1. 实现效果

2. 实现代码

<template><div class="container"><div v-for="(item, index) in list" class="grid-item"><div class="step">step{{index+1}}</div></div></div>
</template><script setup>import { ref } from 'vue';const list = ref(new Array(11).fill(''));
</script><style lang="less">/** 可配置的参数 可以调整试试 */@colNum: 4; // 单行排列的步骤 试试 2、3、4、5、6@colEven: @colNum * 2; // 两行元素数@lineWidth: 26px; // 步骤间连线长度@rowDistance: 40px; // 行间距@colDistance: @lineWidth; // 列间距@arrowSize: 6px; // 箭头大小@stepColor: #cfbbfd; // 步骤颜色.container {margin-top:100px;display: grid;grid-template-columns: repeat(@colNum, 1fr);gap: @rowDistance @colDistance;padding-top: @rowDistance;}.grid-item {position: relative;display: flex;align-items: center;justify-content: center;&::before {position: absolute;content: '';right: -@lineWidth;width: @lineWidth;height: 0;border-top: 1px dashed @stepColor;}&::after {content: '';position: absolute;right: (-@colDistance / 2);transform: translateX(50%);border-top: (@arrowSize / 1.4) solid transparent;border-left: @arrowSize solid @stepColor;border-bottom: (@arrowSize / 1.4) solid transparent;}// 给每行最后一个步骤（除最后一行）添加向下的连接箭头&:nth-child(@{colNum}n) {&:not(:last-child) {.step {&::before {content: '';position: absolute;left: 50%;bottom: -(@rowDistance / 2);height: @lineWidth;border-left: 1px dashed @stepColor;transform: translate(-50%, 50%);}&::after {content: '';position: absolute;left: 50%;bottom: -(@rowDistance / 2);border-top: @arrowSize solid @stepColor;border-left: (@arrowSize / 1.4) solid transparent;border-right: (@arrowSize / 1.4) solid transparent;transform: translate(-50%, 50%);}}}}each(range(@colEven), {&:nth-child(@{colEven}n+@{value}) {@isEvenLine: boolean(@value > @colNum);@modNum: mod(@value, @colEven); // 余数 1、2、3、4、5、0color: if(@isEvenLine, #7dbcf7, #f38cd6);/** 偶数行旋转箭头，步骤倒序排列（使用transform交换位置） */& when (@isEvenLine) {@transN: (@colNum + 1 + @colEven - @value - @value);transform: translateX(calc(@transN * 100% + @transN * @colDistance));&::after {transform: translateX(50%) rotate(180deg) !important; // 旋转箭头}}// 最右排(n & n + 1 位)隐藏多余的箭头（如果container设置了overflow:hidden 则不用处理）& when (@modNum=@colNum), (@modNum=@colNum+1) {&::before, &::after {display: none;}}// 最后一个步骤在奇数行 需要隐藏连线箭头& when not (@isEvenLine) {&:last-child {&::before, &::after {display: none;}}}}})}.step {position: relative;width: 100px;line-height: 30px;font-size: 16px;text-align: center;border: 1px solid @stepColor;border-radius: 4px;}
</style>