Flex
Jikwaa ngwa ngwa, nhazi na nha nke kọlụm grid, igodo, akụrụngwa na ihe ndị ọzọ site na iji ngwa ngwa flexbox na-anabata ngwa ngwa. Maka mmejuputa iwu siri ike karị, CSS omenala nwere ike ịdị mkpa.
Kwado omume mgbanwe
Tinye displayakụrụngwa iji mepụta akpa flexbox wee gbanwee ihe ụmụaka na-eduzi ka ọ bụrụ ihe na-agbanwe agbanwe . Enwere ike ịmegharị arịa na ihe ndị na-agbanwe agbanwe site na iji njirimara mgbanwe ndị ọzọ.
<div class="d-flex p-2">I'm a flexbox container!</div><div class="d-inline-flex p-2">I'm an inline flexbox container!</div>Ọdịiche na-anabatakwa dịkwa maka .d-flexna .d-inline-flex.
.d-flex.d-inline-flex.d-sm-flex.d-sm-inline-flex.d-md-flex.d-md-inline-flex.d-lg-flex.d-lg-inline-flex.d-xl-flex.d-xl-inline-flex.d-xxl-flex.d-xxl-inline-flex
Ntuziaka
Tọọ ntụzịaka nke ihe ndị na-agbanwe agbanwe n'ime akpa mkpụgharị nwere ihe ntụzi aka. N'ọtụtụ oge, ị nwere ike ịhapụ klaasị kwụ ọtọ ebe a ka ihe nchọgharị ndabere bụ row. Otú ọ dị, ị nwere ike izute ọnọdụ ebe ịchọrọ ịtọ uru a n'ụzọ doro anya (dị ka nhazi na-anabata).
Jiri .flex-rowka ịtọọ ntụzịaka kwụ ọtọ (ndabara ihe nchọgharị ahụ), ma ọ bụ .flex-row-reverseka ịmalite ntụzịaka kwụ n'akụkụ nke ọzọ.
<div class="d-flex flex-row mb-3">
<div class="p-2">Flex item 1</div>
<div class="p-2">Flex item 2</div>
<div class="p-2">Flex item 3</div>
</div>
<div class="d-flex flex-row-reverse">
<div class="p-2">Flex item 1</div>
<div class="p-2">Flex item 2</div>
<div class="p-2">Flex item 3</div>
</div>Jiri .flex-columnka ịtọ ụzọ kwụ ọtọ, ma ọ bụ .flex-column-reverseka ịmalite ụzọ kwụ ọtọ site n'akụkụ nke ọzọ.
<div class="d-flex flex-column mb-3">
<div class="p-2">Flex item 1</div>
<div class="p-2">Flex item 2</div>
<div class="p-2">Flex item 3</div>
</div>
<div class="d-flex flex-column-reverse">
<div class="p-2">Flex item 1</div>
<div class="p-2">Flex item 2</div>
<div class="p-2">Flex item 3</div>
</div>Ọdịiche na-anabatakwa dịkwa maka flex-direction.
.flex-row.flex-row-reverse.flex-column.flex-column-reverse.flex-sm-row.flex-sm-row-reverse.flex-sm-column.flex-sm-column-reverse.flex-md-row.flex-md-row-reverse.flex-md-column.flex-md-column-reverse.flex-lg-row.flex-lg-row-reverse.flex-lg-column.flex-lg-column-reverse.flex-xl-row.flex-xl-row-reverse.flex-xl-column.flex-xl-column-reverse.flex-xxl-row.flex-xxl-row-reverse.flex-xxl-column.flex-xxl-column-reverse
Hazie ọdịnaya
Jiri justify-contentakụrụngwa na igbe flexbox ka ịgbanwee nhazi nke ihe ngbanwe na axis isi (axis x-amalite, y-axis ma ọ bụrụ flex-direction: column). Họrọ site na start(ndabara ihe nchọgharị), end, center, between, around, ma ọ bụ evenly.
<div class="d-flex justify-content-start">...</div>
<div class="d-flex justify-content-end">...</div>
<div class="d-flex justify-content-center">...</div>
<div class="d-flex justify-content-between">...</div>
<div class="d-flex justify-content-around">...</div>
<div class="d-flex justify-content-evenly">...</div>
Ọdịiche na-anabatakwa dịkwa maka justify-content.
.justify-content-start.justify-content-end.justify-content-center.justify-content-between.justify-content-around.justify-content-evenly.justify-content-sm-start.justify-content-sm-end.justify-content-sm-center.justify-content-sm-between.justify-content-sm-around.justify-content-sm-evenly.justify-content-md-start.justify-content-md-end.justify-content-md-center.justify-content-md-between.justify-content-md-around.justify-content-md-evenly.justify-content-lg-start.justify-content-lg-end.justify-content-lg-center.justify-content-lg-between.justify-content-lg-around.justify-content-lg-evenly.justify-content-xl-start.justify-content-xl-end.justify-content-xl-center.justify-content-xl-between.justify-content-xl-around.justify-content-xl-evenly.justify-content-xxl-start.justify-content-xxl-end.justify-content-xxl-center.justify-content-xxl-between.justify-content-xxl-around.justify-content-xxl-evenly
Hazie ihe
Jiri align-itemsakụrụngwa dị na igbe flexbox iji gbanwee nhazi nke ihe ndị na-agbanwe agbanwe na axis obe (y-axis ịmalite, x-axis ma ọ bụrụ flex-direction: column). Họrọ site na start, end, center, baseline, ma ọ bụ stretch(ndabara ihe nchọgharị).
<div class="d-flex align-items-start">...</div>
<div class="d-flex align-items-end">...</div>
<div class="d-flex align-items-center">...</div>
<div class="d-flex align-items-baseline">...</div>
<div class="d-flex align-items-stretch">...</div>
Ọdịiche na-anabatakwa dịkwa maka align-items.
.align-items-start.align-items-end.align-items-center.align-items-baseline.align-items-stretch.align-items-sm-start.align-items-sm-end.align-items-sm-center.align-items-sm-baseline.align-items-sm-stretch.align-items-md-start.align-items-md-end.align-items-md-center.align-items-md-baseline.align-items-md-stretch.align-items-lg-start.align-items-lg-end.align-items-lg-center.align-items-lg-baseline.align-items-lg-stretch.align-items-xl-start.align-items-xl-end.align-items-xl-center.align-items-xl-baseline.align-items-xl-stretch.align-items-xxl-start.align-items-xxl-end.align-items-xxl-center.align-items-xxl-baseline.align-items-xxl-stretch
Hazie onwe
Jiri align-selfutilities na flexbox ihe ka ịgbanwee n'otu n'otu ha alignment na cross axis (y-axis na-amalite, x-axis ma ọ bụrụ flex-direction: column). Họrọ n'otu nhọrọ dị ka align-items: start, end, center, baseline, ma ọ bụ stretch(ndabara ihe nchọgharị).
<div class="align-self-start">Aligned flex item</div>
<div class="align-self-end">Aligned flex item</div>
<div class="align-self-center">Aligned flex item</div>
<div class="align-self-baseline">Aligned flex item</div>
<div class="align-self-stretch">Aligned flex item</div>
Ọdịiche na-anabatakwa dịkwa maka align-self.
.align-self-start.align-self-end.align-self-center.align-self-baseline.align-self-stretch.align-self-sm-start.align-self-sm-end.align-self-sm-center.align-self-sm-baseline.align-self-sm-stretch.align-self-md-start.align-self-md-end.align-self-md-center.align-self-md-baseline.align-self-md-stretch.align-self-lg-start.align-self-lg-end.align-self-lg-center.align-self-lg-baseline.align-self-lg-stretch.align-self-xl-start.align-self-xl-end.align-self-xl-center.align-self-xl-baseline.align-self-xl-stretch.align-self-xxl-start.align-self-xxl-end.align-self-xxl-center.align-self-xxl-baseline.align-self-xxl-stretch
Jupụta
Jiri .flex-fillklaasị na usoro nke nwanne ihe ịmanye ha ka obosara ha nhata ọdịnaya ha (ma ọ bụ nha nha ma ọ bụrụ na ọdịnaya ha anaghị agafe igbe oke ha) ka ị na-eburu oghere niile dị n'akụkụ.
<div class="d-flex">
<div class="p-2 flex-fill">Flex item with a lot of content</div>
<div class="p-2 flex-fill">Flex item</div>
<div class="p-2 flex-fill">Flex item</div>
</div>Ọdịiche na-anabatakwa dịkwa maka flex-fill.
.flex-fill.flex-sm-fill.flex-md-fill.flex-lg-fill.flex-xl-fill.flex-xxl-fill
Too na adalata
Jiri .flex-grow-*akụrụngwa ka ịgbanwee ike ihe na-agbanwe agbanwe iji mejupụta oghere dị. N'ihe atụ dị n'okpuru ebe a, ihe .flex-grow-1ndị ahụ na-eji ohere niile ọ nwere ike, ebe ha na-ahapụ ihe abụọ fọdụrụnụ na-agbanwe agbanwe ohere ha dị mkpa.
<div class="d-flex">
<div class="p-2 flex-grow-1">Flex item</div>
<div class="p-2">Flex item</div>
<div class="p-2">Third flex item</div>
</div>Jiri .flex-shrink-*akụrụngwa ka ịgbanwee ike ihe na-agbanwe agbanwe ọ bụrụ na ọ dị mkpa. N'ihe atụ dị n'okpuru ebe a, a na .flex-shrink-1-amanye ihe nke abụọ na-agbanwe agbanwe na ka ọ kechie ọdịnaya ya na ahịrị ọhụrụ, "na-ebelata" iji nyekwuo ohere maka ihe mgbanwe gara aga na .w-100.
<div class="d-flex">
<div class="p-2 w-100">Flex item</div>
<div class="p-2 flex-shrink-1">Flex item</div>
</div>Ọdịiche na-anabatakwa dịkwa maka flex-growna flex-shrink.
.flex-{grow|shrink}-0.flex-{grow|shrink}-1.flex-sm-{grow|shrink}-0.flex-sm-{grow|shrink}-1.flex-md-{grow|shrink}-0.flex-md-{grow|shrink}-1.flex-lg-{grow|shrink}-0.flex-lg-{grow|shrink}-1.flex-xl-{grow|shrink}-0.flex-xl-{grow|shrink}-1.flex-xxl-{grow|shrink}-0.flex-xxl-{grow|shrink}-1
Oke akpaaka
Flexbox nwere ike ime ụfọdụ ọmarịcha ihe mara mma mgbe ị na-agwakọta flex alignments na oke akpaaka. Egosiri n'okpuru bụ ọmụmaatụ atọ nke ịchịkwa ihe mgbanwe site na oke akpaaka: ndabara (enweghị oke akpaaka), ịkwanye ihe abụọ n'aka nri ( .me-auto), na ịkwanye ihe abụọ n'aka ekpe ( .ms-auto).
<div class="d-flex mb-3">
<div class="p-2">Flex item</div>
<div class="p-2">Flex item</div>
<div class="p-2">Flex item</div>
</div>
<div class="d-flex mb-3">
<div class="me-auto p-2">Flex item</div>
<div class="p-2">Flex item</div>
<div class="p-2">Flex item</div>
</div>
<div class="d-flex mb-3">
<div class="p-2">Flex item</div>
<div class="p-2">Flex item</div>
<div class="ms-auto p-2">Flex item</div>
</div>Na nhazi-ihe
Bugharịa otu ihe na-agbanwe agbanwe gaa n'elu ma ọ bụ ala nke akpa site na ịgwakọta align-items, flex-direction: column, na margin-top: automa ọ bụ margin-bottom: auto.
<div class="d-flex align-items-start flex-column mb-3" style="height: 200px;">
<div class="mb-auto p-2">Flex item</div>
<div class="p-2">Flex item</div>
<div class="p-2">Flex item</div>
</div>
<div class="d-flex align-items-end flex-column mb-3" style="height: 200px;">
<div class="p-2">Flex item</div>
<div class="p-2">Flex item</div>
<div class="mt-auto p-2">Flex item</div>
</div>Kechie
Gbanwee ka ihe ndị na-agbanwe agbanwe si kechie n'ime akpa mgbanwe. Họrọ n'enweghị ihe mkpuchi ma ọlị (ndabara ihe nchọgharị ahụ) na .flex-nowrap, ijikọ ya na .flex-wrap, ma ọ bụ tụgharịa jiri .flex-wrap-reverse.
<div class="d-flex flex-nowrap">
...
</div>
<div class="d-flex flex-wrap">
...
</div>
<div class="d-flex flex-wrap-reverse">
...
</div>
Ọdịiche na-anabatakwa dịkwa maka flex-wrap.
.flex-nowrap.flex-wrap.flex-wrap-reverse.flex-sm-nowrap.flex-sm-wrap.flex-sm-wrap-reverse.flex-md-nowrap.flex-md-wrap.flex-md-wrap-reverse.flex-lg-nowrap.flex-lg-wrap.flex-lg-wrap-reverse.flex-xl-nowrap.flex-xl-wrap.flex-xl-wrap-reverse.flex-xxl-nowrap.flex-xxl-wrap.flex-xxl-wrap-reverse
Nye iwu
Gbanwee usoro a na -ahụ anya nke ihe ndị na-agbanwe agbanwe site na iji obere orderngwa ọrụ. Anyị na-enye naanị nhọrọ maka ịme ihe mbụ ma ọ bụ nke ikpeazụ, yana ntọgharị iji iji usoro DOM. Dị ka orderọ na-ewe uru integer ọ bụla site na 0 ruo 5, tinye CSS omenala maka ụkpụrụ ọ bụla ọzọ achọrọ.
<div class="d-flex flex-nowrap">
<div class="order-3 p-2">First flex item</div>
<div class="order-2 p-2">Second flex item</div>
<div class="order-1 p-2">Third flex item</div>
</div>Ọdịiche na-anabatakwa dịkwa maka order.
.order-0.order-1.order-2.order-3.order-4.order-5.order-sm-0.order-sm-1.order-sm-2.order-sm-3.order-sm-4.order-sm-5.order-md-0.order-md-1.order-md-2.order-md-3.order-md-4.order-md-5.order-lg-0.order-lg-1.order-lg-2.order-lg-3.order-lg-4.order-lg-5.order-xl-0.order-xl-1.order-xl-2.order-xl-3.order-xl-4.order-xl-5.order-xxl-0.order-xxl-1.order-xxl-2.order-xxl-3.order-xxl-4.order-xxl-5
Na mgbakwunye, enwerekwa anabata .order-firstna .order-lastklaasị na-agbanwe orderihe mmewere site na itinye order: -1na order: 6, n'otu n'otu.
.order-first.order-last.order-sm-first.order-sm-last.order-md-first.order-md-last.order-lg-first.order-lg-last.order-xl-first.order-xl-last.order-xxl-first.order-xxl-last
Hazie ọdịnaya
Jiri align-contentakụrụngwa na arịa flexbox kwado ihe ndị na-agbanwe agbanwe ọnụ na axis cross. Họrọ site na start(ndabara ihe nchọgharị), end, center, between, around, ma ọ bụ stretch. Iji gosi akụrụngwa ndị a, anyị etinyela flex-wrap: wrapma mụbaa ọnụ ọgụgụ nke flex ihe.
Welie isi elu! Ngwongwo a enweghị mmetụta na otu ahịrị nke ihe mgbanwe.
<div class="d-flex align-content-start flex-wrap">
...
</div>
<div class="d-flex align-content-end flex-wrap">...</div>
<div class="d-flex align-content-center flex-wrap">...</div>
<div class="d-flex align-content-between flex-wrap">...</div>
<div class="d-flex align-content-around flex-wrap">...</div>
<div class="d-flex align-content-stretch flex-wrap">...</div>
Ọdịiche na-anabatakwa dịkwa maka align-content.
.align-content-start.align-content-end.align-content-center.align-content-between.align-content-around.align-content-stretch.align-content-sm-start.align-content-sm-end.align-content-sm-center.align-content-sm-between.align-content-sm-around.align-content-sm-stretch.align-content-md-start.align-content-md-end.align-content-md-center.align-content-md-between.align-content-md-around.align-content-md-stretch.align-content-lg-start.align-content-lg-end.align-content-lg-center.align-content-lg-between.align-content-lg-around.align-content-lg-stretch.align-content-xl-start.align-content-xl-end.align-content-xl-center.align-content-xl-between.align-content-xl-around.align-content-xl-stretch.align-content-xxl-start.align-content-xxl-end.align-content-xxl-center.align-content-xxl-between.align-content-xxl-around.align-content-xxl-stretch
Ihe mgbasa ozi
Na-achọ ịmegharị akụkụ ihe mgbasa ozi sitere na Bootstrap 4? Megharịa ya n'oge na-adịghị na ole na ole flex utilities na-enye ohere ọbụna karịa mgbanwe na nhazi karịa ka ọ dị na mbụ.
<div class="d-flex">
<div class="flex-shrink-0">
<img src="..." alt="...">
</div>
<div class="flex-grow-1 ms-3">
This is some content from a media component. You can replace this with any content and adjust it as needed.
</div>
</div>Ma kwuo na ịchọrọ itinye ọdịnaya dị n'akụkụ onyonyo a kwụ ọtọ:
<div class="d-flex align-items-center">
<div class="flex-shrink-0">
<img src="..." alt="...">
</div>
<div class="flex-grow-1 ms-3">
This is some content from a media component. You can replace this with any content and adjust it as needed.
</div>
</div>Sass
Utilities API
Ekwuwapụtara ngwa Flexbox n'ime ngwa API anyị na scss/_utilities.scss. Mụta otu esi eji ngwa API.
"flex": (
responsive: true,
property: flex,
values: (fill: 1 1 auto)
),
"flex-direction": (
responsive: true,
property: flex-direction,
class: flex,
values: row column row-reverse column-reverse
),
"flex-grow": (
responsive: true,
property: flex-grow,
class: flex,
values: (
grow-0: 0,
grow-1: 1,
)
),
"flex-shrink": (
responsive: true,
property: flex-shrink,
class: flex,
values: (
shrink-0: 0,
shrink-1: 1,
)
),
"flex-wrap": (
responsive: true,
property: flex-wrap,
class: flex,
values: wrap nowrap wrap-reverse
),
"justify-content": (
responsive: true,
property: justify-content,
values: (
start: flex-start,
end: flex-end,
center: center,
between: space-between,
around: space-around,
evenly: space-evenly,
)
),
"align-items": (
responsive: true,
property: align-items,
values: (
start: flex-start,
end: flex-end,
center: center,
baseline: baseline,
stretch: stretch,
)
),
"align-content": (
responsive: true,
property: align-content,
values: (
start: flex-start,
end: flex-end,
center: center,
between: space-between,
around: space-around,
stretch: stretch,
)
),
"align-self": (
responsive: true,
property: align-self,
values: (
auto: auto,
start: flex-start,
end: flex-end,
center: center,
baseline: baseline,
stretch: stretch,
)
),
"order": (
responsive: true,
property: order,
values: (
first: -1,
0: 0,
1: 1,
2: 2,
3: 3,
4: 4,
5: 5,
last: 6,
),
),