thinkphp6 verification code use

1: The verification code package needs to be installed.

composer require topthink/think-captcha

2: need to import package

use think\captcha\facade\Captcha;

class Index 
{
    //输出验证码
	public function verify()
    {
        return Captcha::create();    
    }
}

3: open session

Open the path: app/middleware.php; uncomment the session in it

4: Need to introduce session and start verification

		if(!captcha_check($date['code'])){
		 // 验证失败	
			 return json(['code'=>'1','msg'=>'验证码错误']);
		}