vue.js显示与隐藏(v-if)

<!doctype html><html lang="en"><head><meta charset="UTF-8"><meta name="viewport"content="width=device-

_吴慧良

8757人浏览 · 2018-03-24 14:36:59

_吴慧良 · 2018-03-24 14:36:59 发布

<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <!-- Vue.js -->
    <script src="https://unpkg.com/vue/dist/vue.min.js"></script>
</head>
<body>
<div id="app">
    <p v-if="show">显示这段文本</p>
</div>
</body>
</html>
<script>
    //当数据show的值为true时，p元素会被插入，为false时会被移除
    var myData = {
        show:true
    };
    var app = new Vue({
        el:'#app',
        data:myData,
    })
</script>

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vue 表单验证

1、6位小写字母和数字必须包含两个字母rules: [{ required: true, message: "XXX不能为空", trigger: "blur" },{ max: 6, message: "最大长度为6位字符", trigger: "blur" },{pattern: /^(?=(?:[^a-z]*[a-z]){2})[a-z0-9]{6,6}$/, //不连续的两位字母// /^