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php动态生成html,所以必须能看懂自己代码生成的代码
scandir
作用域
分页查询
选择器
bootstrap
文本控制+行快元素认识
pdo增删查改
后台管理页面
css
html标签基础+css选择器
键值数组模拟堆栈
php
定位