PHP Laravel 连接并访问数据库

第一次连接数据库

数据库配置位于config/database.php
数据库用户名及密码等敏感信息位于.env文件
创建一个测试表laravel_course

<?php

namespace AppHttpControllers;

use IlluminateSupportFacadesDB;
use AppHttpControllersController;

class UserController extends Controller
{
    /***
    *为指定用户显示详情
    *@param int $id
    *@return Response
    *@author ebookApp
    **/
    public function show($id,$name)
    {
        $users = DB::select('select id,title,video,created from laravel_users'); //依赖 extension=php_pdo_mysql.dll
        
        dump($users);
        //return "Hello,".$id.$name;
        //return     view('user.profile',['user'=>User::findOrFail($id)]);    
        return view('helloworld',['id'=>$id,'name'=>$name,'records'=>30]);
    }
    
    public function list($id)
    {
        return "123456789-".$id;
    }
}