苏州免费网站制作,卢松松网站怎么做,seo是指通过,重庆装修论坛TodoList主要是包含了CRUD功能#xff0c;本地存储功能#xff08;loaclStorage#xff09;总结#xff1a;全选按纽可以通过forEach循环来讲数据中的isCheck中的false删除实现就通过传递id#xff0c;然后根据filter循环将符合条件的数据返回成数组#xff0c;然后将返回…TodoList主要是包含了CRUD功能本地存储功能loaclStorage总结全选按纽可以通过forEach循环来讲数据中的isCheck中的false删除实现就通过传递id然后根据filter循环将符合条件的数据返回成数组然后将返回值赋给原数据时间的获取可以通过dayjs插件来获取首先 npm install dayjs -s来安装插件然后在组件中通过import dayjs from dayjs来导入插件最后通过dayjs(new Date).format(YY-MM-DD HH:MM)来获取时间随机数的获取 randomId(){return Number(Math.random().toString().substring(2,0)Date.now()).toString(10)},在CSS中有个知识点可以参考将元素居中使用如下的办法position: absolute;top: 50%;left: 50%;transform: translate(-50%,-50%);获取input框的焦点当我们点击添加按钮后需要将光标放置到input框中这时我们需要聚焦首先在input框中添加ref属性input typetext refinputBox b. 然后在添加按钮中添加聚焦的方法 const inputLenth this.todoList.length - 1 console.log(inputLenth);this.$nextTick((){this.$refs.inputBox[inputLenth].focus()})在这段代码中需要注意的是我们要获取的是数组中最后一条数据因为index下标从0开始所以记着给length-1本地存储则是通过localStorage.getItem和localStorage.setItem来实现HTML代码templatediv classtodoListBoxdiv classheaderdiv classheader_leftdiv/divh2Todo List/h2/divdiv classheader_rightbutton classallBtn clickallSelect全选/buttonbutton classaddBtn clickaddText添加/button/div/divdiv classcontainerdiv classcontainer_item v-for(item,index) in todoList :keyitem.id!-- 选中 --div classcontainer_left clickselectText(item.id,index)span :styleitem.isCheck?opacity:1:opacity:0/span/div!-- 输入框 --input typetext v-modelitem.content:disableditem.isCheck:classitem.isCheck ? line-through: blurhandleInputrefinputBox!-- info --div classcontainer_right!-- 时间 --p{{item.time}}/pbutton clickdelText(item.id)删除/button/div/div/div/div
/templateJS代码script
import dayjs from dayjs
export default {data(){return{todoList:[]}},created(){let newList JSON.parse(window.localStorage.getItem(TodoList))if(newList null){this.todoList [{id:this.randomId(),content:请点击上方的添加按钮添加事件,isCheck:false,time:dayjs(new Date).format(YY-MM-DD HH:mm)}]}else{this.todoList newList}},methods:{allSelect(){this.todoList.forEach(item{item.isCheck !item.isCheck})this.storage()},addText(){this.todoList.unshift({id:this.randomId(),isCheck:false,content:,time:dayjs(new Date).format(YY-MM-DD HH:mm)})const inputLenth this.todoList.length - 1 console.log(inputLenth);this.$nextTick((){this.$refs.inputBox[inputLenth].focus()})},delText(id){const result this.todoList.filter(function(item){return item.id !id})this.todoList resultthis.storage()},//选中功能selectText(id,index){const doneItem this.todoList.find(itemitem.id id)doneItem.isCheck !doneItem.isCheckthis.storage()},//判断是否完成输入handleInput(){this.storage()},//生成随机IdrandomId(){return Number(Math.random().toString().substring(2,0)Date.now()).toString(10)},storage(){window.localStorage.setItem(TodoList,JSON.stringify(this.todoList))}},}
/scriptCSS代码style langscss scoped
button{padding: 5px 10px;border: none;border-radius: 5px;color: #fff;margin-left: 10px;}.todoListBox{width: 800px;height: 600px;background-color: #3C3E4F;border-radius: 10px;position: absolute;top: 50%;left: 50%;transform: translate(-50%,-50%);padding: 20px;box-sizing: border-box;color: white;.header{display: flex;flex-direction: row;justify-content: space-between;align-items: center;.header_left{display: flex;flex-direction: row;justify-content: space-between;align-items: center;div{width: 50px;height: 50px;line-height: 50px;border-radius:50% ;background-color: #9999E6;font-size: 30px;text-align: center;margin-right: 15px;}}.header_right{.allBtn{background: #c43F38;}.addBtn{background:#70B870 ;}}}.container{margin-top: 20px;height: 450px;overflow-y: scroll;.container_item{width: 100%;display: flex;justify-content: space-between;align-items: center;background-color: #686F7D;border-radius:8px ;padding:10px 20px;box-sizing: border-box;margin-top:20px ;.container_left{width: 30px;height: 30px;border: 1px solid #ccc;border-radius: 50%;position: relative;span{display: inline-block;width: 25px;height: 25px;background-color: #9999E6;border-radius: 50%;position: absolute;top: 50%;left: 50%;transform: translate(-50%,-50%);}}.line-through{color: rgba(255,255,255,0.5);text-decoration: line-through rgba(142, 3, 3, 0.841);}.container_right{display: flex;align-items: center;button{background-color: red;}}input[typetext]{flex: 1;margin: 0 10px;outline: none;// 背景设置透明background: transparent;border: none;border-bottom: 1px solid #ccc;padding: 5px 10px;color: #ccc;}}}}
/style
