♻️(component): 使用 setup script 重构 scroll 组件

This commit is contained in:
就眠儀式 2022-04-30 03:44:28 +08:00
parent 844f3fd0cf
commit 3b1849fb70
2 changed files with 202 additions and 215 deletions

View File

@ -1,44 +1,34 @@
.scrollbar-box { .layui-scroll {
height: 100%; height: 100%;
overflow: hidden !important; overflow: hidden !important;
} }
.scrollbar-y { .layui-scroll-y {
position: relative; position: relative;
height: 100%; height: 100%;
.scroll-wrap {
.layui-scroll-wrap {
height: 100%; height: 100%;
overflow-y: scroll; overflow-y: scroll;
scrollbar-width: none; /* firefox */ scrollbar-width: none;
-ms-overflow-style: none; -ms-overflow-style: none;
} }
.scrollbar-track { .layui-scroll-track {
position: absolute; position: absolute;
top: 0; top: 0;
right: 0; right: 0;
bottom: 0; bottom: 0;
border-radius: 8px; border-radius: 8px;
z-index: 20; z-index: 20;
.scrollbar-thumb { .layui-scroll-thumb {
margin: 0 auto; margin: 0 auto;
border-radius: 6px; border-radius: 6px;
cursor: default; cursor: default;
} }
} }
} }
.scrollbar-y ::-webkit-scrollbar {
.layui-scroll-y ::-webkit-scrollbar {
display: none; display: none;
} }
//移动端隐藏自定义滚动条
.hide.scrollbar-box .scrollbar-track {
display: none;
}
//移动端显示原生滑块
.hide.scrollbar-box .scrollbar-y ::-webkit-scrollbar {
display: block;
}
.hide.scrollbar-box .scrollbar-y .scroll-wrap {
scrollbar-width: auto;
-ms-overflow-style: scrollbar;
}

View File

@ -1,16 +1,16 @@
<template> <template>
<div <div
class="scrollbar-box" class="layui-scroll"
:class="{ hide: winWidth < 500 }" :class="{ hide: data.winWidth < 500 }"
:style="{ height: height }" :style="{ height: height }"
> >
<div class="scrollbar-y"> <div class="layui-scroll-y">
<div ref="scrollRef" class="scroll-wrap" @scroll="onMosewheel"> <div ref="scrollRef" class="layui-scroll-wrap" @scroll="onMosewheel">
<slot></slot> <slot></slot>
</div> </div>
<div <div
ref="barRef" ref="barRef"
class="scrollbar-track" class="layui-scroll-track"
:style="{ :style="{
backgroundColor: heightPre == 1 ? 'rgba(0,0,0,0)' : slotColor, backgroundColor: heightPre == 1 ? 'rgba(0,0,0,0)' : slotColor,
}" }"
@ -21,12 +21,12 @@
--> -->
<div <div
:style="{ :style="{
height: barHeight + 'px', height: data.barHeight + 'px',
width: scrollWidth + 'px', width: scrollWidth + 'px',
transform: 'translateY(' + translateY + 'px)', transform: 'translateY(' + data.translateY + 'px)',
backgroundColor: heightPre == 1 ? 'rgba(0,0,0,0)' : scrollColor, backgroundColor: data.heightPre == 1 ? 'rgba(0,0,0,0)' : scrollColor,
}" }"
class="scrollbar-thumb" class="layui-scroll-thumb"
@mousedown.stop.prevent="moveStart" @mousedown.stop.prevent="moveStart"
></div> ></div>
</div> </div>
@ -34,7 +34,13 @@
</div> </div>
</template> </template>
<script> <script lang="ts">
export default {
name: "LayScroll"
}
</script>
<script lang="ts" setup>
import "./index.less"; import "./index.less";
import { import {
defineComponent, defineComponent,
@ -43,62 +49,57 @@ import {
nextTick, nextTick,
reactive, reactive,
onUnmounted, onUnmounted,
ref,
} from "vue"; } from "vue";
export default defineComponent({
name: "LayScroll", export interface LayScrollProps {
props: { height: string;
height: { slotColor: string;
type: String, scrollColor: string;
default: "100%", scrollWidth: number;
}, }
slotColor: {
// :slotColor="'red'" const props = withDefaults(defineProps<LayScrollProps>(), {
type: String, height: "100%",
default: "rgba(0,0,0,0)", slotColor: "rgba(0,0,0,0)",
}, scrollColor: "#eeeeee",
scrollColor: { scrollWidth: 6,
// :scrollColor="'red'" });
type: String,
default: "#eeeeee", const emit = defineEmits(["arrive"]);
},
scrollWidth: { const scrollRef = ref<HTMLElement | null>(null);
// :scrollWidth="7" const barRef = ref<HTMLElement | null>(null);
type: Number,
default: 6, const data = reactive({
},
},
setup(props, ctx) {
const data = reactive({
scrollRef: null, //
barRef: null, //
translateY: 0, // translateY: 0, //
heightPre: 0, // heightPre: 0, //
barHeight: 0, // barHeight: 0, //
winWidth: document.body.clientWidth, // winWidth: document.body.clientWidth, //
}); });
let time = null; // let time = null; //
let isMove = false; // let isMove = false; //
let moveClientY = 0; // let moveClientY = 0; //
let trackHeight = 0; // let trackHeight = 0; //
let wrapHeight = 0; // let wrapHeight = 0; //
let wrapContentHeight = 0; // let wrapContentHeight = 0; //
// //
onMounted(() => { onMounted(() => {
monitorWindow(); // monitorWindow(); //
monitorScrollBar(); // monitorScrollBar(); //
nextTick(() => { nextTick(() => {
//dom //dom
calculationLength(); // calculationLength(); //
}); });
}); });
// //
onUnmounted(() => { onUnmounted(() => {
window.clearInterval(time); window.clearInterval(time);
time = null; time = null;
}); });
// //
const monitorWindow = function () { const monitorWindow = function () {
let time; // let time; //
window.addEventListener("resize", () => { window.addEventListener("resize", () => {
data.winWidth = document.body.clientWidth; // data.winWidth = document.body.clientWidth; //
@ -109,15 +110,17 @@ export default defineComponent({
initScrollListner(); initScrollListner();
}, 500); }, 500);
}); });
}; };
// //
const monitorScrollBar = function () { const monitorScrollBar = function () {
var monitorUl = data.scrollRef.children[0]; var monitorUl = scrollRef.value.children[0];
// var monitorDiv= document; // document // var monitorDiv= document; // document
let MutationObserver = let MutationObserver =
window.MutationObserver || window.MutationObserver ||
// @ts-ignore
window.WebKitMutationObserver || window.WebKitMutationObserver ||
// @ts-ignore
window.MozMutationObserver; window.MozMutationObserver;
let observer = new MutationObserver(function (mutations) { let observer = new MutationObserver(function (mutations) {
// console.log(""); // console.log("");
@ -130,10 +133,10 @@ export default defineComponent({
attributes: true, attributes: true,
childList: true, childList: true,
}); });
}; };
// //
const calculationLength = function () { const calculationLength = function () {
// initScrollListner // initScrollListner
// dom // dom
// 10 // 10
@ -146,11 +149,11 @@ export default defineComponent({
window.clearInterval(time); window.clearInterval(time);
time = null; time = null;
}, 2000); }, 2000);
}; };
// //
const initScrollListner = function () { const initScrollListner = function () {
let scroll = data.scrollRef; let scroll = scrollRef.value;
let bar = data.barRef; let bar = barRef.value;
// scroll // scroll
if (scroll) { if (scroll) {
wrapContentHeight = scroll.scrollHeight; wrapContentHeight = scroll.scrollHeight;
@ -162,9 +165,9 @@ export default defineComponent({
// //
data.barHeight = data.heightPre * trackHeight; data.barHeight = data.heightPre * trackHeight;
} }
}; };
// //
const onMosewheel = function (e) { const onMosewheel = function (e) {
// scrollTop // scrollTop
// offsetHeight // offsetHeight
// scrollHeight // scrollHeight
@ -180,13 +183,13 @@ export default defineComponent({
// + == // + ==
arrive("bottom"); arrive("bottom");
} }
}; };
// //
const arrive = function name(tb) { const arrive = function name(tb) {
ctx.emit("arrive", tb); emit("arrive", tb);
}; };
// //
const moveStart = function (e) { const moveStart = function (e) {
isMove = true; isMove = true;
// clientYy // clientYy
// data.translateY // data.translateY
@ -194,9 +197,9 @@ export default defineComponent({
moveClientY = e.clientY - data.translateY; moveClientY = e.clientY - data.translateY;
moveTo(); // moveTo(); //
moveEnd(); // moveEnd(); //
}; };
// thumbscrollTop // thumbscrollTop
const moveTo = function () { const moveTo = function () {
document.onmousemove = (e) => { document.onmousemove = (e) => {
// //
if (isMove) { if (isMove) {
@ -212,24 +215,18 @@ export default defineComponent({
data.translateY = e.clientY - moveClientY; data.translateY = e.clientY - moveClientY;
} }
// //
data.scrollRef.scrollTop = data.translateY / data.heightPre; scrollRef.value.scrollTop = data.translateY / data.heightPre;
} }
}; };
}; };
// //
const moveEnd = function () { const moveEnd = function () {
document.onmouseup = (e) => { document.onmouseup = (e) => {
if (isMove) { if (isMove) {
isMove = false; isMove = false;
} }
}; };
}; };
return { let dataRef = toRefs(data);
...toRefs(data),
onMosewheel,
moveStart,
};
},
});
</script> </script>