Vue Grid Layout - ️ Vue.js 实现工作台的card拖拽效果

npm install vue-grid-layout --save

 import VueGridLayout from 'vue-grid-layout';

<template>
    <div>
        <grid-layout :layout.sync="layout"
                     :col-num="colNum"
                     :row-height="30"
                     :is-draggable="draggable"
                     :is-resizable="resizable"
                     :vertical-compact="true"
                     :use-css-transforms="true"
        >
            <grid-item v-for="item in layout"
                       :static="item.static"
                       :x="item.x"
                       :y="item.y"
                       :w="item.w"
                       :h="item.h"
                       :i="item.i"
            >
            <el-card class="box-card" style="width: 100%;height: 100%;">
              <div slot="header" class="clearfix">
                <span>卡片名称</span>
                <el-button style="float: right; padding: 3px 0" type="text">操作按钮</el-button>
              </div>
              <div v-for="o in 4" :key="o">
                {{'列表内容 ' + o }}
              </div>
            </el-card>
            </grid-item>
        </grid-layout>
    </div>
</template>
 
<script>
import { GridLayout, GridItem } from "vue-grid-layout"
export default {
    components: {
        GridLayout,
        GridItem
    },
    data() {
        return {
            layout: [
                { x: 0, y: 0, w: 4, h: 5, i: "0" },
                { x: 2, y: 0, w: 4, h: 5, i: "1" },
                { x: 4, y: 0, w: 4, h: 5, i: "2" },
                { x: 6, y: 0, w: 4, h:5, i: "3" },
                { x: 8, y: 0, w: 4, h: 5, i: "4" },
            ],
            draggable: true,
            resizable: true,
            colNum: 12,
        }
    },
    mounted() {
        
    },
    methods: {
        
    }
}
</script>
 
<style>
.layoutJSON {
    background: #ddd;
    border: 1px solid black;
    margin-top: 10px;
    padding: 10px;
}
.columns {
    -moz-columns: 120px;
    -webkit-columns: 120px;
    columns: 120px;
}
/*************************************/
.remove {
    position: absolute;
    right: 2px;
    top: 0;
    cursor: pointer;
}
.vue-grid-layout {
    background: #eee;
}
.vue-grid-item:not(.vue-grid-placeholder) {
    background: #ccc;
    /*border: 1px solid black;*/
}
.vue-grid-item .resizing {
    opacity: 0.9;
}
.vue-grid-item .static {
    background: #cce;
}
.vue-grid-item .text {
    font-size: 24px;
    text-align: center;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    height: 100%;
    width: 100%;
}
.vue-grid-item .no-drag {
    height: 100%;
    width: 100%;
}
.vue-grid-item .minMax {
    font-size: 12px;
}
.vue-grid-item .add {
    cursor: pointer;
}
.vue-draggable-handle {
    position: absolute;
    width: 20px;
    height: 20px;
    top: 0;
    left: 0;
    background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10'><circle cx='5' cy='5' r='5' fill='#999999'/></svg>") no-repeat;
    background-position: bottom right;
    padding: 0 8px 8px 0;
    background-repeat: no-repeat;
    background-origin: content-box;
    box-sizing: border-box;
    cursor: pointer;
}
</style>