表单控件（Form controls）

所有通用表单控件，都是基于一致性设计

Bulma 支持下列原生 HTML 表单元素： <form> <button> <input> <textarea> 和 <label>.

下列 CSS 类也是支持的：

  • label
  • input
  • textarea
  • select
  • checkbox
  • radio
  • button
  • help

要保持平衡均衡的设计，Bulma 提供了非常有用的 control 容器，使用它您可以包裹表单控件。
组合一些控件在一个表单里的时候，使用 field 类做为一个容器，来保持间距一致。

完整表单示例 #

示例

This username is available

This email is invalid

HTML 

<div class="field">
  <label class="label">Name</label>
  <div class="control">
    <input class="input" type="text" placeholder="Text input">
  </div>
</div>

<div class="field">
  <label class="label">Username</label>
  <div class="control has-icons-left has-icons-right">
    <input class="input is-success" type="text" placeholder="Text input" value="bulma">
    <span class="icon is-small is-left">
      <i class="fas fa-user"></i>
    </span>
    <span class="icon is-small is-right">
      <i class="fas fa-check"></i>
    </span>
  </div>
  <p class="help is-success">This username is available</p>
</div>

<div class="field">
  <label class="label">Email</label>
  <div class="control has-icons-left has-icons-right">
    <input class="input is-danger" type="email" placeholder="Email input" value="hello@">
    <span class="icon is-small is-left">
      <i class="fas fa-envelope"></i>
    </span>
    <span class="icon is-small is-right">
      <i class="fas fa-exclamation-triangle"></i>
    </span>
  </div>
  <p class="help is-danger">This email is invalid</p>
</div>

<div class="field">
  <label class="label">Subject</label>
  <div class="control">
    <div class="select">
      <select>
        <option>Select dropdown</option>
        <option>With options</option>
      </select>
    </div>
  </div>
</div>

<div class="field">
  <label class="label">Message</label>
  <div class="control">
    <textarea class="textarea" placeholder="Textarea"></textarea>
  </div>
</div>

<div class="field">
  <div class="control">
    <label class="checkbox">
      <input type="checkbox">
      I agree to the <a href="#">terms and conditions</a>
    </label>
  </div>
</div>

<div class="field">
  <div class="control">
    <label class="radio">
      <input type="radio" name="question">
      Yes
    </label>
    <label class="radio">
      <input type="radio" name="question">
      No
    </label>
  </div>
</div>

<div class="field is-grouped">
  <div class="control">
    <button class="button is-link">Submit</button>
  </div>
  <div class="control">
    <button class="button is-link is-light">Cancel</button>
  </div>
</div>

使用 Bulma 的最好结果，就是推荐尽可能多的使用 control 元素。

Form field #

field 容器是一个简单的容器：

  • 一个文本 label
  • 一个表单 control
  • 一个可选的 help文本

示例

This is a help text

HTML 

<div class="field">
  <label class="label">Label</label>
  <div class="control">
    <input class="input" type="text" placeholder="Text input">
  </div>
  <p class="help">This is a help text</p>
</div>

这个容器使表单字段间距一致。

示例

HTML 

<div class="field">
  <label class="label">Name</label>
  <div class="control">
    <input class="input" type="text" placeholder="e.g Alex Smith">
  </div>
</div>

<div class="field">
  <label class="label">Email</label>
  <div class="control">
    <input class="input" type="email" placeholder="e.g. alexsmith@gmail.com">
  </div>
</div>

Form control #

Bulma 的 control 是一个多功能 block 容器，也就是说增强了单个表单控件。因为它跟它包裹的元素有相同的高度，它可以只包含下列 Bulma 元素：

  • input
  • select
  • button
  • icon

这个容器具备如下能力：

  • 保持一致间距
  • 组合表单控件为一个组
  • 组合表单控件为一个列表
  • 为一个表单控件附加或者前加图标

示例

HTML 

<div class="control">
  <input class="input" type="text" placeholder="Text input">
</div>

示例

HTML 

<div class="control">
  <div class="select">
    <select>
      <option>Select dropdown</option>
      <option>With options</option>
    </select>
  </div>
</div>

示例

HTML 

<div class="control">
  <button class="button is-primary">Submit</button>
</div>

带图标 #

您可以添加两个修饰符之一到控件：

  • has-icons-left
  • 和/或 has-icons-right

您还需要添加一个修饰符到图标：

  • 如果用的 has-icons-left 就是 icon is-left
  • 如果用的 has-icons-right 就是 icon is-right

input 的型号会定义图标容器的型号。

示例

HTML 

<div class="field">
  <p class="control has-icons-left has-icons-right">
    <input class="input" type="email" placeholder="Email">
    <span class="icon is-small is-left">
      <i class="fas fa-envelope"></i>
    </span>
    <span class="icon is-small is-right">
      <i class="fas fa-check"></i>
    </span>
  </p>
</div>
<div class="field">
  <p class="control has-icons-left">
    <input class="input" type="password" placeholder="Password">
    <span class="icon is-small is-left">
      <i class="fas fa-lock"></i>
    </span>
  </p>
</div>
<div class="field">
  <p class="control">
    <button class="button is-success">
      Login
    </button>
  </p>
</div>

您也可以附加图标到下拉选择框上。

示例

HTML 

<div class="field">
  <p class="control has-icons-left">
    <span class="select">
      <select>
        <option selected>Country</option>
        <option>Select dropdown</option>
        <option>With options</option>
      </select>
    </span>
    <span class="icon is-small is-left">
      <i class="fas fa-globe"></i>
    </span>
  </p>
</div>

如果控件包含图标，Bulma 不管输入框是大还是小或者图标是大还是小，都会确保图标保持居中。

示例

HTML 

<div class="field">
  <label class="label is-small">Small input</label>
  <div class="control has-icons-left has-icons-right">
    <input class="input is-small" type="email" placeholder="Normal">
    <span class="icon is-small is-left">
      <i class="fas fa-envelope"></i>
    </span>
    <span class="icon is-small is-right">
      <i class="fas fa-check"></i>
    </span>
  </div>
</div>

示例

HTML 

<div class="field">
  <label class="label">Normal input</label>
  <div class="control has-icons-left has-icons-right">
    <input class="input" type="email" placeholder="Extra small">
    <span class="icon is-small is-left">
      <i class="fas fa-envelope fa-xs"></i>
    </span>
    <span class="icon is-small is-right">
      <i class="fas fa-check fa-xs"></i>
    </span>
  </div>
</div>

<div class="field">
  <div class="control has-icons-left has-icons-right">
    <input class="input" type="email" placeholder="Normal">
    <span class="icon is-left">
      <i class="fas fa-envelope"></i>
    </span>
    <span class="icon is-right">
      <i class="fas fa-check"></i>
    </span>
  </div>
</div>

示例

HTML 

<div class="field">
  <label class="label is-medium">Medium input</label>
  <div class="control has-icons-left has-icons-right">
    <input class="input is-medium" type="email" placeholder="Extra small">
    <span class="icon is-small is-left">
      <i class="fas fa-envelope fa-xs"></i>
    </span>
    <span class="icon is-small is-right">
      <i class="fas fa-check fa-xs"></i>
    </span>
  </div>
</div>

<div class="field">
  <div class="control has-icons-left has-icons-right">
    <input class="input is-medium" type="email" placeholder="Small">
    <span class="icon is-left">
      <i class="fas fa-envelope fa-sm"></i>
    </span>
    <span class="icon is-right">
      <i class="fas fa-check fa-sm"></i>
    </span>
  </div>
</div>

<div class="field">
  <div class="control has-icons-left has-icons-right">
    <input class="input is-medium" type="email" placeholder="Normal">
    <span class="icon is-medium is-left">
      <i class="fas fa-envelope"></i>
    </span>
    <span class="icon is-medium is-right">
      <i class="fas fa-check"></i>
    </span>
  </div>
</div>

示例

HTML 

<div class="field">
  <label class="label is-large">Large input</label>
  <div class="control has-icons-left has-icons-right">
    <input class="input is-large" type="email" placeholder="Extra small">
    <span class="icon is-small is-left">
      <i class="fas fa-envelope fa-xs"></i>
    </span>
    <span class="icon is-small is-right">
      <i class="fas fa-check fa-xs"></i>
    </span>
  </div>
</div>

<div class="field">
  <div class="control has-icons-left has-icons-right">
    <input class="input is-large" type="email" placeholder="Small">
    <span class="icon is-left">
      <i class="fas fa-envelope fa-sm"></i>
    </span>
    <span class="icon is-right">
      <i class="fas fa-check fa-sm"></i>
    </span>
  </div>
</div>

<div class="field">
  <div class="control has-icons-left has-icons-right">
    <input class="input is-large" type="email" placeholder="Normal">
    <span class="icon is-large is-left">
      <i class="fas fa-envelope"></i>
    </span>
    <span class="icon is-large is-right">
      <i class="fas fa-check"></i>
    </span>
  </div>
</div>

<div class="field">
  <div class="control has-icons-left has-icons-right">
    <input class="input is-large" type="email" placeholder="Large">
    <span class="icon is-medium is-left">
      <i class="fas fa-envelope fa-lg"></i>
    </span>
    <span class="icon is-medium is-right">
      <i class="fas fa-check fa-lg"></i>
    </span>
  </div>
</div>

表单插件 #

如果您想要附加控件到一起，在 field 容器上使用 has-addons 修饰符：

示例

Search

HTML 

<div class="field has-addons">
  <div class="control">
    <input class="input" type="text" placeholder="Find a repository">
  </div>
  <div class="control">
    <a class="button is-info">
      Search
    </a>
  </div>
</div>

您只能附加输入框（input）、按钮（button）和下拉菜单（dropdown）。

附加一个静态按钮有是也很有用。

示例

@gmail.com

HTML 

<div class="field has-addons">
  <p class="control">
    <input class="input" type="text" placeholder="Your email">
  </p>
  <p class="control">
    <a class="button is-static">
      @gmail.com
    </a>
  </p>
</div>

您可以在想让其占满剩余空间的元素（本例中是 input）上使用 is-expanded 修饰符完成构想：

示例

Transfer

Transfer

HTML 

<div class="field has-addons">
  <p class="control">
    <span class="select">
      <select>
        <option>$</option>
        <option>£</option>
        <option>€</option>
      </select>
    </span>
  </p>
  <p class="control">
    <input class="input" type="text" placeholder="Amount of money">
  </p>
  <p class="control">
    <a class="button">
      Transfer
    </a>
  </p>
</div>

<div class="field has-addons">
  <p class="control">
    <span class="select">
      <select>
        <option>$</option>
        <option>£</option>
        <option>€</option>
      </select>
    </span>
  </p>
  <p class="control is-expanded">
    <input class="input" type="text" placeholder="Amount of money">
  </p>
  <p class="control">
    <a class="button">
      Transfer
    </a>
  </p>
</div>

如果您想让下拉选择框占满宽度，需要 control is-expanded 和 select is-fullwidth 配合使用。

示例

HTML 

<div class="field has-addons">
  <div class="control is-expanded">
    <div class="select is-fullwidth">
      <select name="country">
        <option value="Argentina">Argentina</option>
        <option value="Bolivia">Bolivia</option>
        <option value="Brazil">Brazil</option>
        <option value="Chile">Chile</option>
        <option value="Colombia">Colombia</option>
        <option value="Ecuador">Ecuador</option>
        <option value="Guyana">Guyana</option>
        <option value="Paraguay">Paraguay</option>
        <option value="Peru">Peru</option>
        <option value="Suriname">Suriname</option>
        <option value="Uruguay">Uruguay</option>
        <option value="Venezuela">Venezuela</option>
      </select>
    </div>
  </div>
  <div class="control">
    <button type="submit" class="button is-primary">Choose</button>
  </div>
</div>

使用 has-addons-centered 或者 has-addons-right 修饰符可以修改对齐方式。

示例

Transfer

HTML 

<div class="field has-addons has-addons-centered">
  <p class="control">
    <span class="select">
      <select>
        <option>$</option>
        <option>£</option>
        <option>€</option>
      </select>
    </span>
  </p>
  <p class="control">
    <input class="input" type="text" placeholder="Amount of money">
  </p>
  <p class="control">
    <a class="button is-primary">
      Transfer
    </a>
  </p>
</div>

示例

Transfer

HTML 

<div class="field has-addons has-addons-right">
  <p class="control">
    <span class="select">
      <select>
        <option>$</option>
        <option>£</option>
        <option>€</option>
      </select>
    </span>
  </p>
  <p class="control">
    <input class="input" type="text" placeholder="Amount of money">
  </p>
  <p class="control">
    <a class="button is-primary">
      Transfer
    </a>
  </p>
</div>

表单组 #

如果您想分组控件，在 field 容器上使用 is-grouped 修饰符。

示例

Submit

Cancel

HTML 

<div class="field is-grouped">
  <p class="control">
    <a class="button is-primary">
      Submit
    </a>
  </p>
  <p class="control">
    <a class="button is-light">
      Cancel
    </a>
  </p>
</div>
使用 is-grouped-centered 或者 is-grouped-right 修饰符来调整对齐方式。

示例

Submit

Cancel

HTML 

<div class="field is-grouped is-grouped-centered">
  <p class="control">
    <a class="button is-primary">
      Submit
    </a>
  </p>
  <p class="control">
    <a class="button is-light">
      Cancel
    </a>
  </p>
</div>

示例

Submit

Cancel

HTML 

<div class="field is-grouped is-grouped-right">
  <p class="control">
    <a class="button is-primary">
      Submit
    </a>
  </p>
  <p class="control">
    <a class="button is-light">
      Cancel
    </a>
  </p>
</div>

在控件元素上添加 is-expanded 修饰符会使其占满剩余空间。

示例

Search

HTML 

<div class="field is-grouped">
  <p class="control is-expanded">
    <input class="input" type="text" placeholder="Find a repository">
  </p>
  <p class="control">
    <a class="button is-info">
      Search
    </a>
  </p>
</div>

添加 is-grouped-multiline 修饰符将允许控件使用多行。这对于很长的控件列表很有用。

示例

One

Two

Three

Four

Five

Six

Seven

Eight

Nine

Ten

Eleven

Twelve

Thirteen

HTML 

<div class="field is-grouped is-grouped-multiline">
  <p class="control">
    <a class="button">
      One
    </a>
  </p>
  <p class="control">
    <a class="button">
      Two
    </a>
  </p>
  <p class="control">
    <a class="button">
      Three
    </a>
  </p>
  <p class="control">
    <a class="button">
      Four
    </a>
  </p>
  <p class="control">
    <a class="button">
      Five
    </a>
  </p>
  <p class="control">
    <a class="button">
      Six
    </a>
  </p>
  <p class="control">
    <a class="button">
      Seven
    </a>
  </p>
  <p class="control">
    <a class="button">
      Eight
    </a>
  </p>
  <p class="control">
    <a class="button">
      Nine
    </a>
  </p>
  <p class="control">
    <a class="button">
      Ten
    </a>
  </p>
  <p class="control">
    <a class="button">
      Eleven
    </a>
  </p>
  <p class="control">
    <a class="button">
      Twelve
    </a>
  </p>
  <p class="control">
    <a class="button">
      Thirteen
    </a>
  </p>
</div>

Button 列表

如果您需要一个 Button 列表，试试新的 buttons 类——您可以创建一个多行的 Button 列表。

水平表单 #

如果您想要一个水平的表单控件，在 field 容器上使用 is-horizontal 修饰符，可包含：

  • field-label 侧边标签
  • field-body 是 input/select/textarea 的容器

您可以对子元素使用 is-grouped 或 has-addons。

示例

+44

Do not enter the first zero

This field is required

HTML 

<div class="field is-horizontal">
  <div class="field-label is-normal">
    <label class="label">From</label>
  </div>
  <div class="field-body">
    <div class="field">
      <p class="control is-expanded has-icons-left">
        <input class="input" type="text" placeholder="Name">
        <span class="icon is-small is-left">
          <i class="fas fa-user"></i>
        </span>
      </p>
    </div>
    <div class="field">
      <p class="control is-expanded has-icons-left has-icons-right">
        <input class="input is-success" type="email" placeholder="Email" value="alex@smith.com">
        <span class="icon is-small is-left">
          <i class="fas fa-envelope"></i>
        </span>
        <span class="icon is-small is-right">
          <i class="fas fa-check"></i>
        </span>
      </p>
    </div>
  </div>
</div>

<div class="field is-horizontal">
  <div class="field-label"></div>
  <div class="field-body">
    <div class="field is-expanded">
      <div class="field has-addons">
        <p class="control">
          <a class="button is-static">
            +44
          </a>
        </p>
        <p class="control is-expanded">
          <input class="input" type="tel" placeholder="Your phone number">
        </p>
      </div>
      <p class="help">Do not enter the first zero</p>
    </div>
  </div>
</div>

<div class="field is-horizontal">
  <div class="field-label is-normal">
    <label class="label">Department</label>
  </div>
  <div class="field-body">
    <div class="field is-narrow">
      <div class="control">
        <div class="select is-fullwidth">
          <select>
            <option>Business development</option>
            <option>Marketing</option>
            <option>Sales</option>
          </select>
        </div>
      </div>
    </div>
  </div>
</div>

<div class="field is-horizontal">
  <div class="field-label">
    <label class="label">Already a member?</label>
  </div>
  <div class="field-body">
    <div class="field is-narrow">
      <div class="control">
        <label class="radio">
          <input type="radio" name="member">
          Yes
        </label>
        <label class="radio">
          <input type="radio" name="member">
          No
        </label>
      </div>
    </div>
  </div>
</div>

<div class="field is-horizontal">
  <div class="field-label is-normal">
    <label class="label">Subject</label>
  </div>
  <div class="field-body">
    <div class="field">
      <div class="control">
        <input class="input is-danger" type="text" placeholder="e.g. Partnership opportunity">
      </div>
      <p class="help is-danger">
        This field is required
      </p>
    </div>
  </div>
</div>

<div class="field is-horizontal">
  <div class="field-label is-normal">
    <label class="label">Question</label>
  </div>
  <div class="field-body">
    <div class="field">
      <div class="control">
        <textarea class="textarea" placeholder="Explain how we can help you"></textarea>
      </div>
    </div>
  </div>
</div>

<div class="field is-horizontal">
  <div class="field-label">
    <!-- Left empty for spacing -->
  </div>
  <div class="field-body">
    <div class="field">
      <div class="control">
        <button class="button is-primary">
          Send message
        </button>
      </div>
    </div>
  </div>
</div>

为了保证能垂直对齐标签和各种类型及型号的控件，field-label 有4 种型号修饰符：

  • is-small
  • is-normal 可用于任何 input 或 button
  • is-medium
  • is-large

示例

HTML 

<div class="field is-horizontal">
  <div class="field-label">
    <label class="label">No padding</label>
  </div>
  <div class="field-body">
    <div class="field">
      <div class="control">
        <label class="checkbox">
          <input type="checkbox">
          Checkbox
        </label>
      </div>
    </div>
  </div>
</div>

<div class="field is-horizontal">
  <div class="field-label is-small">
    <label class="label">Small padding</label>
  </div>
  <div class="field-body">
    <div class="field">
      <div class="control">
        <input class="input is-small" type="text" placeholder="Small sized input">
      </div>
    </div>
  </div>
</div>

<div class="field is-horizontal">
  <div class="field-label is-normal">
    <label class="label">Normal label</label>
  </div>
  <div class="field-body">
    <div class="field">
      <div class="control">
        <input class="input" type="text" placeholder="Normal sized input">
      </div>
    </div>
  </div>
</div>

<div class="field is-horizontal">
  <div class="field-label is-medium">
    <label class="label">Medium label</label>
  </div>
  <div class="field-body">
    <div class="field">
      <div class="control">
        <input class="input is-medium" type="text" placeholder="Medium sized input">
      </div>
    </div>
  </div>
</div>

<div class="field is-horizontal">
  <div class="field-label is-large">
    <label class="label">Large label</label>
  </div>
  <div class="field-body">
    <div class="field">
      <div class="control">
        <input class="input is-large" type="text" placeholder="Large sized input">
      </div>
    </div>
  </div>
</div>

禁用表单 #

您可以通过包裹一套控件在一个 fieldset 里再添加一个 disabled HTML 属性来禁用部分或者全部表单。

示例

HTML 

<fieldset disabled>
  
<div class="field">
  <label class="label">Name</label>
  <div class="control">
    <input class="input" type="text" placeholder="e.g Alex Smith">
  </div>
</div>

<div class="field">
  <label class="label">Email</label>
  <div class="control">
    <input class="input" type="email" placeholder="e.g. alexsmith@gmail.com">
  </div>
</div>

</fieldset>

控件 variables #

Name
Type
Value
Computed Value
Computed Type 
$control-radius
variable
$radius
4px
size
$control-radius-small
variable
$radius-small
2px
size
$control-padding-vertical
size
calc(0.5em - #{$control-border-width})
$control-padding-horizontal
size
calc(0.75em - #{$control-border-width})

表单 variables #

Name
Type
Value
Computed Value
Computed Type 
$label-color
variable
$grey-darker
hsl(0, 0%, 21%)
color
$label-weight
variable
$weight-bold
700
font-weight
$help-size
variable
$size-small
0.75rem
size

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