vue 子组件传值父组件 emit
<div id="app">
{{message}}
<children_fei @item_click="parent_function"></children_fei>
</div>
<template id="children_foo"> <!-- 子组件 -->
<div><button @click="btnClick()" value="点击">点击</button></div>
</template>
<script src="vue.js"></script>
<script>
const children_fei = {
template: '#children_foo',
data() { return { children_message: "我是子组件bar" } },
methods: {
btnClick() {
this.$emit("item_click", this.children_message);
}
}
};
const app = new Vue({
el: '#app',
data() { return { message: 'Hello Vue!', } },
methods: {
parent_function(items) { console.log(items); }
},
components: { children_fei }
});
</script>
