vue的优缺点有那些组件常用的有那些？

优点：

组件化开发，提升效率，方便复用，便于协同开发
单页面路由
易于结合其他的第三方库
丰富的api方法
轻量高效,虚拟DOM
MVVM，数据驱动视图
轻量级的框架

缺点：

缺少高阶教程和文档
生态环境不如angular和react
社区不大
不支持ES6的浏览器无法使用，如ie10
报错不明显，适合单人开发或者中小型项目
不利于SEO优化

常见的组件有：

form表单

<el-form ref="form" :model="form" label-width="80px"><el-form-item label="活动名称"><el-input v-model="form.name"></el-input></el-form-item><el-form-item label="活动区域"><el-select v-model="form.region" placeholder="请选择活动区域"><el-option label="区域一" value="shanghai"></el-option><el-option label="区域二" value="beijing"></el-option></el-select></el-form-item><el-form-item label="活动时间"><el-col :span="11"><el-date-picker type="date" placeholder="选择日期" v-model="form.date1" style="width: 100%;"></el-date-picker></el-col><el-col class="line" :span="2">-</el-col><el-col :span="11"><el-time-picker placeholder="选择时间" v-model="form.date2" style="width: 100%;"></el-time-picker></el-col></el-form-item><el-form-item label="即时配送"><el-switch v-model="form.delivery"></el-switch></el-form-item><el-form-item label="活动性质"><el-checkbox-group v-model="form.type"><el-checkbox label="美食/餐厅线上活动" name="type"></el-checkbox><el-checkbox label="地推活动" name="type"></el-checkbox><el-checkbox label="线下主题活动" name="type"></el-checkbox><el-checkbox label="单纯品牌曝光" name="type"></el-checkbox></el-checkbox-group></el-form-item><el-form-item label="特殊资源"><el-radio-group v-model="form.resource"><el-radio label="线上品牌商赞助"></el-radio><el-radio label="线下场地免费"></el-radio></el-radio-group></el-form-item><el-form-item label="活动形式"><el-input type="textarea" v-model="form.desc"></el-input></el-form-item><el-form-item><el-button type="primary" @click="onSubmit">立即创建</el-button><el-button>取消</el-button></el-form-item>
</el-form>
<script>export default {data() {return {form: {name: '',region: '',date1: '',date2: '',delivery: false,type: [],resource: '',desc: ''}}},methods: {onSubmit() {console.log('submit!');}}}
</script>

进度条组件：

<el-progress :percentage="50"></el-progress>
<el-progress :percentage="100" :format="format"></el-progress>
<el-progress :percentage="100" status="success"></el-progress>
<el-progress :percentage="100" status="warning"></el-progress>
<el-progress :percentage="50" status="exception"></el-progress><script>export default {methods: {format(percentage) {return percentage === 100 ? '满' : `${percentage}%`;}}};
</script>