plugin
作者：互联网
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title></title>
<script src="../js/vue.js"></script>
</head>
<body>
<div id="root"></div>
<script>
// plugin
const myPlugin = {
install(app,options){
// 扩展额外参数
app.provide('name','Eric')
// console.log(app);
// 扩展指令
app.directive('focus',{
mounted(el){
el.focus()
}
})
// 扩展mixin
app.mixin({
mounted(){
console.log('mixin mounted');
}
})
// 扩展全局 属性
app.config.globalProperties.$sayHello = 'hello word'
}
}
var app = Vue.createApp({ template:` <my-title /> `, })
app.component('my-title',{ inject:['name'], mounted(){ console.log(this.$sayHello); }, template:` <div> {{name}} <input v-focus /> </div> ` })
app.use(myPlugin,{name:'Eric'})
const vm = app.mount('#root')
</script>
</body> </html>
var app = Vue.createApp({ template:` <my-title /> `, })
app.component('my-title',{ inject:['name'], mounted(){ console.log(this.$sayHello); }, template:` <div> {{name}} <input v-focus /> </div> ` })
app.use(myPlugin,{name:'Eric'})
const vm = app.mount('#root')
</script>
</body> </html>
标签：console,log,plugin,app,mixin,mounted,name 来源： https://www.cnblogs.com/eric-share/p/15660760.html