<?php
namespace app\admin\validate\enroll;
/**
* @title        : enrollStudents 验证器
* @desc         : 
* @icon fa fa-leaf
*/
use think\Validate;
class EnrollStudents extends Validate
{
	protected $rule = [
        "stage_code"=>"require",
        "volunteer"=>"require",
        "guardian"=>"require",
        "grade_code"=>"require",
	];
	protected $message =[
        'grade_code.require'=>'请填写就读年级',
        'stage_code.require'=>'请选择学段',
        'volunteer.require'=>'请填写志愿信息',
        'guardian.require'=>'请填写监护人信息'
	];

    //验证身份证
    public function checkIdCard($idcard) {
        if(empty($idcard)){
            return false;
        }else{
            $idcard = strtoupper($idcard); # 如果是小写x,转化为大写X
            if(strlen($idcard) != 18 && strlen($idcard) != 15){
                return false;
            }
            # 如果是15位身份证，则转化为18位
            if(strlen($idcard) == 15){
                # 如果身份证顺序码是996 997 998 999，这些是为百岁以上老人的特殊编码
                if (array_search(substr($idcard, 12, 3), array('996', '997', '998', '999')) !== false) {
                    $idcard = substr($idcard, 0, 6) . '18' . substr($idcard, 6, 9);
                } else {
                    $idcard = substr($idcard, 0, 6) . '19' . substr($idcard, 6, 9);
                }
                # 加权因子
                $factor = array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
                # 校验码对应值
                $code = array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
                $checksum = 0;
                for ($i = 0; $i < strlen($idcard); $i++) {
                    $checksum += substr($idcard, $i, 1) * $factor[$i];
                }
                $idcard = $idcard . $code[$checksum % 11];
            }
            # 验证身份证开始
            $IDCardBody = substr($idcard, 0, 17); # 身份证主体
            $IDCardCode = strtoupper(substr($idcard, 17, 1)); # 身份证最后一位的验证码

            # 加权因子
            $factor = array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
            # 校验码对应值
            $code = array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
            $checksum = 0;
            for ($i = 0; $i < strlen($IDCardBody); $i++) {
                $checksum += substr($IDCardBody, $i, 1) * $factor[$i];
            }
            $validateIdcard = $code[$checksum % 11];    # 判断身份证是否合理
            if($validateIdcard != $IDCardCode){
                return false;
            }else{
                return true;
            }
        }
    }
}