5 changed files with 275 additions and 219 deletions
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<template> |
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<!-- 瀑布流版本布局 + 高度随宽度调整变化 --> |
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<el-card class="homeMenuPage" v-resize="setMaxHeight" v-loading="loading"> |
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<div class="firstMenuContain homeMenuPage-List"> |
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<div |
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class="firstMenuItem menuItem" |
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v-for="(item,index) in navList" |
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:key="index" |
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> |
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<div class="firstTitle" v-if="item.meta"> |
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<div class="icon"><svg-icon :icon-class="item.meta.icon" style="fill:currentColor; color:#fff;"/></div> |
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<div>{{item.meta.title}}</div> |
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</div> |
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<ul class="menuInfo" v-if="item.children && item.children.length > 0"> |
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<li |
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v-for="(item2,index2) in item.children" |
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:key="index2" |
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> |
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<div class="title"> |
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{{item2.meta.title}} |
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<i class="el-icon-arrow-right"></i> |
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</div> |
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<!-- 有下级菜单 --> |
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<div class="lastList" v-if="item2.children && item2.children.length > 0"> |
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<div |
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v-for="(item3,index3) in item2.children" |
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:key="index3" |
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class="item" |
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> |
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<span @click="goPage(item3)">{{item3.meta.title}}</span> |
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</div> |
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</div> |
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<!-- 如果二级为最后一级，统一格式，补充到children中 --> |
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<div class="lastList" v-else> |
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<div class="item"> |
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<span @click="goPage(item2)">{{item2.meta.title}}</span> |
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</div> |
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</div> |
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</li> |
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</ul> |
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</div> |
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<span class="firstMenuItem break"></span> |
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<span class="firstMenuItem break"></span> |
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<span class="firstMenuItem break"></span> |
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</div> |
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</el-card> |
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</template> |
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|
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<script> |
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import { mapGetters } from 'vuex' |
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export default { |
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directives: { |
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// 页面宽度变化，重新计算总高度 |
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resize: { // 指令的名称 |
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bind(el, binding) { // el为绑定的元素，binding为绑定给指令的对象 |
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let width = '', height = ''; |
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function isReize() { |
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const style = document.defaultView.getComputedStyle(el); |
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if (width !== style.width || height !== style.height) { |
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binding.value(); // 关键 |
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} |
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width = style.width; |
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height = style.height; |
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} |
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el.__vueSetInterval__ = setInterval(isReize, 300); |
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}, |
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unbind(el) { |
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clearInterval(el.__vueSetInterval__); |
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} |
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} |
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}, |
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name: 'Dashboard', |
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data() { |
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return { |
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loading:true, |
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navList:[], |
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} |
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}, |
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watch: { |
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permission_routes(val, oldVal) { |
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this.initData(val) |
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} |
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}, |
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computed: { |
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...mapGetters([ |
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'permission_routes' |
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]) |
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}, |
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mounted(){ |
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console.log(90,this.permission_routes) |
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this.initData(this.permission_routes) |
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}, |
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methods:{ |
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initData(data){ |
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data.forEach(item => { |
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if(!item.hidden && item.path !== '/') { |
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this.navList.push(item) |
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} |
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}) |
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this.$nextTick(()=>{ |
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this.setMaxHeight() |
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}) |
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}, |
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goPage(item){ |
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this.$router.push({name: item.name}) |
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}, |
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setMaxHeight(){ |
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// todo：用this.$route.path != /dashboard 判断 |
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console.log("setMaxHeight",this.$route.path) |
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if(document.getElementsByClassName("homeMenuPage-List").length <= 0){ |
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return |
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} |
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let _items = document.getElementsByClassName("menuItem") |
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let _left = []; |
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let _right = []; |
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let _left_num = 0; |
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let _right_num = 0; |
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_items.forEach((item,key)=>{ |
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// 左侧 |
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if(key % 2 == 0){ |
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_left.push(item.offsetHeight) |
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_left_num += Number(item.offsetHeight) |
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} |
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// 右侧 |
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else{ |
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_right.push(item.offsetHeight) |
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_right_num += Number(item.offsetHeight) |
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} |
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}) |
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let _max = _left_num > _right_num ? _left_num : _right_num |
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_max += 20 * _items.length |
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document.getElementsByClassName("homeMenuPage-List")[0].style.height = _max + 'px' |
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this.loading = false |
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} |
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} |
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} |
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</script> |
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<style lang="scss" scoped> |
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$iconSize:26px; |
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.homeMenuPage{ |
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height: 100%; |
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overflow: auto; |
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// padding: 20px 0; |
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} |
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.firstMenuContain { |
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display: flex; |
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flex-flow: column wrap; |
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align-content: space-between; |
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/* 容器必须有固定高度 |
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* 且高度大于最高的列高 */ |
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// height: 2500px; |
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.firstMenuItem { |
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width: calc(50% - 20px); |
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margin-bottom: 20px; |
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|
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.firstTitle{ |
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display: flex; |
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font-weight: bold; |
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font-size: 18px; |
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.icon{ |
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background: #409eff; |
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color: #fff; |
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border-radius: 4px; |
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width: $iconSize; |
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height: $iconSize; |
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line-height: $iconSize; |
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overflow: hidden; |
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text-align: center; |
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margin-right: 10px; |
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} |
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} |
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|
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.menuInfo{ |
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background: #f9fafb; |
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margin: 20px 0; |
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padding: 5px 0; |
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li{ |
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list-style: none; |
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display: flex; |
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padding-top: 10px; |
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.title{ |
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width: 240px; |
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text-align: right; |
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font-weight: bold; |
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flex-shrink: 0; |
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.el-icon-arrow-right{ |
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font-weight: bold; |
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font-size: 14px; |
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} |
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} |
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.lastList{ |
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display: flex; |
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flex-wrap: wrap; |
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margin-left: 15px; |
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.item{ |
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margin-right: 25px; |
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margin-bottom: 10px; |
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cursor: pointer; |
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|
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&:hover{ |
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color: #409eff; |
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} |
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} |
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} |
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} |
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} |
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|
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/* 将内容块重排为4列 */ |
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&:nth-of-type(2n+1) { order: 1; } |
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&:nth-of-type(2n) { order: 2; } |
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|
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/* 强制换列 */ |
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&.break { |
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flex-basis: 100%; |
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width: 0; |
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margin: 0; |
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content: ""; |
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padding: 0; |
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} |
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} |
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} |
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</style> |
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