用vbscript实现启用 Caps Lock (大写)键
作者 佚名
来源 ASP编程
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发布时间 2013-07-09
问: 嗨,ScriptingGuy!IhaveascriptwhereusersentersomeinformationinanInputbox.Theinformationneedstobeenteredinall-capitalletters,somyinstructionssay,“PleasemakesuretheCapsLockkeyisonbeforeenteringtheinformation.”Theydon''talwaysdothat,however.IsthereawaytoturntheCapsLockkeyonandoffusingascript? --BW,Medford,OR 答: Hey,BW.Wedon''tknowofawaytoturntheCapsLockkeyonandoff,butwedoknowawaytomimictheeffectofhavingtheCapsLockkeyon.Afterall,thewholepointoftheCapsLockkeyistoturneverythingyoutypeintouppercaseletters.Forexample,youmighttypethis: thisismysentence. ButCapsLockwillmakeitappearonscreenlikethis: THISISMYSENTENCE. Sohowcanweachievethesameaffectinascript?简单:wejustusetheVBScriptfunctionUCase,whichswitchesallthelettersinastringtotheiruppercaseequivalent.Forexample,here''sasimpletwo-linescriptthatgathersinformationfromauserandthenusestheUCasefunctiontoswitchalltheletterstouppercasewhenechoingthevaluetothescreen: strMessage=InputBox("Pleaseenteryourmessage:")Wscript.EchoUCase(strMessage) Incidentally,theabovescriptdoesn''tactuallychangethecaseofthelettersinthestringstrMessage;itjustdisplaystheminuppercase.Ifyoureallywantallthelettersconvertedtouppercase,trythisscriptinstead: strMessage=UCase(InputBox("Pleaseenteryourmessage:"))Wscript.EchostrMessage Lookscrazy,butitworks. FormoreinformationabouttheUCasefunction,seetheVBScript文档onMSDN. |
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