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發表於:2017-05-14
Ifyouinvokeapreexistingfunctionthatcanthrowacheckedexception,youshouldwriteawrapperfunctionthatcatchesandhandlesthatexception;then,invokethewrappermethodfromXSLTinstead.H...
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發表於:2017-07-06
Listing2showsthecodeforthedatabasewrapperclass.ThiswrapperclassdropsitsconnectiontotheDataObjectwhenitgoesoutofscope,orgetsnulled.Theduplicateclassstructurestendtogetinth...
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發表於:2017-07-20
Ifyouinvokeapreexistingfunctionthatcanthrowacheckedexception,youshouldwriteawrapperfunctionthatcatchesandhandlesthatexception;then,invokethewrappermethodfromXSLTinstead.T...
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發表於:2018-06-15
Let'spullawaythewrapperfirst.Theactionof"creating"awrapperactuallyregisterstheappropriateexistingwrapperforyourchosentarget.Listing2showsthecodeforthedatabasewrappercl...