效果图

组件

<template>
  <div class="processBox" v-if="list.length">
    <div class="childs">
      <div class="child" v-for="(item,index) in list" :key="item.id +'-child-'+index">
        <div class="child-item" :style="{marginRight: item.children && item.children.length > 1 ? '20px' :''}">
          <div class="childname" :id="item.id">
            <div class="shows">
              <slot :items="item">
                {
   {
   item.name}}
              </slot>
            </div>
            <div class="position-arrow" v-if="list.length > 1">
              <i class="el-icon-right"></i>
            </div>
            <div class="position-top" v-if="isFirst(item.id) && domready" :style="position_top(item.id,'top')"></div>
            <div class="position-top" v-if="isLast(item.id)" :style="position_top(item.id,'bottom')"></div>
          </div>
          <div class="childarrow" :style="{borderRight:item.children && item.children.length >1 ? '2px solid #606266' : '3px solid transparent'}">
            <div :class="item.children && item.children.length<=1?'long-img':''"></div>
              <i class="el-icon-right" v-if="item.children && item.children.length" ></i>

          </div>