Exemple : Quels sont les paramètres de configuration attrs, slots et submit dans vue3 ?

<template>
  <div class="home">
    <img alt="Vue logo" src="../assets/logo.png" />
    <HelloWorld msg="Welcome to Your Vue.js App" proper="1" @custome="handler">
      <template v-slot:one> {{ home }} - 子组件插槽的数据： </template>
    </HelloWorld>
  </div>
</template>
<script>
import HelloWorld from "@/components/HelloWorld.vue";
export default {
  name: "Home",
  data() {
    return {
      home: "主页",
    };
  },
  components: { HelloWorld },
  methods: {
    handler(args) {
      console.log("子组件传递的参数：", args);
    },
  },
};
</script>

<template>
  <div class="hello">
    <h1>{{ msg }}</h1>
    <span>这里是插槽内容：</span>
    <slot slotone="01" name="one"></slot>
    <slot slottwo="02" name="two"></slot>
    <hr />

    <button @click="$emit(&#39;custome&#39;, &#39;参数&#39;)">点击传递参数</button>
  </div>
</template>
<script>
export default {
  name: "HelloWorld",
  props: {
    msg: String,
  },
  setup(props, context) {
    console.log("props:", props);
    console.log("context:", context);
    const { attrs, slots, emit } = context;
    console.log("attrs:", attrs);
    console.log("slots:", slots);
    console.log("emit:", emit);
  },
};
</script>

props: Proxy {msg: "Welcome to Your Vue.js App"}
context: {expose: ƒ}
attrs: Proxy {proper: "1", __vInternal: 1, onCustome: ƒ}
slots: Proxy {_: 1, __vInternal: 1, one: ƒ}
emit: (event, ...args) => instance.emit(event, ...args)