1
CREATE function udf_GetFirst_Py
2(@Str varchar(500)='')
3returns varchar(500)
4as
5begin
6 Declare @strlen int,
7 @return varchar(500),
8 @ii int
9 Declare @n int,
10 @c char(1),
11 @chn nchar(1)
12 --//初始化变量
13 Select @strlen=len(@str),@return='',@ii=0
14 --//确认输入不为空
15 if @strlen=0
16 begin
17 select @return='Please input chatacter!'
18 return(@return)
19 end
20 --//循环整个字符串,用拼音的首字母替换汉字
21 while @ii<@strlen
22 begin
23 select @ii=@ii+1,@n=63,@chn=substring(@str,@ii,1)
24 if @chn>'z' --//检索输入的字符串中有中文字符
25 select @n=@n+1 ,@c = case chn when @chn then
26char(@n) else @c end
27 from( select top 27 * from (
28 select chn = '
29吖'
30 union all
31select '八'
32 union all
33select '嚓'
34 union all
35select '咑'
36 union all
37select '妸'
38 union all
39select '发'
40 union all
41select '旮'
42 union all
43select '铪'
44 union all
45select '丌'
46 union all
47select '丌'
48 union all
49select '咔'
50 union all
51select '垃'
52 union all
53select '嘸'
54 union all
55select '拏'
56 union all
57select '噢'
58 union all
59select '妑'
60 union all
61select '七'
62 union all
63select '呥'
64 union all
65select '仨'
66 union all
67select '他'
68 union all
69select '屲'
70 union all
71select '屲'
72 union all
73select '屲'
74 union all
75select '夕'
76 union all
77select '丫'
78 union all
79select '帀'
80 union all
81select @chn) as a
82 order by chn COLLATE
83Chinese_PRC_CI_AS
84 ) as b
85 else set @c=@chn
86 set @return=@return+@c
87 end
88 return(@return)
89end
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