vue入门test

来源：互联网发布：abs点胶机300ds编程编辑：程序博客网时间：2024/05/28 05:18

<!DOCTYPE html>

<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" href="index.css">
<script src="../vue.js"></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；提示：+回车即可添加任务" class="task-input" type="text"
v-model="todo"
v-on:keyup.enter="addTodo"/>
<ul class="task-count" v-show="list.length">
<li>{{noCheckLength}}
个任务未完成</li>
<li class="action">
<a href="#all"
:class="{active:visibility==='all'}"
>所有任务</a>
<a href="#unfinished"
:class="{active:visibility==='unfinished'}">未完成的任务</a>
<a href="#finished"
:class="{active:visibility==='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"
v-for="item in filteredList"
:class="{
completed : item.isChecked ,
editing: item === editorTodo}">
<div class="view">
<input type="checkbox" class="toggle"
v-model='item.isChecked'/>
<label
@dblclick="editTodo(item)">{{item.title}}</label>

<button class="destroy"
@click="deleteTodo(item)"></button>
</div>
<input class="edit"
v-model="item.title"
v-focus="editorTodo===item"
@blur="editorEnd(item)"
@keyup.13="editorEnd(item)"
@keyup.esc="cancelTodo(item)"/>
</li>

</ul>
</div>
</div>
<script>

var store={
save:function(key,value){
localStorage.setItem(key,JSON.stringify(value));
},
fetch:function(key){
return JSON.parse(localStorage.getItem(key));
}
//
}

var list=store.fetch("jiaData") ? store.fetch("jiaData") : [];
console.log(list)
/*[
{
title:"任务1",
isChecked:true,
},
{
title:"任务2",
isChecked:false,
},
]*/

var vm=new Vue({
el:".main",
data:{
list:list,
todo:"",//输入框内容
editorTodo:"",//记录正在编辑的数据
beforeTitle:"",//记录正在编辑的数据
visibility:"all",
//
},
watch:{
list:{
handler:function(){
store.save("jiaData",this.list);
},
deep:true
}
/*list:function(){
store.save("jiaData",this.list)
},*/
},
directives:{
"focus":{
update:function(el,binding){
//console.log(el,binding)
if(binding.value){
el.focus();
}

}
}
//
},
methods:{
//添加任务
addTodo:function(){

/*if(ev.keyCode===13){
this.list.push({
title:ev.target.value
})
}*/
this.list.push({
title:this.todo,
isChecked:false

})
this.todo=""
},
deleteTodo:function(item){
var index=this.list.indexOf(item);
this.list.splice(index,1)
},
editTodo:function(item){//编辑任务
console.log(item)
//记录原title，取消的时候恢复
this.beforeTitle=item.title;
this.editorTodo=item;
},
editorEnd:function(item){//编辑完毕
this.editorTodo="";

},
cancelTodo:function(item){//取消编辑任务
item.title=this.beforeTitle;
this.beforeTitle="";

//
this.editorTodo="";
},
//

},
computed:{
//没有完成的任务数
noCheckLength:function(){
return this.list.filter(function(v,i){
return v.isChecked==false
}).length
},
//hash字段加载
filteredList:function(){
//三种情况
var filter={
all:function(list){
return list;
},
finished:function(list){
return list.filter(function(v){
return v.isChecked;
})
},
unfinished:function(list){
return list.filter(function(v){
return !v.isChecked;
})
}
//
}

return filter[this.visibility] ? filter[this.visibility](this.list) : this.list

},
//
},

//

})

function watchHash(){
var hash=window.location.hash.slice(1);//去掉#
//console.log(hash);
vm.visibility=hash
console.log(hash)
}
window.addEventListener("hashchange",watchHash)

</script>
</body>

</html>

<style>

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;
padding: 15px 60px 15px 15px;
margin-left: 45px;
display: block;
line-height: 1.2;
transition: color 0.4s;
}

.todo-list li.completed label {
color: #d9d9d9;
text-decoration: line-through;
}

/*.tip-toggle {
padding-left: 0;
position: relative;
}

.tip-toggle .toggle {
top: -2px;
}

.tip-toggle span {
margin-left: 45px;
}*/

.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;
}

</style>

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