css:
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:
<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>
JavaScript:
loadData()
var input = document.querySelector('input');
var ollist = document.querySelector('#todolist');
var ullist = document.querySelector('#donelist');
input.onkeydown = function(e) {
if (e.keyCode === 13) {
if (input.value == '') {
return
} else {
var todolist = {
title: input.value,
done: false
}
var arr = getData();
arr.push(todolist)
saveData(arr)
}
}
}
//获取数据并储存
function getData() {
var data = window.localStorage.getItem('todo')
if (data) {
return JSON.parse(data);
} else {
return [];
}
}
//添加数据到列表
function loadData() {
var data = getData()
var ollist = document.querySelector('#todolist');
var ullist = document.querySelector('#donelist');
var todoCount = document.querySelector('#todocount');
var doneCount = document.querySelector('#donecount');
var todocount = 0;
var donecount = 0;
//删除子节点的方法
var childs = ollist.childNodes;
for (var i = childs.length - 1; i >= 0; i--) {
ollist.removeChild(childs[i]);
}
var ulchilds = ullist.childNodes;
for (var i = ulchilds.length - 1; i >= 0; i--) {
ullist.removeChild(ulchilds[i]);
}
data.forEach((item, index) => {
var li = document.createElement('li') //生成li
li.innerHTML = "<input type='checkbox' class='change'/><p id='p" + index + "'>" + item.title +
"</p><a href='javascript:;' id=" + index + ">-</a>"
if (item.done) {
//已完成
ullist.insertBefore(li, ullist.children[0])
li.children[0].checked = 'checked'
donecount++
} else {
//正在进行中
ollist.insertBefore(li, ollist.children[0])
todocount++
}
todoCount.innerText = todocount;
doneCount.innerText = donecount;
})
}
//储存数据
function saveData(arr) {
return window.localStorage.setItem('todo', JSON.stringify(arr))
}
//删除数据
function removeData() {
ollist.addEventListener('click', function(e) {
if (e.target.nodeName === 'A') { //找到对应的元素节点属性
var index = e.target.getAttribute('id')
console.log(index);
var data = getData()
data.splice(index, 1)
saveData(data)
loadData()
}
}, false)
}
removeData()
//编辑数据
function editData() {
ollist.addEventListener('click', function(e) {
if (e.target.nodeName === 'P') {
var id = e.target.getAttribute('id')
var p = document.getElementById(id)
console.log(p);
//替换p中的innerHTML
var title = p.innerHTML
p.innerHTML = "<input type='text' value='" + title + "' id=input" + id + "'/>"
//失去焦点的时候
var input = document.getElementById('input' + id)
input.select()
input.addEventListener('blur', function() {
if (input.value != '') {
p.innerHTML = input.value //把input的value值赋值给p.innerHTML储存新的p.innerHTML
var data = getData()
var index = id.substring(1) //获取当前修改的索引值
data[index].title = p.innerHTML
saveData(data) //储存新的p.innerHTML
loadData()
} else {
return;
}
}, false)
}
})
}
editData()
//切换数据
function changeData() {
ollist.addEventListener('click', function(e) {
if (e.target.className === 'change') {
console.log(e.target);
if (e.target.nextElementSibling.nextElementSibling) {
console.log(e.target.nextElementSibling);
var id = e.target.nextElementSibling.nextElementSibling.getAttribute('id')
var data = getData()
data[id].done = true
saveData(data) //储存新的p.innerHTML
loadData()
}
}
})
ullist.addEventListener('click', function(e) {
if (e.target.className === 'change') {
var id = e.target.nextElementSibling.nextElementSibling.getAttribute('id')
console.log(id);
var data = getData()
data[id].done = false
saveData(data) //储存新的p.innerHTML
loadData()
}
})
}
changeData()