W E B I N A RW E E K 24D v19R Release
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4Dϥϯήʔδ
ίϯϙʔωϯτͷΫϥεΛϗετ͔Β༻
4Dϥϯήʔδ -ίϯϙʔωϯτͷΫϥεΛϗετ͔Β༻ϓϩδΣΫτϞʔυόΠφϦʔσʔλϕʔε👍利⽤不可💧cs.myClass.new()
4Dϥϯήʔδ -ίϯϙʔωϯτͷΫϥεΛϗετ͔Β༻binaryhostprojectcomponentscs.myClass.new()👍
4Dϥϯήʔδ -ίϯϙʔωϯτͷΫϥεΛϗετ͔Β༻cs.myComponents.myClass.new()බࣈ ໊લNo Conflict! ໊લۭؒ
4Dϥϯήʔδ -ίϯϙʔωϯτͷΫϥεΛϗετ͔Β༻
ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠ
4Dϥϯήʔδ -ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠreturncontinuebreakϝιουͷ࣮ߦΛதࢭ͠ɺݺͼग़͠ݩͷϝιουͱ੍ޚΛ࣮͢ߦதͷϧʔϓΛதࢭ͠ɺϧʔϓޙͷίʔυͱ࣮ߦΛਐΊΔ࣮ߦதͷϧʔϓͷݱࡏͷճ͚ͩΛதࢭ͠ɺ࣍ͷճͷϧʔϓ͔ΒίʔυΛ࠶։͢Δ
4Dϥϯήʔδ -ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠIf ($value=1) & ($condition="good")If ($value=3) | ($condition="best")ANDOR
4Dϥϯήʔδ -ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠIf ($value=1) & ($condition="good")AND$value=3False👀
4Dϥϯήʔδ -ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠ&& ||必ずしも全てのオペランドを評価しない 式の値を返すギテキチ 新敵地True/Falseじゃないの？シンテキチ？義的⾎？何それ？全てを評価しないってどういうこと？
4Dϥϯήʔδ -ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠfalsy(ِత) truthy(ਅత)FalseNullUndefined“”(ۭͷจࣈྻ)[](ۭͷίϨΫγϣϯ){}(ۭͷΦϒδΣΫτ)NullΦϒδΣΫτ΄͔ͦΕҎ֎ͷͷ0ؚΉ!00-00-00!(ۭͷ) ?00:00:00?ؚΉ
4Dϥϯήʔδ -ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠ&&||$result1:="Hello" && True && New object$result2:=False || 0 || NullANDOR
4Dϥϯήʔδ -ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠIf ($entity#Null) //NullͰͳ͍͔νΣοΫIf ($entity.value>10)//ΤϯςΟςΟʹରͯ͠ॲཧΛ͢ΔEnd ifEnd if
If (($entity#Null) && ($entity.value>10))4Dϥϯήʔδ -ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠΤϯςΟςΟ͕NullͳΒ͜͜νΣοΫ͕͞Εͳ͍ͷͰΤϥʔ͕ى͖ͳ͍γϯϓϧʂ
4Dϥϯήʔδ -ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠvar $phone : TextIf ($employee.phone#Null)$phone:=$employee.phoneElse$phone:="൪߸ͳ͠"End if
4Dϥϯήʔδ -ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠvar $phone : Text$phone:=$employee.phone || "൪߸ͳ͠"👍
Null4Dϥϯήʔδ -ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠvar $phone : Text$phone:=$employee.phone || "൪߸ͳ͠"
4Dϥϯήʔδ -ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠvar $phone : Text$phone:=$employee.phone || "൪߸ͳ͠"γϯϓϧʂ“͑Δ”͔Ͳ͏͔=“༻ੑ”Λݟ͍ͯΔ
falsyͷͱ͖ͷ4Dϥϯήʔδ -ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠࡾ߲ԋࢉࢠ݅ ? truthyͷͱ͖ͷ :$category:=($person.age>12) ? "େਓ" : "খਓ"//$personΤϯςΟςΟͷage͕12Λ͍͑ͯΔ͔Ͳ͏͔Ͱ͕۠มΘΔ
4Dϥϯήʔδ -ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠ$num:=$num+1ෳ߹ೖԋࢉࢠ
4Dϥϯήʔδ -ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠ$num+=1$num-=4 $num*=3 $num/=2
4Dϥϯήʔδ -ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠ$text:="Hello"$text+=" World!"//$textʹ"Hello World!"͕ೖΔ$date:=Current date$date+=3//$dateʹ3ޙͷ͕ೖΔ$time:=Current time$time+=?01:00:00?//$timeʹ1࣌ؒޙͷ࣌ࠁ͕ೖΔ$time:=Current time$time-=100//$timeʹ100ඵલͷ࣌ࠁ͕ೖΔ
4Dϥϯήʔδ -ϧʔϓɺධՁɺͦͯ͠ෳ߹ೖԋࢉࢠ•return/break/continueʹΑΓແବͳίʔυΛݮΒ͢•truthy/falsy͓Αͼ&&/||ʹΑͬͯγϯϓϧͳධՁΛՄೳʹ•γϯϓϧͳIf…Elseࡾ߲ԋࢉࢠʹஔ͖͑Մೳ•ෳ߹ೖԋࢉࢠͰײతʹՃݮআ
Blobͱ4D.Blobʙ৽࣌ʙ
4Dϥϯήʔδ -Blobͱ4D.BlobBlob 4D.BlobมߋՄೳ͔Ͳ͏͔ มߋՄೳ มߋෆՄόΠτʹΞΫηε͢ΔࡍͷύϑΥʔϚϯε ྑ͍ ѱ͍࠷େαΠζ 2 GB ϝϞϦϝιουͳͲʹࢀরͱͯ͠͠ ෆՄ ՄೳΦϒδΣΫτίϨΫγϣϯͰڞ༗Մೳ ෆՄ Մೳʂ
4Dϥϯήʔδ -Blobͱ4D.BlobBlob 4D.BlobมߋՄೳ͔Ͳ͏͔ มߋՄೳ มߋෆՄόΠτʹΞΫηε͢ΔࡍͷύϑΥʔϚϯε ྑ͍ ѱ͍࠷େαΠζ 2 GB ϝϞϦϝιουͳͲʹࢀরͱͯ͠͠ ෆՄ ՄೳΦϒδΣΫτίϨΫγϣϯͰڞ༗Մೳ ෆՄ ՄೳʂΦϒδΣΫτʹBlobΛؚΊΔ͜ͱ͕Ͱ͖Δʂ
4Dϥϯήʔδ -Blobͱ4D.BlobDELETE FROM BLOBINSERT IN BLOBINTEGER TO BLOBLONGINT TO BLOBLIST TO BLOBREAL TO BLOBSET BLOB SIZESOAP DECLARATIONTEXT TO BLOBVARIABLE TO BLOBWEB SERVICE SET PARAMETER4D.BlobΛαϙʔτ͠ͳ͍ίϚϯυ
ႠͤΑɺେ͖ͳʙLongͷนΛ͑ͯʙ
4Dϥϯήʔδ -ႠͤΑɺେ͖ͳC_LONGINT($vLong) var $vlong : Integer32 bit± 2 ^ 31 -1-(2 ^ 31) +1
4Dϥϯήʔδ -ႠͤΑɺେ͖ͳC_LONGINT($vLong) var $vlong : Integer32 bit± -2147483647 2147483647
4Dϥϯήʔδ -ႠͤΑɺେ͖ͳC_REAL($real) var $real : Real
2 ^ 53 -1-(2 ^ 53) +14Dϥϯήʔδ -ႠͤΑɺେ͖ͳC_REAL($real) var $real : Real64 bit
-9,007,199,254,740,991 9,007,199,254,740,9914Dϥϯήʔδ -ႠͤΑɺେ͖ͳC_REAL($real) var $real : Real64 bit~
4Dϥϯήʔδ -ႠͤΑɺେ͖ͳ•৽͍͠σʔλλΠϓ͕Ճ͞Εͨ༁Ͱͳ͍•C_LONGINTɺC_REALͷ࣮ԿมΘ͍ͬͯͳ͍•খΛ༻͍ͯ͠ͳ͍ʹݶΓѻ͍͘͢ͳͬͨ•ʮ16ܻҎʯͰͳ͘Λ͑ͳ͍͜ͱ64 bitܕͷओΩʔΛ࣋ͭ֎෦DBͱͷ࿈ܞ 👍
4Dϥϯήʔδ -ͦͷଞͷ৽ػೳϑΥʔϛϡϥΛίϨΫγϣϯίʔϧόοΫίϚϯυͰ༻LZMA: ৽͍͠ѹॖΞϧΰϦζϜ͞Ε͍ͯͳ͍ҾʹΞΫηε͢Δ
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