css样式
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;
border: 0px;
line-height: 14px;
text-indent: 5px;
font-size: 14px;
}
li p input:focus {
outline: 1px solid black;
}
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
<!DOCTYPE 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">
<style>
.change {
border: none;
outline: none;
}
</style>
</head>
<body>
<header>
<section>
<form action="" id="form" onclick="">
<label for="title">ToDoList</label>
<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();">clear</a>
</footer>
<script src="./index2.js"></script>
</body>
</html>js
var title = document.querySelector('#title')
var ol = document.querySelector('#todolist')
var ul = document.querySelector('#donelist')
load()
// 存储数据
title.addEventListener('keydown', function (e) {
var arr = getData(); //在获取数据的基础上 拿到数组
if (e.keyCode == 13) {
var todo = {
title: title.value,
done: false
}
arr.push(todo)
saveData(arr)
var form = document.querySelector('#form')
form.reset() //重置表单为空 让表单返回默认值
load()
}
})
//获取数据
function getData() {
var data = window.localStorage.getItem('todo')
if (data != null) {
return JSON.parse(data)
} else {
return []
}
}
//存储数据
function saveData(tdlist) {
window.localStorage.setItem('todo', JSON.stringify(tdlist))
}
//加载数据
function load() {
var todoCount = document.querySelector('#todocount')
var doneCount = document.querySelector('#donecount')
var todocount = 0;
var donecount = 0;
// 删除原来的子节点
var olchilds = ol.childNodes;
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();
data.forEach((item,index) => {
var li = document.createElement('li');
li.innerHTML = `<input type="checkbox"><p id="p${index}">${item.title}</p><a href="javascript:;" id="${index}">-</a>`
if (item.done) {
ul.insertBefore(li, ul.children[0])
li.children[0].checked = 'checked'
donecount++
} else {
ol.insertBefore(li, ol.children[0])
todocount++
}
})
todoCount.innerText = todocount
doneCount.innerText = donecount
}
//编辑数据
function edit(){
ol.addEventListener('click',function(e){
var p = e.target
if(p.nodeName == 'P'){
p.innerHTML = `<input type="text" value="${p.innerText}" id="input${p.id}"/>`
p.children[0].select()
p.children[0].addEventListener('blur',function(){
var data = getData()
var i = p.id.substring(1)
data[i].title = this.value
saveData(data)
load();
})
}
})
}
edit()
//删除数据
function remove(){
ol.addEventListener('click',function(e){
var a = e.target
if(a.nodeName == 'A'){
var i = a.id
var data = getData()
data.splice(i,1)
saveData(data)
load()
}
})
ul.addEventListener('click', function (e) {
var a = e.target
if (a.nodeName == 'A') {
var i = a.id
var data = getData()
data.splice(i, 1)
saveData(data)
load()
}
})
}
remove()
//切换正在进行和完成
function change() {
ol.addEventListener('click', function (e) {
var input = e.target
if (input.nodeName == 'INPUT') {
var i = input.nextElementSibling.nextElementSibling.id
// console.log(i);
var data = getData()
data[i].done = true
saveData(data)
load()
}
})
ul.addEventListener('click', function (e) {
var input = e.target
if (input.nodeName == 'INPUT') {
var i = input.nextElementSibling.nextElementSibling.id
console.log(i);
var data = getData()
data[i].done = false
saveData(data)
load()
}
})
}
change()