring(i, 1);
}
return s;
}
}

/// <summary>
/// 把字符串中的”\r\n” 转换为”< br>”
/// </summary>
/// <param name="Str">含有”\r\n”的字符串</param>
/// <returns>含有”< br>”的字符串</returns>
public static string ConvertReturn(string Str)
{
string rtn = "";
if (Str.Length > 0)
{
rtn = Str;
rtn = rtn.Replace("\r\n", "<br>");
}
else
{
rtn = String.Empty;
}

return rtn;
}

/// <summary>
/// 去掉字符串中的不需要的字符，字符在web.Config中定义。
/// </summary>
/// <param name="Str">字符串</param>
/// <returns>去掉Mask后的字符串</returns>
public static string RemoveChar(string Str)
{
string Mask = "<b>,</b>,<p>,</p>,<strong>,</strong>,*,&&,#,（周末特价）,(周末特价),&";
string OKStr = Str.ToLower();
string delimStr = ",";
char[] delimiter = delimStr.ToCharArray();
string[] Arr = Mask.Split(delimiter);
foreach (string s in Arr)
{
OKStr = OKStr.Replace(s, "");
}
return OKStr;
}

/// <summary>
/// 去掉字符串中的”/r/n”
/// </summary>
/// <param name="Str">字符串</param>
/// <returns>去掉”/r/n”后的字符串</returns>
public static string RemoveReturn(string Str)
{
string rtn = "";
if (Str.Length > 0)
{
rtn = Str;
rtn = rtn.Replace("\r\n", "");
}
else
{
rtn = String.Empty;
}

return rtn;
}

/// <summary>
/// 替换掉对数据库不安全的字符串
/// </summary>
/// <param name="Str">含有英文逗号等不安全字符的字符串</param>
/// <returns>替换掉对数据库不安全的字符后的字符串</returns>
public static string ParseTxt(string Str)
{
string rtn = "";

if (Str.Length > 0)
{
rtn = Str.Trim();
rtn = Str.Replace("'", "’");//把英文单引号替换成中文的，防止数据库写入错误
//rtn=rtn.Replace("<","（");//防止页面错误
//rtn=rtn.Replace(">","）");
}
else
{
rtn = string.Empty;
}
return rtn;
}

/// <summary>
/// 得到字符串的字节长度
/// </summary>
/// <param name="Str">字符串</param>
/// <returns>字节长度</returns>
public static int GetByteLength(string Str)
{
byte[] bytes = Encoding.Default.GetBytes(Str);
return bytes.Length;
}

public static string ShowStr(int TxtID, int LangID)
{
//HttpServerUtility S=new ;
string LangTxtFile = "";// HttpContext.Current.Server.MapPath(System.Configuration.ConfigurationSettings.AppSettings["SiteRoot"].ToString() + "XML/Lang.xml");
System.Xml.XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(LangTxtFile);
XmlNodeList xnl = xmlDoc.DocumentElement.ChildNodes;
string BackTxt = "";
foreach (XmlNode node in xnl)
{
if (node.Attributes["ID"].Value == TxtID.ToString())
{
if (LangID == 0)
BackTxt = node.Attributes["ENG"].Value;
else if (LangID == 142)
BackTxt = node.Attributes["CHN"].Value;
break;
}
}
return BackTxt;
}

/// <summary>
/// 将数字转化为相应的英文，仅限于1到9/Jove/06-07-06
/// </summary>
/// <param name="dig"></param>
/// <returns></returns>
public static string convertDigitToEng(int dig)
{
string strResult = "";

switch (dig)
{
case 1:
strResult = "One";
break;

case 2:
strResult = "Two";
break;

case 3:
strResult = "Three";
break;

case 4:
strResult = "For";
break;

case 5:
strResult = "Five";
break;

case 6:
strResult = "Six";
break;

case 7:
strResult = "Seven";
break;

case 8:
strResult = "Eight";
break;

case 9:
strResult = "Nine";
break;
}

return strResult;
}

/// <summary>
/// 汉字转换成拼音（全拼）
/// </summary>
/// <param name="pChinese"></param>
/// <returns></returns>
public static string ChineseToPinyin(string pChinese)
{
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"};

byte[] array = new byte[2];
string returnstr = "";
int chrasc = 0;
int i1 = 0;
int i2 = 0;
char[] nowchar = pChinese.ToCharArray();
for (int j = 0; j < nowchar.GetLength(0); j++)
{
array = System.Text.Encoding.Default.GetBytes(nowchar[j].ToString());
if (array.GetLength(0) != 2)
{
returnstr += nowchar[j];
}
else
{
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;
}
}
}