Vue简易便签实现

news2025/11/4 2:16:27

Vue简易便签实现

html部分

<!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=edge">
    <title>小钱便签</title>
    <!-- 引入自定义样式表 -->
    <link rel="stylesheet" type="text/css" href="index.css"/>
</head>
<body>
	<!-- 主体区域 -->
    <section id="app">
        <!-- 输入框 -->
        <header>
        	<h1 class="title">便签</h1>
        	<input type="text" v-model="inputValue" autofocus="autofocus" 
                   placeholder="请输入事项" autocomplete="off" class="new-todo" 
                   @keyup.enter="add"/>
        </header>
    	<!-- 列表区域 -->
    	<section class="main">
        	<ul class="todo-list">
                <li class="todo" v-for="(item, index) in list">
                	<div class="view">
                        <span class="index">{{ index + 1 }}</span>
                        <label>{{ item }}</label>
                        <button class="destroy" @click="remove(index)">删除</button>
                    </div>
                </li>
            </ul>
        </section>
    	<!-- 统计和清空 -->
        <footer class="footer">
            <span class="todo-count" v-if="list.length != 0">{{ list.length }}<strong></strong>@nbsp;items left</span>
            <button @click="clear" v-show="list.length != 0">Clear</button>
        </footer>
    </section>
    <!-- 底部 -->
    <footer class="info">
        <p>
            <a href="https://www.baidu.com/"><img src="https://www.baidu.com/img/flexible/logo/pc/result.png"/></a>
        </p>
    </footer>    
    <!-- 开发环境版本 -->
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <script>
    	var app = new Vue({
            el: '#app',
            data: {
                list: ["糖醋里脊", "红烧狮子头", "蒸鸡蛋"],
                // 初始化输入值为空
                inputValue: ""
            },
            methods: {
                add: function() {
                    this.list.push(this.inputValue);
                },
                remove: function(index) {
                    this.list.splice(index, 1);
                },
                clear: function() {
                    this.list = []
                }
            }
        })
    </script>
</body>    
</html>

css样式表

* {
    padding: 0;
    margin: 0;
}

#app {
    width: 300px;
    /* 盒子居中对齐 */
    margin: 5px auto;
    box-shadow: 0px 3px 10x 2px rgba(0, 0, 0, 0.1);
}

.title {
    font: normal 200 34px '微软雅黑';
    color: rgb(219, 82, 82);
    text-align: center;
    padding-top: 100px;
    padding-bottom: 10px;
}

.new-todo {
    width: 100%;
    height: 40px;
    padding-left: 10px;
    color: rgb(88, 88, 88);
    box-sizing: border-box;
    border: 1px solid rgb(236, 236, 236);
}

.new-todo:focus {
    outline: none;
}

.footer {
    position: relative;
    width: 100%;
    height: 40px;
    box-sizing: border-box;
    border: 1px solid rgb(236, 236, 236);
    background-color: white;
}

.footer span {
    font-size: 12px;
    color: rgb(131, 131, 131);
    float: left;
    line-height: 40px;
}

.todo-count {
    margin-left: 10px;
}

.clear-button {
    margin-left: 170px;
}

.todo {
    list-style: none;
    font-size: 14px;
    font-family: '微软雅黑';
    color: rgb(88, 88, 88);
    box-sizing: border-box;
    width: 100%;
    height: 40px;
    line-height: 40px;
    border: 1px solid rgb(236, 236, 236);
    background-color: white;
}

.view {
    position: relative;
    margin-left: 10px;
}

.view label {
    width: 200px;
    height: 40px;
    position: absolute;
    /* 超出的文本隐藏 */
    overflow: hidden;
    /* 溢出用省略号表示 */
    text-overflow: ellipsis;
    /* 溢出不换行 */
    white-space: nowrap;
}

.destroy {
    position: absolute;
    right: 10px;
    top: 9px;
    font-size: 12px;
    font-family: '微软雅黑';
    outline: none;
    border: 1px solid rgb(236, 236, 236);
    color: rgb(255, 111, 111);
    display: none;
}

.view:hover .destroy {
    display: block;
}

.footer button {
    position: absolute;
    right: 10px;
    top: 9px;
    font-size: 12px;
    font-family: '微软雅黑';
    outline: none;
    border: 0px;
    color: rgb(131, 131, 131);
}

.info {
    margin: 5px auto;
    width: 300px;
}

.info a {
    padding-left: 50px;
}