css手搓

<script setup>
import { ref } from "vue";
</script>

<template>
  <div class="ii">
    <div>ssssssssssssss</div>
    <div>ssssssssssssss</div>
    <div>ssssssssssssss</div>
    <div>ssssssssssssss</div>
    <div>ssssssssssssss</div>
    <div>ssssssssssssss</div>
    <div>ssssssssssssss</div>
    <div>ssssssssssssss</div>
    <div>ssssssssssssss</div>
    <div>ssssssssssssss</div>
    <div>ssssssssssssss</div>
  </div>
</template>

<style scoped lang="scss">
.ii {
  height: 100px;
  width: 200px;
  overflow-y: scroll;
  border: 1px red solid;
}

// 整个滚动条区域
::-webkit-scrollbar {
  width: 10px;
  background-color: skyblue;
  border: 2px rgb(234, 183, 53) solid;
  border-radius: 5px;
}

// 滚动轴区域
::-webkit-scrollbar-thumb {
  background-color: rgb(21, 255, 0);
  border-radius: 5px;
}
</style>

参考文章

使用element-plus

Scrollbar 滚动条
官方文档

<script setup>
import { ref } from "vue";
const count = ref(3);

const add = () => {
  count.value++;
};
const onDelete = () => {
  if (count.value > 0) {
    count.value--;
  }
};
</script>
<template>
  <div class="ii">
    <el-button @click="add">Add Item</el-button>
    <el-button @click="onDelete">Delete Item</el-button>
    <el-scrollbar max-height="400px">
      <p v-for="item in count" :key="item" class="scrollbar-demo-item">
        {{ item }}
      </p>
    </el-scrollbar>
  </div>
</template>

<style scoped lang="scss">
.ii {
  width: 300px;
  // 能滚区域的颜色
  :deep(.el-scrollbar__thumb) {
    background-color: rgb(49, 238, 24);
    opacity: 1;
  }

  //   整个滚动条轨道的颜色
  :deep(.el-scrollbar__bar) {
    background-color: #67bdec2f;
  }
}
.scrollbar-demo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  margin: 10px;
  text-align: center;
  border-radius: 4px;
  /* background: var(--el-color-primary-light-9);
  color: var(--el-color-primary); */
  background: pink;
  color: red;
}
</style>

<style scoped lang="scss">
.ii {
  width: 300px;
  :deep(.el-scrollbar__bar.is-vertical) {
    // 设置滚动条颜色
    width: 20px;
  }

  :deep(.el-scrollbar__thumb) {
    background-color: rgb(49, 238, 24);
    opacity: 1;
  }

  :deep(.el-scrollbar__bar) {
    background-color: #67bdec2f;
  }
}
.scrollbar-demo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  margin: 10px;
  //   内容与滚动条之间的距离
  margin-right: 20px;
  text-align: center;
  border-radius: 4px;
  /* background: var(--el-color-primary-light-9);
  color: var(--el-color-primary); */
  background: pink;
  color: red;
}
</style>