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public sealed partial class Str
{
#region Empty(空字符串)
public static string Empty
{
get { return string.Empty; }
}
#endregion
#region PinYin(获取汉字的拼音简码)
public static string PinYin(string chineseText)
{
if (string.IsNullOrWhiteSpace(chineseText))
return string.Empty;
var result = new StringBuilder();
foreach (char text in chineseText)
result.AppendFormat("{0}", ResolvePinYin(text));
return result.ToString().ToLower();
}
private static string ResolvePinYin(char text)
{
byte[] charBytes = Encoding.Default.GetBytes(text.ToString());
if (charBytes[0] <= 127)
return text.ToString();
var unicode = (ushort)(charBytes[0] * 256 + charBytes[1]);
string pinYin = ResolvePinYinByCode(unicode);
if (!string.IsNullOrWhiteSpace(pinYin))
return pinYin;
return ResolvePinYinByFile(text.ToString());
}
private static string ResolvePinYinByCode(ushort unicode)
{
if (unicode >= '\uB0A1' && unicode <= '\uB0C4')
return "A";
if (unicode >= '\uB0C5' && unicode <= '\uB2C0' && unicode != 45464)
return "B";
if (unicode >= '\uB2C1' && unicode <= '\uB4ED')
return "C";
if (unicode >= '\uB4EE' && unicode <= '\uB6E9')
return "D";
if (unicode >= '\uB6EA' && unicode <= '\uB7A1')
return "E";
if (unicode >= '\uB7A2' && unicode <= '\uB8C0')
return "F";
if (unicode >= '\uB8C1' && unicode <= '\uB9FD')
return "G";
if (unicode >= '\uB9FE' && unicode <= '\uBBF6')
return "H";
if (unicode >= '\uBBF7' && unicode <= '\uBFA5')
return "J";
if (unicode >= '\uBFA6' && unicode <= '\uC0AB')
return "K";
if (unicode >= '\uC0AC' && unicode <= '\uC2E7')
return "L";
if (unicode >= '\uC2E8' && unicode <= '\uC4C2')
return "M";
if (unicode >= '\uC4C3' && unicode <= '\uC5B5')
return "N";
if (unicode >= '\uC5B6' && unicode <= '\uC5BD')
return "O";
if (unicode >= '\uC5BE' && unicode <= '\uC6D9')
return "P";
if (unicode >= '\uC6DA' && unicode <= '\uC8BA')
return "Q";
if (unicode >= '\uC8BB' && unicode <= '\uC8F5')
return "R";
if (unicode >= '\uC8F6' && unicode <= '\uCBF9')
return "S";
if (unicode >= '\uCBFA' && unicode <= '\uCDD9')
return "T";
if (unicode >= '\uCDDA' && unicode <= '\uCEF3')
return "W";
if (unicode >= '\uCEF4' && unicode <= '\uD188')
return "X";
if (unicode >= '\uD1B9' && unicode <= '\uD4D0')
return "Y";
if (unicode >= '\uD4D1' && unicode <= '\uD7F9')
return "Z";
return string.Empty;
}
public static string ResolvePinYinByFile(string text)
{
int index = Const.ChinesePinYin.IndexOf(text, StringComparison.Ordinal);
if (index < 0)
return string.Empty;
return Const.ChinesePinYin.Substring(index + 1, 1);
}
#endregion
#region 获取全拼
public static string ConvertPinYin(string text)
{
Regex regex = new Regex("^[\u4e00-\u9fa5]$");
byte[] array = new byte[2];
string pyString = "";
int chrAsc = 0;
int i1 = 0;
int i2 = 0;
char[] noWChar = text.ToCharArray();
for (int j = 0; j < noWChar.Length; j++)
{
if (regex.IsMatch(noWChar[j].ToString()))
{
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)
{
pyString += noWChar[j];
}
else
{
if (chrAsc == -9254)
pyString += "Zhen";
else
{
for (int i = (ChinesePinYinValue.Length - 1); i >= 0; i--)
{
if (ChinesePinYinValue[i] <= chrAsc)
{
pyString += ChinesePinYinName[i];
break;
}
}
}
}
}
else
{
pyString += noWChar[j].ToString();
}
}
return pyString;
}
private static int[] ChinesePinYinValue = 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[] ChinesePinYinName = new string[]
{
"A","Ai","An","Ang","Ao","Ba","Bai","Ban","Bang","Bao","Bei","Ben",
"Beng","Bi","Bian","Biao","Bie","Bin","Bing","Bo","Bu","Ba","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
#region Splice(拼接集合元素)
public static string Splice<T>(IEnumerable<T> list, string quotes = "", string separator = ",")
{
if (list == null)
return string.Empty;
var result = new StringBuilder();
foreach (var each in list)
result.AppendFormat("{0}{1}{0}{2}", quotes, each, separator);
return result.ToString().TrimEnd(separator.ToCharArray());
}
#endregion
#region FirstUpper(将值的首字母大（小）写)
public static string FirstUpper(string value)
{
string firstChar = value.Substring(0, 1).ToUpper();
return firstChar + value.Substring(1, value.Length - 1);
}
public static string FirstLower(string value)
{
string firstChar = value.Substring(0, 1).ToLower();
return firstChar + value.Substring(1, value.Length - 1);
}
#endregion
#region ToCamel(将字符串转成驼峰形式)
public static string ToCamel(string value)
{
return FirstUpper(value.ToLower());
}
#endregion
#region ContainsChinese(是否包含中文)
public static bool ContainsChinese(string text)
{
const string pattern = "[\u4e00-\u9fa5]+";
return Regex.IsMatch(text, pattern);
}
#endregion
#region ContainsNumber(是否包含数字)
public static bool ContainsNumber(string text)
{
const string pattern = "[0-9]+";
return Regex.IsMatch(text, pattern);
}
#endregion
#region Distinct(去除重复)
public static string Distinct(string value)
{
var array = value.ToCharArray();
return new string(array.Distinct().ToArray());
}
#endregion
#region Truncate(截断字符串)
public static string Truncate(string text, int length, int endCharCount = 0, string endChar = ".")
{
if (string.IsNullOrWhiteSpace(text))
return string.Empty;
if (text.Length < length)
return text;
return text.Substring(0, length) + GetEndString(endCharCount, endChar);
}
private static string GetEndString(int endCharCount, string endChar)
{
StringBuilder result = new StringBuilder();
for (int i = 0; i < endCharCount; i++)
result.Append(endChar);
return result.ToString();
}
#endregion
#region ToSimplifiedChinese(转换为简体中文)
public static string ToSimplifiedChinese(string text)
{
return Strings.StrConv(text, VbStrConv.SimplifiedChinese);
}
#endregion
#region ToSimplifiedChinese(转换为繁体中文)
public static string ToTraditionalChinese(string text)
{
return Strings.StrConv(text, VbStrConv.TraditionalChinese);
}
#endregion
#region Unique(获取全局唯一值)
public static string Unique()
{
return Guid.NewGuid().ToString().Replace("-", "");
}
#endregion
#region GetLastProperty(获取最后一个属性)
public static string GetLastProperty(string propertyName)
{
if (propertyName.IsEmpty())
return string.Empty;
var lastIndex = propertyName.LastIndexOf(".", StringComparison.Ordinal) + 1;
return propertyName.Substring(lastIndex);
}
#endregion
}
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