<el-table
                  ref="table"
                  :data="tableData"
                  :header-cell-style="{background: '#F0F2F7', color: '#606266'}"
                  @cell-mouse-enter="mouseEnter"
                  @cell-mouse-leave="mouseLeave"
                  @row-click="handRowClick"
                >
                  <el-table-column
                    align="center"
                    type="index"
                    width="50"
                    label="序號"
                  >
                  </el-table-column>
                  <el-table-column
                    align="center"
                    prop="metadataName"
                    label="元數據名稱"
                    show-overflow-tooltip
                  >
                  </el-table-column>
                  <el-table-column
                    align="center"
                    prop="metadataCode"
                    label="元數據代碼"
                    show-overflow-tooltip
                  >
                  </el-table-column>
                  <el-table-column
                    align="center"
                    prop="createTime"
                    label="發布時間"
                    width="140"
                  >
                  </el-table-column>
                </el-table>        

    // table自動滾動
    handScroll() {
      const table = this.$refs.table
      const divData = table.bodyWrapper
      this.tableInterval = setInterval(() => {
        divData.scrollTop += 3
        if (divData.clientHeight + divData.scrollTop == divData.scrollHeight) {
          divData.scrollTop = 0
        }
      }, 200)
    },
    //鼠標移入
    mouseEnter() {
      clearInterval(this.tableInterval)
      this.tableInterval = null
    },
    //鼠標移出
    mouseLeave() {
      this.handScroll()
    },