html代码

<el-table  :data="prodata">

<el-table-column align="center" label="操作">

  <template slot-scope="scope">

    <el-button  @click="upLayer(scope.$index,scope.row)">上移</el-button>

    <el-button  @click="downLayer(scope.$index,scope.row)" >下移 </el-button>

  </template>

</el-table-column>

</el-table>

js代码

upLayer(index, row) {

    var that = this;

    if (index == 0) {

      that.$message({

        message: "处于顶端，不能继续上移",

        type: "warning"

      });

    } else {

      let upDate = that.prodata[index - 1];

      that.prodata.splice(index - 1, 1);

      that.prodata.splice(index, 0, upDate);

    }

  },

  downLayer(index, row) {

    var that = this;

    if (index + 1 === that.prodata.length) {

      that.$message({

        message: "处于末端端，不能继续下移",

        type: "warning"

      });

    } else {

      let downDate = that.prodata[index + 1];

      that.prodata.splice(index + 1, 1);

      that.prodata.splice(index, 0, downDate);

    }

  }