优化动画效果,抽出组件

src/utils/index.ts

@@ -0,0 +1,12 @@
+// 设置歌手背景图片
+export const setBackgroundImg = (url: String) => {
+  return "background-image:" + "url(" + url + ")";
+};
+// 设置动画类型
+export const setAnimationClass = (type: String) => {
+  return "animate__animated " + type;
+};
+// 设置动画延时
+export const setAnimationDelay = (index: number = 6, time: number = 50) => {
+  return "animation-delay:" + index * time + "ms";
+};