sql自动生成汉语拼音和首字母函数

1.Sql server自动生成拼音的函数

/*
 根据汉字获取全拼
 1.生成所有读音临时表
 2.根据Chinese_PRC_CS_AS_KS_WS 排序获取读音
*/
CREATE function f_GetPying(@str varchar(100))
returns varchar(8000)
as
begin
 declare @re varchar(8000)
 --生成临时表
 declare @t table(chr nchar(1) collate  Chinese_PRC_CS_AS_KS_WS,py nvarchar(20)) 
 insert into @t select'吖','a' 
 insert into @t select'厑','aes' 
 insert into @t select'哎','ai' 
 insert into @t select'安','an' 
 insert into @t select'肮','ang' 
 insert into @t select'凹','ao' 
 insert into @t select'八','ba' 
 insert into @t select'挀','bai' 
 insert into @t select'兡','baike' 
 insert into @t select'瓸','baiwa' 
 insert into @t select'扳','ban' 
 insert into @t select'邦','bang' 
 insert into @t select'勹','bao' 
 insert into @t select'萡','be' 
 insert into @t select'陂','bei' 
 insert into @t select'奔','ben' 
 insert into @t select'伻','beng' 
 insert into @t select'皀','bi' 
 insert into @t select'边','bian' 
 insert into @t select'辪','uu' 
 insert into @t select'灬','biao' 
 insert into @t select'憋','bie' 
 insert into @t select'汃','bin' 
 insert into @t select'冫','bing' 
 insert into @t select'癶','bo' 
 insert into @t select'峬','bu' 
 insert into @t select'嚓','ca' 
 insert into @t select'偲','cai' 
 insert into @t select'乲','cal' 
 insert into @t select'参','can' 
 insert into @t select'仓','cang' 
 insert into @t select'撡','cao' 
 insert into @t select'冊','ce' 
 insert into @t select'膥','cen' 
 insert into @t select'噌','ceng' 
 insert into @t select'硛','ceok' 
 insert into @t select'岾','ceom' 
 insert into @t select'猠','ceon' 
 insert into @t select'乽','ceor' 
 insert into @t select'叉','cha' 
 insert into @t select'犲','chai' 
 insert into @t select'辿','chan' 
 insert into @t select'伥','chang' 
 insert into @t select'抄','chao' 
 insert into @t select'车','che' 
 insert into @t select'抻','chen' 
 insert into @t select'阷','cheng' 
 insert into @t select'吃','chi' 
 insert into @t select'充','chong' 
 insert into @t select'抽','chou' 
 insert into @t select'出','chu' 
 insert into @t select'膗','chuai' 
 insert into @t select'巛','chuan' 
 insert into @t select'刅','chuang' 
 insert into @t select'吹','chui' 
 insert into @t select'旾','chun' 
 insert into @t select'踔','chuo' 
 insert into @t select'呲','ci' 
 insert into @t select'嗭','cis' 
 insert into @t select'从','cong' 
 insert into @t select'凑','cou' 
 insert into @t select'粗','cu' 
 insert into @t select'汆','cuan' 
 insert into @t select'崔','cui' 
 insert into @t select'邨','cun' 
 insert into @t select'瑳','cuo' 
 insert into @t select'撮','chua' 
 insert into @t select'咑','da' 
 insert into @t select'呔','dai' 
 insert into @t select'丹','dan' 
 insert into @t select'当','dang' 
 insert into @t select'刀','dao' 
 insert into @t select'恴','de' 
 insert into @t select'揼','dem' 
 insert into @t select'扥','den' 
 insert into @t select'灯','deng' 
 insert into @t select'仾','di' 
 insert into @t select'嗲','dia' 
 insert into @t select'敁','dian' 
 insert into @t select'刁','diao' 
 insert into @t select'爹','die' 
 insert into @t select'哋','dei' 
 insert into @t select'嚸','dim' 
 insert into @t select'丁','ding' 
 insert into @t select'丟','diu' 
 insert into @t select'东','dong' 
 insert into @t select'吺','dou' 
 insert into @t select'剢','du' 
 insert into @t select'耑','duan' 
 insert into @t select'叾','dug' 
 insert into @t select'垖','dui' 
 insert into @t select'吨','dun' 
 insert into @t select'咄','duo' 
 insert into @t select'妸','e' 
 insert into @t select'奀','en' 
 insert into @t select'鞥','eng' 
 insert into @t select'仒','eo' 
 insert into @t select'乻','eol' 
 insert into @t select'旕','eos' 
 insert into @t select'儿','er' 
 insert into @t select'发','fa' 
 insert into @t select'帆','fan' 
 insert into @t select'匚','fang' 
 insert into @t select'飞','fei' 
 insert into @t select'吩','fen' 
 insert into @t select'丰','feng' 
 insert into @t select'瓰','fenwa' 
 insert into @t select'覅','fiao' 
 insert into @t select'仏','fo' 
 insert into @t select'垺','fou' 
 insert into @t select'夫','fu' 
 insert into @t select'猤','fui' 
 insert into @t select'旮','ga' 
 insert into @t select'侅','gai' 
 insert into @t select'甘','gan' 
 insert into @t select'冈','gang' 
 insert into @t select'皋','gao' 
 insert into @t select'戈','ge' 
 insert into @t select'给','gei' 
 insert into @t select'根','gen' 
 insert into @t select'更','geng' 
 insert into @t select'啹','geu' 
 insert into @t select'喼','gib' 
 insert into @t select'嗰','go' 
 insert into @t select'工','gong' 
 insert into @t select'兝','gongfen' 
 insert into @t select'兣','gongli' 
 insert into @t select'勾','gou' 
 insert into @t select'估','gu' 
 insert into @t select'瓜','gua' 
 insert into @t select'乖','guai' 
 insert into @t select'关','guan' 
 insert into @t select'光','guang' 
 insert into @t select'归','gui' 
 insert into @t select'丨','gun' 
 insert into @t select'呙','guo' 
 insert into @t select'妎','ha' 
 insert into @t select'咍','hai' 
 insert into @t select'乤','hal' 
 insert into @t select'兯','han' 
 insert into @t select'魧','hang' 
 insert into @t select'茠','hao' 
 insert into @t select'兞','haoke' 
 insert into @t select'诃','he' 
 insert into @t select'黒','hei' 
 insert into @t select'拫','hen' 
 insert into @t select'亨','heng' 
 insert into @t select'囍','heui' 
 insert into @t select'乊','ho' 
 insert into @t select'乥','hol' 
 insert into @t select'叿','hong' 
 insert into @t select'齁','hou' 
 insert into @t select'乎','hu' 
 insert into @t select'花','hua' 
 insert into @t select'徊','huai' 
 insert into @t select'欢','huan' 
 insert into @t select'巟','huang' 
 insert into @t select'灰','hui' 
 insert into @t select'昏','hun' 
 insert into @t select'吙','huo' 
 insert into @t select'嚿','geo' 
 insert into @t select'夻','hwa' 
 insert into @t select'丌','ji' 
 insert into @t select'加','jia' 
 insert into @t select'嗧','jialun' 
 insert into @t select'戋','jian' 
 insert into @t select'江','jiang' 
 insert into @t select'艽','jiao' 
 insert into @t select'阶','jie' 
 insert into @t select'巾','jin' 
 insert into @t select'坕','jing' 
 insert into @t select'冂','jiong' 
 insert into @t select'丩','jiu' 
 insert into @t select'欍','jou' 
 insert into @t select'凥','ju' 
 insert into @t select'姢','juan' 
 insert into @t select'噘','jue' 
 insert into @t select'军','jun' 
 insert into @t select'咔','ka' 
 insert into @t select'开','kai' 
 insert into @t select'乫','kal' 
 insert into @t select'刊','kan' 
 insert into @t select'冚','hem' 
 insert into @t select'砊','kang' 
 insert into @t select'尻','kao' 
 insert into @t select'坷','ke' 
 insert into @t select'肎','ken' 
 insert into @t select'劥','keng' 
 insert into @t select'巪','keo' 
 insert into @t select'乬','keol' 
 insert into @t select'唟','keos' 
 insert into @t select'厼','keum' 
 insert into @t select'怾','ki' 
 insert into @t select'空','kong' 
 insert into @t select'廤','kos' 
 insert into @t select'抠','kou' 
 insert into @t select'扝','ku' 
 insert into @t select'夸','kua' 
 insert into @t select'蒯','kuai' 
 insert into @t select'宽','kuan' 
 insert into @t select'匡','kuang' 
 insert into @t select'亏','kui' 
 insert into @t select'坤','kun' 
 insert into @t select'拡','kuo' 
 insert into @t select'穒','kweok' 
 insert into @t select'垃','la' 
 insert into @t select'来','lai' 
 insert into @t select'兰','lan' 
 insert into @t select'啷','lang' 
 insert into @t select'捞','lao' 
 insert into @t select'仂','le' 
 insert into @t select'雷','lei' 
 insert into @t select'塄','leng' 
 insert into @t select'唎','li' 
 insert into @t select'俩','lia' 
 insert into @t select'嫾','lian' 
 insert into @t select'簗','liang' 
 insert into @t select'蹽','liao' 
 insert into @t select'毟','lie' 
 insert into @t select'厸','lin' 
 insert into @t select'伶','ling' 
 insert into @t select'溜','liu' 
 insert into @t select'瓼','liwa' 
 insert into @t select'囖','lo' 
 insert into @t select'龙','long' 
 insert into @t select'娄','lou' 
 insert into @t select'噜','lu' 
 insert into @t select'驴','lv' 
 insert into @t select'寽','lue' 
 insert into @t select'孪','luan' 
 insert into @t select'掄','lun' 
 insert into @t select'頱','luo' 
 insert into @t select'呣','m' 
 insert into @t select'妈','ma' 
 insert into @t select'遤','hweong' 
 insert into @t select'埋','mai' 
 insert into @t select'颟','man' 
 insert into @t select'牤','mang' 
 insert into @t select'匁','mangmi' 
 insert into @t select'猫','mao' 
 insert into @t select'唜','mas' 
 insert into @t select'庅','me' 
 insert into @t select'呅','mei' 
 insert into @t select'椚','men' 
 insert into @t select'掹','meng' 
 insert into @t select'踎','meo' 
 insert into @t select'瞇','mi' 
 insert into @t select'宀','mian' 
 insert into @t select'喵','miao' 
 insert into @t select'乜','mie' 
 insert into @t select'瓱','miliklanm' 
 insert into @t select'民','min' 
 insert into @t select'冧','lem' 
 insert into @t select'名','ming' 
 insert into @t select'谬','miu' 
 insert into @t select'摸','mo' 
 insert into @t select'乮','mol' 
 insert into @t select'哞','mou' 
 insert into @t select'母','mu' 
 insert into @t select'旀','myeo' 
 insert into @t select'丆','myeon' 
 insert into @t select'椧','myeong' 
 insert into @t select'拏','na' 
 insert into @t select'腉','nai' 
 insert into @t select'囡','nan' 
 insert into @t select'囔','nang' 
 insert into @t select'乪','keg' 
 insert into @t select'孬','nao' 
 insert into @t select'疒','ne' 
 insert into @t select'娞','nei' 
 insert into @t select'焾','nem' 
 insert into @t select'嫩','nen' 
 insert into @t select'莻','neus' 
 insert into @t select'鈪','ngag' 
 insert into @t select'銰','ngai' 
 insert into @t select'啱','ngam' 
 insert into @t select'妮','ni' 
 insert into @t select'年','nian' 
 insert into @t select'娘','niang' 
 insert into @t select'茑','niao' 
 insert into @t select'捏','nie' 
 insert into @t select'脌','nin' 
 insert into @t select'宁','ning' 
 insert into @t select'牛','niu' 
 insert into @t select'农','nong' 
 insert into @t select'羺','nou' 
 insert into @t select'奴','nu' 
 insert into @t select'女','nv' 
 insert into @t select'疟','nue' 
 insert into @t select'瘧','nve' 
 insert into @t select'奻','nuan' 
 insert into @t select'黁','nun' 
 insert into @t select'燶','nung' 
 insert into @t select'挪','nuo' 
 insert into @t select'筽','o' 
 insert into @t select'夞','oes' 
 insert into @t select'乯','ol' 
 insert into @t select'鞰','on' 
 insert into @t select'讴','ou' 
 insert into @t select'妑','pa' 
 insert into @t select'俳','pai' 
 insert into @t select'磗','pak' 
 insert into @t select'眅','pan' 
 insert into @t select'乓','pang' 
 insert into @t select'抛','pao' 
 insert into @t select'呸','pei' 
 insert into @t select'瓫','pen' 
 insert into @t select'匉','peng' 
 insert into @t select'浌','peol' 
 insert into @t select'巼','phas' 
 insert into @t select'闏','phdeng' 
 insert into @t select'乶','phoi' 
 insert into @t select'喸','phos' 
 insert into @t select'丕','pi' 
 insert into @t select'囨','pian' 
 insert into @t select'缥','piao' 
 insert into @t select'氕','pie' 
 insert into @t select'丿','pianpang' 
 insert into @t select'姘','pin' 
 insert into @t select'乒','ping' 
 insert into @t select'钋','po' 
 insert into @t select'剖','pou' 
 insert into @t select'哣','deo' 
 insert into @t select'兺','ppun' 
 insert into @t select'仆','pu' 
 insert into @t select'七','qi' 
 insert into @t select'掐','qia' 
 insert into @t select'千','qian' 
 insert into @t select'羌','qiang' 
 insert into @t select'兛','qianke' 
 insert into @t select'瓩','qianwa' 
 insert into @t select'悄','qiao' 
 insert into @t select'苆','qie' 
 insert into @t select'亲','qin' 
 insert into @t select'蠄','kem' 
 insert into @t select'氢','qing' 
 insert into @t select'銎','qiong' 
 insert into @t select'丘','qiu' 
 insert into @t select'曲','qu' 
 insert into @t select'迲','keop' 
 insert into @t select'峑','quan' 
 insert into @t select'蒛','que' 
 insert into @t select'夋','qun' 
 insert into @t select'亽','ra' 
 insert into @t select'囕','ram' 
 insert into @t select'呥','ran' 
 insert into @t select'穣','rang' 
 insert into @t select'荛','rao' 
 insert into @t select'惹','re' 
 insert into @t select'人','ren' 
 insert into @t select'扔','reng' 
 insert into @t select'日','ri' 
 insert into @t select'栄','rong' 
 insert into @t select'禸','rou' 
 insert into @t select'嶿','ru' 
 insert into @t select'撋','ruan' 
 insert into @t select'桵','rui' 
 insert into @t select'闰','run' 
 insert into @t select'叒','ruo' 
 insert into @t select'仨','sa' 
 insert into @t select'栍','saeng' 
 insert into @t select'毢','sai' 
 insert into @t select'虄','sal' 
 insert into @t select'三','san' 
 insert into @t select'桒','sang' 
 insert into @t select'掻','sao' 
 insert into @t select'色','se' 
 insert into @t select'裇','sed' 
 insert into @t select'聓','sei' 
 insert into @t select'森','sen' 
 insert into @t select'鬙','seng' 
 insert into @t select'閪','seo' 
 insert into @t select'縇','seon' 
 insert into @t select'杀','sha' 
 insert into @t select'筛','shai' 
 insert into @t select'山','shan' 
 insert into @t select'伤','shang' 
 insert into @t select'弰','shao' 
 insert into @t select'奢','she' 
 insert into @t select'申','shen' 
 insert into @t select'升','sheng' 
 insert into @t select'尸','shi' 
 insert into @t select'兙','shike' 
 insert into @t select'瓧','shiwa' 
 insert into @t select'収','shou' 
 insert into @t select'书','shu' 
 insert into @t select'刷','shua' 
 insert into @t select'摔','shuai' 
 insert into @t select'闩','shuan' 
 insert into @t select'双','shuang' 
 insert into @t select'谁','shei' 
 insert into @t select'脽','shui' 
 insert into @t select'吮','shun' 
 insert into @t select'哾','shuo' 
 insert into @t select'丝','si' 
 insert into @t select'螦','so' 
 insert into @t select'乺','sol' 
 insert into @t select'忪','song' 
 insert into @t select'凁','sou' 
 insert into @t select'苏','su' 
 insert into @t select'痠','suan' 
 insert into @t select'夊','sui' 
 insert into @t select'孙','sun' 
 insert into @t select'娑','suo' 
 insert into @t select'他','ta' 
 insert into @t select'襨','tae' 
 insert into @t select'囼','tai' 
 insert into @t select'坍','tan' 
 insert into @t select'铴','tang' 
 insert into @t select'仐','tao' 
 insert into @t select'畓','tap' 
 insert into @t select'忒','te' 
 insert into @t select'膯','teng' 
 insert into @t select'唞','teo' 
 insert into @t select'朰','teul' 
 insert into @t select'剔','ti' 
 insert into @t select'天','tian' 
 insert into @t select'旫','tiao' 
 insert into @t select'怗','tie' 
 insert into @t select'厅','ting' 
 insert into @t select'乭','tol' 
 insert into @t select'囲','tong' 
 insert into @t select'偷','tou' 
 insert into @t select'凸','tu' 
 insert into @t select'湍','tuan' 
 insert into @t select'推','tui' 
 insert into @t select'旽','tun' 
 insert into @t select'乇','tuo' 
 insert into @t select'屲','wa' 
 insert into @t select'歪','wai' 
 insert into @t select'乛','wan' 
 insert into @t select'尣','wang' 
 insert into @t select'危','wei' 
 insert into @t select'塭','wen' 
 insert into @t select'翁','weng' 
 insert into @t select'挝','wo' 
 insert into @t select'乌','wu' 
 insert into @t select'夕','xi' 
 insert into @t select'诶','ei' 
 insert into @t select'疨','xia' 
 insert into @t select'仙','xian' 
 insert into @t select'乡','xiang' 
 insert into @t select'灱','xiao' 
 insert into @t select'楔','xie' 
 insert into @t select'心','xin' 
 insert into @t select'星','xing' 
 insert into @t select'凶','xiong' 
 insert into @t select'休','xiu' 
 insert into @t select'旴','xu' 
 insert into @t select'昍','xuan' 
 insert into @t select'疶','xue' 
 insert into @t select'坃','xun' 
 insert into @t select'丫','ya' 
 insert into @t select'咽','yan' 
 insert into @t select'欕','eom' 
 insert into @t select'央','yang' 
 insert into @t select'吆','yao' 
 insert into @t select'椰','ye' 
 insert into @t select'膶','yen' 
 insert into @t select'一','yi' 
 insert into @t select'乁','i' 
 insert into @t select'乚','yin' 
 insert into @t select'应','ying' 
 insert into @t select'哟','yo' 
 insert into @t select'佣','yong' 
 insert into @t select'优','you' 
 insert into @t select'迂','yu' 
 insert into @t select'囦','yuan' 
 insert into @t select'曰','yue' 
 insert into @t select'蒀','yun' 
 insert into @t select'帀','za' 
 insert into @t select'災','zai' 
 insert into @t select'兂','zan' 
 insert into @t select'牂','zang' 
 insert into @t select'遭','zao' 
 insert into @t select'啫','ze' 
 insert into @t select'贼','zei' 
 insert into @t select'怎','zen' 
 insert into @t select'曽','zeng' 
 insert into @t select'吒','zha' 
 insert into @t select'甴','gad' 
 insert into @t select'夈','zhai' 
 insert into @t select'毡','zhan' 
 insert into @t select'张','zhang' 
 insert into @t select'钊','zhao' 
 insert into @t select'蜇','zhe' 
 insert into @t select'贞','zhen' 
 insert into @t select'凧','zheng' 
 insert into @t select'之','zhi' 
 insert into @t select'中','zhong' 
 insert into @t select'州','zhou' 
 insert into @t select'劯','zhu' 
 insert into @t select'抓','zhua' 
 insert into @t select'专','zhuan' 
 insert into @t select'转','zhuai' 
 insert into @t select'妆','zhuang' 
 insert into @t select'骓','zhui' 
 insert into @t select'宒','zhun' 
 insert into @t select'卓','zhuo' 
 insert into @t select'孜','zi' 
 insert into @t select'唨','zo' 
 insert into @t select'宗','zong' 
 insert into @t select'棸','zou' 
 insert into @t select'哫','zu' 
 insert into @t select'劗','zuan' 
 insert into @t select'厜','zui' 
 insert into @t select'尊','zun' 
 insert into @t select'昨','zuo' 
 
 declare @strlen int 
 select @strlen=len(@str),@re=''
 while @strlen>0
 begin     
      select top 1 @re=UPPER(substring(py,1,1) )+substring(py,2,len(py))+@re,@strlen=@strlen-1 
      from @t a where chr<=substring(@str,@strlen,1) 
      order by chr collate Chinese_PRC_CS_AS_KS_WS  desc 
      if @@rowcount=0
        select @re=substring(@str,@strlen,1)+@re,@strlen=@strlen-1
   end
 return(@re)
end

测试：

SELECT dbo.fn_GetPying('中文字段') AS pymc

2.sql server自动生成拼音首字母的函数

--生成拼音首码  
  CREATE  function  fn_GetPy(@str  nvarchar(4000))  
  returns  nvarchar(4000)  
  --WITH  ENCRYPTION  
  as  
  begin  
  declare  @intLen int  
  declare  @strRet nvarchar(4000)  
  declare  @temp  nvarchar(100)  
  set  @intLen  =  len(@str)  
  set  @strRet  =  ''  
  while  @intLen  >  0  
  begin  
  set  @temp  =  ''  
  select  @temp  =  case    
  when  substring(@str,@intLen,1)  >=  '帀'  then  'Z'  
  when  substring(@str,@intLen,1)  >=  '丫'  then  'Y'  
  when  substring(@str,@intLen,1)  >=  '夕'  then  'X'  
  when  substring(@str,@intLen,1)  >=  '屲'  then  'W'  
  when  substring(@str,@intLen,1)  >=  '他'  then  'T'  
  when  substring(@str,@intLen,1)  >=  '仨'  then  'S'  
  when  substring(@str,@intLen,1)  >=  '呥'  then  'R'  
  when  substring(@str,@intLen,1)  >=  '七'  then  'Q'  
  when  substring(@str,@intLen,1)  >=  '妑'  then  'P'  
  when  substring(@str,@intLen,1)  >=  '噢'  then  'O'  
  when  substring(@str,@intLen,1)  >=  '拏'  then  'N'  
  when  substring(@str,@intLen,1)  >=  '嘸'  then  'M'  
  when  substring(@str,@intLen,1)  >=  '垃'  then  'L'  
  when  substring(@str,@intLen,1)  >=  '咔'  then  'K'  
  when  substring(@str,@intLen,1)  >=  '丌'  then    'J'  
  when  substring(@str,@intLen,1)  >=  '铪'  then  'H'  
  when  substring(@str,@intLen,1)  >=  '旮'  then  'G'  
  when  substring(@str,@intLen,1)  >=  '发'  then  'F'  
  when  substring(@str,@intLen,1)  >=  '妸'  then  'E'  
  when  substring(@str,@intLen,1)  >=  '咑'  then  'D'  
  when  substring(@str,@intLen,1)  >=  '嚓'  then  'C'  
  when  substring(@str,@intLen,1)  >=  '八'  then  'B'  
  when  substring(@str,@intLen,1)  >=  '吖'  then  'A'  
  else  rtrim(ltrim(substring(@str,@intLen,1)))  
  end  
  --对于汉字特殊字符，不生成拼音码  
  if  (ascii(@temp)>127)  set  @temp  =  ''  
  --对于英文中小括号，不生成拼音码  
  if  @temp  =  '('  or  @temp  =  ')'  set  @temp  =  ''  
  select  @strRet  =  @temp  +  @strRet  
  set  @intLen  =  @intLen  -  1  
  end  
  return  lower(@strRet)  
  end  

测试：

SELECT dbo.fn_GetPy('中文字段') AS pymc