支持行拖动，列拖动

插件：sortablejs   

UI: elementUI 

<template>
  <div>
    <hr style="margin: 30px 0;">
    <div>
      <!-- 数据里面要有主键id， 否则拖拽异常 -->
      <h2 style="margin-bottom: 30px">【sortablejs】实现行拖拽和列拖拽</h2>
      <el-table :data="tableData" row-key="id" border style="width: 50%">
        <el-table-column
          v-for="(item, index) in colList"
          align="center"
          show-overflow-tooltip
          :key="`col_${index+1}`"
          :prop="dropCol[index].prop"
          :label="item.label"
          :min-width="item.minWidth"
          :class-name="item.className"
          :fixed="item.fixed"
        >
          <template v-if="item.prop =='setting'">
            <slot :name="item.prop" slot-scope="scope">
              <!-- 加上这列，如果不固定到右侧，会使得列拖拽异常 -->
              <!-- 右侧固定列不动   应该有特殊写法 -->
              <el-button size="mini">编辑{{scope.setting}}</el-button>
            </slot>
          </template>
        </el-table-column>
      </el-table>
    </div>
  </div>
</template>

<script>
import draggable from "vuedraggable";
import Sortable from "sortablejs";
import { mapState } from 'vuex';
export default {
  components: {
    draggable,
  },
  data() {
    return {
      dropCol: [
        {
          label:'日期',
          prop: 'date'
        },
        {
          label:'姓名',
          prop:'name'
        },
        {
          label:'地址',
          prop: 'address'
        },
        {
          label:'操作',
          prop: 'setting',
          width: 120
        }
      ],
      colList: [//多写了一个，和上面dropCol相同，为了防止列拖拽时数据不跟随
        {
          label:'日期',
          prop: 'date'
        },
        {
          label:'姓名',
          prop:'name'
        },
        {
          label:'地址',
          prop: 'address'
        },
        {
          label:'操作',
          prop: 'setting',
          width: 120,
          className: 'disabled',
          fixed: 'right'//固定到右侧，否则列拖拽异常
        }
      ],
      tableData: [
        {
          date: "2016-05-03",
          name: "A",
          address: "No. 189, Grove St, Los Angeles",
          id: 1,
          setting: 'setting1'
        },
        {
          date: "2016-05-02",
          name: "B",
          address: "No. 189, Grove St, Los Angeles",
          id: 2,
          setting: 'setting2'
        },
        {
          date: "2016-05-04",
          name: "C",
          address: "No. 189, Grove St, Los Angeles",
          id: 3,
          setting: 'setting3'
        },
        {
          date: "2016-05-01",
          name: "D",
          address: "No. 189, Grove St, Los Angeles",
          id: 4,
          setting: 'setting4'
        },
      ],
    };
  },
  mounted(){
    this.rowDrop()
    this.columnDrop()
  },
  methods: {
    rowDrop(){//行拖拽
      const tbody = document.querySelector('.el-table__body-wrapper tbody');
      const _this = this;
      Sortable.create(tbody,{
        animation: 180,
        delay: 0,
        onEnd({ newIndex, oldIndex }){
          const currRow = _this.tableData.splice(oldIndex, 1)[0];
          console.log(currRow,currRow.name)
          _this.tableData.splice(newIndex, 0, currRow)
          console.log('_this.tableData',_this.tableData)
        }
      })
    },
    columnDrop(){//列拖拽
      const theader = document.querySelector('.el-table__header-wrapper tr');
      this.sortable = Sortable.create(theader,{
        animation: 180,
        filter: '.disabled',
        onEnd: e=> {
          const oldItem = this.dropCol[e.oldIndex];
          this.dropCol.splice(e.oldIndex, 1);
          this.dropCol.splice(e.newIndex, 0, oldItem)
        }
      })
    }
  },
};
</script>

<style lang="less" scoped>
.drag-resize{
  height: 400px;
  width: 100%;
  background: rgb(196, 196, 139);
  border: 1px solid #888;
  border-radius: 2px;
  position: relative;//不设置这个，被拖拽的元素就跑外面去了
}
.drag-element-seat{
  width: 100%;
  height: 100%;
}
</style>