时间：2021-04-14 09:06:22 | 栏目：vue | 点击：次
父拿子的值
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<script src="https://cdn.bootcss.com/vue/2.3.2/vue.min.js"></script>
</head>
<body>
<div id="box">
<v-tpl1></v-tpl1>
</div>
<template id="tpl1">
<div>
<p>{{msg1}}</p>
<!--触发拿子组件值的函数-->
<button @click="getChild">父拿子的值</button>
<!--通过ref绑定子组件的值-->
<v-tpl2 ref="shit"></v-tpl2>
</div>
</template>
<template id="tpl2">
<p>{{msg2}}</p>
</template>
<script>
new Vue({
el: '#box',
components: {
'v-tpl1': {
template: '#tpl1',
data(){
return {
msg1: 'msg1'
}
},
methods: {
//父组件定义一个方法通过refs拿到子组件的值
getChild(){
console.log(this.$refs.shit.msg2)
}
},
components: {
'v-tpl2': {
template: '#tpl2',
data(){
return {
msg2: 'msg2'
}
}
}
}
}
}
})
</script>
</body>
</html>
子拿父的值
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<script src="https://cdn.bootcss.com/vue/2.3.2/vue.min.js"></script>
</head>
<body>
<div id="box">
<v-tpl1></v-tpl1>
</div>
<template id="tpl1">
<div>
<v-tpl2></v-tpl2>
</div>
</template>
<template id="tpl2">
<div>
<button @click="getParent">子拿父的值</button>
<p>{{msg2}}</p>
</div>
</template>
<script>
new Vue({
el: '#box',
components: {
'v-tpl1': {
template: '#tpl1',
data(){
return {
msg1: 'msg1'
}
},
components: {
'v-tpl2': {
template: '#tpl2',
data(){
return {
msg2: 'msg2'
}
},
methods:{
getParent(){
console.log(this.$parent.msg1)
}
}
}
}
}
}
})
</script>
</body>
</html>
有了ref拿值不能更方便~