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Oracle实现金额小写转大写函数

中年农码工 76

前言:

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函数代码:

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:        将金额数字(单位元)转换为大写(采用从低至高算法)        数字整数部分不得超过16位,可以是负数。Ver:1.1 Modified By xsb on 2003-8-20 For:个位数处理也放在For循环中。        Ver:1.2 Modified By xsb on 2003-8-22 For:分后不带整字。Ver:1.3 Modified By xsb on 2003-8-28 For:完善测试用例。测试用例:SET HEAD OFFSET FEED OFFselect '无参数时='||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)));--转换数字为小数点后2位的字符(正数)num_left nvarchar2(100);--小数点左边的数字num_right nvarchar2(2);--小数点右边的数字str1 nchar(10) :='零壹贰参肆伍陆柒捌玖';--数字大写str2 nchar(16) :='元拾佰仟万拾佰仟亿拾佰仟万拾佰仟';--数字位数(从低至高)num_pre number(1):=1;--前一位上的数字num_current number(1);--当前位上的数字num_count number:=0;--当前数字位数beginif p_num is null then return null;end if;--转换数字为null时返回nullselect 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;--取得小数点左边的数字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;--取得小数点右边的数字if length(num_left)>16 then return '**********'; end if;--数字整数部分超过16位时  --采用从低至高的算法,先处理小数点右边的数字  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;  --再处理小数点左边的数字  for i in reverse 1..length(num_left)  loop --(从低至高)      num_count:=num_count+1;--当前数字位数      num_current:=to_number(substr(num_left,i,1));--当前位上的数字      if num_current>0 then --当前位上数字不为0按正常处理         result:=substr(str1,num_current+1,1)||substr(str2,num_count,1)||result;      else --当前位上数字为0时          if mod(num_count-1,4)=0 then --当前位是元、万或亿时            result:=substr(str2,num_count,1)||result;            num_pre:=0;--元、万,亿前不准加零          end if;                  if  num_pre>0 or length(num_left)=1 then  --上一位数字不为0或只有个位时              result:=substr(str1,num_current+1,1)||result;          end if;               end if;       num_pre:=num_current;  end loop;    if p_num<0 then --转换数字是负数时     result:='负'||result;  end if;    return Result;    exception  when others  then  raise_application_error(-20001,'数字转换大写出现错误!'||sqlerrm);end ;

测试用例:

-- 无参数,结果为: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=零元壹角陆分select '0.155='||f_upper_money(0.155) total from dual;-- 01.125=壹元壹角参分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=壹万元整select '10000='||f_upper_money(10000) from dual;-- 10025.52=壹万零贰拾伍元伍角贰分select '10025.52='||f_upper_money(10025.52) from dual;-- 50000020.05=伍仟万零贰拾元零伍分select '50000020.05='||f_upper_money(50000020.05) from dual;-- 5040302105.501=伍拾亿肆仟零参拾万贰仟壹佰零伍元伍角整select '5040302105.501='||f_upper_money(5040302105.501) from dual;-- 50002001075.001=伍佰亿零贰佰万壹仟零柒拾伍元整select '50002001075.001='||f_upper_money(50002001075.001) from dual;-- -123456789.15=负壹亿贰仟参佰肆拾伍万陆仟柒佰捌拾玖元壹角伍分select '-123456789.15='||f_upper_money(-123456789.15) from dual;-- 123456789123456789.89=**********select '123456789123456789.89='||f_upper_money(123456789123456789.89) from dual;

标签: #oracle转换为数字 #oracle字符串转化为数字 #oracle中大小写 #oracle 整数转换小数 #oracle修改表空间大写