Bootstrap4 輸入框組

我們可以使用 .input-group 類來向表單輸入框中添加更多的樣式，如圖標(biāo)、文本或者按鈕。

使用 .input-group-prepend 類可以在輸入框的的前面添加文本信息， .input-group-append 類添加在輸入框的后面。

最后，我們還需要使用 .input-group-text 類來設(shè)置文本的樣式。

Bootstrap4 實(shí)例

<
form
>

<
div

class
=
"
input-group mb-3
"
>

<
div

class
=
"
input-group-prepend
"
>

<
span

class
=
"
input-group-text
"
>
@
span
>

div
>

<
input

type
=
"
text
"

class
=
"
form-control
"

placeholder
=
"
Username
"
>

div
>

<
div

class
=
"
input-group mb-3
"
>

<
input

type
=
"
text
"

class
=
"
form-control
"

placeholder
=
"
Your Email
"
>

<
div

class
=
"
input-group-append
"
>

<
span

class
=
"
input-group-text
"
>
@XWCX.NET
span
>

div
>

div
>

form
>

嘗試一下 ?

輸入框大小

使用 .input-group-sm 類來設(shè)置小的輸入框， .input-group-lg 類設(shè)置大的輸入框：

Bootstrap4 實(shí)例

<
form
>

<
div

class
=
"
input-group mb-3 input-group-sm
"
>

<
div

class
=
"
input-group-prepend
"
>

<
span

class
=
"
input-group-text
"
>
Small
span
>

div
>

<
input

type
=
"
text
"

class
=
"
form-control
"
>

div
>

form
>

<
form
>

<
div

class
=
"
input-group mb-3
"
>

<
div

class
=
"
input-group-prepend
"
>

<
span

class
=
"
input-group-text
"
>
Default
span
>

div
>

<
input

type
=
"
text
"

class
=
"
form-control
"
>

div
>

form
>

<
form
>

<
div

class
=
"
input-group mb-3 input-group-lg
"
>

<
div

class
=
"
input-group-prepend
"
>

<
span

class
=
"
input-group-text
"
>
Large
span
>

div
>

<
input

type
=
"
text
"

class
=
"
form-control
"
>

div
>

form
>

嘗試一下 ?

多個輸入框和文本

Bootstrap4 實(shí)例

<
form
>

<
div

class
=
"
input-group mb-3
"
>

<
div

class
=
"
input-group-prepend
"
>

<
span

class
=
"
input-group-text
"
>
Person
span
>

div
>

<
input

type
=
"
text
"

class
=
"
form-control
"

placeholder
=
"
First Name
"
>

<
input

type
=
"
text
"

class
=
"
form-control
"

placeholder
=
"
Last Name
"
>

div
>

form
>



<
form
>

<
div

class
=
"
input-group mb-3
"
>

<
div

class
=
"
input-group-prepend
"
>

<
span

class
=
"
input-group-text
"
>
One
span
>

<
span

class
=
"
input-group-text
"
>
Two
span
>

<
span

class
=
"
input-group-text
"
>
Three
span
>

div
>

<
input

type
=
"
text
"

class
=
"
form-control
"
>

div
>

form
>

嘗試一下 ?

復(fù)選框與單選框

文本信息可以使用復(fù)選框與單選框替代：

Bootstrap4 實(shí)例

<
div

class
=
"
input-group mb-3
"
>

<
div

class
=
"
input-group-prepend
"
>

<
div

class
=
"
input-group-text
"
>

<
input

type
=
"
checkbox
"
>

div
>

div
>

<
input

type
=
"
text
"

class
=
"
form-control
"

placeholder
=
"
RUNOOB
"
>

div
>

<
div

class
=
"
input-group mb-3
"
>

<
div

class
=
"
input-group-prepend
"
>

<
div

class
=
"
input-group-text
"
>

<
input

type
=
"
radio
"
>

div
>

div
>

<
input

type
=
"
text
"

class
=
"
form-control
"

placeholder
=
"
GOOGLE
"
>

div
>

嘗試一下 ?

輸入框添加按鈕組

Bootstrap4 實(shí)例

<
div

class
=
"
input-group mb-3
"
>

<
div

class
=
"
input-group-prepend
"
>

<
button

class
=
"
btn btn-outline-secondary
"

type
=
"
button
"
>
Basic Button
button
>

div
>

<
input

type
=
"
text
"

class
=
"
form-control
"

placeholder
=
"
Some text
"
>

div
>

<
div

class
=
"
input-group mb-3
"
>

<
input

type
=
"
text
"

class
=
"
form-control
"

placeholder
=
"
Search
"
>

<
div

class
=
"
input-group-append
"
>

<
button

class
=
"
btn btn-success
"

type
=
"
submit
"
>
Go
button
>

div
>

div
>

<
div

class
=
"
input-group mb-3
"
>

<
input

type
=
"
text
"

class
=
"
form-control
"

placeholder
=
"
Something clever..
"
>

<
div

class
=
"
input-group-append
"
>

<
button

class
=
"
btn btn-primary
"

type
=
"
button
"
>
OK
button
>

<
button

class
=
"
btn btn-danger
"

type
=
"
button
"
>
Cancel
button
>

div
>

div
>

嘗試一下 ?

設(shè)置下拉菜單

輸入框中添加下拉菜單不需要使用 .dropdown 類。

Bootstrap4 實(shí)例

<
div

class
=
"
input-group mt-3 mb-3
"
>

<
div

class
=
"
input-group-prepend
"
>

<
button

type
=
"
button
"

class
=
"
btn btn-outline-secondary dropdown-toggle
"

data-toggle
=
"
dropdown
"
>
選擇網(wǎng)站
button
>

<
div

class
=
"
dropdown-menu
"
>

<
a

class
=
"
dropdown-item
"

href
=
"
https://www.google.com
"
>
GOOGLE
a
>

<
a

class
=
"
dropdown-item
"

href
=
"
https://www.XWCX.NET
"
>
RUNOOB
a
>

<
a

class
=
"
dropdown-item
"

href
=
"
https://www.taobao.com
"
>
TAOBAO
a
>

div
>

div
>

<
input

type
=
"
text
"

class
=
"
form-control
"

placeholder
=
"
網(wǎng)站地址
"
>

div
>

嘗試一下 ?

輸入框組標(biāo)簽

在輸入框組通過在輸入框組外圍的 label 來設(shè)置標(biāo)簽，標(biāo)簽的 for 屬性需要與輸入框組的 id 對應(yīng)，點(diǎn)擊標(biāo)簽后可以聚焦輸入框：

Bootstrap4 實(shí)例

<
label

for
=
"
demo
"
>
Write your email here:
label
>

<
div

class
=
"
input-group mb-3
"
>

<
input

type
=
"
text
"

class
=
"
form-control
"

placeholder
=
"
Email
"

id
=
"
demo
"

name
=
"
email
"
>

<
div

class
=
"
input-group-append
"
>

<
span

class
=
"
input-group-text
"
>
@XWCX.NET
span
>

div
>

div
>

嘗試一下 ?

網(wǎng)站題目：創(chuàng)新互聯(lián)Bootstrap4教程：Bootstrap4輸入框組
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