Cov txheej txheem:
- Txhawm rau tsim qhov Progress Bar yooj yim siv JavaScript, cov kauj ruam hauv qab no yuav tsum tau ua:
- Tsim ib qho Progress Bar nrog JavaScript
- Cia peb pom ib qho piv txwv yooj yim los tso saib qhov kev nce qib hauv Android
Video: Kuv yuav ua li cas thiaj ua tau ib qho chaw thauj khoom hauv HTML?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Siv lub < kev vam meej > tag li tsim ib qho kev nce qib hauv HTML . Cov HTML < kev vam meej > tag qhia ua tiav kev vam meej ntawm ib txoj haujlwm. Nws yog tso tawm raws li ib tug kev nce qib bar . Tus nqi ntawm kev nce qib bar tuaj yeem hloov kho los ntawm JavaScript.
Ib yam li ntawd, nws tau nug, koj ua li cas thiaj li ua tau lub chaw thau khoom?
Txhawm rau tsim qhov Progress Bar yooj yim siv JavaScript, cov kauj ruam hauv qab no yuav tsum tau ua:
- Tsim cov qauv HTML rau koj qhov kev kawm bar: Cov lej hauv qab no muaj ob "div" tag lub npe hu ua "Progress_Status" thiab "myprogressbar".
- Ntxiv CSS:
- Ntxiv JavaScript:
- Txuas cov HTML, CSS thiab JavaScript cov ntsiab lus.
Ib yam li ntawd, qhov kev nce qib bar hauv HTML yog dab tsi? Cov HTML < kev vam meej > element displays ib qhov taw qhia qhia qhov ua tiav kev vam meej ntawm ib txoj hauj lwm, feem ntau tso tawm raws li a kev nce qib bar.
Xav txog qhov no, koj yuav ua li cas thiaj li ua tau lub chaw thauj khoom hauv JavaScript?
Tsim ib qho Progress Bar nrog JavaScript
- Kauj ruam 1 - Ntxiv cov HTML hauv qab no rau qhov chaw koj xav kom populate koj qhov kev kawm bar.
- Kauj ruam 2 - Ntxiv CSS hauv qab no rau cov ntawv tseem ceeb ntawm koj lub vev xaib.
- Kauj ruam 3 - Ntxiv cov JavaScript hauv qab no rau cov ntaub ntawv hu ua progress.js.
- Kauj ruam 4 - Ntxiv cov suav nrog hauv qab no rau koj nplooj ntawv web.
Kuv yuav ua li cas qhia kev nce qib bar?
Cia peb pom ib qho piv txwv yooj yim los tso saib qhov kev nce qib hauv Android
- ProgressDialog progressBar = tshiab ProgressDialog(qhov no);
- progressBar.setCancelable(true);//koj tuaj yeem thim nws los ntawm nias lub pob rov qab.
- progressBar.setMessage("Downloading ntaub ntawv");
- progressBar.setProgressStyle(ProgressDialog. STYLE_HORIZONTAL);
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