oracle将表字段轉為小寫?函數代碼：create or replace function F_upper_money(p_num in number default null)
return nvarchar2 is
/*Ver:1.0 Created By xsb on 2003-8-18 For:
将金額數字(單位元)轉換為大寫(采用從低至高算法)
數字整數部分不得超過16位,可以是負數
Ver：1.1 Modified By xsb on 2003-8-20 For:個位數處理也放在For循環中
Ver：1.2 Modified By xsb on 2003-8-22 For:分後不帶整字
Ver：1.3 Modified By xsb on 2003-8-28 For:完善測試用例
測試用例:
SET HEAD OFF
SET FEED OFF
select '無參數時='||f_upper_money() from dual;
select 'null='||f_upper_money(null) from dual;
select '0='||f_upper_money(0) from dual;
select '0.01='||f_upper_money(0.01) from dual;
select '0.126='||f_upper_money(0.126) from dual;
select '01.234='||f_upper_money(01.234) from dual;
select '10='||f_upper_money(10) from dual;
select '100.1='||f_upper_money(100.1) from dual;
select '100.01='||f_upper_money(100.01) from dual;
select '10000='||f_upper_money(10000) from dual;
select '10012.12='||f_upper_money(10012.12) from dual;
select '20000020.01='||f_upper_money(20000020.01) from dual;
select '3040506708.901='||f_upper_money(3040506708.901) from dual;
select '40005006078.001='||f_upper_money(40005006078.001) from dual;
select '-123456789.98='||f_upper_money(-123456789.98) from dual;
select '123456789123456789.89='||f_upper_money(123456789123456789.89) from dual;
*/
Result nvarchar2(100);--返回字符串
num_round nvarchar2(100) :=to_char(abs(round(p_num,2)));--轉換數字為小數點後2位的字符(正數)
num_left nvarchar2(100);--小數點左邊的數字
num_right nvarchar2(2);--小數點右邊的數字
str1 nchar(10) :='零壹貳參肆伍陸柒捌玖';--數字大寫
str2 nchar(16) :='元拾佰仟萬拾佰仟億拾佰仟萬拾佰仟';--數字位數(從低至高)
num_pre number(1):=1;--前一位上的數字
num_current number(1);--當前位上的數字
num_count number:=0;--當前數字位數
begin
if p_num is null then return null;end if;--轉換數字為null時返回null
select to_char(
nvl(substr(to_char(num_round),1,
decode(instr(to_char(num_round),'.'),0,
length(num_round),instr(to_char(num_round),'.')-1)),
0)) into num_left from dual;--取得小數點左邊的數字
select substr(to_char(num_round),
decode(instr(to_char(num_round),'.'),0,
length(num_round) 1,instr(to_char(num_round),'.') 1),2)
into num_right from dual;--取得小數點右邊的數字
if length(num_left)>16 then return '**********'; end if;--數字整數部分超過16位時
--采用從低至高的算法，先處理小數點右邊的數字
if length(num_right)=2 then
if to_number(substr(num_right,1,1))=0 then
result:='零'||substr(str1,to_number(substr(num_right,2,1)) 1,1)||'分';
else
result:=substr(str1,to_number(substr(num_right,1,1)) 1,1)||'角'||
substr(str1,to_number(substr(num_right,2,1)) 1,1)||'分';
end if;
elsif length(num_right)=1 then
result:=substr(str1,to_number(substr(num_right,1,1)) 1,1)||'角整';
else
result :='整';
end if;
--再處理小數點左邊的數字
for i in reverse 1..length(num_left) loop --(從低至高)
num_count:=num_count 1;--當前數字位數
num_current:=to_number(substr(num_left,i,1));--當前位上的數字
if num_current>0 then --當前位上數字不為0按正常處理
result:=substr(str1,num_current 1,1)||substr(str2,num_count,1)||result;
else --當前位上數字為0時
if mod(num_count-1,4)=0 then --當前位是元、萬或億時
result:=substr(str2,num_count,1)||result;
num_pre:=0;--元、萬,億前不準加零
end if;
if num_pre>0 or length(num_left)=1 then --上一位數字不為0或隻有個位時
result:=substr(str1,num_current 1,1)||result;
end if;
end if;
num_pre:=num_current;
end loop;
if p_num<0 then --轉換數字是負數時
result:='負'||result;
end if;
return Result;
exception
when others then
raise_application_error(-20001,'數字轉換大寫出現錯誤'||sqlerrm);
end ;
，今天小編就來聊一聊關于oracle将表字段轉為小寫?接下來我們就一起去研究一下吧!
函數代碼：
create or replace function F_upper_money(p_num in number default null)
return nvarchar2 is
/*Ver:1.0 Created By xsb on 2003-8-18 For:
将金額數字(單位元)轉換為大寫(采用從低至高算法)
數字整數部分不得超過16位,可以是負數。
Ver：1.1 Modified By xsb on 2003-8-20 For:個位數處理也放在For循環中。
Ver：1.2 Modified By xsb on 2003-8-22 For:分後不帶整字。
Ver：1.3 Modified By xsb on 2003-8-28 For:完善測試用例。
測試用例:
SET HEAD OFF
SET FEED OFF
select '無參數時='||f_upper_money() from dual;
select 'null='||f_upper_money(null) from dual;
select '0='||f_upper_money(0) from dual;
select '0.01='||f_upper_money(0.01) from dual;
select '0.126='||f_upper_money(0.126) from dual;
select '01.234='||f_upper_money(01.234) from dual;
select '10='||f_upper_money(10) from dual;
select '100.1='||f_upper_money(100.1) from dual;
select '100.01='||f_upper_money(100.01) from dual;
select '10000='||f_upper_money(10000) from dual;
select '10012.12='||f_upper_money(10012.12) from dual;
select '20000020.01='||f_upper_money(20000020.01) from dual;
select '3040506708.901='||f_upper_money(3040506708.901) from dual;
select '40005006078.001='||f_upper_money(40005006078.001) from dual;
select '-123456789.98='||f_upper_money(-123456789.98) from dual;
select '123456789123456789.89='||f_upper_money(123456789123456789.89) from dual;
*/
Result nvarchar2(100);--返回字符串
num_round nvarchar2(100) :=to_char(abs(round(p_num,2)));--轉換數字為小數點後2位的字符(正數)
num_left nvarchar2(100);--小數點左邊的數字
num_right nvarchar2(2);--小數點右邊的數字
str1 nchar(10) :='零壹貳參肆伍陸柒捌玖';--數字大寫
str2 nchar(16) :='元拾佰仟萬拾佰仟億拾佰仟萬拾佰仟';--數字位數(從低至高)
num_pre number(1):=1;--前一位上的數字
num_current number(1);--當前位上的數字
num_count number:=0;--當前數字位數
begin
if p_num is null then return null;end if;--轉換數字為null時返回null
select to_char(
nvl(substr(to_char(num_round),1,
decode(instr(to_char(num_round),'.'),0,
length(num_round),instr(to_char(num_round),'.')-1)),
0)) into num_left from dual;--取得小數點左邊的數字
select substr(to_char(num_round),
decode(instr(to_char(num_round),'.'),0,
length(num_round) 1,instr(to_char(num_round),'.') 1),2)
into num_right from dual;--取得小數點右邊的數字
if length(num_left)>16 then return '**********'; end if;--數字整數部分超過16位時
--采用從低至高的算法，先處理小數點右邊的數字
if length(num_right)=2 then
if to_number(substr(num_right,1,1))=0 then
result:='零'||substr(str1,to_number(substr(num_right,2,1)) 1,1)||'分';
else
result:=substr(str1,to_number(substr(num_right,1,1)) 1,1)||'角'||
substr(str1,to_number(substr(num_right,2,1)) 1,1)||'分';
end if;
elsif length(num_right)=1 then
result:=substr(str1,to_number(substr(num_right,1,1)) 1,1)||'角整';
else
result :='整';
end if;
--再處理小數點左邊的數字
for i in reverse 1..length(num_left) loop --(從低至高)
num_count:=num_count 1;--當前數字位數
num_current:=to_number(substr(num_left,i,1));--當前位上的數字
if num_current>0 then --當前位上數字不為0按正常處理
result:=substr(str1,num_current 1,1)||substr(str2,num_count,1)||result;
else --當前位上數字為0時
if mod(num_count-1,4)=0 then --當前位是元、萬或億時
result:=substr(str2,num_count,1)||result;
num_pre:=0;--元、萬,億前不準加零
end if;
if num_pre>0 or length(num_left)=1 then --上一位數字不為0或隻有個位時
result:=substr(str1,num_current 1,1)||result;
end if;
end if;
num_pre:=num_current;
end loop;
if p_num<0 then --轉換數字是負數時
result:='負'||result;
end if;
return Result;
exception
when others then
raise_application_error(-20001,'數字轉換大寫出現錯誤！'||sqlerrm);
end ;
測試用例：
-- 無參數，結果為：null=
select 'null='||f_upper_money(null) total from dual;
-- 0=零元整
select '0='||f_upper_money(0) total from dual;
-- 0.05=零元零伍分
select '0.05='||f_upper_money(0.05) total from dual;
-- 0.155=零元壹角陸分
select '0.155='||f_upper_money(0.155) total from dual;
-- 01.125=壹元壹角參分
select '01.125='||f_upper_money(01.125) total from dual;
-- 10=壹拾元整
select '10='||f_upper_money(10) total from dual;
-- 100.5=壹佰元伍角整
select '100.5='||f_upper_money(100.5) total from dual;
-- 100.05=壹佰元零伍分
select '100.05='||f_upper_money(100.05) from dual;
-- 10000=壹萬元整
select '10000='||f_upper_money(10000) from dual;
-- 10025.52=壹萬零貳拾伍元伍角貳分
select '10025.52='||f_upper_money(10025.52) from dual;
-- 50000020.05=伍仟萬零貳拾元零伍分
select '50000020.05='||f_upper_money(50000020.05) from dual;
-- 5040302105.501=伍拾億肆仟零參拾萬貳仟壹佰零伍元伍角整
select '5040302105.501='||f_upper_money(5040302105.501) from dual;
-- 50002001075.001=伍佰億零貳佰萬壹仟零柒拾伍元整
select '50002001075.001='||f_upper_money(50002001075.001) from dual;
-- -123456789.15=負壹億貳仟參佰肆拾伍萬陸仟柒佰捌拾玖元壹角伍分
select '-123456789.15='||f_upper_money(-123456789.15) from dual;
-- 123456789123456789.89=**********
select '123456789123456789.89='||f_upper_money(123456789123456789.89) from dual;
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