连接数据库实现登录页面

1、数据库
Database: `booksshop`
--
-- --------------------------------------------------------


--
-- 表的结构 `think_user`


--


CREATE TABLE IF NOT EXISTS `think_user` (
  `user_id` int(11) NOT NULL,
  `user_name` varchar(255) NOT NULL,  
  `UserPasswd` varchar(255) DEFAULT NULL,
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

2、控制器login.php
<?php
namespace app\index\controller;
use think\View;
use think\Controller;
use app\index\model\User;
/**
 *
 */
class login extends Controller{
  public function index(){
    $view = new View();
    return $view->fetch('index');
  }
  public function login($user_name='',$user_passwd=''){
    $user = User::get([
        'user_name' => $user_name,
        'UserPasswd' => $user_passwd
        ]);
    if($user){
        echo '登录成功'.$user_name.md5($user_passwd);
    }else{
        return $this->error('登录失败');
    }
  }
}

3、model 

User.php

<?php
namespace app\index\model;
use think\Model;
class User extends Model{
    protected $pk = 'user_id';//设置主键

}


4、HTML模板代码  在 view目录创建login目录 再创index.html

login/index

<!DOCTYPE>
<html>
<head>
    <title>登录</title>
</head>
<style>
    dl{
        text-align:center;
        border:2px solid #00CC99;
        margin-top:100px;
margin-bottom:100px;
margin-right:400px;
margin-left:400px;
    }
</style>
<body>
    <div id="login_form">
<form action="login" method="post">
    <dl>

    <dt>
        <p>用户名:<input type="text" name="user_name"></p>
    </dt>


    <dt>
        <p>密码:<input type="password" name="user_passwd"></p>
    </dt>

    <dt>
<div>{:captcha_img()}</div>
    </dt>

    <dt>
        <p><input type="submit" value="登录"></p>
    </dt>
    </dl>
</form>
</div>
</body>
</html>

访问路径因为它是位于前台index 所以为

http://localhost/tp5/public/index.php/index/login/index

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转载自blog.csdn.net/clearloveyt/article/details/80264920