Vue component 子传父通信 $emit
<!DOCTYPE html><html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<div id="app" style="background-color:blue;height: 400px;height: 400px;padding: 20px;">
<div_box @div_box_click="div_box_func2"></div_box>
</div>
<template id="div_box">
<div style="background-color: red;height: 200px;height: 200px;">
<button @click="btnClick">btn</button>
</div>
</template>
<script src="js/vue.3.2.2.js"></script>
<script>
const Box = {
//用于接收数据
// props:['brand','colleges'],
template:'#div_box',
methods:{
btnClick(){
console.log("btnClick");
// this.$emit('div_box_click','test_msg1','test_msg2','test_msg3');
const args = {
name:'subject',
intro:'java,vue'
}
this.$emit('div_box_click',args);
}
}
}
// 1、创建Vue的实例对象
const app = Vue.createApp({
data(){//定义数据
return {
msg:'你好!'
}
},
'div_box':Box//,
// 'div_box2':Box2,
// 'div_box3':Box3
},
methods: {
div_box_func(arg1,arg2,arg3){
console.log("div_box_func"+"----------"+arg1+"----------"+arg2+"----------"+arg3);
},
div_box_func2(args){
console.log(args);
}
}
}).mount('#app');
</script>
</body>
</html>
以上是 Vue component 子传父通信 $emit 的全部内容, 来源链接: utcz.com/z/378514.html