0813TP作业

作业1：多例模式访问

实例

<?php
namespace app\admin\controller;

use app\BaseController;

class Index extends BaseController
{
    public function index()
    {
        echo 'hello worl22222d';
//        return '<style type="text/css">*{ padding: 0; margin: 0; } div{ padding: 4px 48px;} a{color:#2E5CD5;cursor: pointer;text-decoration: none} a:hover{text-decoration:underline; } body{ background: #fff; font-family: "Century Gothic","Microsoft yahei"; color: #333;font-size:18px;} h1{ font-size: 100px; font-weight: normal; margin-bottom: 12px; } p{ line-height: 1.6em; font-size: 42px }</style><div style="padding: 24px 48px;"> <h1>:) </h1><p> ThinkPHP V6<br/><span style="font-size:30px">13载初心不改 - 你***的PHP框架</span></p></div><script type="text/javascript" src="https://tajs.qq***/stats?sId=64890268" charset="UTF-8"></script><script type="text/javascript" src="https://e.topthink***/Public/static/client.js"></script><think id="eab4b9f840753f8e7"></think>';
    }
    public function a()
    {
        echo '我是杨发国';
    }
    public function hello($name = 'ThinkPHP6')
    {
        return 'hello,' . $name;
    }
}

作业2：数据库增删改查

实例

<?php
namespace app\admin\controller;

use app\BaseController;
use think\facade\Config;
use think\facade\Db;


class Index extends BaseController
{
    public function index()
    {
        //原生写法
//        $query = Db::query("select * from user where uid=2");
//      print_r($query);

//        $select = Db::table('user')->where('status',1)->select();
//        print_r($select);
//        $find = Db::table('user')->where('uid',1)->find();
//        print_r($find);
//        $data = ['phone'=>'13355555555','u_name'=>'穆念慈','sex'=>2];
//        $insert = Db::table('user')->insert($data);
//        print_r($insert);
//        $data = ['phone'=>'13422222222','u_name'=>'一灯大师'];
//        $update = Db::table('user')->where('uid',2)->update($data);
//        print_r($update);
        $delete = Db::table('user')->where('uid',1)->delete();
        print_r($delete);
    }

    public function execute()
    {
//        $execute = Db::execute("insert into user set `phone`='13211111111',`u_name`='一灯大师' ");
//        print_r($execute);
//        $execute = Db::execute("update user set `u_name`='杨发国' where `uid`=4 ");
//        print_r($execute);
    }

}