public function vilidate_test(){
    $phone = input('phone');
    $pwd = input('pwd');
    $pwd_confirm = input('pwd_confirm');
    $data = [
        'phone'                 => $phone
        ,'pwd'                  => $pwd
        ,'pwd_confirm'          => $pwd_confirm
    ];
    $rule = [
        'phone'                 => 'require|mobile'
        ,'pwd'                  => ['require','confirm','regex'=>'/^(?![0-9]+$)(?![a-z]+$)(?![A-Z]+$)(?!([^(0-9a-zA-Z)]|[\(\)])+$)([^(0-9a-zA-Z)]|[\(\)]|[a-z]|[A-Z]|[0-9]){6,}$/'] // tp6验证器规定‘如果正则表达式中包含有|符号的话，必须使用数组方式定义’
    ];
    $fun_type = 2;// 推荐用方法2省得写异常捕获
    if($fun_type == 1){
        // 方法1：基础BaseController控制器里的validate函数需要用try捕获不然验证失败会直接抛出异常（需要继承BaseController才可以用）
        try {
            $result = $this->validate($data,$rule);
        } catch (\Exception $e){
            print_r($e->getMessage());// 验证失败原因
        }
    } else if($fun_type == 2){
        // 方法二：tp里的Validate类
        $validate = \think\facade\Validate::rule($rule);
        if (!$validate->check($data)) {
            print_r($validate->getError());// 验证失败原因
        }
    }
}