目录

由于系统限制,所以只能把css样式代码拿出来,有点丑,别介意哦!!!
body {
margin: 0;
padding: 0;
font-size: 16px;
background: #CDCDCD;
}
header {
height: 50px;
background: #333;
background: rgba(47, 47, 47, 0.98);
}
section {
margin: 0 auto;
}
label {
float: left;
width: 100px;
line-height: 50px;
color: #DDD;
font-size: 24px;
cursor: pointer;
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
header input {
float: right;
width: 60%;
height: 24px;
margin-top: 12px;
text-indent: 10px;
border-radius: 5px;
box-shadow: 0 1px 0 rgba(255, 255, 255, 0.24), 0 1px 6px rgba(0, 0, 0, 0.45) inset;
border: none
}
input:focus {
outline-width: 0
}
h2 {
position: relative;
}
span {
position: absolute;
top: 2px;
right: 5px;
display: inline-block;
padding: 0 5px;
height: 20px;
border-radius: 20px;
background: #E6E6FA;
line-height: 22px;
text-align: center;
color: #666;
font-size: 14px;
}
ol,
ul {
padding: 0;
list-style: none;
}
li input {
position: absolute;
top: 2px;
left: 10px;
width: 22px;
height: 22px;
cursor: pointer;
}
p {
margin: 0;
}
li p input {
top: 3px;
left: 40px;
width: 70%;
height: 20px;
line-height: 14px;
text-indent: 5px;
font-size: 14px;
}
li {
height: 32px;
line-height: 32px;
background: #fff;
position: relative;
margin-bottom: 10px;
padding: 0 45px;
border-radius: 3px;
border-left: 5px solid #629A9C;
box-shadow: 0 1px 2px rgba(0, 0, 0, 0.07);
}
ol li {
cursor: move;
}
ul li {
border-left: 5px solid #999;
opacity: 0.5;
}
li a {
position: absolute;
top: 2px;
right: 5px;
display: inline-block;
width: 14px;
height: 12px;
border-radius: 14px;
border: 6px double #FFF;
background: #CCC;
line-height: 14px;
text-align: center;
color: #FFF;
font-weight: bold;
font-size: 14px;
cursor: pointer;
}
footer {
color: #666;
font-size: 14px;
text-align: center;
}
footer a {
color: #666;
text-decoration: none;
color: #999;
}
@media screen and (max-device-width: 620px) {
section {
width: 96%;
padding: 0 2%;
}
}
@media screen and (min-width: 620px) {
section {
width: 600px;
padding: 0 10px;
}
}
- html>
- <html>
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
- <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
- <title>ToDoList—最简单的待办事项列表title>
- <meta name="description" content="ToDoList无须注册即可使用,数据存储在用户浏览器的html5本地数据库里,是最简单最安全的待办事项列表应用!" />
- <link rel="stylesheet" href="./index.css">
- head>
- <body>
- <header>
- <section>
- <form action="" id="form" onclick="">
- <label for="title">ToDoListlabel>
- <input type="text" id="title" name="title" placeholder="添加ToDo" required="required"
- autocomplete="off" />
- form>
- section>
- header>
- <section>
- <h2>正在进行 <span id="todocount">span>h2>
- <ol id="todolist" class="demo-box">
- ol>
- <h2>已经完成 <span id="donecount">span>h2>
- <ul id="donelist">
- ul>
- section>
- <footer>
- Copyright © 2014 todolist.cn <a href="javascript:clear();">cleara>
- footer>
- <script type="text/javascript" src="./index.js">script>
- body>
- html>
- //获取元素
- var title = document.querySelector('#title');
- var ol = document.querySelector('#todolist');
- var ul = document.querySelector('#donelist');
- load();
-
- //键盘点击事件
- title.addEventListener('keydown', function (e) {
- var arr = getData(); //再获取数据的基础上拿到数组
- if (e.keyCode == 13) {
- var todo = {
- title: title.value, //把表单值赋给title
- done: false, //后面上下数据交换使用
- }
- arr.push(todo); //把数据放到数组中
- // console.log(arr);
- saveData(arr); //存储数据
- var form = document.querySelector('#form'); //让表单返回默认值
- form.reset();
- load();
- }
- })
-
- //获取数据
- function getData() {
- var data = window.localStorage.getItem('todo'); //得到todo中存储的数据
- if (data != null) {
- return JSON.parse(data); //数据转化类数组,对象
- } else {
- return [];
- }
- }
-
- //存储数据
- function saveData(tdlist) {
- window.localStorage.setItem('todo', JSON.stringify(tdlist)); //存储数据和将数组转化为字符串
- }
-
- //显示数据
- function load() {
- var todoCount = document.querySelector('#todocount');
- var doneCount = document.querySelector('#donecount');
- var todocount = 0;
- var donecount = 0;
-
- //删除节点
- var olchilds = ol.childNodes; //ol全部子节点
- for (var i = olchilds.length - 1; i >= 0; i--) {
- ol.removeChild(olchilds[i]);
- }
- var ulchilds = ul.childNodes;
- for (var i = ulchilds.length - 1; i >= 0; i--) {
- ul.removeChild(ulchilds[i]);
- }
-
-
- var data = getData(); //获取之前数据
- data.forEach((item, index) => { //遍历data
- var li = document.createElement('li'); //创建li节点
- if (item.done) { //为实现数据数量
- ul.insertBefore(li, ul.children[0]);//在ul前添加数据让输入数据从第一个开始输入
- li.children[0].checked = 'checked' //ul里的li默认选中
- donecount++; //每执行一次加一
- } else {
- ol.insertBefore(li, ol.children[0]);//在ol前添加数据让输入数据从第一个开始输入
- todocount++; //每执行一次加一
- }
- });
- todoCount.innerText = todocount; //将次数输出到页面
- doneCount.innerText = donecount;
- }
- //编辑数据
- function edit() {
- ol.addEventListener('click', function (e) { //表单内容的输入点击事件
- var p = e.target; //e.target点击结果为每个的属性(INPUT,P...)
- // console.log(p.nodeName);
- if (p.nodeName == 'P') { //寻找P的点击的元素
- p.innerHTML = `${p.innerText}" id="input${p.id}"/>`; //给P添加内容
- // p.children[0].select();
- p.children[0].addEventListener('blur', function () { //失焦
- var data = getData(); //获取数据
- var i = p.id.substring(1); //截取字符串 原p1 => p
- data[i].title = this.value; //赋值
- saveData(data); //存储
- load(); //页面显示
- })
- }
- })
- }
- edit();
-
- //删除数据
- function remove() {
- ol.addEventListener('click', function (e) { //ol的点击事件
- var a = e.target; //与上部分同理
- if (a.nodeName == 'A') { //选取A
- var i = a.id;
- var data = getData(); //拿取数据
- data.splice(i, 1); //删除数据
- saveData(data); //存储
- load(); //页面显示
- }
-
- })
- }
- remove();
-
- //切换数据
- function change() {
- ol.addEventListener('click', function (e) { //点击input表单前面的选项
- var input = e.target;
- if (input.nodeName == 'INPUT') {
- var i = input.nextElementSibling.nextElementSibling.id; //获取点击的id
- var data = getData(); //拿取数据
- data[i].done = true; //切换
- saveData(data);
- load();
- }
- })
- ul.addEventListener('click', function (e) {
- var input = e.target;
- if (input.nodeName == 'INPUT') {
- var i = input.nextElementSibling.nextElementSibling.id;
- var data = getData();
- data[i].done = false;
- saveData(data);
- load();
- }
- })
- }
- change();