表格组件选择框固定在左侧

src/combination/listComponent.vue

@@ -62,7 +62,7 @@
       :show-summary="tatolLabel?true:false"
       :summary-method="listTotal"
     >
-      <el-table-column type="selection" width="60" align="center"/>
+      <el-table-column type="selection" width="60" align="center" fixed="left"/>
       <el-table-column
         v-for="(item,index) in queryList.columnList"
         :key="index"