详解Vue进阶构造属性

Vue.directive("y", {
  inserted: function(el) {
    el.addEventListener("click", () => console.log("y"));
  }
});

new Vue({
  template:`
    <div v-y>
      <button>点击</button>
    </div>
  `,
  directives:{
    'y':{
      inserted: function(el) {
        el.addEventListener("click", () => console.log("y"));
      }
    }
  }
}).$mount("#app");

<template>
    <div>
      <button v-y>点击</button>
    </div>
</template>
<script>
    export default {
      directives:{
        'y':{
          inserted: function(el) {
            el.addEventListener("click", () => console.log("y"));
          }
        }
      }
    };
</script>

{
    bind: function (el,info,vnode,oldVnode) {}, //元素创建在内存中时执行
    inserted: function (参数同上) {}, //元素插入页面时执行
    update: function (参数同上) {}, 
    componentUpdated: function (参数同上) {}, 
    unbind: function (参数同上) {} //元素消失时执行
}

const MyVue = Vue.extend({
    minxins: [log]
});

export default MyVue;

{
    //...
    provide(){
        return {
            xx: this.changexx,
            yy: this.changeyy
        }
    },
    methods:{
        changexx(){
            //...
        },
        changeyy(){
            //...
        }
    }
}

{
    inject: ["changexx", "changeyy"]
}