<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<script src="/vue.js"></script>
</head>
<body>
<div id="app">
<comA></comA>
<com-b></com-b>
<comc></comc>
</div>
<script>
var componentA = {
template: `<div style="color:red">我是A组件</div>`
}
var componentB = {
template: `<div style="color:yellow">我是B组件</div>`
}
var componentC = {
template: `<div style="color:pink">我是C组件</div>`
}
var app = new Vue({
el: '#app',
components: {
"comA": componentA,
"com-b": componentB,
"comc": componentC
}
})
</script>
</body>
</html>如果 components选项中组件的名字为 'comA' ，那么引用组件时就要用 'com-a' 否则是无法解析的。