获取字符串中的汉字拼音首字母
(根据http://blog.csdn.net/iwebsms/archive/2004/09/28/119851.aspx修改)
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public class CLetter
2
{
3
private string _string;
4
public CLetter(string IndexTxt)
5
{
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_string = string.Empty;
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if (IndexTxt.Length == 0) return;
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_string = IndexCode(IndexTxt);
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}
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public string FirtLetters
11
{
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get { return _string; }
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}
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//返回给定字符串的首字母
15
private String IndexCode(string IndexTxt)
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{
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String _Temp = null;
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for (int i = 0; i < IndexTxt.Length; i++)
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_Temp = _Temp + GetOneIndex(IndexTxt.Substring(i, 1));
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return _Temp;
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}
22![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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//得到单个字符的首字母
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private String GetOneIndex(String OneIndexTxt)
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{
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if (Convert.ToChar(OneIndexTxt) >= 0 && Convert.ToChar(OneIndexTxt) < 256)
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return OneIndexTxt;
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else
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{
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Encoding gb2312 = Encoding.GetEncoding("gb2312");
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byte[] unicodeBytes = Encoding.Unicode.GetBytes(OneIndexTxt);
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byte[] gb2312Bytes = Encoding.Convert(Encoding.Unicode, gb2312, unicodeBytes);
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return GetX(Convert.ToInt32(String.Format("{0:D2}", Convert.ToInt16(gb2312Bytes[0]) - 160)
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+ String.Format("{0:D2}", Convert.ToInt16(gb2312Bytes[1]) - 160)));
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}
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}
37![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
38
//根据区位得到首字母
39
private String GetX(int GBCode)
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{
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if (GBCode >= 1601 && GBCode < 1637) return "A";
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if (GBCode >= 1637 && GBCode < 1833) return "B";
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if (GBCode >= 1833 && GBCode < 2078) return "C";
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if (GBCode >= 2078 && GBCode < 2274) return "D";
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if (GBCode >= 2274 && GBCode < 2302) return "E";
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if (GBCode >= 2302 && GBCode < 2433) return "F";
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if (GBCode >= 2433 && GBCode < 2594) return "G";
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if (GBCode >= 2594 && GBCode < 2787) return "H";
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if (GBCode >= 2787 && GBCode < 3106) return "J";
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if (GBCode >= 3106 && GBCode < 3212) return "K";
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if (GBCode >= 3212 && GBCode < 3472) return "L";
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if (GBCode >= 3472 && GBCode < 3635) return "M";
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if (GBCode >= 3635 && GBCode < 3722) return "N";
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if (GBCode >= 3722 && GBCode < 3730) return "O";
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if (GBCode >= 3730 && GBCode < 3858) return "P";
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if (GBCode >= 3858 && GBCode < 4027) return "Q";
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if (GBCode >= 4027 && GBCode < 4086) return "R";
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if (GBCode >= 4086 && GBCode < 4390) return "S";
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if (GBCode >= 4390 && GBCode < 4558) return "T";
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if (GBCode >= 4558 && GBCode < 4684) return "W";
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if (GBCode >= 4684 && GBCode < 4925) return "X";
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if (GBCode >= 4925 && GBCode < 5249) return "Y";
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if (GBCode >= 5249 && GBCode <= 5589) return "Z";
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if (GBCode >= 5601 && GBCode <= 8794)
65
{
66
String CodeData = "cjwgnspgcenegypbtwxzdxykygtpjnmjqmbsgzscyjsyyfpggbzgydywjkgaljswkbjqhyjwpdzlsgmr"
67
+ "ybywwccgznkydgttngjeyekzydcjnmcylqlypyqbqrpzslwbdgkjfyxjwcltbncxjjjjcxdtqsqzycdxxhgckbphffss"
68
+ "pybgmxjbbyglbhlssmzmpjhsojnghdzcdklgjhsgqzhxqgkezzwymcscjnyetxadzpmdssmzjjqjyzcjjfwqjbdzbjgd"
69
+ "nzcbwhgxhqkmwfbpbqdtjjzkqhylcgxfptyjyyzpsjlfchmqshgmmxsxjpkdcmbbqbefsjwhwwgckpylqbgldlcctnma"
70
+ "eddksjngkcsgxlhzaybdbtsdkdylhgymylcxpycjndqjwxqxfyyfjlejbzrwccqhqcsbzkymgplbmcrqcflnymyqmsqt"
71
+ "rbcjthztqfrxchxmcjcjlxqgjmshzkbswxemdlckfsydsglycjjssjnqbjctyhbftdcyjdgwyghqfrxwckqkxebpdjpx"
72
+ "jqsrmebwgjlbjslyysmdxlclqkxlhtjrjjmbjhxhwywcbhtrxxglhjhfbmgykldyxzpplggpmtcbbajjzyljtyanjgbj"
73
+ "flqgdzyqcaxbkclecjsznslyzhlxlzcghbxzhznytdsbcjkdlzayffydlabbgqszkggldndnyskjshdlxxbcghxyggdj"
74
+ "mmzngmmccgwzszxsjbznmlzdthcqydbdllscddnlkjyhjsycjlkohqasdhnhcsgaehdaashtcplcpqybsdmpjlpcjaql"
75
+ "cdhjjasprchngjnlhlyyqyhwzpnccgwwmzffjqqqqxxaclbhkdjxdgmmydjxzllsygxgkjrywzwyclzmcsjzldbndcfc"
76
+ "xyhlschycjqppqagmnyxpfrkssbjlyxyjjglnscmhcwwmnzjjlhmhchsyppttxrycsxbyhcsmxjsxnbwgpxxtaybgajc"
77
+ "xlypdccwqocwkccsbnhcpdyznbcyytyckskybsqkkytqqxfcwchcwkelcqbsqyjqcclmthsywhmktlkjlychwheqjhtj"
78
+ "hppqpqscfymmcmgbmhglgsllysdllljpchmjhwljcyhzjxhdxjlhxrswlwzjcbxmhzqxsdzpmgfcsglsdymjshxpjxom"
79
+ "yqknmyblrthbcftpmgyxlchlhlzylxgsssscclsldclepbhshxyyfhbmgdfycnjqwlqhjjcywjztejjdhfblqxtqkwhd"
80
+ "chqxagtlxljxmsljhdzkzjecxjcjnmbbjcsfywkbjzghysdcpqyrsljpclpwxsdwejbjcbcnaytmgmbapclyqbclzxcb"
81
+ "nmsggfnzjjbzsfqyndxhpcqkzczwalsbccjxpozgwkybsgxfcfcdkhjbstlqfsgdslqwzkxtmhsbgzhjcrglyjbpmljs"
82
+ "xlcjqqhzmjczydjwbmjklddpmjegxyhylxhlqyqhkycwcjmyhxnatjhyccxzpcqlbzwwwtwbqcmlbmynjcccxbbsnzzl"
83
+ "jpljxyztzlgcldcklyrzzgqtgjhhgjljaxfgfjzslcfdqzlclgjdjcsnclljpjqdcclcjxmyzftsxgcgsbrzxjqqcczh"
84
+ "gyjdjqqlzxjyldlbcyamcstylbdjbyregklzdzhldszchznwczcllwjqjjjkdgjcolbbzppglghtgzcygezmycnqcycy"
85
+ "hbhgxkamtxyxnbskyzzgjzlqjdfcjxdygjqjjpmgwgjjjpkjsbgbmmcjssclpqpdxcdyykypcjddyygywchjrtgcnyql"
86
+ "dkljczzgzccjgdyksgpzmdlcphnjafyzdjcnmwescsglbtzcgmsdllyxqsxsbljsbbsgghfjlwpmzjnlyywdqshzxtyy"
87
+ "whmcyhywdbxbtlmswyyfsbjcbdxxlhjhfpsxzqhfzmqcztqcxzxrdkdjhnnyzqqfnqdmmgnydxmjgdhcdycbffallztd"
88
+ "ltfkmxqzdngeqdbdczjdxbzgsqqddjcmbkxffxmkdmcsychzcmljdjynhprsjmkmpcklgdbqtfzswtfgglyplljzhgjj"
89
+ "gypzltcsmcnbtjbhfkdhbyzgkpbbymtdlsxsbnpdkleycjnycdykzddhqgsdzsctarlltkzlgecllkjljjaqnbdggghf"
90
+ "jtzqjsecshalqfmmgjnlyjbbtmlycxdcjpldlpcqdhsycbzsckbzmsljflhrbjsnbrgjhxpdgdjybzgdlgcsezgxlblg"
91
+ "yxtwmabchecmwyjyzlljjshlgndjlslygkdzpzxjyyzlpcxszfgwyydlyhcljscmbjhblyjlycblydpdqysxktbytdkd"
92
+ "xjypcnrjmfdjgklccjbctbjddbblblcdqrppxjcglzcshltoljnmdddlngkaqakgjgyhheznmshrphqqjchgmfprxcjg"
93
+ "dychghlyrzqlcngjnzsqdkqjymszswlcfqjqxgbggxmdjwlmcrnfkkfsyyljbmqammmycctbshcptxxzzsmphfshmclm"
94
+ "ldjfyqxsdyjdjjzzhqpdszglssjbckbxyqzjsgpsxjzqznqtbdkwxjkhhgflbcsmdldgdzdblzkycqnncsybzbfglzzx"
95
+ "swmsccmqnjqsbdqsjtxxmbldxcclzshzcxrqjgjylxzfjphymzqqydfqjjlcznzjcdgzygcdxmzysctlkphtxhtlbjxj"
96
+ "lxscdqccbbqjfqzfsltjbtkqbsxjjljchczdbzjdczjccprnlqcgpfczlclcxzdmxmphgsgzgszzqjxlwtjpfsyaslcj"
97
+ "btckwcwmytcsjjljcqlwzmalbxyfbpnlschtgjwejjxxglljstgshjqlzfkcgnndszfdeqfhbsaqdgylbxmmygszldyd"
98
+ "jmjjrgbjgkgdhgkblgkbdmbylxwcxyttybkmrjjzxqjbhlmhmjjzmqasldcyxyqdlqcafywyxqhz";
99
String _gbcode = GBCode.ToString();
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int pos = (Convert.ToInt16(_gbcode.Substring(0, 2)) - 56) * 94 + Convert.ToInt16(_gbcode.Substring(_gbcode.Length - 2, 2));
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return CodeData.Substring(pos - 1, 1);
102
}
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return " ";
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}
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}
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使用:
CLetter pLetter = new CLetter(“测试”);
MessageBox.Show(pLetter.FirtLetters);