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【IMWeb训练营作业】1

2017-04-19 23:14 375 查看

最终运行效果图

html代码

<!DOCTYPE html>
<html>

<head>
<meta charset="utf-8">
<title>作业</title>
<link rel="stylesheet" type="text/css" href="index.css" />
<script src="vue.js" type="text/javascript" charset="utf-8"></script>
</head>

<body>
<div class="page-top">
<div class="page-content">
<h2>任务计划列表</h2>
</div>
</div>
<div class="main">
<h3 class="big-title">添加任务：</h3>
<input placeholder="例如：吃饭睡觉打豆豆；按回车即可提交" class="task-input" type="text" v-model="todo" v-on:keyup.13="addTodo" />
<ul class="task-count" v-show="list.length">
<li>{{noCheckeLength}}个任务未完成</li>
<li class="action" id="tab">
<a class="active" href="#all">所有任务</a>
<a href="#unfinished">未完成的任务</a>
<a href="#finished">完成的任务</a>
</li>
</ul>
<h3 class="big-title">任务列表：</h3>
<div class="tasks">

<span class="no-task-tip" v-show="!list.length">还没有添加任何任务</span>
<ul class="todo-list">
<li class="todo" :class="{completed: item.isChecked,editing: item === edtorTodos}" v-for="item in filteredList">
<div class="view">
<input class="toggle" type="checkbox" v-model="item.isChecked" />
<label @dblclick="edtorTodo(item)">{{ item.title }}</label>
<button class="destroy" @click="deleteTodo(item)"></button>
</div>
<input v-foucs="edtorTodos === item" class="edit" type="text" v-model="item.title" @blur="edtorTodoed(item)" @keyup.13="edtorTodoed(item)" @keyup.esc="cancelTodo(item)" />
</li>
</ul>
</div>
</div>
<script src="app.js" type="text/javascript" charset="utf-8"></script>
</script>
</body>

</html>

JS代码

//存取localStorage中的数据
var store = {
save(key, value) {
localStorage.setItem(key, JSON.stringify(value));
},
fetch(key) {
return JSON.parse(localStorage.getItem(key)) || [];
}
}

//取出所有的值
var list = store.fetch("miaov-new-class");
//过滤的时候有三种情况 all finished unfinished
var filter = {
all: function(list) {
return list;
},
finished: function(list) {
return list.filter(function(item) {
return item.isChecked;
})
},
unfinished: function() {
return list.filter(function(item) {
return !item.isChecked;
})
}
}

var vm = new Vue({
el: ".main",
data: {
list: list,
todo: "",
edtorTodos: '', //记录正在编辑的数据
beforeTitle: '', //记录正在编辑的数据的title
visibility: "all" //通过这个属性值的变化对数据进行筛选
},
watch: {
//监控list这个属性，当这个属性对应的值发生变化就会执行函数
list: {
handler: function() {
store.save("miaov-new-class", this.list);
},
deep: true
}
},
computed: {
noCheckeLength: function() {
return this.list.filter(function(item) {
return !item.isChecked
}).length
},
filteredList: function() {
//找到了过滤函数，就返回过滤后的数据；如果没有返回所有数据
return filter[this.visibility] ? filter[this.visibility](list) : list;
}
},
methods: {
addTodo() { //添加任务
this.list.push({
title: this.todo,
isChecked: false
});
this.todo = '';
},
deleteTodo(todo) { //删除任务
var index = this.list.indexOf(todo);
this.list.splice(index, 1);
},
edtorTodo(todo) { //编辑任务
console.log(todo);
//编辑任务的时候，记录一下编辑这条任务的title，方便在取消编辑的时候重新给之前的title
this.beforeTitle = todo.title;
this.edtorTodos = todo;
},
edtorTodoed(todo) { //编辑任务成功
this.edtorTodos = '';
},
cancelTodo(todo) { //取消编辑任务
todo.title = this.beforeTitle;
this.beforeTitle = '';
//让div显示出来，input隐藏
this.edtorTodos = '';
}
},
directives: {
"foucs": {
update(el, binding) {
if(binding.value) {
el.focus();
}
}
}
}
});

function watchHashChange() {
var hash = window.location.hash.slice(1);
vm.visibility = hash;
}
watchHashChange();

window.addEventListener("hashchange", watchHashChange);
new Vue({
el:'.top_bar',
data:{
selected: null
},
methods:{
choose:function (index) {
this.selected = index
}
}
});

css代码

body {
    margin:0;
    background-color: #fafafa;
    font: 14px 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

h2{
    margin:0;
    font-size: 12px;
}
a {
    color: #000;
    text-decoration: none;
}

input {
    outline: 0;
}

button {
    margin: 0;
    padding: 0;
    border: 0;
    background: none;
    font-size: 100%;
    vertical-align: baseline;
    font-family: inherit;
    font-weight: inherit;
    color: inherit;
    outline: 0;
}

ul {
    padding:0;
    margin:0;
    list-style: none;
}

.page-top {
    width: 100%;
    height: 40px;
    background-color: #db4c3f;
}

.page-content {
    width: 50%;
    margin: 0px auto;
}

.page-content h2{
    line-height: 40px;
    font-size: 18px;
    color: #fff;
}

.main {
    width: 50%;
    margin: 0px auto;
    box-sizing:border-box;
}

.task-input {
    width: 99%;
    height:30px;
    outline: 0;
    border: 1px solid #ccc;
}

.task-count{
    display: flex;
    margin:10px 0;
}

.task-count li {
    padding-left: 10px;
    flex: 1;
    color: #dd4b39;
}

.task-count li:nth-child(1){
    padding: 5px 0 0 10px;
}

.action {
    text-align: center;
    display: flex;
}
.action a {
    margin: 0px 10px;
    flex: 1;
    padding: 5px 0;
    color: #777;

}

.action a:nth-child(3){
    margin-right: 0;
}

.active {
    border: 1px solid rgba(175, 47, 47, 0.2);
}

.tasks {
    background-color: #fff;
}
.no-task-tip {
    padding:10px 0 10px 10px;
    display: block;
    border-bottom: 1px solid #ededed;
    color:#777;
}

.big-title {
    color: #222;
}

.todo-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.todo-list li {
    position: relative;
    font-size: 16px;
    border-bottom: 1px solid #ededed;
}

.todo-list li:hover {
    background-color: #fafafa;
}

.todo-list li.editing {
    border-bottom: none;
    padding: 0;
}

.todo-list li.editing .edit {
    display: block;
    width: 506px;
    padding: 13px 17px 12px 17px;
    margin: 0 0 0 43px;
}

.todo-list li.editing .view {
    display: none;
}

.todo-list li .toggle {
    text-align: center;
    width: 40px;
    /* auto, since non-WebKit browsers doesn't support input styling */
    height: auto;
    position: absolute;
    top: 5px;
    bottom: 0;
    margin: auto 0;
    border: none; /* Mobile Safari */
    -webkit-appearance: none;
    appearance: none;
}

.toggle {
    text-align: center;
    width: 40px;
    /* auto, since non-WebKit browsers doesn't support input styling */
    height: auto;
    position: absolute;
    top: 5px;
    bottom: 0;
    margin: auto 0;
    border: none; /* Mobile Safari */
    -webkit-appearance: none;
    appearance: none;
}

 .toggle:after {
    content: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" viewBox="-10 -18 100 135"><circle cx="50" cy="50" r="40" fill="none" stroke="#ededed" stroke-width="3"/></svg>');
}

.toggle:checked:after {
    content: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" viewBox="-10 -18 100 135"><circle cx="50" cy="50" r="40" fill="none" stroke="#bddad5" stroke-width="3"/><path fill="#5dc2af" d="M72 25L42 71 27 56l-4 4 20 20 34-52z"/></svg>');
}

.todo-list li label {
    white-space: pre-line;
    word-break: break-all;
    height: 50px;
    line-height: 50px;
    margin-left: 45px;
    display: block;
    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;
}

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