【Web - 框架 - Vue】随笔 - Vue的简单使用 - 快速上手
Vue模板代码
代码
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>模板</title>
</head>
<body>
<div></div>
<script src="https://cdn.bootcdn.net/ajax/libs/vue/2.7.16/vue.js"></script>
<script>let v = new Vue({el: "",data: {},methods: {}})
</script>
</body>
</html>
Vue文本相关
代码
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Vue文本相关</title>
</head>
<body>
<div><!--插值,不依赖于标签-->{{info}}<p>{{info}}</p><!--让元素的文本内容和变量进行绑定--><p v-text="info"></p><!--让元素的标签内容和变量进行绑定--><p v-html="info"></p>
</div>
<script src="https://cdn.bootcdn.net/ajax/libs/vue/2.7.16/vue.js"></script>
<script>let v = new Vue({el: "div",data: {info: "<b>文本相关</b>"}})
</script>
</body>
</html>
结果
Vue属性绑定
代码
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Vue属性绑定</title>
</head>
<body>
<div><!--属性绑定:v-bind--><a v-bind:href="url">超链接1</a><!--属性绑定简写(省略掉"v-bind")--><a :href="url">超链接2</a><input type="text" :value="info"><img :src="imgUrl" alt="">
</div>
<script src="https://cdn.bootcdn.net/ajax/libs/vue/2.7.16/vue.js"></script>
<script>let v = new Vue({el: "div",data: {url: "http://www.baidu.com",info: "文本内容",imgUrl: "https://img-blog.csdnimg.cn/direct/f4f51baf0fd64076975340d0bce02fbb.png"}})
</script>
</body>
</html>
结果
Vue双向绑定
代码
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Vue双向绑定</title>
</head>
<body>
<div><input type="text" :value="info_a"><!--双向绑定:v-model--><input type="text" v-model="info_b">
</div>
<script src="https://cdn.bootcdn.net/ajax/libs/vue/2.7.16/vue.js"></script>
<script>let v = new Vue({el: "div",data: {info_a: "属性绑定",info_b: "双向绑定"}})setTimeout(function () {alert(v.info_a + " " + v.info_b)}, 8000)
</script>
</body>
</html>
结果
Vue事件绑定
代码
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Vue事件绑定</title>
</head>
<body>
<div><!--事件绑定:v-on:事件名="方法名"--><input type="button" value="按钮1" v-on:click="f()"><!--事件绑定简写--><input type="button" value="按钮2" @click="f">
</div>
<script src="https://cdn.bootcdn.net/ajax/libs/vue/2.7.16/vue.js"></script>
<script>let v = new Vue({el: "div",data: {},methods: {f() {alert("按钮点击了");}}})
</script>
</body>
</html>
结果
Vue循环遍历
代码
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Vue循环遍历</title>
</head>
<body>
<div><ul><!--循环遍历:v-for--><li v-for="name in arr">{{name}}</li></ul>
</div>
<script src="https://cdn.bootcdn.net/ajax/libs/vue/2.7.16/vue.js"></script>
<script>let v = new Vue({el: "div",data: {arr: ["刘备", "关羽", "诸葛亮", "孙尚香", "刘禅"]},methods: {}})
</script>
</body>
</html>
结果
Vue显示隐藏
代码
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Vue显示隐藏</title>
</head>
<body>
<div><!--显示删除:v-if--><h1 v-if="isVisible">刘德华</h1><!--显示删除:v-else--><h1 v-else>张三</h1><!--显示隐藏:v-show--><h1 v-show="isVisible">张学友</h1><h1>郭富城</h1>
</div>
<script src="https://cdn.bootcdn.net/ajax/libs/vue/2.7.16/vue.js"></script>
<script>let v = new Vue({el: "body>div",data: {isVisible: true},methods: {}})
</script>
</body>
</html>
![[译]BNF 表示法：深入了解 Python 的语法](https://img-blog.csdnimg.cn/direct/64e4d8f682e94269bb45ced2732d35b3.png)
