transition-group过渡动画

安装lodash库

cnpm install lodash -S

安装lodash-type

cnpm install @types/lodash -D

 
<script setup lang="ts">
import { ref } from "vue";
import _ from "lodash";
 
let list = ref(
  Array.apply(null, { length: 81 } as number[]).map((_, index) => {
    return {
      in: index,
      number: (index % 9) + 1,
    };
  })
);
 
const random = () => {
    list.value = _.shuffle(list.value);
}
script>
 
<style scoped>
.wraps {
  display: flex;
  flex-wrap: wrap;
  width: calc(25px * 10 + 9px);
}
.items {
  height: 25px;
  width: 25px;
  border: 1px solid #ccc;
  display: flex;
  justify-content: center;
  align-items: center;
}
.mmm {
    transition: all 1s;
}
style>