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我实际上在Vue.js 2的学习阶段。我试图将组件复选框值附加到主要Vue.js实例数据数组变量。不过,我总是在{{ brandArray }}
中获得空阵列。任何帮助,将不胜感激。如何将Vue.js 2组件的值赋给主实例变量?
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.0/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<div id="app">
<p>Brands</p>
<app-brand></app-brand>
{{ brandArray }}
</div>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.4.0/vue.js"></script>
<script type="text/javascript">
Vue.component('app-brand', {
data: function() {
return {
brands: [{
b_id: 1,
b_name: 'BRAND 1'
}, {
b_id: 2,
b_name: 'BRAND 2'
}, {
b_id: 3,
b_name: 'BRAND 3'
}, {
b_id: 4,
b_name: 'BRAND 4'
}]
}
},
template: '<div><div class="checkbox" v-for="brand in brands"><label><input type="checkbox" @click="setBrand($event)" :value="brand.b_id" v-model="this.brandArray" >: {{ brand.b_name }}</label></div></div>',
methods : {
setBrand: function (e) {
if (e.target.checked) {
console.log(e.target.value)
}
}
}
})
new Vue({
el: '#app',
data: {
brandArray: [],
colour: [],
}
})
</script>
</body>
</html>
这是工作的罚款,我也可以打印子组件内。然而,如果想要将它打印到子组件外面,可能吗?也许有任何可用的绑定功能吗? –
我认为你正在寻找这个文件:https://vuejs.org/v2/guide/components.html#Passing-Data-with-Props – choasia
@FRSTAR我更新了我的答案给你更详细的信息。请看一看。 – choasia