Bootstrap4 自定义表单

Bootstrap4 可以自定义一些表单的样式来替换浏览器默认的样式。

自定义复选框

如果要自定义一个复选框，可以设置 <div> 为父元素，类为 .custom-control 和 .custom-checkbox，复选框作为子元素放在该 <div> 里头，然后复选框设置为 type="checkbox"，类为 .custom-control-input。

复选框的文本使用 label 标签，标签使用 .custom-control-label 类，label 的 for 属性值需要匹配复选框的 id。

Bootstrap4 实例

<
form
>

<
div

class
=
"
custom-control custom-checkbox
"
>

<
input

type
=
"
checkbox
"

class
=
"
custom-control-input
"

id
=
"
customCheck
"

name
=
"
example1
"
>

<
label

class
=
"
custom-control-label
"

for
=
"
customCheck
"
>
自定义复选框
</
label
>

</
div
>

</
form
>

尝试一下 »

自定义单选框

如果要自定义一个单选框，可以设置 <div> 为父元素，类为 .custom-control 和 .custom-radio，单选框作为子元素放在该 <div> 里头，然后单选框设置为 type="radio"，类为 .custom-control-input。

单选框的文本使用 label 标签，标签使用 .custom-control-label 类，label 的 for 属性值需要匹配单选框的 id。

Bootstrap4 实例

<
form
>

<
div

class
=
"
custom-control custom-radio
"
>

<
input

type
=
"
radio
"

class
=
"
custom-control-input
"

id
=
"
customRadio
"

name
=
"
example1
"

value
=
"
customEx
"
>

<
label

class
=
"
custom-control-label
"

for
=
"
customRadio
"
>
自定义单选框
</
label
>

</
div
>

</
form
>

尝试一下 »

自定义控件显示在同一行

我们可以在外部元素上使用 .custom-control-inline 类来包裹自定义表单控件，这样自定义表单控件就能显示在同一行：

Bootstrap4 实例

<
form
>

<
div

class
=
"
custom-control custom-radio custom-control-inline
"
>

<
input

type
=
"
radio
"

class
=
"
custom-control-input
"

id
=
"
customRadio
"

name
=
"
example
"

value
=
"
customEx
"
>

<
label

class
=
"
custom-control-label
"

for
=
"
customRadio
"
>
自定义单选框 1
</
label
>

</
div
>

<
div

class
=
"
custom-control custom-radio custom-control-inline
"
>

<
input

type
=
"
radio
"

class
=
"
custom-control-input
"

id
=
"
customRadio2
"

name
=
"
example
"

value
=
"
customEx
"
>

<
label

class
=
"
custom-control-label
"

for
=
"
customRadio2
"
>
自定义单选框 2
</
label
>

</
div
>

</
form
>

尝试一下 »

自定义选择菜单

创建自定义选择菜单可以在 <select> 元素上添加 .custom-select 类:

Bootstrap4 实例

<
form
>

<
select

name
=
"
cars
"

class
=
"
custom-select-sm
"
>

<
option

selected
>
自定义选择菜单
</
option
>

<
option

value
=
"
Google
"
>
Google
</
option
>

<
option

value
=
"
Runoob
"
>
Runoob
</
option
>

<
option

value
=
"
Taobao
"
>
Taobao
</
option
>

</
select
>

</
form
>

尝试一下 »

如果我们要设置自定义选择菜单大小，可以使用 .custom-select-sm、.custom-select-lg 来设置它们的大小:

Bootstrap4 实例

<
form
>

<!--
小
-->

<
select

name
=
"
cars
"

class
=
"
custom-select-sm
"
>

<
option

selected
>
比较小的自定义选择菜单
</
option
>

<
option

value
=
"
Google
"
>
Google
</
option
>

<
option

value
=
"
Runoob
"
>
Runoob
</
option
>

<
option

value
=
"
Taobao
"
>
Taobao
</
option
>

</
select
>

<!--
大
-->

<
select

name
=
"
cars
"

class
=
"
custom-select-lg
"
>

<
option

selected
>
比较大的自定义选择菜单
</
option
>

<
option

value
=
"
Google
"
>
Google
</
option
>

<
option

value
=
"
Runoob
"
>
Runoob
</
option
>

<
option

value
=
"
Taobao
"
>
Taobao
</
option
>

</
select
>

</
form
>

尝试一下 »

自定义滑块控件

我们可以在 input 为 type="range" 的输入框中添加 .custom-range 类来设置自定义滑块控件:

Bootstrap4 实例

<
form
>

<
label

for
=
"
customRange
"
>
自定义滑块控件
</
label
>

<
input

type
=
"
range
"

class
=
"
custom-range
"

id
=
"
customRange
"

name
=
"
points1
"
>

</
form
>

尝试一下 »

自定义文件上传控件

我们可以在父元素添加 .custom-file 类，然后在 input 设置为 type="file" 并添加 .custom-file-input:

上传控件的文本使用 label 标签，标签使用 .custom-file-label 类，label 的 for 属性值需要匹配上传控件 id。

Bootstrap4 实例

<
form
>

<
div

class
=
"
custom-file
"
>

<
input

type
=
"
file
"

class
=
"
custom-file-input
"

id
=
"
customFile
"
>

<
label

class
=
"
custom-file-label
"

for
=
"
customFile
"
>
选择文件
</
label
>

</
div
>

</
form
>

尝试一下 »