Cov txheej txheem:
Video: Yuav ua li cas koj paub meej dialog ntawm JOptionPane?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Tsim ib tug paub meej dialog box Hauv Java, siv Java Swing JOptionPane . showConfirmDialog() txoj kev, uas tso cai rau koj los tsim ib tug dialog box uas nug kev lees paub los ntawm tus neeg siv.
Cov lus nug tseem yog, koj siv JOptionPane showMessageDialog li cas?
Thawj qhov yuav tsum tau ua yog siv lub tsev qiv ntawv uas peb xav siv:
- import javax.
- Txhawm rau kom tau txais lub thawv ntawv uas tus neeg siv tuaj yeem ntaus rau hauv, peb tuaj yeem siv txoj kev showInputDialog ntawm JOptionPane.
- String first_name;
- Ob npaug nias showInputDialog.
- Txoj hlua family_name;
- Txoj hlua full_name;
- JOptionPane.showMessageDialog(null, full_name);
Ib sab saum toj, koj ua JOptionPane li cas? Tsim ib JOptionPane: JOptionPane Dialog « Swing « Java
- Tso cov lus (los ntawm kev siv cov txheej txheem showMessageDialog)
- Nug rau tus neeg siv qhov kev pom zoo (siv cov txheej txheem showConfirmDialog)
- Tau txais tus neeg siv cov tswv yim (siv cov txheej txheem showInputDialog)
- Ua qhov sib xyaw peb saum toj no (siv cov txheej txheem showOptionDialog)
Xav txog qhov no, JDialog yog dab tsi?
JDialog yog ib feem Java viav vias pob. Lub hom phiaj tseem ceeb ntawm cov dialog yog ntxiv cov khoom rau nws. JDialog ( Dialog o, String s): tsim ib qho khoob dialog nrog ib qho kev qhia dialog raws li nws tus tswv thiab teev npe.
Koj siv JOptionPane li cas?
Cov Txheej Txheem ntawm JOptionPane class Nws yog siv los tsim cov lus dialog nrog muab lub npe thiab messageType. Nws yog siv los tsim ib qho kev sib tham nrog cov kev xaiv Yog, Tsis yog thiab Ncua tseg; nrog lub npe, Xaiv qhov Kev Xaiv. Nws yog siv los qhia ib lo lus nug-lus dialog thov cov tswv yim los ntawm tus neeg siv niam txiv rau niam txivComponent.
Pom zoo:
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