7.Vue2-循环语句的用法

题记

vue2循环语句的用法

v-for

绑定数组

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>实例</title>
<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
</head>
<body>
<div id="app">
  <ol>
    <li v-for="site in sites">
      {{ site.name }}
    </li>
  </ol>
</div>

<script>
new Vue({
  el: '#app',
  data: {
    sites: [
      { name: 'ng1' },
      { name: 'ng2' },
      { name: 'ng3' }
    ]
  }
})
</script>
</body>
</html>

实例：

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>实例</title>
<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
</head>
<body>
<div id="app">
  <ul>
    <template v-for="site in sites">
      <li>{{ site.name }}</li>
      <li>--------------</li>
    </template>
  </ul>
</div>

<script>
new Vue({
  el: '#app',
  data: {
    sites: [
      { name: 'ng1' },
      { name: 'ng2' },
      { name: 'ng3' }
    ]
  }
})
</script>
</body>
</html>

v-for迭代对象

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>实例</title>
<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
</head>
<body>
<div id="app">
  <ul>
    <li v-for="value in object">
    {{ value }}
    </li>
  </ul>
</div>

<script>
new Vue({
  el: '#app',
  data: {
    object: {
      name: '111',
      url: '222',
      slogan: '333'
    }
  }
})
</script>
</body>
</html>

键名

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>实例</title>
<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
</head>
<body>
<div id="app">
  <ul>
    <li v-for="(value, key) in object">
    {{ key }} : {{ value }}
    </li>
  </ul>
</div>

<script>
new Vue({
  el: '#app',
  data: {
    object: {
      name: '111',
      url: '222',
      slogan: '333'
    }
  }
})
</script>
</body>
</html>

索引

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>实例</title>
<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
</head>
<body>
<div id="app">
  <ul>
    <li v-for="(value, key, index) in object">
     {{ index }}. {{ key }} : {{ value }}
    </li>
  </ul>
</div>

<script>
new Vue({
  el: '#app',
  data: {
    object: {
      name: '111',
      url: '222',
      slogan: '333'
    }
  }
})
</script>
</body>
</html>

v-for迭代整数

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>实例</title>
<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
</head>
<body>
<div id="app">
  <ul>
    <li v-for="n in 10">
     {{ n }}
    </li>
  </ul>
</div>

<script>
new Vue({
  el: '#app'
})
</script>
</body>
</html>

后记

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