基于Vue的记事本todos效果展示及源码分享

前些天做了个使用vuex制作的记事本todos，这次使用vue做一个todos记事本

show code

<!DOCTYPE html>
<html lang="en"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title><script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script><link rel="stylesheet" href="./todos.css">
</head><body><div id="app"><!-- 新增 --><!-- 1生成列表结构v-for2获取用户输入v-model3回车新增数据v-on enter添加数据 --><!-- 删除 --><!-- 1点击删除指定内容v-on splice --><!-- 统计 --><!-- 统计信息个数v-text length --><!-- 清除 --><!-- 点击清除所有信息清空数组 --><!-- 隐藏 --><!-- 没有数据隐藏元素v-show v-if --><!-- 主体区域 --><section><!-- 输入框 --><header class="header"><h1>记事本</h1><input v-model="inputValue" autofocus="autofocus" autocomplete="off" placeholder="请输入任务" 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" :key="item.index"><div class="view"><span class="index">{{ index+1 }}.</span><label>{{ item }}</label><button class="destroy" @click="remove(index)"></button></div></li></ul></section><!-- 统计和清空 --><footer class="footer"><span class="todo-count" v-show="list.length!=0"><strong>{{ list.length }}</strong> items left</span><button v-show="list.length!=0" class="clear-completed" @click="clear">Clear</button></footer></section><!-- 底部 --><footer class="info"></footer></div><script>var app = new Vue({el: '#app',data: {list: ["写代码", "吃饭", "睡觉"],inputValue: '好好学习'},methods: {add() {this.list.push(this.inputValue)},remove(index) {this.list.splice(index, 1)},clear() {this.list = []}}})</script>
</body></html>

js代码相较于vuex自然少了点简洁一些，当然vuex体现的是数据管理功能
余下的是css样式

html,
body {margin: 0;padding: 0;
}body {background: #fff;
}button {margin: 0;padding: 0;border: 0;background: none;font-size: 100%;vertical-align: baseline;font-family: inherit;font-weight: inherit;color: inherit;-webkit-appearance: none;appearance: none;-webkit-font-smoothing: antialiased;-moz-osx-font-smoothing: grayscale;
}body {font: 14px "Helvetica Neue", Helvetica, Arial, sans-serif;line-height: 1.4em;background: #f5f5f5;color: #4d4d4d;min-width: 230px;max-width: 550px;margin: 0 auto;-webkit-font-smoothing: antialiased;-moz-osx-font-smoothing: grayscale;font-weight: 300;
}:focus {outline: 0;
}.hidden {display: none;
}#todoapp {background: #fff;margin: 180px 0 40px 0;position: relative;box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.2), 0 25px 50px 0 rgba(0, 0, 0, 0.1);
}#todoapp input::-webkit-input-placeholder {font-style: italic;font-weight: 300;color: #e6e6e6;
}#todoapp input::-moz-placeholder {font-style: italic;font-weight: 300;color: #e6e6e6;
}#todoapp input::input-placeholder {font-style: italic;font-weight: 300;color: gray;
}#todoapp h1 {position: absolute;top: -160px;width: 100%;font-size: 60px;font-weight: 100;text-align: center;color: rgba(175, 47, 47, .8);-webkit-text-rendering: optimizeLegibility;-moz-text-rendering: optimizeLegibility;text-rendering: optimizeLegibility;
}.new-todo,
.edit {position: relative;margin: 0;width: 100%;font-size: 24px;font-family: inherit;font-weight: inherit;line-height: 1.4em;border: 0;color: inherit;padding: 6px;border: 1px solid #999;box-shadow: inset 0 -1px 5px 0 rgba(0, 0, 0, 0.2);box-sizing: border-box;-webkit-font-smoothing: antialiased;-moz-osx-font-smoothing: grayscale;
}.new-todo {padding: 16px;border: none;background: rgba(0, 0, 0, 0.003);box-shadow: inset 0 -2px 1px rgba(0, 0, 0, 0.03);
}.main {position: relative;z-index: 2;border-top: 1px solid #e6e6e6;
}.toggle-all {width: 1px;height: 1px;border: none;/* Mobile Safari */opacity: 0;position: absolute;right: 100%;bottom: 100%;
}.toggle-all+label {width: 60px;height: 34px;font-size: 0;position: absolute;top: -52px;left: -13px;-webkit-transform: rotate(90deg);transform: rotate(90deg);
}.toggle-all+label:before {content: "❯";font-size: 22px;color: #e6e6e6;padding: 10px 27px 10px 27px;
}.toggle-all:checked+label:before {color: #737373;
}.todo-list {margin: 0;padding: 0;list-style: none;max-height: 420px;overflow: auto;
}.todo-list li {position: relative;font-size: 24px;border-bottom: 1px solid #ededed;height: 60px;box-sizing: border-box;
}.todo-list li:last-child {border-bottom: none;
}.todo-list .view .index {position: absolute;color: gray;left: 10px;top: 20px;font-size: 16px;
}.todo-list li .toggle {text-align: center;width: 40px;/* auto, since non-WebKit browsers doesn't support input styling */height: auto;position: absolute;top: 0;bottom: 0;margin: auto 0;border: none;/* Mobile Safari */-webkit-appearance: none;appearance: none;
}.todo-list li .toggle {opacity: 0;
}.todo-list li .toggle+label {/*Firefox requires `#` to be escaped - https://bugzilla.mozilla.org/show_bug.cgi?id=922433IE and Edge requires *everything* to be escaped to render, so we do that instead of just the `#` - https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/7157459/*/background-image: url("data:image/svg+xml;utf8,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%2240%22%20height%3D%2240%22%20viewBox%3D%22-10%20-18%20100%20135%22%3E%3Ccircle%20cx%3D%2250%22%20cy%3D%2250%22%20r%3D%2250%22%20fill%3D%22none%22%20stroke%3D%22%23ededed%22%20stroke-width%3D%223%22/%3E%3C/svg%3E");background-repeat: no-repeat;background-position: center left;
}.todo-list li .toggle:checked+label {background-image: url("data:image/svg+xml;utf8,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%2240%22%20height%3D%2240%22%20viewBox%3D%22-10%20-18%20100%20135%22%3E%3Ccircle%20cx%3D%2250%22%20cy%3D%2250%22%20r%3D%2250%22%20fill%3D%22none%22%20stroke%3D%22%23bddad5%22%20stroke-width%3D%223%22/%3E%3Cpath%20fill%3D%22%235dc2af%22%20d%3D%22M72%2025L42%2071%2027%2056l-4%204%2020%2020%2034-52z%22/%3E%3C/svg%3E");
}.todo-list li label {word-break: break-all;padding: 15px 15px 15px 60px;display: block;line-height: 1.2;transition: color 0.4s;
}.todo-list li.completed label {color: #d9d9d9;text-decoration: line-through;
}.todo-list li .destroy {display: none;position: absolute;top: 0;right: 10px;bottom: 0;width: 40px;height: 40px;margin: auto 0;font-size: 30px;color: #cc9a9a;margin-bottom: 11px;transition: color 0.2s ease-out;
}.todo-list li .destroy:hover {color: #af5b5e;
}.todo-list li .destroy:after {content: "×";
}.todo-list li:hover .destroy {display: block;
}.todo-list li .edit {display: none;
}.todo-list li.editing:last-child {margin-bottom: -1px;
}.footer {color: #777;padding: 10px 15px;height: 20px;text-align: center;border-top: 1px solid #e6e6e6;
}.footer:before {content: "";position: absolute;right: 0;bottom: 0;left: 0;height: 50px;overflow: hidden;box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2), 0 8px 0 -3px #f6f6f6, 0 9px 1px -3px rgba(0, 0, 0, 0.2), 0 16px 0 -6px #f6f6f6, 0 17px 2px -6px rgba(0, 0, 0, 0.2);
}.todo-count {float: left;text-align: left;
}.todo-count strong {font-weight: 300;
}.filters {margin: 0;padding: 0;list-style: none;position: absolute;right: 0;left: 0;
}.filters li {display: inline;
}.filters li a {color: inherit;margin: 3px;padding: 3px 7px;text-decoration: none;border: 1px solid transparent;border-radius: 3px;
}.filters li a:hover {border-color: rgba(175, 47, 47, 0.1);
}.filters li a.selected {border-color: rgba(175, 47, 47, 0.2);
}.clear-completed,
html .clear-completed:active {float: right;position: relative;line-height: 20px;text-decoration: none;cursor: pointer;
}.clear-completed:hover {text-decoration: underline;
}.info {margin: 50px auto 0;color: #bfbfbf;font-size: 15px;text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);text-align: center;
}.info p {line-height: 1;
}.info a {color: inherit;text-decoration: none;font-weight: 400;
}.info a:hover {text-decoration: underline;
}/*Hack to remove background from Mobile Safari.Can't use it globally since it destroys checkboxes in Firefox
*/@media screen and (-webkit-min-device-pixel-ratio: 0) {.toggle-all,.todo-list li .toggle {background: none;}.todo-list li .toggle {height: 40px;}
}@media (max-width: 430px) {.footer {height: 50px;}.filters {bottom: 10px;}
}

Done

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