Scroll bar style modification of element-ui table

clipboard.png

the scroll bar style of the default element-ui table is like this, is there any other scroll bar style? How to modify it?

Javascript vue.js element-ui
Jun.12,2021

the scroll bar style has been modified before when using the element-ui table, but there is no official way to change it
later, please refer to

. 
//
.your-table .el-table__body-wrapper::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
//
.your-table .el-table__body-wrapper::-webkit-scrollbar-thumb {
  background-color: -sharpa1a3a9;
  border-radius: 3px;
}

if the scroll bar style of the whole page is consistent, directly changing the global scroll bar style can also be effective 

//
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
//
::-webkit-scrollbar-thumb {
  background-color: -sharpa1a3a9;
  border-radius: 3px;
}

there is a compatibility problem with scroll bar styles. The above styles are available in webkit browsers

casually find a scroll bar plug-in and then use the custom command
to complete
I selected perfect-scrollbar (for details on how this plug-in, which is not made for vue, can be used in vue, please see " an article I wrote )
is roughly as follows

. 
import Vue from 'vue';
//
import PerfectScrollbar from 'perfect-scrollbar';
//css
import "perfect-scrollbar/css/perfect-scrollbar.css";

/**
 * @description PerfectScrollbar
 * @param {Element} el - dom
 */
const el_scrollBar = (el) => {
    //_ps_
    if (el._ps_ instanceof PerfectScrollbar) {
        el._ps_.update();
    } else {
        //el
        el._ps_ = new PerfectScrollbar(el, { suppressScrollX: true });
    }
};

Vue.directive("anyNameYouLike",{
    inserted(el, binding){
        const { arg } = binding;
        if(arg === ""){
            el = el.querySelector(".el-table__body-wrapper");
            if(!el){
                return console.warn("classNameel-table__body-wrapperdom");
            }
        }
        const rules = ["fixed", "absolute", "relative"];
            if (!rules.includes(window.getComputedStyle(el, null).position)) {
                console.error(`perfect-scrollbarposition:${rules.join("")}`)
            }
            el_scrollBar(el);
    },
    componentUpdated(el, binding, vnode) {
        const { arg } = binding;
        if (arg === "") {
            el = el.querySelector(".el-table__body-wrapper");
            if(!el){
                return console.warn("classNameel-table__body-wrapperdom");
            }
        }
        vnode.context.$nextTick(
            () => {
                try {
                    el_scrollBar(el);
                } catch (error) {
                    console.error(error);
                }
            }
        )
    },
})

then it's easy for you to use
if it's a normal element 

<div v-anyNameYouLike>
    <!---->
</div>

if it is the table component of ele.me 

<el-table :data="" v-anyNameYouLike:>
    <!---->
</el-table>

is it very simple
effect to stand out

clipboard.png

I guess what you mean is that you want to keep the table header from scrolling, just scroll table-body.
you can deal with it like this:
for example, @ A Snake responder's solution adds a condition. 

const el_scrollBar = (el) => {
    // `.el-table__body-wrapper`Elementui
    const dom = el.querySelector('.el-table__body-wrapper')
    if (dom._ps_ instanceof PerfectScrollbar) {
        dom._ps_.update();
    } else {
        dom._ps_ = new PerfectScrollbar(dom, { suppressScrollX: true });
    }
};

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