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ClassContent/历届学生/font-end-nine/项目练习/学生项目/郑若怡/案例练习/上课练习/VUE基础/父子传参数.html
2024-09-27 02:06:13 +08:00

71 lines
1.5 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<div class="app">
<abc @change="getData" ></abc>
<!-- :x=" '2' " -->
<!-- <c></c>
<d></d> -->
</div>
<body>
</body>
<script src="https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.js"></script>
<script>
Vue.component('abc', {
template: `
<div>
<h1>{{title}}</h1>
<h2 @click="submit">{{ x }}</h2>
</div>`,
data() {
return {
title: '我是全局组件',
list: "这是子组件的数据"
}
},
props: {
x: {
default: "这是默认标题",
type: String
}
},
methods: {
submit() {
this.$emit("change", this.list)
}
}
})
// var c = {
// template: `<h1>{{title}}</h1>`,
// data() {
// return {
// title: '我是局部组件',
// }
// }
// }
new Vue({
el: ".app",
data: {},
methods: {
getData(val) {
console.log("父组件收到的数据:", val);
}
},
// components: {
// c,
// "d": c
// }
})
</script>
</html>