feat(countUp): 第一版，实现基础功能

src/index.ts

@@ -37,6 +37,7 @@ import LaySwitch from "./module/switch/index";
 import LayCollapse from "./module/collapse/index";
 import LayCollapseItem from "./module/collapseItem/index";
 import LayContainer from "./module/container/index";
+import LayCountUp from "./module/countUp/index";
 import LayMenu from "./module/menu/index";
 import LayMenuItem from "./module/menuItem/index";
 import LayMenuChildItem from "./module/menuChildItem/index";
@@ -128,6 +129,7 @@ const components: Record<string, IDefineComponent> = {
   LayModal,
   LayTooltip,
   LayInputNumber,
+  LayCountUp,
 };
 
 const install = (app: App, options?: InstallOptions): void => {

src/module/countUp/index.ts

@@ -0,0 +1,9 @@
+import type { App } from "vue";
+import Component from "./index.vue";
+import type { IDefineComponent } from "../type/index";
+
+Component.install = (app: App) => {
+  app.component(Component.name || "LayCountUp", Component);
+};
+
+export default Component as IDefineComponent;

src/module/countUp/index.vue

@@ -0,0 +1,74 @@
+<template>
+  <slot name="prefix"></slot>
+  <span ref="counterRef" style="font-family:sans-serif;" />
+  <slot name="suffix"></slot>
+</template>
+
+<script setup lang="ts">
+import { onMounted, ref, watch } from 'vue'
+import { CountUp } from 'countup.js'
+import type { CountUpOptions } from 'countup.js'
+
+export interface LayCountupProps {
+  endVal?: number; //显示的值
+  decimalPlaces?: number; // 小数位数
+  useGrouping?: boolean; // 是否使用千位分隔符
+  separator?: string; // 千位分隔符
+  useEasing?: boolean;  // 使用动画
+  duration?: number; // 动画持续时间
+  prefix?: string; // 前缀
+  suffix?: string; // 后缀
+  option?: CountUpOptions; // 选项
+}
+
+const props = withDefaults(defineProps<LayCountupProps>(), {
+  endVal: 0,
+  option: () => {
+    return {}
+  }
+});
+
+const counterRef = ref<HTMLDivElement | null>(null);
+const instance = ref<CountUp | null>(null);
+const {decimalPlaces,useGrouping,separator,useEasing,duration,prefix,suffix} = props;
+const defaultOptions: CountUpOptions = {
+  startVal: 0, // 开始数字
+  decimalPlaces: decimalPlaces ? decimalPlaces : 0, // 小数位数
+  useEasing: useEasing ? useEasing : true,  // 使用缓动动画
+  duration: duration ? duration : 2, // 动画持续时间
+  useGrouping: useGrouping ? useGrouping : true, // 是否使用千位分隔符
+  separator:separator ? separator : ",", // 千位分隔符
+  decimal:".", // 小数点分隔符
+  prefix: prefix ? prefix : "", // 前缀
+  suffix: suffix ? suffix : "", // 后缀
+}
+
+watch(
+  () => props.endVal,
+  () => {
+    update(props.endVal)
+  }
+);
+
+onMounted(() => {
+  createCounter()
+})
+
+const createCounter = () => {
+  if (!counterRef.value) return
+  const opts: CountUpOptions = Object.assign(defaultOptions, props.option)
+  instance.value = new CountUp(counterRef?.value, props.endVal, opts);
+  start();
+}
+
+const start = () => {
+  if (!instance.value) return
+  instance?.value.start();
+}
+
+const update = (newEndVal: number) => {
+  if (!instance.value) return
+  instance?.value.update(newEndVal);
+}
+
+</script>