原文转载自:http://www.cnblogs.com/for917157ever/archive/2012/05/24/2516057.html
转载内容如下:
在这里转化汉字有两种,一种是只取汉字的首字母,另一种是取汉字胡全拼,
1、只取汉字的首字母 代码如下:
SET ANSI_NULLS ON SET QUOTED_IDENTIFIER ON go CREATE FUNCTION [dbo].[fun_getPY](@str nvarchar(4000) ) RETURNS nvarchar(4000) AS BEGIN DECLARE @word nchar(1),@PY nvarchar(4000) set @PY='' WHILE len(@str)>0 BEGIN set @word=left(@str,1) --如果非汉字字符,返回原字符 set @PY=@PY+(case when unicode(@word) between 19968 and 19968+20901 then ( select top 1 PY from ( select 'A' as PY,N'驁' as word union all select 'B',N'簿' union all select 'C',N'錯' union all select 'D',N'鵽' union all select 'E',N'樲' union all select 'F',N'鰒' union all select 'G',N'腂' union all select 'H',N'夻' union all select 'J',N'攈' union all select 'K',N'穒' union all select 'L',N'鱳' union all select 'M',N'旀' union all select 'N',N'桛' union all select 'O',N'漚' union all select 'P',N'曝' union all select 'Q',N'囕' union all select 'R',N'鶸' union all select 'S',N'蜶' union all select 'T',N'籜' union all select 'W',N'鶩' union all select 'X',N'鑂' union all select 'Y',N'韻' union all select 'Z',N'咗' ) T where word>=@word collate Chinese_PRC_CS_AS_KS_WS order by PY ASC ) else @word end) SET @str=right(@str,len(@str)-1) END RETURN @PY END GO SELECT dbo.fun_getPY('来1吧')
运行结果如下:
2、另一种是取汉字胡全拼 代码如下:
CREATE function [dbo].[fn_GetPinyin](@words nVARCHAR(2000)) RETURNS VARCHAR(8000) AS BEGIN DECLARE @word nchar(1) DECLARE @pinyin VARCHAR(8000) DECLARE @i INT DECLARE @words_len INT DECLARE @unicode INT SET @i = 1 SET @words =ltrim(rtrim(@words)) SET @words_len =len(@words) WHILE(@i <= @words_len)--循环取字符 BEGIN SET @word =substring(@words, @i, 1) SET @unicode =unicode(@word) SET @pinyin =ISNULL(@pinyin +SPACE(1),'')+ (CASE WHEN unicode(@word)between 19968 and 19968+20901 then (SELECT TOP 1 py FROM ( SELECT'a'AS py,N'厑'AS word UNION ALL SELECT 'ai',N'靉' UNION ALL SELECT'an',N'黯' UNION ALL SELECT'ang',N'醠' UNION ALL SELECT'ao',N'驁' UNION ALL SELECT'ba',N'欛' UNION ALL SELECT'bai',N'瓸'--韛兡瓸 UNION ALL SELECT'ban',N'瓣' UNION ALL SELECT'bang',N'鎊' UNION ALL SELECT'bao',N'鑤' UNION ALL SELECT'bei',N'鐾' UNION ALL SELECT'ben',N'輽' UNION ALL SELECT'beng',N'鏰' UNION ALL SELECT'bi',N'鼊' UNION ALL SELECT'bian',N'變' UNION ALL SELECT'biao',N'鰾' UNION ALL SELECT'bie',N'彆' UNION ALL SELECT'bin',N'鬢' UNION ALL SELECT'bing',N'靐' UNION ALL SELECT'bo',N'蔔' UNION ALL SELECT'bu',N'簿' UNION ALL SELECT'ca',N'囃' UNION ALL SELECT'cai',N'乲'--縩乲 UNION ALL SELECT'can',N'爘' UNION ALL SELECT'cang',N'賶' UNION ALL SELECT'cao',N'鼜' UNION ALL SELECT'ce',N'簎' UNION ALL SELECT'cen',N'笒' UNION ALL SELECT'ceng',N'乽'--硛硳岾猠乽 UNION ALL SELECT'cha',N'詫' UNION ALL SELECT'chai',N'囆' UNION ALL SELECT'chan',N'顫' UNION ALL SELECT'chang',N'韔' UNION ALL SELECT'chao',N'觘' UNION ALL SELECT'che',N'爡' UNION ALL SELECT'chen',N'讖' UNION ALL SELECT'cheng',N'秤' UNION ALL SELECT'chi',N'鷘' UNION ALL SELECT'chong',N'銃' UNION ALL SELECT'chou',N'殠' UNION ALL SELECT'chu',N'矗' UNION ALL SELECT'chuai',N'踹' UNION ALL SELECT'chuan',N'鶨' UNION ALL SELECT'chuang',N'愴' UNION ALL SELECT'chui',N'顀' UNION ALL SELECT'chun',N'蠢' UNION ALL SELECT'chuo',N'縒' UNION ALL SELECT'ci',N'嗭'--賜嗭 UNION ALL SELECT'cong',N'謥' UNION ALL SELECT'cou',N'輳' UNION ALL SELECT'cu',N'顣' UNION ALL SELECT'cuan',N'爨' UNION ALL SELECT'cui',N'臎' UNION ALL SELECT'cun',N'籿' UNION ALL SELECT'cuo',N'錯' UNION ALL SELECT'da',N'橽' UNION ALL SELECT'dai',N'靆' UNION ALL SELECT'dan',N'饏' UNION ALL SELECT'dang',N'闣' UNION ALL SELECT'dao',N'纛' UNION ALL SELECT'de',N'的' UNION ALL SELECT'den',N'扽' UNION ALL SELECT'deng',N'鐙' UNION ALL SELECT'di',N'螮' UNION ALL SELECT'dia',N'嗲' UNION ALL SELECT'dian',N'驔' UNION ALL SELECT'diao',N'鑃' UNION ALL SELECT'die',N'嚸'--眰嚸 UNION ALL SELECT'ding',N'顁' UNION ALL SELECT'diu',N'銩' UNION ALL SELECT'dong',N'霘' UNION ALL SELECT'dou',N'鬭' UNION ALL SELECT'du',N'蠹' UNION ALL SELECT'duan',N'叾'--籪叾 UNION ALL SELECT'dui',N'譵' UNION ALL SELECT'dun',N'踲' UNION ALL SELECT'duo',N'鵽' UNION ALL SELECT'e',N'鱷' UNION ALL SELECT'en',N'摁' UNION ALL SELECT'eng',N'鞥' UNION ALL SELECT'er',N'樲' UNION ALL SELECT'fa',N'髮' UNION ALL SELECT'fan',N'瀪' UNION ALL SELECT'fang',N'放' UNION ALL SELECT'fei',N'靅' UNION ALL SELECT'fen',N'鱝' UNION ALL SELECT'feng',N'覅' UNION ALL SELECT'fo',N'梻' UNION ALL SELECT'fou',N'鴀' UNION ALL SELECT'fu',N'猤'--鰒猤 UNION ALL SELECT'ga',N'魀' UNION ALL SELECT'gai',N'瓂' UNION ALL SELECT'gan',N'灨' UNION ALL SELECT'gang',N'戇' UNION ALL SELECT'gao',N'鋯' UNION ALL SELECT'ge',N'獦' UNION ALL SELECT'gei',N'給' UNION ALL SELECT'gen',N'搄' UNION ALL SELECT'geng',N'堩'--亙堩啹喼嗰 UNION ALL SELECT'gong',N'兣'--熕贑兝兣 UNION ALL SELECT'gou',N'購' UNION ALL SELECT'gu',N'顧' UNION ALL SELECT'gua',N'詿' UNION ALL SELECT'guai',N'恠' UNION ALL SELECT'guan',N'鱹' UNION ALL SELECT'guang',N'撗' UNION ALL SELECT'gui',N'鱥' UNION ALL SELECT'gun',N'謴' UNION ALL SELECT'guo',N'腂' UNION ALL SELECT'ha',N'哈' UNION ALL SELECT'hai',N'饚' UNION ALL SELECT'han',N'鶾' UNION ALL SELECT'hang',N'沆' UNION ALL SELECT'hao',N'兞' UNION ALL SELECT'he',N'靏' UNION ALL SELECT'hei',N'嬒' UNION ALL SELECT'hen',N'恨' UNION ALL SELECT'heng',N'堼'--堼囍 UNION ALL SELECT'hong',N'鬨' UNION ALL SELECT'hou',N'鱟' UNION ALL SELECT'hu',N'鸌' UNION ALL SELECT'hua',N'蘳' UNION ALL SELECT'huai',N'蘾' UNION ALL SELECT'huan',N'鰀' UNION ALL SELECT'huang',N'鎤' UNION ALL SELECT'hui',N'顪' UNION ALL SELECT'hun',N'諢' UNION ALL SELECT'huo',N'夻' UNION ALL SELECT'ji',N'驥' UNION ALL SELECT'jia',N'嗧' UNION ALL SELECT'jian',N'鑳' UNION ALL SELECT'jiang',N'謽' UNION ALL SELECT'jiao',N'釂' UNION ALL SELECT'jie',N'繲' UNION ALL SELECT'jin',N'齽' UNION ALL SELECT'jing',N'竸' UNION ALL SELECT'jiong',N'蘔' UNION ALL SELECT'jiu',N'欍' UNION ALL SELECT'ju',N'爠' UNION ALL SELECT'juan',N'羂' UNION ALL SELECT'jue',N'钁' UNION ALL SELECT'jun',N'攈' UNION ALL SELECT'ka',N'鉲' UNION ALL SELECT'kai',N'乫'--鎎乫 UNION ALL SELECT'kan',N'矙' UNION ALL SELECT'kang',N'閌' UNION ALL SELECT'kao',N'鯌' UNION ALL SELECT'ke',N'騍' UNION ALL SELECT'ken',N'褃' UNION ALL SELECT'keng',N'鏗'--巪乬唟厼怾 UNION ALL SELECT'kong',N'廤' UNION ALL SELECT'kou',N'鷇' UNION ALL SELECT'ku',N'嚳' UNION ALL SELECT'kua',N'骻' UNION ALL SELECT'kuai',N'鱠' UNION ALL SELECT'kuan',N'窾' UNION ALL SELECT'kuang',N'鑛' UNION ALL SELECT'kui',N'鑎' UNION ALL SELECT'kun',N'睏' UNION ALL SELECT'kuo',N'穒' UNION ALL SELECT'la',N'鞡' UNION ALL SELECT'lai',N'籟' UNION ALL SELECT'lan',N'糷' UNION ALL SELECT'lang',N'唥' UNION ALL SELECT'lao',N'軂' UNION ALL SELECT'le',N'餎' UNION ALL SELECT'lei',N'脷'--嘞脷 UNION ALL SELECT'leng',N'睖' UNION ALL SELECT'li',N'瓈' UNION ALL SELECT'lia',N'倆' UNION ALL SELECT'lian',N'纞' UNION ALL SELECT'liang',N'鍄' UNION ALL SELECT'liao',N'瞭' UNION ALL SELECT'lie',N'鱲' UNION ALL SELECT'lin',N'轥'--轥拎 UNION ALL SELECT'ling',N'炩' UNION ALL SELECT'liu',N'咯'--瓼甅囖咯 UNION ALL SELECT'long',N'贚' UNION ALL SELECT'lou',N'鏤' UNION ALL SELECT'lu',N'氇' UNION ALL SELECT'lv',N'鑢' UNION ALL SELECT'luan',N'亂' UNION ALL SELECT'lue',N'擽' UNION ALL SELECT'lun',N'論' UNION ALL SELECT'luo',N'鱳' UNION ALL SELECT'ma',N'嘛' UNION ALL SELECT'mai',N'霢' UNION ALL SELECT'man',N'蘰' UNION ALL SELECT'mang',N'蠎' UNION ALL SELECT'mao',N'唜' UNION ALL SELECT'me',N'癦'--癦呅 UNION ALL SELECT'mei',N'嚜' UNION ALL SELECT'men',N'們' UNION ALL SELECT'meng',N'霥'--霿踎 UNION ALL SELECT'mi',N'羃' UNION ALL SELECT'mian',N'麵' UNION ALL SELECT'miao',N'廟' UNION ALL SELECT'mie',N'鱴'--鱴瓱 UNION ALL SELECT'min',N'鰵' UNION ALL SELECT'ming',N'詺' UNION ALL SELECT'miu',N'謬' UNION ALL SELECT'mo',N'耱'--耱乮 UNION ALL SELECT'mou',N'麰'--麰蟱 UNION ALL SELECT'mu',N'旀' UNION ALL SELECT'na',N'魶' UNION ALL SELECT'nai',N'錼' UNION ALL SELECT'nan',N'婻' UNION ALL SELECT'nang',N'齉' UNION ALL SELECT'nao',N'臑' UNION ALL SELECT'ne',N'呢' UNION ALL SELECT'nei',N'焾'--嫩焾 UNION ALL SELECT'nen',N'嫩' UNION ALL SELECT'neng',N'能'--莻嗯鈪銰啱 UNION ALL SELECT'ni',N'嬺' UNION ALL SELECT'nian',N'艌' UNION ALL SELECT'niang',N'釀' UNION ALL SELECT'niao',N'脲' UNION ALL SELECT'nie',N'钀' UNION ALL SELECT'nin',N'拰' UNION ALL SELECT'ning',N'濘' UNION ALL SELECT'niu',N'靵' UNION ALL SELECT'nong',N'齈' UNION ALL SELECT'nou',N'譳' UNION ALL SELECT'nu',N'搙' UNION ALL SELECT'nv',N'衄' UNION ALL SELECT'nue',N'瘧' UNION ALL SELECT'nuan',N'燶'--硸黁燶郍 UNION ALL SELECT'nuo',N'桛' UNION ALL SELECT'o',N'鞰'--毮夞乯鞰 UNION ALL SELECT'ou',N'漚' UNION ALL SELECT'pa',N'袙' UNION ALL SELECT'pai',N'磗'--鎃磗 UNION ALL SELECT'pan',N'鑻' UNION ALL SELECT'pang',N'胖' UNION ALL SELECT'pao',N'礮' UNION ALL SELECT'pei',N'轡' UNION ALL SELECT'pen',N'喯' UNION ALL SELECT'peng',N'喸'--浌巼闏乶喸 UNION ALL SELECT'pi',N'鸊' UNION ALL SELECT'pian',N'騙' UNION ALL SELECT'piao',N'慓' UNION ALL SELECT'pie',N'嫳' UNION ALL SELECT'pin',N'聘' UNION ALL SELECT'ping',N'蘋' UNION ALL SELECT'po',N'魄' UNION ALL SELECT'pou',N'哛'--兺哛 UNION ALL SELECT'pu',N'曝' UNION ALL SELECT'qi',N'蟿' UNION ALL SELECT'qia',N'髂' UNION ALL SELECT'qian',N'縴' UNION ALL SELECT'qiang',N'瓩'--羻兛瓩 UNION ALL SELECT'qiao',N'躈' UNION ALL SELECT'qie',N'籡' UNION ALL SELECT'qin',N'藽' UNION ALL SELECT'qing',N'櫦' UNION ALL SELECT'qiong',N'瓗' UNION ALL SELECT'qiu',N'糗' UNION ALL SELECT'qu',N'覻' UNION ALL SELECT'quan',N'勸' UNION ALL SELECT'que',N'礭' UNION ALL SELECT'qun',N'囕' UNION ALL SELECT'ran',N'橪' UNION ALL SELECT'rang',N'讓' UNION ALL SELECT'rao',N'繞' UNION ALL SELECT're',N'熱' UNION ALL SELECT'ren',N'餁' UNION ALL SELECT'reng',N'陾' UNION ALL SELECT'ri',N'馹' UNION ALL SELECT'rong',N'穃' UNION ALL SELECT'rou',N'嶿' UNION ALL SELECT'ru',N'擩' UNION ALL SELECT'ruan',N'礝' UNION ALL SELECT'rui',N'壡' UNION ALL SELECT'run',N'橍'--橍挼 UNION ALL SELECT'ruo',N'鶸' UNION ALL SELECT'sa',N'栍'--櫒栍 UNION ALL SELECT'sai',N'虄'--簺虄 UNION ALL SELECT'san',N'閐' UNION ALL SELECT'sang',N'喪' UNION ALL SELECT'sao',N'髞' UNION ALL SELECT'se',N'飋'--裇聓 UNION ALL SELECT'sen',N'篸' UNION ALL SELECT'seng',N'縇'--閪縇 UNION ALL SELECT'sha',N'霎' UNION ALL SELECT'shai',N'曬' UNION ALL SELECT'shan',N'鱔' UNION ALL SELECT'shang',N'緔' UNION ALL SELECT'shao',N'潲' UNION ALL SELECT'she',N'欇' UNION ALL SELECT'shen',N'瘮' UNION ALL SELECT'sheng',N'賸' UNION ALL SELECT'shi',N'瓧'--鰘齛兙瓧 UNION ALL SELECT'shou',N'鏉' UNION ALL SELECT'shu',N'虪' UNION ALL SELECT'shua',N'誜' UNION ALL SELECT'shuai',N'卛' UNION ALL SELECT'shuan',N'腨' UNION ALL SELECT'shuang',N'灀' UNION ALL SELECT'shui',N'睡' UNION ALL SELECT'shun',N'鬊' UNION ALL SELECT'shuo',N'鑠' UNION ALL SELECT'si',N'乺'--瀃螦乺 UNION ALL SELECT'song',N'鎹' UNION ALL SELECT'sou',N'瘶' UNION ALL SELECT'su',N'鷫' UNION ALL SELECT'suan',N'算' UNION ALL SELECT'sui',N'鐩' UNION ALL SELECT'sun',N'潠' UNION ALL SELECT'suo',N'蜶' UNION ALL SELECT'ta',N'襨'--躢襨 UNION ALL SELECT'tai',N'燤' UNION ALL SELECT'tan',N'賧' UNION ALL SELECT'tang',N'燙' UNION ALL SELECT'tao',N'畓'--討畓 UNION ALL SELECT'te',N'蟘' UNION ALL SELECT'teng',N'朰'--霯唞朰 UNION ALL SELECT'ti',N'趯' UNION ALL SELECT'tian',N'舚' UNION ALL SELECT'tiao',N'糶' UNION ALL SELECT'tie',N'餮' UNION ALL SELECT'ting',N'乭'--濎乭 UNION ALL SELECT'tong',N'憅' UNION ALL SELECT'tou',N'透' UNION ALL SELECT'tu',N'鵵' UNION ALL SELECT'tuan',N'褖' UNION ALL SELECT'tui',N'駾' UNION ALL SELECT'tun',N'坉' UNION ALL SELECT'tuo',N'籜' UNION ALL SELECT'wa',N'韤' UNION ALL SELECT'wai',N'顡' UNION ALL SELECT'wan',N'贎' UNION ALL SELECT'wang',N'朢' UNION ALL SELECT'wei',N'躛' UNION ALL SELECT'wen',N'璺' UNION ALL SELECT'weng',N'齆' UNION ALL SELECT'wo',N'齷' UNION ALL SELECT'wu',N'鶩' UNION ALL SELECT'xi',N'衋' UNION ALL SELECT'xia',N'鏬' UNION ALL SELECT'xian',N'鼸' UNION ALL SELECT'xiang',N'鱌' UNION ALL SELECT'xiao',N'斆' UNION ALL SELECT'xie',N'躞' UNION ALL SELECT'xin',N'釁' UNION ALL SELECT'xing',N'臖' UNION ALL SELECT'xiong',N'敻' UNION ALL SELECT'xiu',N'齅' UNION ALL SELECT'xu',N'蓿' UNION ALL SELECT'xuan',N'贙' UNION ALL SELECT'xue',N'瀥' UNION ALL SELECT'xun',N'鑂' UNION ALL SELECT'ya',N'齾' UNION ALL SELECT'yan',N'灩' UNION ALL SELECT'yang',N'樣' UNION ALL SELECT'yao',N'鑰' UNION ALL SELECT'ye',N'岃'--鸈膶岃 UNION ALL SELECT'yi',N'齸' UNION ALL SELECT'yin',N'檼' UNION ALL SELECT'ying',N'譍' UNION ALL SELECT'yo',N'喲' UNION ALL SELECT'yong',N'醟' UNION ALL SELECT'you',N'鼬' UNION ALL SELECT'yu',N'爩' UNION ALL SELECT'yuan',N'願' UNION ALL SELECT'yue',N'鸙' UNION ALL SELECT'yun',N'韻' UNION ALL SELECT'za',N'雥' UNION ALL SELECT'zai',N'縡' UNION ALL SELECT'zan',N'饡' UNION ALL SELECT'zang',N'臟' UNION ALL SELECT'zao',N'竈' UNION ALL SELECT'ze',N'稄' UNION ALL SELECT'zei',N'鱡' UNION ALL SELECT'zen',N'囎' UNION ALL SELECT'zeng',N'贈' UNION ALL SELECT'zha',N'醡' UNION ALL SELECT'zhai',N'瘵' UNION ALL SELECT'zhan',N'驏' UNION ALL SELECT'zhang',N'瞕' UNION ALL SELECT'zhao',N'羄' UNION ALL SELECT'zhe',N'鷓' UNION ALL SELECT'zhen',N'黮' UNION ALL SELECT'zheng',N'證' UNION ALL SELECT'zhi',N'豒' UNION ALL SELECT'zhong',N'諥' UNION ALL SELECT'zhou',N'驟' UNION ALL SELECT'zhu',N'鑄' UNION ALL SELECT'zhua',N'爪' UNION ALL SELECT'zhuai',N'跩' UNION ALL SELECT'zhuan',N'籑' UNION ALL SELECT'zhuang',N'戅' UNION ALL SELECT'zhui',N'鑆' UNION ALL SELECT'zhun',N'稕' UNION ALL SELECT'zhuo',N'籱' UNION ALL SELECT'zi',N'漬'--漬唨 UNION ALL SELECT'zong',N'縱' UNION ALL SELECT'zou',N'媰' UNION ALL SELECT'zu',N'謯' UNION ALL SELECT'zuan',N'攥' UNION ALL SELECT'zui',N'欈' UNION ALL SELECT'zun',N'銌' UNION ALL SELECT'zuo',N'咗') t WHERE word >= @word COLLATE Chinese_PRC_CS_AS_KS_WS ORDER BY word COLLATE Chinese_PRC_CS_AS_KS_WS ASC)ELSE @word END ) SET @i = @i + 1 END RETURN @pinyin END GO SELECT dbo.fn_GetPinyin('阿门')
运行结果如下:
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总结来说,这个函数提供了在SQL Server中处理汉字字符串的能力,可以将汉字转换为其拼音首字母,便于进行基于拼音的搜索和排序操作。在处理大量中文数据时,这样的功能可以极大地提升数据处理的效率和用户体验。
开发者需要正确引用并调用这些库的方法,将输入的中文字符串转化为拼音数组,然后根据需求进行处理,如去重、拼接等。 2. **模糊查询**:在数据库层面进行模糊查询,通常会使用SQL的LIKE操作符配合通配符(%)。在...
- **目标**:将概念结构转化为与选定DBMS产品支持的数据模型相符合的逻辑结构。 - **步骤**: 1. 将概念结构转换为关系、网状、层次模型。 2. 转换后的模型再转换为特定DBMS支持的数据模型。 3. 对数据模型进行...
1. 拼音库:为了实现拼音搜索,项目可能使用了第三方的拼音库,如Pinyin4j,它可以将汉字转换为对应的拼音,便于进行关键词匹配。 2. 汉字处理:在Java中,处理汉字涉及到字符编码,如GBK、UTF-8等。需要确保输入、...
- **转化拼音**:为了构建城市相关的URL(如`http://hotel.meituan.com/changsha/`),我们可能需要将城市名转换为拼音。这里提到了`pypinyin`库,它能将中文转换为拼音,方便构建URL。 - **获取酒店信息**:使用...