设计目的 USB was designed to standardize the connection of peripherals to personal computers, both to exchange data and to supply electric power. 一个是为了标准化电脑连接外设的方法。 能够支持电脑和外设的数据交互和(对外)供电。 目前已…
【有道云笔记】基本sql语句2—查询基础 数据库表结构
DROP TABLE IF EXISTS class;
CREATE TABLE class (id int(11) NOT NULL AUTO_INCREMENT,class_num varchar(11) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL COMMENT 班级号,class_name varchar(255) CHARACTE…
layout下面新建menu layout index.vue导入menu
import Menu from /views/layout/menu菜单实现:
<template><el-menuactive-text-color"#ffd04b"background-color"#2d3a4b"class"el-menu-vertical-demo"default-active&quo…