智享笔记 <body>
<div id="app">
<div>父组件</div>
<div>
<button @click='handle'>销毁事件</button>
</div>
<test-tom></test-tom>
<test-jerry></test-jerry>
</div>
<script type="text/javascript" src="js/vue.js"></script>
<script type="text/javascript">
/*
兄弟组件之间数据传递
*/
// 提供事件中心
var hub = new Vue();
Vue.component('test-tom', {
data: function(){
return {
num: 0
}
},
template: `
<div>
<div>TOM:{{num}}</div>
<div>
<button @click='handle'>点击</button>
</div>
</div>
`,
methods: {
handle: function(){
hub.$emit('jerry-event', 2);
}
},
mounted: function() {
// 监听事件
hub.$on('tom-event', (val) => {
this.num += val;
});
}
});
Vue.component('test-jerry', {
data: function(){
return {
num: 0
}
},
template: `
<div>
<div>JERRY:{{num}}</div>
<div>
<button @click='handle'>点击</button>
</div>
</div>
`,
methods: {
handle: function(){
// 触发兄弟组件的事件
hub.$emit('tom-event', 1);
}
},
mounted: function() {
// 监听事件
hub.$on('jerry-event', (val) => {
this.num += val;
});
}
});
var vm = new Vue({
el: '#app',
data: {
},
methods: {
handle: function(){
hub.$off('tom-event');
hub.$off('jerry-event');
}
}
});
</script>
</body>兄弟组件之间数据交互
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