vue页面点击别处光标不消失

<template>
  <div>
    <input v-model="inputValue" v-on:blur="inputBlur">
  </div>
</template>

<script>
export default {
  data() {
    return {
      inputValue: ""
    };
  },
  methods: {
    inputBlur() {
      this.$refs.input.blur();
    }
  }
};
</script>

<template>
  <div>
    <input v-model="inputValue" v-blur>
  </div>
</template>

<script>
export default {
  data() {
    return {
      inputValue: ""
    };
  },
  directives: {
    blur: {
      bind: function(el, binding, vnode) {
        function documentHandler(e) {
          if (el.contains(e.target)) {
            return false;
          }
          el.blur();
        }
        el.__vueBlur__ = documentHandler;
        document.addEventListener("click", documentHandler);
      },
      unbind: function(el, binding) {
        document.removeEventListener("click", el.__vueBlur__);
        delete el.__vueBlur__;
      }
    }
  }
};
</script>