解决el-checkbox点击文字也会选中

最近要做一个 多选框嵌套下拉框的一个功能在点击下拉框时多选框一直会被选中或者取消这里做一下解决记录
首先展示一下要做的功能

出现原因
el 的checkbox的组件整个是由lable包裹的所以重写el-checkbox就可以了
原编码

解决
这里用div或者span都是可以的div会处理成 line-block

<template>
  <div
    :id="id"
    class="el-checkbox"
    :class="[
      border && checkboxSize ? 'el-checkbox--' + checkboxSize : '',
      { 'is-disabled': isDisabled },
      { 'is-bordered': border },
      { 'is-checked': isChecked }
    ]"
  >
    <label>
      <span
        class="el-checkbox__input"
        :class="{
          'is-disabled': isDisabled,
          'is-checked': isChecked,
          'is-indeterminate': indeterminate,
          'is-focus': focus
        }"
        :tabindex="indeterminate ? 0 : false"
        :role="indeterminate ? 'checkbox' : false"
        :aria-checked="indeterminate ? 'mixed' : false"
      >
        <span class="el-checkbox__inner" />
        <input
          v-if="trueLabel || falseLabel"
          v-model="model"
          class="el-checkbox__original"
          type="checkbox"
          :aria-hidden="indeterminate ? 'true' : 'false'"
          :name="name"
          :disabled="isDisabled"
          :true-value="trueLabel"
          :false-value="falseLabel"
          @change="handleChange"
          @focus="focus = true"
          @blur="focus = false"
        >
        <input
          v-else
          v-model="model"
          class="el-checkbox__original"
          type="checkbox"
          :aria-hidden="indeterminate ? 'true' : 'false'"
          :disabled="isDisabled"
          :value="label"
          :name="name"
          @change="handleChange"
          @focus="focus = true"
          @blur="focus = false"
        >
      </span>
    </label>
    <span v-if="$slots.default || label" class="el-checkbox__label">
      <slot />
      <template v-if="!$slots.default">{{ label }}</template>
    </span>
  </div>
</template>
<script>
import Emitter from 'element-ui/src/mixins/emitter'

export default {
  name: 'RCheckbox',

  mixins: [Emitter],

  inject: {
    elForm: {
      default: ''
    },
    elFormItem: {
      default: ''
    }
  },

  componentName: 'RCheckbox',

  props: {
    value: {},
    label: {},
    indeterminate: Boolean,
    disabled: Boolean,
    checked: Boolean,
    name: String,
    trueLabel: [String, Number],
    falseLabel: [String, Number],
    id: String, /* 当indeterminate为真时为controls提供相关连的checkbox的id表明元素间的控制关系*/
    controls: String, /* 当indeterminate为真时为controls提供相关连的checkbox的id表明元素间的控制关系*/
    border: Boolean,
    size: String
  },

  data() {
    return {
      selfModel: false,
      focus: false,
      isLimitExceeded: false
    }
  },

  computed: {
    model: {
      get() {
        return this.isGroup
          ? this.store : this.value !== undefined
            ? this.value : this.selfModel
      },

      set(val) {
        if (this.isGroup) {
          this.isLimitExceeded = false;
          (this._checkboxGroup.min !== undefined &&
            val.length < this._checkboxGroup.min &&
            (this.isLimitExceeded = true));

          (this._checkboxGroup.max !== undefined &&
            val.length > this._checkboxGroup.max &&
            (this.isLimitExceeded = true))

          this.isLimitExceeded === false &&
          this.dispatch('ElCheckboxGroup', 'input', [val])
        } else {
          this.$emit('input', val)
          this.selfModel = val
        }
      }
    },

    isChecked() {
      if ({}.toString.call(this.model) === '[object Boolean]') {
        return this.model
      } else if (Array.isArray(this.model)) {
        return this.model.indexOf(this.label) > -1
      } else if (this.model !== null && this.model !== undefined) {
        return this.model === this.trueLabel
      }
    },

    isGroup() {
      let parent = this.$parent
      while (parent) {
        if (parent.$options.componentName !== 'ElCheckboxGroup') {
          parent = parent.$parent
        } else {
          this._checkboxGroup = parent
          return true
        }
      }
      return false
    },

    store() {
      return this._checkboxGroup ? this._checkboxGroup.value : this.value
    },

    /* used to make the isDisabled judgment under max/min props */
    isLimitDisabled() {
      const { max, min } = this._checkboxGroup
      return !!(max || min) &&
        (this.model.length >= max && !this.isChecked) ||
        (this.model.length <= min && this.isChecked)
    },

    isDisabled() {
      return this.isGroup
        ? this._checkboxGroup.disabled || this.disabled || (this.elForm || {}).disabled || this.isLimitDisabled
        : this.disabled || (this.elForm || {}).disabled
    },

    _elFormItemSize() {
      return (this.elFormItem || {}).elFormItemSize
    },

    checkboxSize() {
      const temCheckboxSize = this.size || this._elFormItemSize || (this.$ELEMENT || {}).size
      return this.isGroup
        ? this._checkboxGroup.checkboxGroupSize || temCheckboxSize
        : temCheckboxSize
    }
  },

  watch: {
    value(value) {
      this.dispatch('ElFormItem', 'el.form.change', value)
    }
  },

  created() {
    this.checked && this.addToStore()
  },
  mounted() { // 为indeterminate元素 添加aria-controls 属性
    if (this.indeterminate) {
      this.$el.setAttribute('aria-controls', this.controls)
    }
  },

  methods: {
    addToStore() {
      if (
        Array.isArray(this.model) &&
        this.model.indexOf(this.label) === -1
      ) {
        this.model.push(this.label)
      } else {
        this.model = this.trueLabel || true
      }
    },
    handleChange(ev) {
      if (this.isLimitExceeded) return
      let value
      if (ev.target.checked) {
        value = this.trueLabel === undefined ? true : this.trueLabel
      } else {
        value = this.falseLabel === undefined ? false : this.falseLabel
      }
      this.$emit('change', value, ev)
      this.$nextTick(() => {
        if (this.isGroup) {
          this.dispatch('ElCheckboxGroup', 'change', [this._checkboxGroup.value])
        }
      })
    }
  }
}
</script>

引入

import RCheckbox from '@/rewrite/r-checkbox.vue'