vue3-drr-grid-layout 防止碰撞

vue3-drr-grid-layou 设置 prevent-collision 属性可以防止单元格碰撞，就是拖动A1单元格移动到A2单元格时，不会改变A2单元格的位置，拖动时无法改变其他元素的位置。

防止碰撞

<!-- 设置 prevent-collision true防止碰撞 -->
<grid-layout :prevent-collision="true" > </grid-layout>

在线试一试

完整代码

<template>
  <div >拖动时无法改变其他元素的位置</div>
  <div id="content">
    <grid-layout 
      v-model:layout="layout"
      :col-num="12"
      :row-height="30"
      style="width: 100vw"
      :prevent-collision="true"
    >
      <template #default="{ gridItemProps }">
        <grid-item
          v-for="item in layout"
          :key="item.i"
          v-bind="gridItemProps"
          :x="item.x"
          :y="item.y"
          :w="item.w"
          :h="item.h"
          :i="item.i"
        >
          <div class="item">
            <label>{{ item.i }}</label> 
          </div>
        </grid-item>
      </template>
    </grid-layout>
  </div>
</template>

<script setup lang="ts">
/*
 vue3-drr-grid-layout 中文文档
 https://www.itxst.com/vue3-drr-grid-layout/tutorial.html
*/
import { getCurrentInstance, onMounted, ref } from "vue";
import { GridLayout, GridItem } from "vue3-drr-grid-layout";
import "vue3-drr-grid-layout/dist/style.css";
const _gridlayout = ref(null);
const layout = ref([
  { x: 0, y: 0, w: 2, h: 2, i: 0 },
  { x: 2, y: 0, w: 2, h: 2, i: 1 },
  { x: 4, y: 0, w: 2, h: 2, i: 2 },
  { x: 0, y: 1, w: 6, h: 2, i: 3 },
]);

 
</script>

<style scoped>
.droppable-element {
  width: 120px;
  text-align: center;
  background: #fdd;
  border: 1px solid black;
  margin: 10px 0;
  padding: 10px;
}
.item {
  display: flex;
  justify-content: space-between;
}
.item > span {
  margin-left: 10px;
  padding: 1px;
  border: solid 1px #ddd;
  cursor: pointer;
  background-color: rgb(171, 171, 171);
  color: #000;
  font-size: 11px;
}
</style>