<el-table-column label="操作" width="120" align="center">
            <template slot-scope="scope">
              <el-dropdown placement="bottom" trigger="click">    //placement=""bottom"  这是弹出的位置，详情可见参数配置  trigger="click" 为点击方式，删除为hover方式
                <span class="el-dropdown-link">
                  <i class="el-icon-s-tools"></i>
                </span>
                <el-dropdown-menu slot="dropdown">
                  <el-dropdown-item v-if="scope.row.reviewStatus == 101" @click.native="handleDetails(scope.$index,scope.row)">编辑</el-dropdown-item>   //注意：直接写@click是无效的，需要加上修饰符 .native    括号里面的就是点击当条数据的所有参数
                  <el-dropdown-item v-else @click.native="handleDetails(scope.$index,scope.row)">详情</el-dropdown-item>
                  <el-dropdown-item @click.native="deletes(scope.$index,scope.row)">删除</el-dropdown-item>
                </el-dropdown-menu>
              </el-dropdown>
            </template>
          </el-table-column>

handleDetails (index, row) {
  console.log(index,row)  
}