vant/packages/checkbox/en-US.md

Checkbox

Install

import { Checkbox, CheckboxGroup } from 'vant';

Vue.use(Checkbox).use(CheckboxGroup);

Usage

Basic Usage

<van-checkbox v-model="checked">Checkbox</van-checkbox>

export default {
  data() {
    return {
      checked: true
    };
  }
};

Disabled

<van-checkbox v-model="checked" disabled>Checkbox</van-checkbox>

Custom Icon

Use icon slot to custom icon

<van-checkbox v-model="checked">
  Custom Icon
  <img
    slot="icon"
    slot-scope="props"
    :src="props.checked ? icon.active : icon.normal"
  >
</van-checkbox>

export default {
  data() {
    checked: true,
    icon: {
      normal: '//img.yzcdn.cn/icon-normal.png',
      active: '//img.yzcdn.cn/icon-active.png'
    }
  }
}

Checkbox Group

When Checkboxes are inside a CheckboxGroup, the checked checkboxes's name is an array and bound with CheckboxGroup by v-model.

<van-checkbox-group v-model="result">
  <van-checkbox
    v-for="(item, index) in list"
    :key="item"
    :name="item"
  >
    Checkbox {{ item }}
  </van-checkbox>
</van-checkbox-group>

export default {
  data() {
    return {
      list: ['a', 'b', 'c'],
      result: ['a', 'b']
    };
  }
};

Maximum amount of checked options

<van-checkbox-group v-model="result" :max="2">
  <van-checkbox
    v-for="(item, index) in list"
    :name="item"
    :key="item"
  >
    Checkbox {{ item }}
  </van-checkbox>
</van-checkbox-group>

Inside a Cell

<van-checkbox-group v-model="result">
  <van-cell-group>
    <van-cell
      v-for="item in list"
      clickable
      :key="item"
      :title="`Checkbox ${item}`"
      @click="toggle(index)"
    >
      <van-checkbox :name="item" ref="checkboxes" />
    </van-cell>
  </van-cell-group>
</van-checkbox-group>

export default {
  methods: {
    toggle(index) {
      this.$refs.checkboxes[index].toggle();
    }
  }
}

Checkbox API

Attribute	Description	Type	Default
name	Checkbox name	any	-
v-model	Check status	Boolean	false
disabled	Diable checkbox	Boolean	false
label-disabled	Whether to disable label click	Boolean	false
label-position	Can be set to left	String	right
shape	Can be set to round square	String	round

CheckboxGroup API

Attribute	Description	Type	Default
v-model	Names of all checked checkboxes	Array	-
disabled	Disable all checkboxes	Boolean	false
max	Maximum amount of checked options	Number	0(Unlimited)

Checkbox Event

Event	Description	Parameters
change	Triggered when value changed	current value

CheckboxGroup Event

Event	Description	Parameters
change	Triggered when value changed	current value

Checkbox Slot

Name	Description	slot-scope
-	Custom label	-
icon	Custom icon	checked: whether to be checked

Checkbox Methods

Use ref to get checkbox instance and call instance methods

Name	Attribute	Return value	Description
toggle	-	-	Toggle check status