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    <el-table :data="tableData" style="width: 100%; height: 100%;font-size:1em;" :row-key="get_row":expand-row-keys="expand_rowkeys"><el-table-column type="expand"><template #default="props"><div style="box-sizing:border-box;padding:10px"><el-table :data="props.row.user" :border="false"><el-table-column label="执行人" prop="user_name" /><el-table-column label="任务" prop="title" :show-overflow-tooltip="true" /><el-table-column label="任务状态" prop="status"><template v-slot="scope"><span :class="getStatusColor(scope.row.status)">{{getStatusName(scope.row.status) }}</span></template></el-table-column><el-table-column label="截止时间" prop="finish_time" /><el-table-column label="操作" min-width="30" fixed="right"><template v-slot="scope"><div class="opera"><span class="link btncomplete iconfont icon-ziyuan165"v-if="scope.row.status != 2 && scope.row.status != 4 && (((userStore.info.id == scope.row.link_user_id || userStore.info.id == props.row.user_id)&&props.row.type!=3)||(userStore.info.id == scope.row.link_user_id&&props.row.type==3))"@click="handle_complete(scope.row, props.row)">&nbsp;&nbsp;确认</span></div></template></el-table-column></el-table></div></template></el-table-column><el-table-column prop="create_user" label="创建人" show-overflow-tooltip /><el-table-column prop="date" label="截止时间" show-overflow-tooltip /><el-table-column prop="created_at" label="创建时间" show-overflow-tooltip /><el-table-column label="操作" min-width="30" fixed="right"><template v-slot="scope"><div class="opera"><el-tooltip class="box-item" effect="dark"v-if="(scope.row.type == 3 || scope.row.user_id == userStore.info.id && scope.row.type != 3) && scope.row.status != 2"content="编辑" placement="top"><span class="iconfont icon-bianji" @click="handle_edit(scope.row)"></span></el-tooltip><el-tooltip class="box-item" effect="dark" content="关闭"v-if="scope.row.task_status != 4 && scope.row.status != 2 && (scope.row.type != 1 || (scope.row.type == 1 && scope.row.user_id == userStore.info.id))"placement="top"><span class="iconfont icon-guanbi" @click="handle_close(scope.row)"></span></el-tooltip></div></template></el-table-column></el-table>

获取数据的时候 

 expand_rowkeys.value = tableData.value.map(x => x.id);

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