forked from SmartBench/CMVR-IOT-UI
75 lines
2.2 KiB
Vue
75 lines
2.2 KiB
Vue
<template>
|
|
<el-scrollbar ref="scrollbarRef" style="width: 100%;" class="step-scrollbar">
|
|
<div class="step-wrapper" ref="stepWrapperRef">
|
|
<el-steps :active="activeStep" finish-status="success">
|
|
<el-step v-for="value in 20" :key="value" :title="'点位' + value" :description="'点位' + value + '描述'" />
|
|
</el-steps>
|
|
</div>
|
|
</el-scrollbar>
|
|
</template>
|
|
<script setup>
|
|
const scrollbarRef = ref(null)
|
|
const stepWrapperRef = ref(null)
|
|
|
|
const activeStep = ref(10)
|
|
|
|
/**
|
|
* 滚动到当前激活的步骤
|
|
*/
|
|
const scrollToActiveStep = () => {
|
|
nextTick(() => {
|
|
// 获取 el-scrollbar 的可视区域宽度
|
|
const scrollbarEl = scrollbarRef.value?.$el
|
|
const wrapEl = scrollbarEl?.querySelector('.el-scrollbar__wrap')
|
|
if (!wrapEl) return
|
|
|
|
const viewWidth = wrapEl.clientWidth
|
|
|
|
// 获取所有 step 元素
|
|
const steps = stepWrapperRef.value?.querySelectorAll('.el-step')
|
|
if (!steps || !steps[activeStep.value]) return
|
|
|
|
// 计算激活 step 的位置
|
|
const activeEl = steps[activeStep.value]
|
|
const stepLeft = activeEl.offsetLeft
|
|
const stepWidth = activeEl.offsetWidth
|
|
|
|
// 让激活 step 居中显示
|
|
const scrollLeft = stepLeft - viewWidth / 2 + stepWidth / 2
|
|
console.log('滚动位置：', scrollLeft)
|
|
// 使用 el-scrollbar 提供的方法滚动
|
|
scrollbarRef.value.setScrollLeft(Math.max(0, scrollLeft))
|
|
})
|
|
}
|
|
|
|
setTimeout(() => {
|
|
scrollToActiveStep()
|
|
}, 1000)
|
|
</script>
|
|
|
|
<style lang="scss" scoped>
|
|
.step-scrollbar {
|
|
margin-top: 12px;
|
|
white-space: nowrap;
|
|
|
|
.step-wrapper {
|
|
display: inline-block;
|
|
/* 让wrapper宽度由内容决定 */
|
|
min-width: 100%;
|
|
/* 至少和容器一样宽 */
|
|
white-space: nowrap;
|
|
/* 防止 flex 项换行 */
|
|
|
|
:deep(.el-steps) {
|
|
flex-wrap: nowrap;
|
|
|
|
.el-step {
|
|
flex-shrink: 0 !important;
|
|
/* 禁止步骤项被压缩 */
|
|
min-width: 150px;
|
|
/* 每个步骤的最小宽度，按需调整 */
|
|
}
|
|
}
|
|
}
|
|
}
|
|
</style> |