完成v-model学习

1 year ago · 9ca3a3a47d
parent c2bd0ff00e
commit 9ca3a3a47d
3 changed files with 81 additions and 1 deletions
--- a/demo/v-for.html
+++ b/demo/v-for.html
@ -0,0 +1,41 @@
+<!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=edfe">
+    <script src="https://unpkg.com/vue@3.3.4/dist/vue.global.js"></script>
+    <title>v-for</title>
+</head>
+<body>
+<div id="app">
+    <h2>v-for遍历数组</h2>
+    <ul>
+        <li v-for="(item,index) in arr" :title="item">
+            {{ index + 1 }} - {{ item }}
+        </li>
+    </ul>
+    <h2>v-for遍历数组对象</h2>
+    <ul>
+        <li v-for="(item, index) in arr_obj" :title="item.system">
+            {{ index + 1 }} - {{ item.system }}
+        </li>
+    </ul>
+</div>
+<script type="text/javascript">
+    const App = {
+        data() {
+            return {
+                arr: ['华为', '苹果', 'Oppo', '小米', 'Vivo'],
+                arr_obj: [
+                    {system: 'iOS'},
+                    {system: 'Android'},
+                    {system: '鸿蒙'},
+                ]
+            }
+        }
+    }
+    Vue.createApp(App).mount("#app")
+</script>
+</body>
+</html>
--- a/demo/v-model.html
+++ b/demo/v-model.html
@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link rel="stylesheet" href="https://unpkg.com/element-plus/dist/index.css"/>
+    <script src="https://unpkg.com/vue@3.2.24/dist/vue.global.js"></script>
+    <title>v-model</title>
+</head>
+<body>
+<div id="app">
+    <input type="text" v-model="tips">
+    <h2>{{ tips }}</h2>
+    <input type="button" value="修改" @click="change_tips">
+</div>
+<script type="text/javascript">
+    const App = {
+        data() {
+            return {
+                tips: "初始的文本信息",
+                btn_tips: "点击按键后的信息"
+            }
+        },
+        methods: {
+            change_tips: function () {
+                this.tips = this.btn_tips
+            }
+        }
+    }
+    Vue.createApp(App).mount("#app")
+</script>
+</body>
+</html>
--- a/demo/v-on.html
+++ b/demo/v-on.html
@ -10,12 +10,14 @@
 <body>
 <div id="app">
    <input type="button" value="点击执行" v-on:click="click_action"><br>
-    <input type="button" value="双击执行" @dblclick="double_action">
+    <input type="button" value="双击执行" @dblclick="double_action"><br>
+    <input type="text" :placeholder="msg" v-model="msg" @keyup.enter="alert(msg)">
 </div>
 <script type="text/javascript">
    const App = {
        data() {
            return {
+                msg: "请输入后回车提示信息",
                count: 0,
            }
        },
@ -26,6 +28,10 @@
            double_action: function () {
                alert("当前数值为：" + this.count+', 再次双击将+1')
                this.count++
+            },
+            alert: function (msg) {
+                console.log(this.msg)
+                alert(msg)
            }
        }
    }