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 display
akụrụngwa 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 bd-highlight">I'm a flexbox container!</div>
<div class="d-inline-flex p-2 bd-highlight">I'm an inline flexbox container!</div>
Ọdịiche na-anabatakwa dịkwa maka .d-flex
na .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
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 nke na-anabata).
Jiri .flex-row
ka ịtọọ ntụzịaka kwụ ọtọ (ndabara ihe nchọgharị ahụ), ma ọ bụ .flex-row-reverse
ka ịmalite ntụzịaka kwụ n'akụkụ nke ọzọ.
<div class="d-flex flex-row bd-highlight mb-3">
<div class="p-2 bd-highlight">Flex item 1</div>
<div class="p-2 bd-highlight">Flex item 2</div>
<div class="p-2 bd-highlight">Flex item 3</div>
</div>
<div class="d-flex flex-row-reverse bd-highlight">
<div class="p-2 bd-highlight">Flex item 1</div>
<div class="p-2 bd-highlight">Flex item 2</div>
<div class="p-2 bd-highlight">Flex item 3</div>
</div>
Jiri .flex-column
ka ịtọọ ntụzịaka kwụ ọtọ, ma ọ bụ .flex-column-reverse
ka ibido ntụzịaka kwụ ọtọ site n'akụkụ nke ọzọ.
<div class="d-flex flex-column bd-highlight mb-3">
<div class="p-2 bd-highlight">Flex item 1</div>
<div class="p-2 bd-highlight">Flex item 2</div>
<div class="p-2 bd-highlight">Flex item 3</div>
</div>
<div class="d-flex flex-column-reverse bd-highlight">
<div class="p-2 bd-highlight">Flex item 1</div>
<div class="p-2 bd-highlight">Flex item 2</div>
<div class="p-2 bd-highlight">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
Hazie ọdịnaya
Jiri justify-content
akụrụngwa na igbe flexbox iji gbanwee 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
, ma ọ bụ around
.
<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>
Ọdịiche na-anabatakwa dịkwa maka justify-content
.
.justify-content-start
.justify-content-end
.justify-content-center
.justify-content-between
.justify-content-around
.justify-content-sm-start
.justify-content-sm-end
.justify-content-sm-center
.justify-content-sm-between
.justify-content-sm-around
.justify-content-md-start
.justify-content-md-end
.justify-content-md-center
.justify-content-md-between
.justify-content-md-around
.justify-content-lg-start
.justify-content-lg-end
.justify-content-lg-center
.justify-content-lg-between
.justify-content-lg-around
.justify-content-xl-start
.justify-content-xl-end
.justify-content-xl-center
.justify-content-xl-between
.justify-content-xl-around
Hazie ihe
Jiri align-items
akụrụngwa 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
Hazie onwe
Jiri align-self
utilities 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
Jupụta
Jiri .flex-fill
klaasị 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 bd-highlight">
<div class="p-2 flex-fill bd-highlight">Flex item with a lot of content</div>
<div class="p-2 flex-fill bd-highlight">Flex item</div>
<div class="p-2 flex-fill bd-highlight">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
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-1
ndị 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 bd-highlight">
<div class="p-2 flex-grow-1 bd-highlight">Flex item</div>
<div class="p-2 bd-highlight">Flex item</div>
<div class="p-2 bd-highlight">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 bd-highlight">
<div class="p-2 w-100 bd-highlight">Flex item</div>
<div class="p-2 flex-shrink-1 bd-highlight">Flex item</div>
</div>
Ọdịiche na-anabatakwa dịkwa maka flex-grow
na 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
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 ( .mr-auto
), na ịkwanye ihe abụọ n'aka ekpe ( .ml-auto
).
Ọ dị nwute, IE10 na IE11 anaghị akwado oke akpaaka nke ọma na ihe flex nke nne na nna nwere justify-content
uru na-abụghị nke ndabara. Lee azịza StackOverflow a maka nkọwa ndị ọzọ.
<div class="d-flex bd-highlight mb-3">
<div class="p-2 bd-highlight">Flex item</div>
<div class="p-2 bd-highlight">Flex item</div>
<div class="p-2 bd-highlight">Flex item</div>
</div>
<div class="d-flex bd-highlight mb-3">
<div class="mr-auto p-2 bd-highlight">Flex item</div>
<div class="p-2 bd-highlight">Flex item</div>
<div class="p-2 bd-highlight">Flex item</div>
</div>
<div class="d-flex bd-highlight mb-3">
<div class="p-2 bd-highlight">Flex item</div>
<div class="p-2 bd-highlight">Flex item</div>
<div class="ml-auto p-2 bd-highlight">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: auto
ma ọ bụ margin-bottom: auto
.
<div class="d-flex align-items-start flex-column bd-highlight mb-3" style="height: 200px;">
<div class="mb-auto p-2 bd-highlight">Flex item</div>
<div class="p-2 bd-highlight">Flex item</div>
<div class="p-2 bd-highlight">Flex item</div>
</div>
<div class="d-flex align-items-end flex-column bd-highlight mb-3" style="height: 200px;">
<div class="p-2 bd-highlight">Flex item</div>
<div class="p-2 bd-highlight">Flex item</div>
<div class="mt-auto p-2 bd-highlight">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
Nye iwu
Gbanwee usoro a na -ahụ anya nke ihe ndị na-agbanwe agbanwe site na iji obere order
ngwa ọrụ. Naanị anyị na-enye nhọrọ maka ịme ihe mbụ ma ọ bụ nke ikpeazụ, yana ntọgharị iji iji usoro DOM. Dị ka order
ọ na-ewe uru integer ọ bụla (dịka, 5
), gbakwunye CSS omenala maka ụkpụrụ agbakwunyere ọ bụla achọrọ.
<div class="d-flex flex-nowrap bd-highlight">
<div class="order-3 p-2 bd-highlight">First flex item</div>
<div class="order-2 p-2 bd-highlight">Second flex item</div>
<div class="order-1 p-2 bd-highlight">Third flex item</div>
</div>
Ọdịiche na-anabatakwa dịkwa maka order
.
.order-0
.order-1
.order-2
.order-3
.order-4
.order-5
.order-6
.order-7
.order-8
.order-9
.order-10
.order-11
.order-12
.order-sm-0
.order-sm-1
.order-sm-2
.order-sm-3
.order-sm-4
.order-sm-5
.order-sm-6
.order-sm-7
.order-sm-8
.order-sm-9
.order-sm-10
.order-sm-11
.order-sm-12
.order-md-0
.order-md-1
.order-md-2
.order-md-3
.order-md-4
.order-md-5
.order-md-6
.order-md-7
.order-md-8
.order-md-9
.order-md-10
.order-md-11
.order-md-12
.order-lg-0
.order-lg-1
.order-lg-2
.order-lg-3
.order-lg-4
.order-lg-5
.order-lg-6
.order-lg-7
.order-lg-8
.order-lg-9
.order-lg-10
.order-lg-11
.order-lg-12
.order-xl-0
.order-xl-1
.order-xl-2
.order-xl-3
.order-xl-4
.order-xl-5
.order-xl-6
.order-xl-7
.order-xl-8
.order-xl-9
.order-xl-10
.order-xl-11
.order-xl-12
Hazie ọdịnaya
Jiri align-content
akụrụngwa 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: wrap
ma 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