Oracle中的二进制、八进制、十进制、十六进制相互转换函数 二进制转换成八进制

FUNCTION f_bin_to_oct(p_str IN VARCHAR2)RETURN VARCHAR2;

FUNCTION f_bin_to_dec(p_str IN VARCHAR2) RETURNVARCHAR2;

FUNCTION f_bin_to_hex(p_str IN VARCHAR2) RETURNVARCHAR2;

FUNCTION f_oct_to_bin(p_str IN VARCHAR2)RETURN VARCHAR2;

FUNCTION f_oct_to_dec(p_str IN VARCHAR2) RETURNVARCHAR2;

FUNCTION f_oct_to_hex(p_str IN VARCHAR2)RETURN VARCHAR2;

FUNCTION f_hex_to_bin(p_str IN VARCHAR2) RETURNVARCHAR2;

FUNCTION f_hex_to_oct(p_str IN VARCHAR2)RETURN VARCHAR2;

FUNCTION f_hex_to_dec(p_str IN VARCHAR2)RETURN VARCHAR2;

FUNCTION f_dec_to_bin(p_int IN VARCHAR2) RETURNVARCHAR2;

FUNCTION f_dec_to_oct(p_int IN VARCHAR2)RETURN VARCHAR2;

FUNCTION f_dec_to_hex(p_int IN VARCHAR2)RETURN VARCHAR2;

END pkg_number_trans;
/
CREATE OR REPLACE PACKAGE BODY pkg_number_trans IS

FUNCTION f_bin_to_oct(p_str IN VARCHAR2) RETURNVARCHAR2 IS
----------------------------------------------------------------------------------------------------------------------
-- 对象名称:f_bin_to_oct
-- 对象描述:二进制转换八进制
-- 输入参数:p_str 二进制字符串
-- 返回结果:八进制字符串
-- 测试用例:SELECT pkg_number_trans.f_bin_to_oct('11110001010') FROMdual;
--备 注:需要定义f_stragg函数和type_str_agg类型
----------------------------------------------------------------------------------------------------------------------
v_returnVARCHAR2(4000);
v_binVARCHAR2(4000);
BEGIN
v_bin :=substr('00' || p_str, -3 * ceil(length(p_str) / 3));
SELECTf_stragg(data1) INTO v_return
FROM (SELECT (CASE upper(substr(v_bin, (rownum - 1) * 3 + 1,3))
WHEN '000' THEN '0'
WHEN '001' THEN '1'
WHEN '010' THEN '2'
WHEN '011' THEN '3'
WHEN '100' THEN '4'
WHEN '101' THEN '5'
WHEN '110' THEN '6'
WHEN '111' THEN '7'
END) data1
FROM dual
CONNECT BY rownum <= length(v_bin) / 3);
RETURNv_return;
EXCEPTION
WHEN OTHERSTHEN
RETURN NULL;
END f_bin_to_oct;

FUNCTION f_bin_to_dec(p_str IN VARCHAR2)RETURN VARCHAR2 IS
----------------------------------------------------------------------------------------------------------------------
-- 对象名称:f_bin_to_dec
-- 对象描述:二进制转换十进制
-- 输入参数:p_str 二进制字符串
-- 返回结果:十进制字符串
-- 测试用例:SELECT pkg_number_trans.f_bin_to_dec('11110001010') FROMdual;
----------------------------------------------------------------------------------------------------------------------
v_return VARCHAR2(4000);
BEGIN
SELECTSUM(data1) INTO v_return
FROM (SELECT substr(p_str, rownum, 1) * power(2, length(p_str) -rownum) data1
FROM dual
CONNECT BY rownum <= length(p_str));
RETURNv_return;
EXCEPTION
WHEN OTHERSTHEN
RETURN NULL;
END f_bin_to_dec;

FUNCTION f_bin_to_hex(p_str IN VARCHAR2)RETURN VARCHAR2 IS
----------------------------------------------------------------------------------------------------------------------
-- 对象名称:f_bin_to_hex
-- 对象描述:二进制转换十六进制
-- 输入参数:p_str 二进制字符串
-- 返回结果:十六进制字符串
-- 测试用例:SELECT pkg_number_trans.f_bin_to_oct('11110001010') FROMdual;
--备 注:需要定义f_stragg函数和type_str_agg类型
----------------------------------------------------------------------------------------------------------------------
v_returnVARCHAR2(4000);
v_binVARCHAR2(4000);
BEGIN
v_bin :=substr('000' || p_str, -4 * ceil(length(p_str) / 4));
SELECTf_stragg(data1) INTO v_return
FROM (SELECT (CASE upper(substr(v_bin, (rownum - 1) * 4 + 1,4))
WHEN '0000' THEN '0'
WHEN '0001' THEN '1'
WHEN '0010' THEN '2'
WHEN '0011' THEN '3'
WHEN '0100' THEN '4'
WHEN '0101' THEN '5'
WHEN '0110' THEN '6'
WHEN '0111' THEN '7'
WHEN '1000' THEN '8'
WHEN '1001' THEN '9'
WHEN '1010' THEN 'A'
WHEN '1011' THEN 'B'
WHEN '1100' THEN 'C'
WHEN '1101' THEN 'D'
WHEN '1110' THEN 'E'
WHEN '1111' THEN 'F'
END) data1
FROM dual
CONNECT BY rownum <= length(v_bin) / 4);
RETURNv_return;
EXCEPTION
WHEN OTHERSTHEN
RETURN NULL;
END f_bin_to_hex;

FUNCTION f_oct_to_bin(p_str IN VARCHAR2)RETURN VARCHAR2 IS
----------------------------------------------------------------------------------------------------------------------
-- 对象名称:f_oct_to_bin
-- 对象描述:八进制转换二进制
-- 输入参数:p_str 八进制字符串
-- 返回结果:二进制字符串
-- 测试用例:SELECT pkg_number_trans.f_oct_to_bin('3612') FROM dual;
--备 注:需要定义f_stragg函数和type_str_agg类型
----------------------------------------------------------------------------------------------------------------------
v_returnVARCHAR2(4000);
BEGIN
SELECTto_char(to_number(f_stragg(data1))) INTO v_return
FROM (SELECT (CASE upper(substr(p_str, rownum, 1))
WHEN '0' THEN '000'
WHEN '1' THEN '001'
WHEN '2' THEN '010'
WHEN '3' THEN '011'
WHEN '4' THEN '100'
WHEN '5' THEN '101'
WHEN '6' THEN '110'
WHEN '7' THEN '111'
END) data1
FROM dual
CONNECT BY rownum <= length(p_str));
RETURNv_return;
EXCEPTION
WHEN OTHERSTHEN
RETURN NULL;
END f_oct_to_bin;

FUNCTION f_oct_to_dec(p_str IN VARCHAR2)RETURN VARCHAR2 IS
----------------------------------------------------------------------------------------------------------------------
-- 对象名称:f_oct_to_dec
-- 对象描述:八进制转换十进制
-- 输入参数:p_str 八进制字符串
-- 返回结果:十进制字符串
-- 测试用例:SELECT pkg_number_trans.f_oct_to_dec('3612') FROM dual;
----------------------------------------------------------------------------------------------------------------------
v_return VARCHAR2(4000);
BEGIN
SELECTSUM(data1) INTO v_return
FROM (SELECT substr(p_str, rownum, 1) * power(8, length(p_str) -rownum) data1
FROM dual
CONNECT BY rownum <= length(p_str));
RETURNv_return;
EXCEPTION
WHEN OTHERSTHEN
RETURN NULL;
END f_oct_to_dec;

FUNCTION f_oct_to_hex(p_str IN VARCHAR2) RETURNVARCHAR2 IS
----------------------------------------------------------------------------------------------------------------------
-- 对象名称:f_oct_to_bin
-- 对象描述:八进制转换十六进制
-- 输入参数:p_str 八进制字符串
-- 返回结果:十六进制字符串
-- 测试用例:SELECT pkg_number_trans.f_oct_to_hex('3612') FROM dual;
----------------------------------------------------------------------------------------------------------------------
v_returnVARCHAR2(4000);
v_binVARCHAR2(4000);
BEGIN
SELECTpkg_number_trans.f_oct_to_bin(p_str) INTO v_bin FROM dual;
SELECTpkg_number_trans.f_bin_to_hex(v_bin) INTO v_return FROM dual;
RETURNv_return;
EXCEPTION
WHEN OTHERSTHEN
RETURN NULL;
END f_oct_to_hex;

FUNCTION f_dec_to_bin(p_int IN VARCHAR2)RETURN VARCHAR2 IS
----------------------------------------------------------------------------------------------------------------------
-- 对象名称:f_dec_to_bin
-- 对象描述:十进制转换二进制
-- 输入参数:p_str 十进制字符串
-- 返回结果:二进制字符串
-- 测试用例:SELECT pkg_number_trans.f_dec_to_bin('1930') FROM dual;
----------------------------------------------------------------------------------------------------------------------
v_returnVARCHAR2(4000);
v_hexVARCHAR2(4000);
BEGIN
SELECTpkg_number_trans.f_dec_to_hex(p_int) INTO v_hex FROM dual;
SELECTpkg_number_trans.f_hex_to_bin(v_hex) INTO v_return FROM dual;
RETURNv_return;
EXCEPTION
WHEN OTHERSTHEN
RETURN NULL;
END f_dec_to_bin;

FUNCTION f_dec_to_oct(p_int IN VARCHAR2) RETURNVARCHAR2 IS
----------------------------------------------------------------------------------------------------------------------
-- 对象名称:f_dec_to_oct
-- 对象描述:十进制转换八进制
-- 输入参数:p_str 十进制字符串
-- 返回结果:八进制字符串
-- 测试用例:SELECT pkg_number_trans.f_dec_to_oct('1930') FROM dual;
----------------------------------------------------------------------------------------------------------------------
v_returnVARCHAR2(4000);
v_binVARCHAR2(4000);
BEGIN
SELECTpkg_number_trans.f_dec_to_bin(p_int) INTO v_bin FROM dual;
v_bin :=substr('00' || v_bin, -3 * ceil(length(v_bin) / 3));
SELECTf_stragg(data1) INTO v_return
FROM (SELECT (CASE upper(substr(v_bin, (rownum - 1) * 3 + 1,3))
WHEN '000' THEN '0'
WHEN '001' THEN '1'
WHEN '010' THEN '2'
WHEN '011' THEN '3'
WHEN '100' THEN '4'
WHEN '101' THEN '5'
WHEN '110' THEN '6'
WHEN '111' THEN '7'
END) data1
FROM dual
CONNECT BY rownum <= length(v_bin) / 3);
RETURNv_return;
EXCEPTION
WHEN OTHERSTHEN
RETURN NULL;
END f_dec_to_oct;

FUNCTION f_dec_to_hex(p_int IN VARCHAR2) RETURNVARCHAR2 IS
----------------------------------------------------------------------------------------------------------------------
-- 对象名称:f_dec_to_oct
-- 对象描述:十进制转换十六进制
-- 输入参数:p_str 十进制字符串
-- 返回结果:十六进制字符串
-- 测试用例:SELECT pkg_number_trans.f_dec_to_hex('1930') FROM dual;
----------------------------------------------------------------------------------------------------------------------
v_returnVARCHAR2(4000);
BEGIN
SELECTupper(TRIM(to_char(p_int,'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')))INTO v_return FROM dual;
RETURNv_return;
EXCEPTION
WHEN OTHERSTHEN
RETURN NULL;
END f_dec_to_hex;

FUNCTION f_hex_to_bin(p_str IN VARCHAR2) RETURNVARCHAR2 IS
----------------------------------------------------------------------------------------------------------------------
-- 对象名称:f_dec_to_oct
-- 对象描述:十六进制转换二进制
-- 输入参数:p_str 十六进制字符串
-- 返回结果:二进制字符串
-- 测试用例:SELECT pkg_number_trans.f_hex_to_oct('78A') FROM dual;
----------------------------------------------------------------------------------------------------------------------
v_returnVARCHAR2(4000);
BEGIN
SELECTto_char(to_number(f_stragg(data1))) INTO v_return
FROM (SELECT (CASE upper(substr(p_str, rownum, 1))
WHEN '0' THEN '0000'
WHEN '1' THEN '0001'
WHEN '2' THEN '0010'
WHEN '3' THEN '0011'
WHEN '4' THEN '0100'
WHEN '5' THEN '0101'
WHEN '6' THEN '0110'
WHEN '7' THEN '0111'
WHEN '8' THEN '1000'
WHEN '9' THEN '1001'
WHEN 'A' THEN '1010'
WHEN 'B' THEN '1011'
WHEN 'C' THEN '1100'
WHEN 'D' THEN '1101'
WHEN 'E' THEN '1110'
WHEN 'F' THEN '1111'
END) data1
FROM dual
CONNECT BY rownum <= length(p_str));
RETURNv_return;
EXCEPTION
WHEN OTHERSTHEN
RETURN NULL;
END f_hex_to_bin;

FUNCTION f_hex_to_oct(p_str IN VARCHAR2) RETURNVARCHAR2 IS
----------------------------------------------------------------------------------------------------------------------
-- 对象名称:f_dec_to_oct
-- 对象描述:十六进制转换八进制
-- 输入参数:p_str 十六进制字符串
-- 返回结果:八进制字符串
-- 测试用例:SELECT pkg_number_trans.f_hex_to_oct('78A') FROM dual;
----------------------------------------------------------------------------------------------------------------------
v_returnVARCHAR2(4000);
v_binVARCHAR2(4000);
BEGIN
SELECTpkg_number_trans.f_hex_to_bin(p_str) INTO v_bin FROM dual;
SELECTpkg_number_trans.f_bin_to_oct(v_bin) INTO v_return FROM dual;
RETURNv_return;
EXCEPTION
WHEN OTHERSTHEN
RETURN NULL;
END f_hex_to_oct;

FUNCTION f_hex_to_dec(p_str IN VARCHAR2) RETURNVARCHAR2 IS
----------------------------------------------------------------------------------------------------------------------
-- 对象名称:f_hex_to_dec
-- 对象描述:十六进制转换十进制
-- 输入参数:p_str 十六进制字符串
-- 返回结果:十进制字符串
-- 测试用例:SELECT pkg_number_trans.f_hex_to_dec('78A') FROM dual;
----------------------------------------------------------------------------------------------------------------------
v_return VARCHAR2(4000);
BEGIN
SELECTSUM(data1) INTO v_return
FROM (SELECT (CASE upper(substr(p_str, rownum, 1))
WHEN 'A' THEN '10'
WHEN 'B' THEN '11'
WHEN 'C' THEN '12'
WHEN 'D' THEN '13'
WHEN 'E' THEN '14'
WHEN 'F' THEN '15'
ELSE substr(p_str, rownum, 1)
END) * power(16, length(p_str) - rownum) data1
FROM dual
CONNECT BY rownum <= length(p_str));
RETURNv_return;

EXCEPTION
WHEN OTHERSTHEN
RETURN NULL;
END f_hex_to_dec;

END pkg_number_trans;
/




CREATE OR REPLACE TYPE type_str_agg AS OBJECT
(
total VARCHAR2(4000),

STATIC FUNCTION odciaggregateinitialize(sctxIN OUT type_str_agg)
RETURNNUMBER,

MEMBER FUNCTION odciaggregateiterate
(
SELF IN OUT type_str_agg,
VALUE INVARCHAR2
) RETURN NUMBER,

MEMBER FUNCTION odciaggregateterminate
(
SELFIN type_str_agg,
returnvalueOUT VARCHAR2,
flagsIN NUMBER
) RETURN NUMBER,

MEMBER FUNCTION odciaggregatemerge
(
SELF IN OUTtype_str_agg,
ctx2 INtype_str_agg
) RETURN NUMBER
)
/
CREATE OR REPLACE TYPE BODY type_str_agg IS

STATIC FUNCTION odciaggregateinitialize(sctxIN OUT type_str_agg)
RETURNNUMBER IS
BEGIN
sctx :=type_str_agg(NULL);
RETURNodciconst.success;
END;

MEMBER FUNCTION odciaggregateiterate
(
SELF IN OUT type_str_agg,
VALUE INVARCHAR2
) RETURN NUMBER IS
BEGIN
SELF.total:= SELF.total || VALUE;
RETURNodciconst.success;
END;

MEMBER FUNCTION odciaggregateterminate
(
SELFIN type_str_agg,
returnvalueOUT VARCHAR2,
flagsIN NUMBER
) RETURN NUMBER IS
BEGIN
returnvalue:= SELF.total;
RETURNodciconst.success;
END;

MEMBER FUNCTION odciaggregatemerge
(
SELF IN OUTtype_str_agg,
ctx2 INtype_str_agg
) RETURN NUMBER IS
BEGIN
SELF.total:= SELF.total || ctx2.total;
RETURNodciconst.success;
END;

END;
/




CREATE OR REPLACE FUNCTION f_stragg(p_input VARCHAR2) RETURNVARCHAR2
PARALLEL_ENABLE
AGGREGATE USING type_str_agg;
/

爱华网本文地址 » http://www.aihuau.com/a/25101014/216988.html