// empty 没有值，返回1，有值返回0$user = Db::table('oyk_user')->where('uid',16)->select();if($user->isEmpty()) {}// =, !=,> >=$user = D...

const Mock = require('mockjs')const user = { 'id|+1':1, title:'@ctitle()', cname:'@cname', sentence:'@csentence(1...

//请老师帮我看看这个下一页这样写对不对，我电脑数据库打不开，没测试

// 注册类的自动加载器spl_autoload_register(function ($class){ // 将路径分隔符替换: $path = str_replace('\\', DIRECTORY_SEPARATOR, $class);...

// 异步功能 async function check(btn){ // 拿到邮箱的值，并且做过滤 const email = btn.form.email.valu...

&...