Vue 组件注册全解析

Vue.component(组件名称, {
   data: 组件数据,
   template:组件模板内容
  })

Vue.component('button-counter', {
   data: function(){
    return {
     count: 0
    }
   },
   template: '<button @click="handle">点击了{{count}}次</button>',
   methods: {
    handle: function(){
     this.count ++;
    }
   }
  })
  var vm = new Vue({
   el: '#app',
   data: {
   }
  });

<div id="app">
  <button-counter></button-counter>
</div>

Vue.component('my-component',{/*...*/})

Vue.component('MyComponent',{/*...*/})

var ComponentA = {/*...*/}
var ComponentB = {/*...*/}
var ComponentC = {/*...*/}
new Vue({
  el : '#app',
  components: {
　　　　'component-a' : ComponentA,
　　　　'component-b' : ComponentB,
　　　　'component-c' : ComponentC
　　}
})

Vue.component('test-com',{
   template: '<div>Test<hello-world></hello-world></div>'
  });
  var HelloWorld = {
   data: function(){
    return {
     msg: 'HelloWorld'
    }
   },
   template: '<div>{{msg}}</div>'
  };
  var HelloTom = {
   data: function(){
    return {
     msg: 'HelloTom'
    }
   },
   template: '<div>{{msg}}</div>'
  };
  var HelloJerry = {
   data: function(){
    return {
     msg: 'HelloJerry'
    }
   },
   template: '<div>{{msg}}</div>'
  };
  var vm = new Vue({
   el: '#app',
   data: {
    
   },
   components: {
    'hello-world': HelloWorld,
    'hello-tom': HelloTom,
    'hello-jerry': HelloJerry
   }
  });

<div id="app">
  <hello-world></hello-world>
  <hello-tom></hello-tom>
  <hello-jerry></hello-jerry>
  <test-com></test-com>
 </div>