1、在HTML中使用vue
<!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>vue的使用</title>
  <script src="./js/vue.min.js"></script>  //引入vue
</head>
<body>
  <div id="app">
    <div>
      我的爱好是
      <span v-for="(item,index) in list" :key="index">
        {{item}}{{index==list.length-1?'':','}}
      <span>
    </div>
  </div>
</body>
<script>
  var app = new Vue({
    el:'#app',
    data:function(){
      return {
        list:['听音乐','旅游','打游戏']
      }
    },
    methods:{

    }
  })
</script>
</html>

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2、在HTML中如何引入自定义组件以及创建自定义组件
  1. 创建自定义组件my_demo.js
  2. 在HTML中直接引入组件< my-demo ></ my-demo >

html

<!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>vue的使用</title>
  <script src="./js/vue.min.js"></script>
  <script src="./js/my_demo.js"></script>  
</head>
<body>
  <div id="app">
    <div>
      我的爱好是
      <span v-for="(item,index) in list" :key="index">
        {{item}}{{index==list.length-1?'':','}}
      <span>
    </div>
    <my-demo></my-demo>
  </div>
</body>
<script>
  var app = new Vue({
    el:'#app',
    data:function(){
      return {
        list:['听音乐','旅游','打游戏']
      }
    },
    methods:{

    }
  })
</script>
</html>

my_demo.js

var demo_str = `
  <div>
    {{my_data}}
  </div>
`
var demoComponent = Vue.extend({
  template:demo_str ,
  data:function(){
    return {
      my_data:'我是一个自定义组件'
    }
  },
  method:{},
  mounted(){}
})

Vue.component('my-demo',demoComponent )  //注:此处my-demo就是html中组件的名字

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3、html中父子组件传值

其实在HTML中的父子组件传值与使用脚手架搭建的vue项目中传值方式是一样的,唯一需要注意的是子传父使用的方法名一定要是小写,如果是以驼峰形式命名,则会出现值传不过来的问题

  1. 父传子
<!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>vue的使用</title>
  <script src="./js/vue.min.js"></script>
  <script src="./js/my_demo.js"></script>
</head>
<body>
  <div id="app">
    <div>
      我的爱好是
      <span v-for="(item,index) in list" :key="index">
        {{item}}{{index==list.length-1?'':','}}
      <span>
    </div>
    <my-demo :info="info"></my-demo>  //老父亲传值过来了
  </div>
</body>
<script>
  var app = new Vue({
    el:'#app',
    data:function(){
      return {
        list:['听音乐','旅游','打游戏'],
        info:'你爸爸给你带了旺仔牛奶'
      }
    },
    methods:{

    }
  })
</script>
</html>

my_demo.js 子组件接收值

var demo_str = `
  <div>
    {{my_data}} / {{info}}  
  </div>
`
var demoComponent = Vue.extend({
  template:demo_str ,
  props:['info'],  //开心的收下爹地给的旺仔牛奶
  data:function(){
    return {
      my_data:'我是一个自定义组件'
    }
  },
  method:{},
  mounted(){}
})

Vue.component('my-demo',demoComponent)

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  1. 子传父
    my_demo.js
var demo_str = `
 <div>
   <p>{{my_data}} / {{info}}</p>
   <p @click="thank">我的回复</p>
 </div>
`
var demoComponent = Vue.extend({
 template:demo_str,
 props:['info'],
 data:function(){
   return {
     my_data:'我是一个自定义组件',
     data:'谢谢老爸,牛奶我收到啦'
   }
 },
 methods:{
   thank(){
     this.$emit('thank',this.data)
   }
 },
 mounted(){}
})

Vue.component('my-demo',demoComponent)
<!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>vue的使用</title>
  <script src="./js/vue.min.js"></script>
  <script src="./js/my_demo.js"></script>
</head>
<body>
  <div id="app">
    <div>
      我的爱好是
      <span v-for="(item,index) in list" :key="index">
        {{item}}{{index==list.length-1?'':','}}
      <span>
    </div>
    <my-demo :info="info" @thank="thank"></my-demo>
    <p>{{is_receive}}</p>
  </div>
</body>
<script>
  var app = new Vue({
    el:'#app',
    data:function(){
      return {
        list:['听音乐','旅游','打游戏'],
        info:'爸爸给你带了旺仔牛奶',
        is_receive:''
      }
    },
    methods:{
      thank(val){
        this.is_receive = val
      }
    }
  })
</script>
</html>

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4、HTML中使用第三方组件库(以vant为例)
<!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>vue的使用</title>
  <script src="./js/vue.min.js"></script>
  <!-- 引入样式文件 -->
  <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/vant@2.12/lib/index.css" />
  <!-- 引入 Vue 和 Vant 的 JS 文件 -->
  <script src="https://cdn.jsdelivr.net/npm/vue@2.6/dist/vue.min.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/vant@2.12/lib/vant.min.js"></script>
  <script src="./js/my_demo.js"></script>
</head>

<body>
  <div id="app">
    <div>
      我的爱好是
      <span v-for="(item,index) in list" :key="index">
        {{item}}{{index==list.length-1?'':','}}
        <span>
    </div>
    <my-demo :info="info" @thank="thank"></my-demo>
    <p>{{is_receive}}</p>
    <van-button type="primary" @click="handleClick">点我</van-button>
  </div>
</body>
<script>
  var app = new Vue({
    el: '#app',
    data: function () {
      return {
        list: ['听音乐', '旅游', '打游戏'],
        info: '爸爸给你带了旺仔牛奶',
        is_receive: ''
      }
    },
    methods: {
      thank(val) {
        this.is_receive = val
      },
      handleClick(){
        this.$toast('哈喽~')
      }
    }
  })
</script>

</html>

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