V-bind指令
el与data两种写法
MVVM
数据代理
V-no事件处理
V-no用于监听DOM对象
双向数据绑定V-model
v-model 指令用来在 input、select、textarea、checkbox、radio 等表单控件元素上创建双向数据绑定,根据表单上的值,自动更新绑定的元素的值。
按钮的事件我们可以使用 v-on 监听事件,并对用户的输入进行响应。文章来源:https://www.toymoban.com/news/detail-817855.html
下拉选项实例:文章来源地址https://www.toymoban.com/news/detail-817855.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div id="app" style="font-size: 25px;">
<select v-model="selectedOption">
<option value="option1">选项1</option>
<option value="option2">选项2</option>
<option value="option3">选项3</option>
</select>
<p>你选择的选项是: {{ selectedOption }}</p>
</div>
<script>
new Vue({
el: '#app',
data: {
selectedOption: 'option1'
}
});
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<style>
.father_box {
background-color: rgb(231, 168, 168);
width: 800px;
height: 800px;
margin: auto;
border-radius: 50px
}
.head_box {
/* background-color: aqua; */
height: 100px;
width: 400px;
margin: auto;
font-size: 60px;
color: black;
font-style: italic;
text-align: center;
}
.center_box {
/* background-color: aqua; */
width: 500px;
height: 500px;
margin: auto;
}
input {
width: 300px;
height: 40px;
position: relative;
left: 100px;
border: 1px solid black;
background-color: rgb(255, 255, 255);
font-family: Arial, Helvetica, sans-serif;
border-radius: 5px;
padding: 5px;
margin: 10px;
font-size: 20px;
}
</style>
<body>
<div class="father_box" id="father">
<div class="head_box">请登录</div>
<div class="center_box">
<div> <label for="username">账号:</label>
<input type="text" id="username" v-model="userName">
</div>
<div> <label for="password">密码:</label>
<input type="password" id="password" v-model="passWord">
</div>
<button style="font-size: 25px; " v-on:click="save"> 登录</button>
</div>
</div>
</body>
<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
<script>
new Vue({
el: '#father',
data() {
return {
userName: "",
passWord: "",
}
},
methods: {
save() {
localStorage.setItem('username', this.userName);
localStorage.setItem('password', this.passWord);
}
},
mounted() {
this.userName = localStorage.getItem('username');
this.passWord = localStorage.getItem('password');
}
})
</script>
</html>
到了这里,关于Vue (v-bind指令、el与data的两种写法、理解MVVM、数据代理、V-no事件处理、双向数据绑定V-model、登陆页面实现的文章就介绍完了。如果您还想了解更多内容,请在右上角搜索TOY模板网以前的文章或继续浏览下面的相关文章,希望大家以后多多支持TOY模板网!