dropdownMenu => DropdownMenu

src/components/Share/DropdownMenu.vue

@@ -0,0 +1,100 @@
+<template>
+  <div :class="{active:isActive}" class="share-dropdown-menu">
+    <div class="share-dropdown-menu-wrapper">
+      <span class="share-dropdown-menu-title" @click.self="clickTitle">{{ title }}</span>
+      <div v-for="(item,index) of items" :key="index" class="share-dropdown-menu-item">
+        <a v-if="item.href" :href="item.href" target="_blank">{{ item.title }}</a>
+        <span v-else>{{ item.title }}</span>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+export default {
+  props: {
+    items: {
+      type: Array,
+      default: function() {
+        return []
+      }
+    },
+    title: {
+      type: String,
+      default: 'vue'
+    }
+  },
+  data() {
+    return {
+      isActive: false
+    }
+  },
+  methods: {
+    clickTitle() {
+      this.isActive = !this.isActive
+    }
+  }
+}
+</script>
+
+<style lang="scss" >
+$n: 8; //和items.length 相同
+$t: .1s;
+.share-dropdown-menu {
+  width: 250px;
+  position: relative;
+  z-index: 1;
+  &-title {
+    width: 100%;
+    display: block;
+    cursor: pointer;
+    background: black;
+    color: white;
+    height: 60px;
+    line-height: 60px;
+    font-size: 20px;
+    text-align: center;
+    z-index: 2;
+    transform: translate3d(0,0,0);
+  }
+  &-wrapper {
+    position: relative;
+  }
+  &-item {
+    text-align: center;
+    position: absolute;
+    width: 100%;
+    background: #e0e0e0;
+    line-height: 60px;
+    height: 60px;
+    cursor: pointer;
+    font-size: 20px;
+    opacity: 1;
+    transition: transform 0.28s ease;
+    &:hover {
+      background: black;
+      color: white;
+    }
+    @for $i from 1 through $n {
+      &:nth-of-type(#{$i}) {
+        z-index: -1;
+        transition-delay: $i*$t;
+        transform: translate3d(0, -60px, 0);
+      }
+    }
+  }
+  &.active {
+    .share-dropdown-menu-wrapper {
+      z-index: 1;
+    }
+    .share-dropdown-menu-item {
+      @for $i from 1 through $n {
+        &:nth-of-type(#{$i}) {
+         transition-delay: ($n - $i)*$t;
+          transform: translate3d(0, ($i - 1)*60px, 0);
+        }
+      }
+    }
+  }
+}
+</style>

src/views/components-demo/mixin.vue

@@ -115,7 +115,7 @@
 import PanThumb from '@/components/PanThumb'
 import MdInput from '@/components/MDinput'
 import Mallki from '@/components/TextHoverEffect/Mallki'
-import DropdownMenu from '@/components/Share/dropdownMenu'
+import DropdownMenu from '@/components/Share/DropdownMenu'
 import waves from '@/directive/waves/index.js' // 水波纹指令
 
 export default {

src/views/documentation/index.vue

@@ -7,7 +7,7 @@
   </div>
 </template>
 <script>
-import DropdownMenu from '@/components/Share/dropdownMenu'
+import DropdownMenu from '@/components/Share/DropdownMenu'
 
 export default {
   name: 'Documentation',