使用Vue.component()必须要先将Vue实例化
目录：程序员成长之旅/Vue.js学习
错误示范:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script type="text/javascript" src="./vue.js" charset="UTF-8"></script>
</head>
<body>
<div id="app">
<button-counter></button-counter>
</div>
<script type="text/javascript"> /*注意这里,只是应用了Vue的自定义组件,没有进行Vue实例化和范围圈定*/
Vue.component('button-counter',{
props:['title'],
data:function(){
return {
count:0
}
},
template: '<div><h1>hi...</h1><button v-on:click="clickfun">{{title}} You clicked me {{ count }} times.</button><slot></slot></div>',
methods:{
clickFun:function(){
this.count++;
}
}
})
</script>
</body>
</html>
正确示范:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script type="text/javascript" src="./vue.js" charset="UTF-8"></script>
</head>
<body>
<div id="app">
<button-counter></button-counter>
</div>
<script type="text/javascript">
Vue.component('button-counter',{
props:['title'],
data:function(){
return {
count:0
}
},
template: '<div><h1>hi...</h1><button v-on:click="clickfun">{{title}} You clicked me {{ count }} times.</button><slot></slot></div>',
methods:{
clickFun:function(){
this.count++;
}
}
})
var vm = new Vue({ //注意这里,将 #app 范围内的内容接管到Vue,使Vue.component()生效了!
el:'#app',
data:{
}
});
</script>
</body>
</html>