MyHeader.vue

<template><div class="todo-header"><input type="text" placeholder="请输入你的任务名称，按回车键确认"></div>
</template><script>
export default {name: "MyHeader"
}
</script><style scoped>
/* header */
.todo-header input{width:560px;height: 28px;font-size: 14px;border: 1px solid #ccc;border-radius: 4px;padding: 4px 7px;
}.todo-header input:focus{outline: none;border-color: rgba(82, 168, 236, 0.8);box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075),0 0 8px rgba(82, 168, 236, 0.6);
}
</style>

MyList.vue

<template><ul class="todo-main"><MyItem/><MyItem/><MyItem/><MyItem/></ul>
</template><script>
import MyItem from "./MyItem";
export default {name: "MyList",components:{MyItem}
}
</script><style scoped>
.todo-main{margin-left: 0px;border: 1px solid #ddd;border-radius: 2px;padding: 0px;
}.todo-empty{height: 40px;line-height: 40px;border: 1px solid #ddd;border-radius: 2px;padding-left:5px;margin-top: 10px;
}
</style>

MyFooter.vue

<template><div class="todo-footer"><label><input type="checkbox"/></label><span><span>已完成0</span> / 全部2</span><button class="btn btn-danger">清除已完成的任务</button></div>
</template><script>
export default {name: "MyFooter"
}
</script><style scoped>
/* Footer */
.todo-footer {height: 40px;line-height: 40px;padding-left: 6px;margin-top: 5px;
}
.todo-footer label{display: inline-block;margin-right: 20px;cursor: pointer;
}
.todo-footer label input{position: relative;top: 1px;vertical-align: middle;margin-right: 5px;
}.todo-footer button{float: right;margin-top: 5px;
}
</style>

MyItem.vue

<template><div><li><label ><input type="checkbox"/><span>xxxx</span></label><button class="btn btn-danger" style="display:none">删除</button></li></div>
</template><script>
export default {name: "MyItem"
}
</script><style scoped>
li{list-style: none;height: 36px;line-height: 36px;padding: 0 5px;border-bottom: 1px solid #ddd;
}
li label{float:left;cursor: pointer;
}li label li input{vertical-align: middle;margin-right: 6px;position: relative;top: -1px;
}li button{float: right;display: none;margin-top: 3px;
}li:before{content: initial;
}
li:last-child{border-bottom: none;
}
</style>

App.vue

<template><div id="root"><div class="todo-container"><div class="todo-wrap"><MyHeader/><MyList/><MyFooter/></div></div></div></template><script>
import MyHeader from './components/MyHeader'
import MyList from './components/MyList'
import MyFooter from './components/MyFooter'export default {
name:'App',
components:{MyHeader,MyList,MyFooter},
}
</script><style>
/*base*/
body {background: #fff;
}.btn {display: inline-block;padding: 4px 12px;margin-bottom: 0;font-size: 14px;line-height: 20px;text-align: center;vertical-align: middle;cursor: pointer;box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);border-radius: 4px;
}.btn-danger {color: #fff;background-color: #da4f49;border: 1px solid #bd362f;
}.btn-danger:hover {color: #fff;background-color: #bd362f;
}.btn:focus {outline: none;
}.todo-container {width: 600px;margin: 0 auto;
}
.todo-container .todo-wrap {padding: 10px;border: 1px solid #ddd;border-radius: 5px;
}
</style>

main.js

//引入Vue
import Vue from 'vue'
//引入App
import App from "./App";
//关闭Vue的生产提示
Vue.config.productionTip = false
//创建vm
new Vue({el:'#app',render:h=>h(App)
})