实例介绍
【实例简介】VFP编写的生成条码的程序
【实例截图】
【核心代码】*------------------------------------------------------
* PROCEDURE Code_39Ext()
*------------------------------------------------------
* Generate Code 39 Extended bar code
*------------------------------------------------------
PROCEDURE Code_39Ext()
LOCAL lcRet, lnLen, lnSum, lnAsc, lcStart, lcStop
LOCAL lcTag, ln
IF NOT THIS.ValidAscii(THIS.cTextValue, 0, 127)
*-- Chars not valid
THIS.cMsgError = FBC_39EXT_01
RETURN NULL
ENDIF
m.lnLen = LEN(THIS.cTextValue)
LOCAL ARRAY laCod39Ext[128]
m.laCod39Ext(1) = "%U"
m.laCod39Ext(2) = "$A"
m.laCod39Ext(3) = "$B"
m.laCod39Ext(4) = "$C"
m.laCod39Ext(5) = "$D"
m.laCod39Ext(6) = "$E"
m.laCod39Ext(7) = "$F"
m.laCod39Ext(8) = "$G"
m.laCod39Ext(9) = "$H"
m.laCod39Ext(10) = "$I"
m.laCod39Ext(11) = "$J"
m.laCod39Ext(12) = "$K"
m.laCod39Ext(13) = "$L"
m.laCod39Ext(14) = "$M"
m.laCod39Ext(15) = "$N"
m.laCod39Ext(16) = "$O"
m.laCod39Ext(17) = "$P"
m.laCod39Ext(18) = "$Q"
m.laCod39Ext(19) = "$R"
m.laCod39Ext(20) = "$S"
m.laCod39Ext(21) = "$T"
m.laCod39Ext(22) = "$U"
m.laCod39Ext(23) = "$V"
m.laCod39Ext(24) = "$W"
m.laCod39Ext(25) = "$X"
m.laCod39Ext(26) = "$Y"
m.laCod39Ext(27) = "$Z"
m.laCod39Ext(28) = "%A"
m.laCod39Ext(29) = "%B"
m.laCod39Ext(30) = "%C"
m.laCod39Ext(31) = "%D"
m.laCod39Ext(32) = "%E"
m.laCod39Ext(33) = SPACE(1)
m.laCod39Ext(34) = "/A"
m.laCod39Ext(35) = "/B"
m.laCod39Ext(36) = "/C"
m.laCod39Ext(37) = "/D"
m.laCod39Ext(38) = "/E"
m.laCod39Ext(39) = "/F"
m.laCod39Ext(40) = "/G"
m.laCod39Ext(41) = "/H"
m.laCod39Ext(42) = "/I"
m.laCod39Ext(43) = "/J"
m.laCod39Ext(44) = "/K"
m.laCod39Ext(45) = "/L"
m.laCod39Ext(46) = "-"
m.laCod39Ext(47) = "."
m.laCod39Ext(48) = "/O"
m.laCod39Ext(49) = "0"
m.laCod39Ext(50) = "1"
m.laCod39Ext(51) = "2"
m.laCod39Ext(52) = "3"
m.laCod39Ext(53) = "4"
m.laCod39Ext(54) = "5"
m.laCod39Ext(55) = "6"
m.laCod39Ext(56) = "7"
m.laCod39Ext(57) = "8"
m.laCod39Ext(58) = "9"
m.laCod39Ext(59) = "/Z"
m.laCod39Ext(60) = "%F"
m.laCod39Ext(61) = "%G"
m.laCod39Ext(62) = "%H"
m.laCod39Ext(63) = "%I"
m.laCod39Ext(64) = "%J"
m.laCod39Ext(65) = "%V"
m.laCod39Ext(66) = "A"
m.laCod39Ext(67) = "B"
m.laCod39Ext(68) = "C"
m.laCod39Ext(69) = "D"
m.laCod39Ext(70) = "E"
m.laCod39Ext(71) = "F"
m.laCod39Ext(72) = "G"
m.laCod39Ext(73) = "H"
m.laCod39Ext(74) = "I"
m.laCod39Ext(75) = "J"
m.laCod39Ext(76) = "K"
m.laCod39Ext(77) = "L"
m.laCod39Ext(78) = "M"
m.laCod39Ext(79) = "N"
m.laCod39Ext(80) = "O"
m.laCod39Ext(81) = "P"
m.laCod39Ext(82) = "Q"
m.laCod39Ext(83) = "R"
m.laCod39Ext(84) = "S"
m.laCod39Ext(85) = "T"
m.laCod39Ext(86) = "U"
m.laCod39Ext(87) = "V"
m.laCod39Ext(88) = "W"
m.laCod39Ext(89) = "X"
m.laCod39Ext(90) = "Y"
m.laCod39Ext(91) = "Z"
m.laCod39Ext(92) = "%K"
m.laCod39Ext(93) = "%L"
m.laCod39Ext(94) = "%M"
m.laCod39Ext(95) = "%N"
m.laCod39Ext(96) = "%O"
m.laCod39Ext(97) = "%W"
m.laCod39Ext(98) = " A"
m.laCod39Ext(99) = " B"
m.laCod39Ext(100) = " C"
m.laCod39Ext(101) = " D"
m.laCod39Ext(102) = " E"
m.laCod39Ext(103) = " F"
m.laCod39Ext(104) = " G"
m.laCod39Ext(105) = "H"
m.laCod39Ext(106) = " I"
m.laCod39Ext(107) = " J"
m.laCod39Ext(108) = " K"
m.laCod39Ext(109) = " L"
m.laCod39Ext(110) = " M"
m.laCod39Ext(111) = " N"
m.laCod39Ext(112) = " O"
m.laCod39Ext(113) = " P"
m.laCod39Ext(114) = " Q"
m.laCod39Ext(115) = " R"
m.laCod39Ext(116) = " S"
m.laCod39Ext(117) = " T"
m.laCod39Ext(118) = " U"
m.laCod39Ext(119) = " V"
m.laCod39Ext(120) = " W"
m.laCod39Ext(121) = " X"
m.laCod39Ext(122) = " Y"
m.laCod39Ext(123) = " Z"
m.laCod39Ext(124) = "%P"
m.laCod39Ext(125) = "%Q"
m.laCod39Ext(126) = "%R"
m.laCod39Ext(127) = "%S"
m.laCod39Ext(128) = "%T"
*-- Expanding Characters
m.lcTag = ""
FOR m.ln = 1 TO m.lnLen
m.lcTag = m.lcTag m.laCod39Ext(ASC(SUBSTR(THIS.cTextValue, m.ln, 1)) 1)
ENDFOR
THIS.TAG = THIS.cTextValue
THIS.cTextValue = m.lcTag
m.lcRet = THIS.Code_39()
THIS.cTextValue = THIS.TAG
THIS.cHumanReadableText = IIF(THIS.lShowStartStopChars, "*", "") THIS.cTextValue IIF(THIS.lAddCheckDigit AND THIS.lShowCheckDigit, THIS.cCheckDigit, "") IIF(THIS.lShowStartStopChars, "*", "")
THIS.cHumanReadableText = THIS.AddSpace(THIS.cHumanReadableText)
RETURN m.lcRet
ENDPROC
【实例截图】
【核心代码】*------------------------------------------------------
* PROCEDURE Code_39Ext()
*------------------------------------------------------
* Generate Code 39 Extended bar code
*------------------------------------------------------
PROCEDURE Code_39Ext()
LOCAL lcRet, lnLen, lnSum, lnAsc, lcStart, lcStop
LOCAL lcTag, ln
IF NOT THIS.ValidAscii(THIS.cTextValue, 0, 127)
*-- Chars not valid
THIS.cMsgError = FBC_39EXT_01
RETURN NULL
ENDIF
m.lnLen = LEN(THIS.cTextValue)
LOCAL ARRAY laCod39Ext[128]
m.laCod39Ext(1) = "%U"
m.laCod39Ext(2) = "$A"
m.laCod39Ext(3) = "$B"
m.laCod39Ext(4) = "$C"
m.laCod39Ext(5) = "$D"
m.laCod39Ext(6) = "$E"
m.laCod39Ext(7) = "$F"
m.laCod39Ext(8) = "$G"
m.laCod39Ext(9) = "$H"
m.laCod39Ext(10) = "$I"
m.laCod39Ext(11) = "$J"
m.laCod39Ext(12) = "$K"
m.laCod39Ext(13) = "$L"
m.laCod39Ext(14) = "$M"
m.laCod39Ext(15) = "$N"
m.laCod39Ext(16) = "$O"
m.laCod39Ext(17) = "$P"
m.laCod39Ext(18) = "$Q"
m.laCod39Ext(19) = "$R"
m.laCod39Ext(20) = "$S"
m.laCod39Ext(21) = "$T"
m.laCod39Ext(22) = "$U"
m.laCod39Ext(23) = "$V"
m.laCod39Ext(24) = "$W"
m.laCod39Ext(25) = "$X"
m.laCod39Ext(26) = "$Y"
m.laCod39Ext(27) = "$Z"
m.laCod39Ext(28) = "%A"
m.laCod39Ext(29) = "%B"
m.laCod39Ext(30) = "%C"
m.laCod39Ext(31) = "%D"
m.laCod39Ext(32) = "%E"
m.laCod39Ext(33) = SPACE(1)
m.laCod39Ext(34) = "/A"
m.laCod39Ext(35) = "/B"
m.laCod39Ext(36) = "/C"
m.laCod39Ext(37) = "/D"
m.laCod39Ext(38) = "/E"
m.laCod39Ext(39) = "/F"
m.laCod39Ext(40) = "/G"
m.laCod39Ext(41) = "/H"
m.laCod39Ext(42) = "/I"
m.laCod39Ext(43) = "/J"
m.laCod39Ext(44) = "/K"
m.laCod39Ext(45) = "/L"
m.laCod39Ext(46) = "-"
m.laCod39Ext(47) = "."
m.laCod39Ext(48) = "/O"
m.laCod39Ext(49) = "0"
m.laCod39Ext(50) = "1"
m.laCod39Ext(51) = "2"
m.laCod39Ext(52) = "3"
m.laCod39Ext(53) = "4"
m.laCod39Ext(54) = "5"
m.laCod39Ext(55) = "6"
m.laCod39Ext(56) = "7"
m.laCod39Ext(57) = "8"
m.laCod39Ext(58) = "9"
m.laCod39Ext(59) = "/Z"
m.laCod39Ext(60) = "%F"
m.laCod39Ext(61) = "%G"
m.laCod39Ext(62) = "%H"
m.laCod39Ext(63) = "%I"
m.laCod39Ext(64) = "%J"
m.laCod39Ext(65) = "%V"
m.laCod39Ext(66) = "A"
m.laCod39Ext(67) = "B"
m.laCod39Ext(68) = "C"
m.laCod39Ext(69) = "D"
m.laCod39Ext(70) = "E"
m.laCod39Ext(71) = "F"
m.laCod39Ext(72) = "G"
m.laCod39Ext(73) = "H"
m.laCod39Ext(74) = "I"
m.laCod39Ext(75) = "J"
m.laCod39Ext(76) = "K"
m.laCod39Ext(77) = "L"
m.laCod39Ext(78) = "M"
m.laCod39Ext(79) = "N"
m.laCod39Ext(80) = "O"
m.laCod39Ext(81) = "P"
m.laCod39Ext(82) = "Q"
m.laCod39Ext(83) = "R"
m.laCod39Ext(84) = "S"
m.laCod39Ext(85) = "T"
m.laCod39Ext(86) = "U"
m.laCod39Ext(87) = "V"
m.laCod39Ext(88) = "W"
m.laCod39Ext(89) = "X"
m.laCod39Ext(90) = "Y"
m.laCod39Ext(91) = "Z"
m.laCod39Ext(92) = "%K"
m.laCod39Ext(93) = "%L"
m.laCod39Ext(94) = "%M"
m.laCod39Ext(95) = "%N"
m.laCod39Ext(96) = "%O"
m.laCod39Ext(97) = "%W"
m.laCod39Ext(98) = " A"
m.laCod39Ext(99) = " B"
m.laCod39Ext(100) = " C"
m.laCod39Ext(101) = " D"
m.laCod39Ext(102) = " E"
m.laCod39Ext(103) = " F"
m.laCod39Ext(104) = " G"
m.laCod39Ext(105) = "H"
m.laCod39Ext(106) = " I"
m.laCod39Ext(107) = " J"
m.laCod39Ext(108) = " K"
m.laCod39Ext(109) = " L"
m.laCod39Ext(110) = " M"
m.laCod39Ext(111) = " N"
m.laCod39Ext(112) = " O"
m.laCod39Ext(113) = " P"
m.laCod39Ext(114) = " Q"
m.laCod39Ext(115) = " R"
m.laCod39Ext(116) = " S"
m.laCod39Ext(117) = " T"
m.laCod39Ext(118) = " U"
m.laCod39Ext(119) = " V"
m.laCod39Ext(120) = " W"
m.laCod39Ext(121) = " X"
m.laCod39Ext(122) = " Y"
m.laCod39Ext(123) = " Z"
m.laCod39Ext(124) = "%P"
m.laCod39Ext(125) = "%Q"
m.laCod39Ext(126) = "%R"
m.laCod39Ext(127) = "%S"
m.laCod39Ext(128) = "%T"
*-- Expanding Characters
m.lcTag = ""
FOR m.ln = 1 TO m.lnLen
m.lcTag = m.lcTag m.laCod39Ext(ASC(SUBSTR(THIS.cTextValue, m.ln, 1)) 1)
ENDFOR
THIS.TAG = THIS.cTextValue
THIS.cTextValue = m.lcTag
m.lcRet = THIS.Code_39()
THIS.cTextValue = THIS.TAG
THIS.cHumanReadableText = IIF(THIS.lShowStartStopChars, "*", "") THIS.cTextValue IIF(THIS.lAddCheckDigit AND THIS.lShowCheckDigit, THIS.cCheckDigit, "") IIF(THIS.lShowStartStopChars, "*", "")
THIS.cHumanReadableText = THIS.AddSpace(THIS.cHumanReadableText)
RETURN m.lcRet
ENDPROC
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