很简单:
<el-table-columnprop="create_time"label="时间"width="120"><template slot="header" slot-scope="scope"> 重点是slot="header"<el-selectv-model="value"placeholder="年份选择"@change="selectChange"><el-optionv-for="item in options":key="item.value":label="item.label":value="item.label"/></el-select></template></el-table-column>
看效果: