Vue/else

new Vue({
  el: "#sample",
  data: {val: "あめあられ", bool: false},
  methods: {
    sFunc: function() {
      this.bool = true;
    }
  }
});
	
div v-if="bool">
  input v-model="val" @keyup.enter="bool=false" @blur="bool=false" />
/div>
div v-else="">
  span @click="sFunc">{{val}}/span>
/div>