mixin(混入)
-
功能:可以把多个组件共用的配置提取成一个混入对象
-
使用方式:
第一步定义混合:
{ data(){....}, methods:{....} .... }
第二步使用混入:
全局混入:
Vue.mixin(xxx)
局部混入:mixins:['xxx']
components
School.vue
<template>
<div>
<h2 @click="showName">学校名称:{{name}}</h2>
<h2>学校地址:{{address}}</h2>
</div>
</template>
<script>
//引入一个hunhe
// import {hunhe,hunhe2} from '../mixin'
export default {
name:'School',
data() {
return {
name:'尚硅谷',
address:'北京',
x:666
}
},
// mixins:[hunhe,hunhe2],
}
</script>
Student.vue
<template>
<div>
<h2 @click="showName">学生姓名:{{name}}</h2>
<h2>学生性别:{{sex}}</h2>
</div>
</template>
<script>
// import {hunhe,hunhe2} from '../mixin'
export default {
name:'Student',
data() {
return {
name:'张三',
sex:'男'
}
},
// mixins:[hunhe,hunhe2]
}
</script>
App.vue
<template>
<div>
<School/>
<hr>
<Student/>
</div>
</template>
<script>
import School from './components/School'
import Student from './components/Student'
export default {
name:'App',
components:{School,Student}
}
</script>
main.js
//引入Vue
import Vue from 'vue'
//引入App
import App from './App.vue'
import {hunhe,hunhe2} from './mixin'
//关闭Vue的生产提示
Vue.config.productionTip = false
Vue.mixin(hunhe)
Vue.mixin(hunhe2)
//创建vm
new Vue({
el:'#app',
render: h => h(App)
})
mixin.js
export const hunhe = {
methods: {
showName(){
alert(this.name)
}
},
mounted() {
console.log('你好啊!')
},
}
export const hunhe2 = {
data() {
return {
x:100,
y:200
}
},
}