thinkphp使用

<code class="php">use think\Validate;

class UserController extends Controller
{
    public function create()
    {
        // 创建验证器实例
        $validate = Validate::make();

        // 定义验证规则
        $rules = [
            'username' => 'require|max:255',
            'email'    => 'require|email',
            'password' => 'require|min:6'
        ];

        // 验证请求数据
        if (!$validate->check($request->param(), $rules)) {
            // 验证失败，返回错误信息
            return $validate->getError();
        }

        // ... 其他代码
    }
}</code>

<code class="php">namespace app\validate\rule;

use think\Validate\Rule;

class Phone implements Rule
{
    public function checkValue($value): bool
    {
        return preg_match('/^1[34578]\d{9}$/', $value);
    }

    public function getErrorMessage(): string
    {
        return '手机号码格式不正确';
    }
}</code>

<code class="php">$validate = Validate::make();
$validate->rule('phone', 'app\validate\rule\Phone');</code>

<code class="php">$validate = Validate::make([
    'rules' => [
        'username' => 'require|max:255',
        'email'    => 'require|email',
        'password' => 'require|min:6'
    ],
    'scenes' => [
        'register' => ['username', 'email', 'password'],
        'login'    => ['username', 'password']
    ]
]);</code>

<code class="php">if (!$validate->check($request->param(), 'register')) {
    // 验证失败，返回错误信息
    return $validate->getError();
}</code>