[TOC] >[success] # 瀑布流布局 ~~~ '瀑布流'是前端的一種'布局'方式，就像我們經常'搜百度'看到的'圖片列表'都是'瀑布流'完成的，如下圖， '瀑布流'會根據'某一列'的'高度'，來自動向'最低高度'的一'列'下面繼續添加元素，下面是在'vue'項目中 使用'瀑布流'的案例。 ~~~  html ~~~ <template> <div class="box"> <div class="col" ref="col1"> <transition-group name="list"> <div class="item" v-for="item in dataList1" :key="item.id"> {{item.text}} <img :src="item.url" /> </div> </transition-group> </div> <div class="col" ref="col2"> <transition-group name="list"> <div class="item" v-for="item in dataList2" :key="item.id"> {{item.text}} <img :src="item.url" /> </div> </transition-group> </div> </div> </template> ~~~ JavaScript ~~~ <script> export default { data() { return { mainMenuList: [ { id: 1, text: '我是1', url: 'https://img.zcool.cn/community/01162e5d903ad6a8012060bee46bf3.jpg@1280w_1l_2o_100sh.jpg' }, { id: 2, text: '我是2', url: 'https://img.zcool.cn/community/0121a55d903ad6a801211d53066683.jpg@1280w_1l_2o_100sh.jpg' }, { id: 3, text: '我是3', url: 'http://pic39.nipic.com/20140321/18063302_210604412116_2.jpg' }, { id: 4, text: '我是4', url: 'https://img.zcool.cn/community/0121a55d903ad6a801211d53066683.jpg@1280w_1l_2o_100sh.jpg' }, { id: 5, text: '我是5', url: 'http://pic39.nipic.com/20140321/18063302_210604412116_2.jpg' }, { id: 6, text: '我是6', url: 'http://pic39.nipic.com/20140321/18063302_210604412116_2.jpg' }, { id: 7, text: '我是7', url: 'https://img.zcool.cn/community/0121a55d903ad6a801211d53066683.jpg@1280w_1l_2o_100sh.jpg' }, ], dataList1: [], dataList2: [] } }, mounted() { this.mountMenu() }, methods: { mountMenu(arg) { var temp = this.mainMenuList var index = arg || 0 var refName = this.selectCol() if (temp.length > index) { this[refName].push(this.mainMenuList[index]) this.$nextTick(() => { this.mountMenu(index + 1) }) } }, selectCol() { var getHeight = (ref) => { return this.$refs[ref].offsetHeight } var height1 = getHeight('col1') var height2 = getHeight('col2') switch (Math.min(height1, height2)) { // Math.min()方法返回參數中最小的值 case height1: return 'dataList1' case height2: return 'dataList2' } } } } </script> ~~~ css ~~~ .box{ overflow: hidden; width: 400px; } .col{ float: left; width: 100px; } img{ width: 100%; } ~~~