<div class="div-tab">
            <el-table :data="bankLists" >
                <el-table-column prop="index" label="index" type="index" :index="indexMethod">
                </el-table-column>
                <el-table-column prop="id" label="编号">
                </el-table-column>
                <el-table-column prop="interfaceNo" label="交易号">
                </el-table-column>
                <el-table-column prop="remarks" label="备注">
                </el-table-column>
                <el-table-column prop="writer" label="作者">
                </el-table-column>
                <el-table-column prop="createDate" label="创建时间">
                </el-table-column>
                <el-table-column prop="modifyDate" label="修改时间">
                </el-table-column>
                <el-table-column prop="send" label="发送报文">
                </el-table-column>
                <el-table-column prop="receive" label="接受报文">
                </el-table-column>
                <el-table-column label="操作" width="100px">
                    <template slot-scope="scope">
                        <el-button size="small" type="primary"  icon="el-icon-edit" @click="bank_mapping_edit(scope.row)"></el-button>
                        <el-button size="small" type="danger"  icon="el-icon-delete" @click="bank_mapping_del(scope.row)"></el-button>
                    </template>
                </el-table-column>

            </el-table>
        </div>

参考这篇 scope

新版本的vue将scope变成slot-scope了

相当于el-table是一个插槽，它自带row index 各种属性，是父组件

scope=“scope”可以取得父组件的任何内容

先是在export default里给父组件传递data 然后scope可以拿到这个data为所欲为