Vue拖拽排序元件Vue-Slicksort解讀

npm i vue-slicksort -S

<div class="maintenance_img mt50 mb50 pl20 pr20" style="font-size: 16px;font-weight: 600;position: relative;">
    <!-- 拖拽 -->
    <SlickList
        :lockToContainerEdges="true"
        lockAxis="x"
        axis="x"
        v-model="maintenanceData.img_list"
        @input="getChangeLists"
        style="display: flex"
        >
        <SlickItem style="z-index: 10000" v-for="(item, index) in maintenanceData.img_list" :index="index" :key="index">
            <div class="maintenance_top">
                <img :src="item" @mouseover="changeMask(index)" @mouseout="changeMask(index)" alt="">
            </div>
        </SlickItem>
    </SlickList>
    <div style="display: flex;position: absolute;bottom: -15px;">
        <div class="maintenance_icon" v-for="(item, index) in maintenanceData.img_list" :key="index">
            <div class="img_bg" :ref="'mask' + index" @mouseover="changeMask(index)" @mouseout="changeMask(index)">
                <Icon @click.stop="isImgShow = true;bigImg = item" class="pointer" size="20" color="#000000" type="md-search" />
                <Icon @click.stop="downloadImg(item)" class="pointer" size="20" color="#000000" type="md-download" />
                <Icon @click.stop="movingItems(4, index)" class="pointer" size="20" color="#000000" type="md-trash" />
            </div>
        </div>
    </div>
    <!-- 600*330 -->
    <div class="add-img" v-if="maintenanceData.img_list.length<5">
        <span>
            <Icon type="md-add" size="30"></Icon>
        </span>
        <p>新增圖片</p>
        <input @change="uploadImegs($event, 1)" type="file" accept="image/*" />
    </div>
</div>

    import { SlickList, SlickItem } from "vue-slicksort";
    export default {
        components:{
            SlickItem,
            SlickList
        },
        data() {
            return {
                maintenanceData: {
                    img_list: [], //圖片
                },
            }
        },
        created() {
            
        },
        methods: {
            getChangeLists(vals) {
                // 拖拽完成後返回新的排序陣列
                console.log(vals);
            },
        },
    }

.maintenance_top {
    display: flex;
    z-index: 10000;
}
.maintenance_top {
    width: 140px;
    height: 78px;
    border: 1px dashed #ccc;
    border-radius: 6px;
    display: flex;
    align-items: center;
    position: relative;
    margin-right: 15px;
}
.maintenance_top > img{
    max-width: 138px;
    max-height: 138px;
    border-radius: 6px;
}
.maintenance_icon{
    width: 140px;
    display: flex;
    align-items: center;
    position: relative;
    margin-right: 15px;
}
.maintenance_img{
    display: flex;
}
.maintenance_img>div>div{
    z-index: 10000;
}
.maintenance_img > .add-img{
    display: block;
    width: 140px;
    height: 78px;
    border-radius: 6px;
} 
.img_bg{
    width: 100%;
    height: 40px;
    position: absolute;
    bottom: -20px;
    left: 0;
    border-radius: 6px;
    display: none;
    align-items: center;
    justify-content: space-evenly;
}

<template>
	<li class="list-item">
	    <!-- 拖動只在 span 元素上生效 -->
	    <span v-handle class="handle"></span>
	    {{item.value}}
	</li>
</template>

<script>
    import { ElementMixin, HandleDirective } from 'vue-slicksort';

    export default {
        mixins: [ElementMixin],
        directives: { handle: HandleDirective },
    };
</script>