<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>vue $set</title>
<script src="https://static.jb51.net/assets/vue/1.0.11/vue.min.js"></script>
</head>
<body>
<div id="app">
姓名:{{ name }}<br>
年龄:{{age}}<br>
性别:{{sex}}<br>
说明:{{info.content}}
</div>
<!-- JavaScript 代码需要放在尾部(指定的HTML元素之后) -->
<script>
var data = {
name: "编程素材网",
age: '3',
info: {
content: 'my name is test'
}
}
var key = 'content';
var vm = new Vue({
el:'#app',
data: data,
ready: function(){
//Vue.set(data,'sex', '男')
//this.$set('info.'+key, 'what is this?');
}
});
data.sex = '男';
</script>
</body>
</html>
姓名:编程素材网 年龄:3 性别: 说明:my name is test
<script>
var data = {
name: "编程素材网",
age: '3',
info: {
content: 'my name is test'
}
}
var key = 'content';
new Vue({
el:'#app',
data: data,
ready: function(){
Vue.set(data,'sex', '男');
this.$set('info.'+key, 'what is this?');
}
});
</script>
Vue.set(data,'sex', '男')
var key = 'content'; //这种主要用于当对象中某个属性值动态生成时处理方式
this.$set('info.'+key, 'what is this?');
//或
this.$set('info.content', 'what is this?');
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