Qee cov haujlwm tsis yog tsim rau cov neeg siv, tab sis ua haujlwm nyob rau hauv qhov system. Txawm li cas los xij, feem ntau ntawm cov kev zov me nyuam yog tsim los "sib txuas lus" nrog tus neeg siv thiab yuav tsum teb rau cov neeg siv kev ua - nrog rau cov nias khawm.
Cov Lus Qhia
Kauj ruam 1
Txhawm rau kom paub lub pob nyem, qhov kev zov me nyuam yuav tsum muaj tus txheej xwm tuav nrog cuam tshuam nrog cov nas thiab cov keyboard. Yog tias koj xav tau cov ntawv khawm pib hauv lub interface ntawm qhov kev pab cuam nws tus kheej, koj yuav tsum ntes cov xwm txheej ntawm cov ntawv hais ntawm lawv tus kheej. Lub JavaScript lub cajmeem lus siv lub cev ntu ntawm nplooj onkeydown los tuav cov xwm txheej. Txhawm rau txiav txim siab seb lub pob twg tau tshwm sim ntawm qhov kev tshwm sim, koj yuav tsum thov lub pob yuam sij keyCode los ntawm qhov xwm txheej tshwm sim.
Kauj ruam 2
Hauv cov lus Delphi programming, txhawm rau kho cov sijhawm keyboard, koj yuav tsum siv cov khoom ntawm TButton hom thiab nws cov khoom thiab cov qauv, xws li TButton. Tag, TButton. OnClick, TButton. Parent thiab lwm yam. Txhawm rau kom paub seb qhov twg tseem ceeb ua rau qhov kev tshwm sim, siv TButton. Name hlua parameter. Yog tias koj tau swm lub sijhawm siv PHP hauv cov nplooj ntawv html, tom qab ntawd ua cov lus teb rau lub pob nyem siv cov code $ xa = $ _ POST ['xa'], uas tau hais yav dhau los hais tias muaj cov khoom siv nrog kev nkag rau parameter hauv nplooj cim npe.
Kauj ruam 3
Yuav ua li cas daim ntawv thov teb rau tus neeg siv nias lub pob nyob ntawm cov lus programming. Kawm cov ntu sib thooj uas muaj npe “Tuav Cov Phiaj Xwm Cov Keyboard” thiab sim ua piv txwv. Raws li kev xyaum ua kom pom, tsis muaj ib qho software tshwj xeeb rau kev lees paub khawm cov haujlwm ntawm lub computer ntiag tug. Cov haujlwm zoo li no tsuas yog siv tau rau hauv qhov kev zov me nyuam, thiab txawm tias tom qab ntawd, hauv qee qhov haujlwm. Yog tias koj muaj teeb meem nrog nias cov nyees khawm los ntawm cov keyboard thaum ua haujlwm ntawm koj lub khoos phis tawm, khiav kev kuaj mob lossis tseem yuav nrhiav cov keyboard tshiab.
