create or replace function f_trans_pinyin_capital(p_name in varchar2)
return varchar2 as
v_compare varchar2(100);
v_return varchar2(4000);
function f_nlssort(p_word in varchar2) return varchar2 as
begin
return nlssort(p_word, 'nls_sort=schinese_pinyin_m');
end;
begin
for i in 1 .. length(p_name)
loop
v_compare := f_nlssort(substr(p_name, i, 1));
if v_compare >= f_nlssort(' 吖 ')
and v_compare <= f_nlssort('驁 ')
then
v_return := v_return || 'a';
elsif v_compare >= f_nlssort('八 ')
and v_compare <= f_nlssort('簿 ')
then
v_return := v_return || 'b';
elsif v_compare >= f_nlssort('嚓 ')
and v_compare <= f_nlssort('錯 ')
then
v_return := v_return || 'c';
elsif v_compare >= f_nlssort('咑 ')
and v_compare <= f_nlssort('鵽 ')
then
v_return := v_return || 'd';
elsif v_compare >= f_nlssort('妸 ')
and v_compare <= f_nlssort('樲 ')
then
v_return := v_return || 'e';
elsif v_compare >= f_nlssort('發 ')
and v_compare <= f_nlssort('猤 ')
then
v_return := v_return || 'f';
elsif v_compare >= f_nlssort('旮 ')
and v_compare <= f_nlssort('腂 ')
then
v_return := v_return || 'g';
elsif v_compare >= f_nlssort('妎 ')
and v_compare <= f_nlssort('夻 ')
then
v_return := v_return || 'h';
elsif v_compare >= f_nlssort('丌 ')
and v_compare <= f_nlssort('攈 ')
then
v_return := v_return || 'j';
elsif v_compare >= f_nlssort('咔 ')
and v_compare <= f_nlssort('穒 ')
then
v_return := v_return || 'k';
elsif v_compare >= f_nlssort('垃 ')
and v_compare <= f_nlssort('擽 ')
then
v_return := v_return || 'l';
elsif v_compare >= f_nlssort('嘸 ')
and v_compare <= f_nlssort('椧 ')
then
v_return := v_return || 'm';
elsif v_compare >= f_nlssort('拏 ')
and v_compare <= f_nlssort('瘧 ')
then
v_return := v_return || 'n';
elsif v_compare >= f_nlssort('筽 ')
and v_compare <= f_nlssort('漚 ')
then
v_return := v_return || 'o';
elsif v_compare >= f_nlssort('妑 ')
and v_compare <= f_nlssort('曝 ')
then
v_return := v_return || 'p';
elsif v_compare >= f_nlssort('七 ')
and v_compare <= f_nlssort('裠 ')
then
v_return := v_return || 'q';
elsif v_compare >= f_nlssort('亽 ')
and v_compare <= f_nlssort('鶸 ')
then
v_return := v_return || 'r';
elsif v_compare >= f_nlssort('仨 ')
and v_compare <= f_nlssort('蜶 ')
then
v_return := v_return || 's';
elsif v_compare >= f_nlssort('侤 ')
and v_compare <= f_nlssort('籜 ')
then
v_return := v_return || 't';
elsif v_compare >= f_nlssort('屲 ')
and v_compare <= f_nlssort('鶩 ')
then
v_return := v_return || 'w';
elsif v_compare >= f_nlssort('夕 ')
and v_compare <= f_nlssort('鑂 ')
then
v_return := v_return || 'x';
elsif v_compare >= f_nlssort('丫 ')
and v_compare <= f_nlssort('韻 ')
then
v_return := v_return || 'y';
elsif v_compare >= f_nlssort('帀 ')
and v_compare <= f_nlssort('咗 ')
then
v_return := v_return || 'z';
else
v_return := v_return || substr(p_name, i, 1);
end if;
end loop;
return v_return;
end;
--------------------------------------test
select upper(f_trans_pinyin_capital('中華人民共和國')) from dual
--or
declare
text varchar(10);
begin
text := f_trans_pinyin_capital('中華人民共和國');
dbms_output.put_line(text);
end;
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