摘要： 1.composer设置国内镜像加速 composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/ 2.composer创建应用 composer create-project laravel/lara 阅读全文

摘要： 1.创建数据库 1 create database if not exists shop default character set utf8mb4 default collate utf8mb4_unicode_ci; 2.查询数据库中重复数据 select column,count(*) as 阅读全文