Source

Flex

Dhibiti kwa haraka mpangilio, upangaji na ukubwa wa safu wima za gridi, usogezaji, vipengee na mengine mengi ukitumia mkusanyiko kamili wa huduma za flexbox zinazojibika. Kwa utekelezaji changamano zaidi, CSS maalum inaweza kuhitajika.

Washa tabia za kubadilika

Tumia displayhuduma ili kuunda kontena la flexbox na kubadilisha vipengele vya watoto moja kwa moja kuwa vipengee vya kunyumbulika . Vyombo vya Flex na vitu vinaweza kubadilishwa zaidi na sifa za ziada za kubadilika.

Mimi ni chombo cha flexbox!
<div class="d-flex p-2 bd-highlight">I'm a flexbox container!</div>
Mimi ni chombo cha ndani cha kisanduku cha kubadilika!
<div class="d-inline-flex p-2 bd-highlight">I'm an inline flexbox container!</div>

Tofauti za mwitikio pia zipo kwa .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

Mwelekeo

Weka uelekeo wa vipengee vya kunyumbulika katika chombo cha kunyumbulika chenye huduma za mwelekeo. Katika hali nyingi unaweza kuacha darasa la mlalo hapa kwani chaguo-msingi la kivinjari ni row. Hata hivyo, unaweza kukutana na hali ambapo ulihitaji kuweka thamani hii kwa uwazi (kama vile mipangilio inayoitikia).

Tumia .flex-rowkuweka mwelekeo mlalo (chaguo-msingi ya kivinjari), au .flex-row-reversekuanza mwelekeo mlalo kutoka upande wa pili.

Kipengee cha Flex 1
Kipengee cha Flex 2
Kipengee cha Flex 3
Kipengee cha Flex 1
Kipengee cha Flex 2
Kipengee cha Flex 3
<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>

Tumia .flex-columnkuweka mwelekeo wima, au .flex-column-reversekuanza mwelekeo wima kutoka upande wa pili.

Kipengee cha Flex 1
Kipengee cha Flex 2
Kipengee cha Flex 3
Kipengee cha Flex 1
Kipengee cha Flex 2
Kipengee cha Flex 3
<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>

Tofauti za mwitikio pia zipo kwa 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

Thibitisha maudhui

Tumia justify-contenthuduma kwenye vyombo vya flexbox ili kubadilisha mpangilio wa vipengee vinavyopinda kwenye mhimili mkuu (mhimili wa x kuanza, mhimili y ikiwa flex-direction: column). Chagua kutoka start(chaguo-msingi ya kivinjari), end, center, between, au around.

Kipengee cha Flex
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<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>

Tofauti za mwitikio pia zipo kwa 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

Pangilia vitu

Tumia align-itemshuduma kwenye vyombo vya flexbox ili kubadilisha upangaji wa vitu vinavyonyumbulika kwenye mhimili mtambuka (mhimili y kuanza, x-mhimili ikiwa flex-direction: column). Chagua kutoka start, end, center, baseline, au stretch(chaguo-msingi ya kivinjari).

Kipengee cha Flex
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<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>

Tofauti za mwitikio pia zipo kwa 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

Jitengeneze

Tumia align-selfhuduma kwenye vipengee vya flexbox ili kubadilisha mpangilio wao mmoja mmoja kwenye mhimili wa msalaba (mhimili y kuanza, x-mhimili ikiwa flex-direction: column). Chagua kutoka kwa chaguo sawa na align-items: start, end, center, baseline, au stretch(chaguo-msingi ya kivinjari).

Kipengee cha Flex
Kipengee cha kukunja kilichopangwa
Kipengee cha Flex
Kipengee cha Flex
Kipengee cha kukunja kilichopangwa
Kipengee cha Flex
Kipengee cha Flex
Kipengee cha kukunja kilichopangwa
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Kipengee cha Flex
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Kipengee cha Flex
Kipengee cha kukunja kilichopangwa
Kipengee cha Flex
<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>

Tofauti za mwitikio pia zipo kwa 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

Jaza

Tumia .flex-filldarasa kwenye mfululizo wa vipengele vya ndugu ili kuvilazimisha kwa upana sawa huku ukichukua nafasi zote za mlalo zinazopatikana. Ni muhimu sana kwa upana sawa, au urambazaji uliohalalishwa.

Kipengee cha Flex
Kipengee cha Flex
Kipengee cha Flex
<div class="d-flex bd-highlight">
  <div class="p-2 flex-fill bd-highlight">Flex item</div>
  <div class="p-2 flex-fill bd-highlight">Flex item</div>
  <div class="p-2 flex-fill bd-highlight">Flex item</div>
</div>

Tofauti za mwitikio pia zipo kwa flex-fill.

  • .flex-fill
  • .flex-sm-fill
  • .flex-md-fill
  • .flex-lg-fill
  • .flex-xl-fill

Kukua na kupungua

Tumia .flex-grow-*huduma kugeuza uwezo wa bidhaa kukua ili kujaza nafasi inayopatikana. Katika mfano hapa chini, .flex-grow-1vipengele hutumia nafasi yote inayopatikana inaweza, huku kuruhusu vitu viwili vilivyobaki vya flex nafasi yao muhimu.

Kipengee cha Flex
Kipengee cha Flex
Kipengee cha tatu cha flex
<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>

Tumia .flex-shrink-*huduma kugeuza uwezo wa kipengee flexifu kupungua ikihitajika. Katika mfano ulio hapa chini, kipengee cha pili cha kunyumbua na .flex-shrink-1kinalazimika kukunja yaliyomo kwenye mstari mpya, "kupungua" ili kuruhusu nafasi zaidi kwa kipengee cha awali cha .w-100.

Kipengee cha Flex
Kipengee cha Flex
<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>

Tofauti za mwitikio pia zipo kwa 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

Pambizo otomatiki

Flexbox inaweza kufanya mambo ya kupendeza unapochanganya mipangilio inayonyumbulika na pambizo otomatiki. Inayoonyeshwa hapa chini ni mifano mitatu ya kudhibiti vipengee vinavyobadilika-badilika kupitia pambizo otomatiki: chaguo-msingi (hakuna ukingo otomatiki), kusukuma vipengee viwili kulia ( .mr-auto), na kusukuma vipengee viwili kushoto ( .ml-auto).

Kwa bahati mbaya, IE10 na IE11 hazitumii pambizo otomatiki ipasavyo kwenye vipengee vinavyobadilika ambavyo mzazi wake ana thamani isiyo chaguomsingi justify-content. Tazama jibu hili la StackOverflow kwa maelezo zaidi.

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<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>

Pamoja na vitu vya kupanga

Sogeza kipengee kimoja kwa wima hadi juu au chini ya chombo kwa kuchanganya align-items, flex-direction: columnna margin-top: autoau margin-bottom: auto.

Kipengee cha Flex
Kipengee cha Flex
Kipengee cha Flex
Kipengee cha Flex
Kipengee cha Flex
Kipengee cha Flex
<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>

Funga

Badilisha jinsi vipengee vinavyopindana hufungana kwenye chombo cha kukunja. Chagua kutoka kwa kutofungamana hata kidogo (chaguo-msingi ya kivinjari) na .flex-nowrap, kufunga na .flex-wrap, au kufungia nyuma kwa .flex-wrap-reverse.

Kipengee cha Flex
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<div class="d-flex flex-nowrap">
  ...
</div>
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<div class="d-flex flex-wrap">
  ...
</div>
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Kipengee cha Flex
<div class="d-flex flex-wrap-reverse">
  ...
</div>

Tofauti za mwitikio pia zipo kwa 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

Agizo

Badilisha mpangilio wa kuona wa vipengee maalum vya kunyumbulika kwa kutumia orderhuduma chache. Tunatoa tu chaguo za kutengeneza kipengee kwanza au mwisho, pamoja na kuweka upya ili kutumia agizo la DOM. Kama orderinavyochukua thamani yoyote kamili (kwa mfano, 5), ongeza CSS maalum kwa thamani zozote za ziada zinazohitajika.

Kipengee cha kwanza cha flex
Kipengee cha pili cha flex
Kipengee cha tatu cha flex
<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>

Tofauti za mwitikio pia zipo kwa 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

Pangilia maudhui

Tumia align-contenthuduma kwenye vyombo vya flexbox ili kupanga vitu pamoja kwenye mhimili mtambuka. Chagua kutoka start(chaguo-msingi ya kivinjari), end, center, between, around, au stretch. Ili kuonyesha huduma hizi, tumetekeleza flex-wrap: wrapna kuongeza idadi ya vipengee vinavyobadilikabadilika.

Vichwa juu! Sifa hii haina athari kwa safu mlalo moja ya vitu vinavyobadilikabadilika.

Kipengee cha Flex
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<div class="d-flex align-content-start flex-wrap">
  ...
</div>
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<div class="d-flex align-content-end flex-wrap">...</div>
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<div class="d-flex align-content-center flex-wrap">...</div>
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<div class="d-flex align-content-between flex-wrap">...</div>
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<div class="d-flex align-content-around flex-wrap">...</div>
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<div class="d-flex align-content-stretch flex-wrap">...</div>

Tofauti za mwitikio pia zipo kwa align-content.

  • .align-content-start
  • .align-content-end
  • .align-content-center
  • .align-content-around
  • .align-content-stretch
  • .align-content-sm-start
  • .align-content-sm-end
  • .align-content-sm-center
  • .align-content-sm-around
  • .align-content-sm-stretch
  • .align-content-md-start
  • .align-content-md-end
  • .align-content-md-center
  • .align-content-md-around
  • .align-content-md-stretch
  • .align-content-lg-start
  • .align-content-lg-end
  • .align-content-lg-center
  • .align-content-lg-around
  • .align-content-lg-stretch
  • .align-content-xl-start
  • .align-content-xl-end
  • .align-content-xl-center
  • .align-content-xl-around
  • .align-content-xl-stretch