问题截图 https://files.gitter.im/57d2b9ee40f3a6eec0646156/fSdz/image.png 预览效果 代码: <el-switch v-model="a"></el-switch> <el-table :data="tableData" :show-header="a" style="width: 100%"> <el-table-column fixed prop="date" label="日期" width="150"...