用vue做todolist

<template>
  <div class="hello">
      <div style="height:25px;line-height:25px;color:#a26777">This is Todos</div>
       <input type="text" style="width: 100%;height: 30px;border: 1px solid #a26777;padding: 0 3px;
    box-sizing: border-box;" v-model="getActivity" placeholder="宝贝,请输入你的日常计划~"  @keyup.enter="onEnter">
       <ul>
          <li style="width:100%;background-color:#87d1d0;height:25px;margin:0;border:1px solid white;line-height:25px" :class="{becomeRed:item.isfinished}" @click="todos(item)" v-for="(item,index) in todoList" :key="index">{{item.eat}}
            <span style="float: right;" @click="deleteMe(index)">delete!</span>
          </li>
       </ul>
       <div @click="checkAll()" style="width: 30%;margin: 0 auto;background-color: #a26777;height: 25px;line-height: 25px;border-radius:4px;color:white" :class="{checkedColor:checkedOrNot}">Check all</div>
       <div style="margin-top: 10px; width: 50%;margin: 10px auto; background-color: #a26777;height: 25px;line-height: 25px;
    border-radius:4px;color:white" v-if="getTheChange" >{{numleft}}</div>
     <div style="margin-top: 10px; width: 50%;margin: 10px auto; background-color: #a26777;height: 25px;line-height: 25px;
    border-radius:4px;color:white" v-if="!getTheChange"  @click="deleteAll()" >Delete completed</div>
    <div style="border-bottom:1px dashed #a26777"></div>
    <div style="width:50px;height:50px;border-radius:25px;line-height:50px;color:white;text-align:center;background-color:#a26777;font-size:12px;margin:10px auto;background:linear-gradient(to right, #87D1D0 , #a26777);" @click="toRecord">
        Records
    </div>
  </div>
</template>

<script>
import Store from './store.js'
import router from '../router/index.js'
export default {
  data () {
    return {
      getActivity:'',
      todoList:Store.fetch()||[],
      checked:false,
      checked2:false,
      numleft:Store.fetch().length+'times left',//这个是获取缓存里面有多少项没有完成
      newIndex:0,
      getTheChange:true,
      checkedList:[],
      checkedOrNot:false,
      count:0,
      allList:Store.fetchAll()||[],//注意了,Store.fetchAll()如果不写的话,让你从第一个页面进入第二个,再进入第一个页面输入enter时,会重新计算
      getTime:''
    }
  },
  methods:{
    //这个表示我想选中这个项来删除,实在是不想做圆圈的样式,宝宝们懂就好~
    todos:function (item){
      item.isfinished=!item.isfinished
    },
    //你enter的时候,就会多一项,你要完成的东东
    onEnter:function () {   
        this.todoList.push ({  //这里的存储是为了时时更新所有显示的list的状态
          eat:this.getActivity,
          isfinished:false
        }) 
        this.allList.push({  //为了第二个页面去获取你所有写过的list
            eat:this.getActivity,
            isfinished:false,
            time:this.getTime
        })
        this.getActivity='' //这里置空主要是为了好输入啦
    },
    deleteMe:function (index){ //删除某一项
      this.todoList.splice(index,1)
    },
    checkAll:function(){  //全选,全选可以表示已完成,欲删除的状态
      this.checkedOrNot=!this.checkedOrNot
      var _this=this
      if(_this.checkedOrNot){
        _this.todoList.forEach(element => {
            element.isfinished=true 
        });
      }else{
        _this.todoList.forEach(element => {
            element.isfinished=false 
        });
      }  
    },
  deleteAll:function (){//删除所有的,就是将整个数据做一个删选,文字变白就表示欲删除,将不需要删除的 (isfinished==false)留下来
       this.checked=true
       this.todoList= this.todoList.filter((element)=>{
         return element.isfinished==false;
       })
    },
    getSomeInit:function(){//只有有欲删除的,会显示deleted completed,没有就显示num+times left
       this.checkedList=this.todoList.filter((element)=>{
         return element.isfinished==false;
       })    
        if(this.checkedList<this.todoList){
           this.getTheChange=false;
        }else{
           this.getTheChange=true;
        }
    },
    toRecord:function (){  
       router.push({ path: `/loginDetail` }) 
    },
    getNow:function(){  //这里是当前时间的转化,存到内存里面去,在第二个页面显示
        var date = new Date();
        var year = date.getFullYear();
        var month = date.getMonth() + 1;
        var day = date.getDate();
        if (month < 10) {
            month = "0" + month;
        }
        if (day < 10) {
            day = "0" + day;
        }
        this.getTime= year + "-" + month + "-" + day;
    }
  },
  watch:{
    todoList:{
      handler:function (item) {
        Store.setSome(item)
        this.index=item.length
        this.numleft=this.index+'times left' 
        this.checkedList=this.todoList.filter((element)=>{
         return element.isfinished==false;
        })    
        if(this.checkedList<this.todoList){
           this.getTheChange=false;
        }else{
           this.getTheChange=true;
        }  
      },
      deep:true  //必须要加
    },
    allList:{
       handler:function (item) {
           Store.setAllSome(item)
      },
      deep:true
    }
  },
  created:function () {
    this.getSomeInit()
    this.getNow()
  }
}
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
.becomeRed{
  color:white;
}
h1, h2 {
  font-weight: normal;
}
ul {
  list-style-type: none;
  padding: 0;
}
li {
  display: inline-block;
  margin: 0 10px;
}
a {
  color: #42b983;
}
@import "../assets/var.less";
@loading-bar-color: @color-white;
.checkedColor{
  color:white;
}
#loadingbar {
  position: fixed;
  z-index: 2147483647;
  top: 100px;
  left: -6px;
  width: 1%;
  height: 2px;
  background: @loading-bar-color;
  -moz-border-radius: 1px;
  -webkit-border-radius: 1px;
  border-radius: 1px;
  -moz-transition: all 500ms ease-in-out;
  -ms-transition: all 500ms ease-in-out;
  -o-transition: all 500ms ease-in-out;
  -webkit-transition: all 500ms ease-in-out;
  transition: all 500ms ease-in-out;
}
.checkedColor,.checked2{
  color:white;
}
#loadingbar.left {
  left: 100%;
  right: 0px;
  width: 100%;
}

#loadingbar.up {
  left: 0px;
  top: 100%;
  width: 5px;
  bottom: 0px;
  height: 100%;
}

#loadingbar.down {
  left: 0;
  width: 5px;
  height: 0;
}

#loadingbar.waiting dd, #loadingbar.waiting dt {
  -moz-animation: pulse 2s ease-out 0s infinite;
  -ms-animation: pulse 2s ease-out 0s infinite;
  -o-animation: pulse 2s ease-out 0s infinite;
  -webkit-animation: pulse 2s ease-out 0s infinite;
  animation: pulse 2s ease-out 0s infinite;
}

#loadingbar dt {
opacity: .6;
width: 180px;
right: -80px;
clip: rect(-6px,90px,14px,-6px);
}

#loadingbar dd {
  opacity: .6;
  width: 20px;
  right: 0;
  clip: rect(-6px,22px,14px,10px);
}

#loadingbar dd, #loadingbar dt {
  position: absolute;
  top: 0;
  height: 2px;
  -moz-box-shadow: rgb(255, 156, 50) 1px 0 6px 1px;
  -ms-box-shadow: rgb(255, 156, 50) 1px 0 6px 1px;
  -webkit-box-shadow: rgb(255, 156, 50) 1px 0 6px 1px;
  box-shadow: rgb(255, 156, 50) 1px 0 6px 1px;
  -moz-border-radius: 100%;
  -webkit-border-radius: 100%;
  border-radius: 100%;
}

#loadingbar.left dt {
opacity: .6;
width: 180px;
left: -4px;
clip: rect(-6px,185px,14px,25px);
}

#loadingbar.left dd {
  opacity: .6;
  width: 20px;
  left: 0;
  margin: 0;
  clip: rect(-6px,22px,14px,0px);
}

#loadingbar.left dd, #loadingbar.left dt {
  top: 0;
  height: 2px;
}

#loadingbar.down dt {
  opacity: .6;
  height: 180px;
  top: auto;
  bottom: -47px;
  clip: rect(-6px,20px,130px,-6px);
}

#loadingbar.down dd {
  opacity: .6;
  height: 20px;
  top: auto;
  bottom: 0;
  clip: rect(-6px,22px,20px,10px);
  margin: 0;
}

#loadingbar.down dd, #loadingbar.down dt {
  left: -5px;
  right: auto;
  width: 10px;
}

#loadingbar.up dt {
  opacity: .6;
  height: 180px;
  bottom: auto;
  top: -10px;
  clip: rect(13px,20px,190px,-6px);
}

#loadingbar.up dd {
  opacity: .6;
  height: 20px;
  bottom: auto;
  top: 0;
  clip: rect(-6px,22px,25px,10px);
  margin: 0;
}

#loadingbar.up dd, #loadingbar.up dt {
  left: -5px;
  right: auto;
  width: 10px;
}

@keyframes pulse {
  30% { opacity:0.6; }
  60% { opacity:0; }
  100% { opacity:0.6; }
}

@-moz-keyframes pulse 
{
  30% { opacity:0.6; }
  60% { opacity:0; }
  100% { opacity:0.6; }
}

@-ms-keyframes pulse 
{
  30% { opacity:0.6; }
  60% { opacity:0; }
  100% { opacity:0.6; }
}

@-webkit-keyframes pulse 
{
  30% { opacity:0.6; }
  60% { opacity:0; }
  100% { opacity:0.6; }
}

.loadingbar-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
}

.loadingbar-wrapper::after {
  position: absolute;
  right: 5px;
  top: 10px;
  z-index: 1001;
  content: '';
  width: 16px;
  height: 16px;
  border-radius: 100%;
  -webkit-animation-fill-mode: both;
          animation-fill-mode: both;
  border: 2px solid @loading-bar-color;
  border-bottom-color: transparent;
  -webkit-animation: rotate 0.75s 0s linear infinite;
          animation: rotate 0.75s 0s linear infinite;
}

@keyframes rotate {
  0% {
    -webkit-transform: rotate(0deg);
            transform: rotate(0deg); }
  100% {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg) } 
}
</style>

store.js

const store_Key='todolist'
const store_all_key='allTodolist'
export default{
    fetch (){
        return JSON.parse(window.localStorage.getItem(store_Key)||'[]')
    },
    fetchAll() {
        return JSON.parse(window.localStorage.getItem(store_all_key) || '[]')
    },
    setSome(item){
        window.localStorage.setItem(store_Key, JSON.stringify(item)) 
    },
    setAllSome(item){
        window.localStorage.setItem(store_all_key, JSON.stringify(item))  
    }
}

router/index.js

import Vue from 'vue'
import Router from 'vue-router'
import HelloWorld from '@/components/HelloWorld'
import loginDetail from '@/components/loginDetail'


Vue.use(Router)

export default new Router({
  routes: [
    {
      path: '/',
      name: 'HelloWorld',
      component: HelloWorld
    },
    {
      path: '/loginDetail',
      name: 'loginDetail',
      component: loginDetail
    }
  ]
})

这个功能有点仿小程序高校todos,后面的储存记录在状态上没有做处理~
实现了什么?
1.全部删除
2.单个删除
3.欲删除的状态的下面文字的变化
4.怎么把所有的数据存储起来
具体的都写在了那个里面

要是不足之处,欢迎指正~

多运动,记得提前养发,劳逸结合-_-