This is use.php

namespace app\index\controller;

use app\index\controller\Base;
use think\Request;
use app\index\model\ User as UserModel;

class user extends Base
{
//Login interface
public function login()
{
Return $this-> view -> fetch();
}

//Verify login $this ->validate($data,$rule,$msq)
public function checklogin(Request $request)
{
// The chef return value
$ Status = 0;
$ result = '';
$ data = $ Request -& GT; Param ();
# // Create verification rules
being having d to be entered in the ’name|username' => 'require',
'Verify | Verification Code' = & GT; 'Require | CAPTCHA', // Username must be filled in
];
// data,$rule);

//If the verification passes
if ($result === true){

//Construct query conditions
$map =[
'name' => $data['name'],
"password" => md5($data["password"]),

/Query user information
/
$status = 1;
$result = 'Verification passed, click [OK] to enter'; =>$status,'message'=>$result,'data'=>$data];
}

//Log out
public function logout()
{

}
}

This is the html of the login page login.html