调整分页的数量

src/views/purchase/PurchaseDemandList/index.vue

@@ -200,7 +200,7 @@
           @size-change="handleSizeChange"
           @current-change="handleCurrentChange"
           :current-page="queryParams.pageNum"
-          :page-sizes="[10, 15, 20]"
+          :page-sizes="[10, 20 ,50 ,100 ,300]"
           :page-size="100"
           layout="total, sizes, prev, pager, next, jumper"
           :total=total>