1. 程式人生 > >vue中父傳子(props)的用法

vue中父傳子(props)的用法

方式一:靜態

<!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="https://cdn.bootcss.com/vue/2.5.17-beta.0/vue.js"></script>
</head>
<body>
  <div id="app">
    <parsent></parsent>
  </div>
  <script>
    var childNode = {
      template:`
        <div>{{forChildMsg}}</div>
      `,
      props: ['for-child-msg']
    };
    var parsentNode = {
      template: `
        <div>
          <child for-child-msg="aaa"></child>
          <child for-child-msg="bbb"></child>
        </div>
      `,
      components: {
        child: childNode
      }
    };
    new Vue({
      el: '#app',
      components: {
        parsent: parsentNode
      }
    })
  </script>
</body>
</html>

方式二:動態

<!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="https://cdn.bootcss.com/vue/2.5.17-beta.0/vue.js"></script>
</head>
<body>
  <div id="app">
    <parsent></parsent>
  </div>
  <script>
    var childNode = {
      template:`
        <div>{{forChildMsg}}</div>
      `,
      props: ['for-child-msg']
    };
    var parsentNode = {
      template: `
        <div>
          <child :for-child-msg="msg1"></child>
          <child :for-child-msg="msg2"></child>
        </div>
      `,
      components: {
        child: childNode
      },
      data(){
        return {
          msg1: '這是msg1',
          msg2: '這是msg2'
        }
      }
    };
    new Vue({
      el: '#app',
      components: {
        parsent: parsentNode
      }
    })
  </script>
</body>
</html>

驗證:

<!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="https://cdn.bootcss.com/vue/2.5.17-beta.0/vue.js"></script>
</head>
<body>
  <div id="app">
    <parsent></parsent>
  </div>
  <script>
    var childNode = {
      template:`
        <div>{{forChildMsg}}</div>
      `,
      props: {
        forChildMsg: {
          type: String,
          default:'12'
        }
      }
    };
    var parsentNode = {
      template: `
        <div>
          <child :for-child-msg="msg1"></child>
          <child :for-child-msg="msg2"></child>
        </div>
      `,
      components: {
        child: childNode
      },
      data(){
        return {
          msg1: '這是msg1'
        }
      }
    };
    new Vue({
      el: '#app',
      components: {
        parsent: parsentNode
      }
    })
  </script>
</body>
</html>