1.效果展示:

2.代码展示:

<template>
  <div class="container">
    <div class="column" v-for="(item, index) in items" :key="index">
      <div class="item">{{ item }}</div>
      <div v-if="index % 2 !== 0" class="divider"></div>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      items: ['Item 1', 'Item 2', 'Item 3', 'Item 4', 'Item 5']
    };
  }
};
</script>

<style scoped>
.container {
  display: flex;
  flex-wrap: wrap;

}

.column {
  flex: 0 0 50%; /* 每个元素占据50%的宽度 */
  max-width: 50%;
  padding: 10px;
  box-sizing: border-box;
  position: relative;
}

.item {
  background-color: #f0f0f0;
  padding: 20px;
  margin-bottom: 10px;
}

.divider {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px; /* 分割线的宽度 */
  background-color: #ccc; /* 分割线的颜色 */
  margin-left: -10px;
}
</style>