之前认识不足以为纯css无法做出这种效果，用canvas画了一个，文章是这个

https://blog.csdn.net/shishuwei111/article/details/92611313

最近了解到css也可以做出来这样的效果

效果图

 主要用了css的clip-path，有需要的可以了解以下这个属性，确实是个不可思议的东西

源码

<template>
  <div style="background: #0d5593;height: 900px">
    <ul class="menu">
      <li class="menu-cell" @click="test('11111')">
        <img class="menu-cell__image" src="../assets/img/menu/xyzb.png">
        <div class="menu-cell__title">111111</div>
      </li>
      <li class="menu-cell" @click="test('22222')">
        <img class="menu-cell__image" src="../assets/img/menu/xyzb.png">
        <div class="menu-cell__title">22222</div>
        </li>
        <li class="menu-cell" @click="test('33333')">
        <img class="menu-cell__image" src="../assets/img/menu/xyzb.png">
        <div class="menu-cell__title">33333</div>
      </li>
      <li class="menu-cell" @click="test('4444')">
        <img class="menu-cell__image" src="../assets/img/menu/xyzb.png">
        <div class="menu-cell__title">4444</div>
      </li>
      <li class="menu-cell" @click="test('555555')">
        <img class="menu-cell__image" src="../assets/img/menu/xyzb.png">
        <div class="menu-cell__title">555555</div>
      </li>
      <li class="menu-cell" @click="test('666666')">
        <img class="menu-cell__image" src="../assets/img/menu/xyzb.png">
        <div class="menu-cell__title">666666</div>
      </li>
      <li class="menu-cell" @click="test('77777')">
        <img class="menu-cell__image" src="../assets/img/menu/xyzb.png">
        <div class="menu-cell__title">77777</div>
      </li>
      <li class="menu-cell" @click="test('88888')">
        <img class="menu-cell__image" src="../assets/img/menu/xyzb.png">
        <div class="menu-cell__title">88888</div>
      </li>
      <li class="menu-cell" @click="test('9999')">
        <img class="menu-cell__image" src="../assets/img/menu/xyzb.png">
        <div class="menu-cell__title">9999</div>
      </li>
      <li class="menu-cell" @click="test('101010')">
        <img class="menu-cell__image" src="../assets/img/menu/xyzb.png">
        <div class="menu-cell__title">101010</div>
      </li>
      <li class="menu-cell" @click="test('11111')">
        <img class="menu-cell__image" src="../assets/img/menu/xyzb.png">
        <div class="menu-cell__title">1111</div>
      </li>
      <li class="menu-cell menu__placeholder"></li>
    </ul>
  </div>
</template>

<script>
export default {
  name: 'vmenu',
  data () {
    return {
    }
  },
  mounted () {
  },
  watch: {
  },
  created () {
  },
  methods: {
    test (val) {
      console.log(val)
    }
  }
}
</script>

<style scoped>
  *, *::before, *::after {
    box-sizing: border-box;
  }
  .menu {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    justify-content: center;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0;
    -webkit-transform: translateY(34.375px);
    transform: translateY(34.375px);
  }
  .menu-cell {
    flex: 0 1 150px;
    max-width: 150px;
    height: 88.5px;
    margin: 30px 5.5px 25px;
    position: relative;
    padding: 0.5em;
    text-align: center;
    background: #0a7993;
    z-index: 1;
  }
  .menu-cell::before {
    background: #0a7993;
    -webkit-transform: scale(1.055);
    transform: scale(1.055);
  }
  .menu-cell::after {
    background: #3ea0eb;
    opacity: 0.5;
    transition: opacity 350ms;
  }
  .menu-cell::before, .menu-cell::after {
    content: '';
  }
  .menu-cell:hover::before {
    background: #0a7993;
    -webkit-transform: scale(1.055);
    transform: scale(1.055);
  }
  .menu-cell:hover::after {
    opacity: 0.2;
    transition: opacity 350ms;
  }
  .menu__placeholder {
    display: none;
    opacity: 0;
    width: 250px;
    margin: 0 12.5px;
  }
  .menu-cell__image {
    -o-object-fit: cover;
    object-fit: cover;
    -o-object-position: center;
    object-position: center;
    border-style: none;
  }
  .menu-cell__image{
    width: 70px;
    height: 70px;
    margin-top: -10px;
  }
  .menu-cell__title {
    height: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    -webkit-hyphens: auto;
    -ms-hyphens: auto;
    hyphens: auto;
    word-break: break-word;
    text-transform: uppercase;
    color: #fff;
    font-weight: 700;
    font-size: 1.35em;
    transition: opacity 350ms;
  }
  .menu-cell::before, .menu-cell::after{
    top: -50%;
    left: 0;
    width: 100%;
    height: 200%;
    display: block;
    position: absolute;
    -webkit-clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    z-index: -1;
  }
</style>