ant-design-vue/components/table/SelectionBox.jsx

import Checkbox from '../checkbox'
import Radio from '../radio'
import { SelectionBoxProps } from './interface'
import BaseMixin from '../_util/BaseMixin'
import { getOptionProps } from '../_util/props-util'

export default {
  mixins: [BaseMixin],
  name: 'SelectionBox',
  props: SelectionBoxProps,
  data () {
    return {
      checked: this.getCheckState(this.$props),
    }
  },

  mounted () {
    this.subscribe()
  },

  beforeDestroy () {
    if (this.unsubscribe) {
      this.unsubscribe()
    }
  },
  methods: {
    subscribe () {
      const { store } = this
      this.unsubscribe = store.subscribe(() => {
        const checked = this.getCheckState(this.$props)
        this.setState({ checked })
      })
    },

    getCheckState (props) {
      const { store, defaultSelection, rowIndex } = props
      let checked = false
      if (store.getState().selectionDirty) {
        checked = store.getState().selectedRowKeys.indexOf(rowIndex) >= 0
      } else {
        checked = (store.getState().selectedRowKeys.indexOf(rowIndex) >= 0 ||
                   defaultSelection.indexOf(rowIndex) >= 0)
      }
      return checked
    },
  },

  render () {
    const { type, rowIndex, ...rest } = getOptionProps(this)
    const { checked, $attrs, $listeners } = this
    const checkboxProps = {
      props: {
        checked,
        ...rest,
      },
      attrs: $attrs,
      on: $listeners,
    }
    if (type === 'radio') {
      checkboxProps.props.value = rowIndex
      return (
        <Radio
          {...checkboxProps}
        />
      )
    } else {
      return (
        <Checkbox
          {...checkboxProps}
        />
      )
    }
  },
}