<!-- row-key的row.id是你的行唯一标识,一般用id,翻页选的关键 --> :row-key="row => row.id" <!-- selection-change选择后的回调函数 --> @selection-change="selectedItemList = $event" > <el-table-column ... <!-- 选择框 --> type="selection" <!-- 回显的关键 --> reserve-selecti...