element el-scrollbar 滚动条

只需将大小设置为和父容器大小一样即可

<el-scrollbar> 
    <div class="box"> 
        <p v-for="item in 15" :key="item"> {{item}}</p> 
    </div> 
</el-scrollbar>
<style scoped>
.el-scrollbar { 
    border: 1px solid #ddd; 
    height: 200px; 
} 
.el-scrollbar ::v-deep .el-scrollbar__wrap {
    overflow-y: scroll; 
    overflow-x: hidden; 
} 
</style>