switch($name) {
                case 'user_id' :
                        // 금지 아이디 검사
                        if($oMemberModel->isDeniedID($value)) return new Object(0,'denied_user_id');

                        // 중복 검사
                        $member_srl = $oMemberModel->getMemberSrlByUserID($value);
                        if($member_srl && $logged_info->member_srl != $member_srl ) return new Object(0,'msg_exists_user_id');
                    break;
                case 'nick_name' :
                        // 중복 검사
                        $member_srl = $oMemberModel->getMemberSrlByNickName($value);
                        if($member_srl && $logged_info->member_srl != $member_srl ) return new Object(0,'msg_exists_nick_name');
                       
                    break;
                case 'email_address' :
                        // 중복 검사
                        $member_srl = $oMemberModel->getMemberSrlByEmailAddress($value);
                        if($member_srl && $logged_info->member_srl != $member_srl ) return new Object(0,'msg_exists_email_address');
                    break;
    case 'jumin' :    // 주민등록 번호 검사
      // 형식 검사
      if($oMemberModel->isTrueNumber($value)==false) return new Object(0,'msg_false_jumin_no');
      //중복 검사
      $member_srl = $oMemberModel->getMemberSrlByJumin($value);
      if($member_srl && $logged_info->member_srl != $member_srl) return new Object(0,'msg_exists_jumin');
     break;
    case 'jumin2' :   // 외국인 번호 검사.
      // 형식 검사
      if($oMemberModel->isTrueNumber2($value)==false) return new Object(0,'msg_false_jumin_no');
      //중복 검사
      $member_srl = $oMemberModel->getMemberSrlByJumin($value);
      if($member_srl && $logged_info->member_srl != $member_srl) return new Object(0,'msg_exists_jumin');
     break;
            }
        }
// 외국인가입이 필요없는 경우는  case  'jumin2' : 아래는 삭제 하셔도 됩니다.

 - line 532
/**
         * @brief 회원 가입
         **/
        function procMemberInsert() {
            $oModuleModel = &getModel('module');
            $config = $oModuleModel->getModuleConfig('member');

            // 관리자가 회원가입을 허락하였는지 검사
            if($config->enable_join != 'Y') return $this->stop('msg_signup_disabled');

            // 약관에 동의하였는지 검사 (약관이 있을 경우만)
            if($config->agreement && Context::get('accept_agreement')!='Y') return $this->stop('msg_accept_agreement');

            // 필수 정보들을 미리 추출
            $args = Context::gets('user_id','user_name','nick_name','jumin','homepage','blog','birthday','email_address','password','allow_mailing');
            $args->member_srl = getNextSequence();

            // 넘어온 모든 변수중에서 몇가지 불필요한 것들 삭제
            $all_args = Context::getRequestVars();
            unset($all_args->module);
            unset($all_args->act);
            unset($all_args->is_admin);
            unset($all_args->description);
            unset($all_args->group_srl_list);
            unset($all_args->body);
            unset($all_args->accept_agreement);
            unset($all_args->signature);

            // 메일 인증 기능 사용시 회원 상태를 denied로 설정
            if ($config->enable_confirm == 'Y') $args->denied = 'Y';

            // 모든 request argument에서 필수 정보만 제외 한 후 추가 데이터로 입력
            $extra_vars = delObjectVars($all_args, $args);
            $args->extra_vars = serialize($extra_vars);

            // member_srl의 값에 따라 insert/update
            $output = $this->insertMember($args);
            if(!$output->toBool()) return $output;

            // 로그인 시킴
            if ($config->enable_confirm != 'Y') $this->doLogin($args->user_id);

            $this->add('member_srl', $args->member_srl);
            if($config->redirect_url) $this->add('redirect_url', $config->redirect_url);
            if ($config->enable_confirm == 'Y') {
                $msg = sprintf(Context::getLang('msg_confirm_mail_sent'), $args->email_address);
                $this->setMessage($msg);
            }
            else $this->setMessage('success_registed');
        }

 - line 1444
/**
         * @brief member 테이블에 사용자 추가
         **/
        function insertMember(&$args, $password_is_hashed = false) {
            // trigger 호출 (before)
            $output = ModuleHandler::triggerCall('member.insertMember', 'before', $args);
            if(!$output->toBool()) return $output;

            // 멤버 설정 정보에서 가입약관 부분을 재확인
            $oModuleModel = &getModel('module');
            $config = $oModuleModel->getModuleConfig('member');

            $logged_info = Context::get('logged_info');

            // 임시 제한 일자가 있을 경우 제한 일자에 내용 추가
            if($config->limit_day) $args->limit_date = date("YmdHis", time()+$config->limit_day*60*60*24);

            // 입력할 사용자의 아이디를 소문자로 변경
            $args->user_id = strtolower($args->user_id);

            // 필수 변수들의 조절
            if($args->allow_mailing!='Y') $args->allow_mailing = 'N';
            if($args->denied!='Y') $args->denied = 'N';
            $args->allow_message= 'Y';

            if($logged_info->is_admin == 'Y') {
                if($args->is_admin!='Y') $args->is_admin = 'N';
            } else {
                unset($args->is_admin);
            }

            list($args->email_id, $args->email_host) = explode('@', $args->email_address);

            // 홈페이지, 블로그의 주소 검사
            if($args->homepage && !preg_match("/^http:\/\//i",$args->homepage)) $args->homepage = 'http://'.$args->homepage;
            if($args->blog && !preg_match("/^http:\/\//i",$args->blog)) $args->blog = 'http://'.$args->blog;

            // 모델 객체 생성
            $oMemberModel = &getModel('member');

            // 금지 아이디인지 체크
            if($oMemberModel->isDeniedID($args->user_id)) return new Object(-1,'denied_user_id');

            // 아이디, 닉네임, email address 의 중복 체크
            $member_srl = $oMemberModel->getMemberSrlByUserID($args->user_id);
            if($member_srl) return new Object(-1,'msg_exists_user_id');

            $member_srl = $oMemberModel->getMemberSrlByNickName($args->nick_name);
            if($member_srl) return new Object(-1,'msg_exists_nick_name');

            $member_srl = $oMemberModel->getMemberSrlByEmailAddress($args->email_address);
            if($member_srl) return new Object(-1,'msg_exists_email_address');
   
   $member_srl = $oMemberModel->getMemberSrlByJumin($args->jumin);
   if($member_srl) return new Object(-1, 'msg_exists_jumin');

            $oDB = &DB::getInstance();
            $oDB->begin();

            // DB에 입력
            $args->member_srl = getNextSequence();
            if($args->password && !$password_is_hashed) $args->password = md5($args->password);
            elseif(!$args->password) unset($args->password);

            $output = executeQuery('member.insertMember', $args);
            if(!$output->toBool()) {
                $oDB->rollback();
                return $output;
            }

            // 입력된 그룹 값이 없으면 기본 그룹의 값을 등록
            if(!$args->group_srl_list) {
                $default_group = $oMemberModel->getDefaultGroup(0);

                // 기본 그룹에 추가
                $output = $this->addMemberToGroup($args->member_srl,$default_group->group_srl);
                if(!$output->toBool()) {
                    $oDB->rollback();
                    return $output;
                }

            // 입력된 그룹 값이 있으면 해당 그룹의 값을 등록
            } else {
                $group_srl_list = explode('|@|', $args->group_srl_list);
                for($i=0;$i<count($group_srl_list);$i++) {
                    $output = $this->addMemberToGroup($args->member_srl,$group_srl_list[$i]);

                    if(!$output->toBool()) {
                        $oDB->rollback();
                        return $output;
                    }
                }
            }

            // 메일 인증 모드 사용시(가입된 회원이 denied일 때) 인증 메일 발송
            if ($args->denied == 'Y') {
                // 인증 DB에 데이터를 넣음
                $auth_args->user_id = $args->user_id;
                $auth_args->member_srl = $args->member_srl;
                $auth_args->new_password = $args->password;
                $auth_args->auth_key = md5(rand(0, 999999));
                $auth_args->is_register = 'Y';

                $output = executeQuery('member.insertAuthMail', $auth_args);
                if (!$output->toBool()) {
                    $oDB->rollback();
                    return $output;
                }

                // 메일 내용을 구함
                Context::set('auth_args', $auth_args);
                Context::set('member_info', $args);
               
             $member_config = $oModuleModel->getModuleConfig('member');
             if(!$member_config->skin) $this->member_config->skin = "default";
             if(!$member_config->colorset) $this->member_config->colorset = "white";
 
             Context::set('member_config', $member_config);
            
             $tpl_path = sprintf('%sskins/%s', $this->module_path, $member_config->skin);
             if(!is_dir($tpl_path)) $tpl_path = sprintf('%sskins/%s', $this->module_path, 'default');
            
             $oTemplate = &TemplateHandler::getInstance();
                $content = $oTemplate->compile($tpl_path, 'confirm_member_account_mail');

                // 사이트 웹마스터 정보를 구함
                $oModuleModel = &getModel('module');
                $member_config = $oModuleModel->getModuleConfig('member');

                // 메일 발송
                $oMail = new Mail();
                $oMail->setTitle( Context::getLang('msg_confirm_account_title') );
                $oMail->setContent($content);
                $oMail->setSender( $member_config->webmaster_name?$member_config->webmaster_name:'webmaster', $member_config->webmaster_email);
                $oMail->setReceiptor( $args->user_name, $args->email_address );
                $oMail->send();
            }

            // trigger 호출 (after)
            if($output->toBool()) {
                $trigger_output = ModuleHandler::triggerCall('member.insertMember', 'after', $args);
                if(!$trigger_output->toBool()) {
                    $oDB->rollback();
                    return $trigger_output;
                }
            }

            $oDB->commit(true);

            $output->add('member_srl', $args->member_srl);
            return $output;
        }

11. /xe/modules/member/member.model.php
 - line 244
/**
    * @brief jumin에 해당하는 member_srl을 구함
   **/
   function getMemberSrlByJumin($jumin){
    $args->jumin = $jumin;
    $output = executeQuery('member.getMemberSrl', $args);
    return $output->data->member_srl;
   }

 - line 270 ~ 321
/**
   * @brief 주민등록번호 형식 확인
   **/
  function isTrueNumber($jumin){
   $total = 0;
   for($i=0;$i<13;$i++){
    $sval = substr($jumin, $i, 1);
    if($i < 8){
     $total = $total + ($sval * ($i+2));
    }
    if($i > 7 && $i < 12){
     $total = $total + ($sval * ($i-6));
    }
   }
   $total = $total % 11;
   $total2 = 11 - $total;
   if($total2 > 9) $total2 = $total2 % 10;
   $total = substr($jumin, 12, 1);
   if($total == $total2) return true;
   else return false;
  }
  
  /**
   * @brief 외국인번호 확인
   **/
  function isTrueNumber2($jumin){
   for($i=0;$i<13;$i++){
    $buf[$i] = (int)substr($jumin, $i, 1);
   }
   $odd = (int)$buf[7] * 10 + (int)$buf[8];
   if($odd % 2 != 0){
    return false;
   }
   if(($buf[11] != 6) && ($buf[11] != 7) && ($buf[11] != 8) && ($buf[11] != 9)){
    return false;
   }
   $multi = "2, 3, 4, 5, 6, 7, 8, 9, 2, 3, 4, 5";
   $multipliers = str_split(",", $multi);
   $sum = 0;
   for($i=0;$i<12;$i++){
    $sum += (int)$bnf[$i] *= (int)$multipliers[$i];
   }   
   $sum = 11 - ($sum % 11);
   if($sum >= 10) $sum -= 10;
   $sum += 2;
   if($sum >= 10) $sum -=10;
   if($sum != $buf[12]) {
    return false;
   } else {
    return true; 
   }
  }
 // 외국인 가입이필요없는 경우 외국인 번호 체크 삭제

12. /xe/common/js/xml-js_filter.js
 - line 192 ~ 19
function XmlJsFilterExecuteFilter(filter, value) {
    switch(filter) {
        case "email" :
        case "email_address" :
                var regx = /^[_0-9a-zA-Z-]+(\.[_0-9a-zA-Z-]+)*@[0-9a-zA-Z-]+(\.[0-9a-zA-Z-]+)*$/;
                return regx.test(value);
            break;
        case "userid" :
        case "user_id" :
                var regx = /^[a-zA-Z]+([_0-9a-zA-Z]+)*$/;
                return regx.test(value);
            break;
        case "homepage" :
                var regx = /^(http|https|ftp|mms):\/\/[0-9a-z-]+(\.[_0-9a-z-\/\~]+)+(:[0-9]{2,4})*$/;      
                return regx.test(value);
            break;
        case "korean" :
                var regx = /^[가-힣]*$/;
                return regx.test(value);
            break;
        case "korean_number" :
                var regx = /^[가-힣0-9]*$/;
                return regx.test(value);
            break;
        case "alpha" :
                var regx = /^[a-zA-Z]*$/;
                return regx.test(value);
            break;
        case "alpha_number" :
                var regx = /^[a-zA-Z][a-zA-Z0-9\_]*$/;
                return regx.test(value);
            break;
        case "number" :
    return !isNaN(value);
   break;
  case "jumin" :
    return juminChk(value);
   break;
case "jumin2" :
    return juminChk2(value);
   break;
    }

    return null;
}

 - line 203 ~ 247
function juminChk(val) {
 var total = 0;
 var sval;
 for(i=0;i<13;i++) {
  sval = val.substr(i, 1);
  if(i < 8) {
   total = total + (sval * (i + 2));
  }
  if(i > 7 && i < 12) {
   total = total + (sval * (i - 6));
  }
 }
 total = total % 11;
 var total2 = 11 - total;
 if(total2 > 9) total = total2 % 10;
 total = val.charAt(12);
 
 if(total == total2) return true;
 else return false;
}

function juminChk2(val) {
 var sum = 0;
 var odd = 0;
 var buf = new Array(13);
 for(i=0;i<13;i++) buf[i] = parseInt(reg_no.charAt(i));
 odd = buf[7] * 10 + buf[8];
 if(odd % 2 != 0) {
  return false;
 } 
 if((buf[11] != 6) && (buf[11] != 7) && (buf[11] != 8) && (buf[11] != 9)) {
  return false;
 }
 var multipliers = [2, 3, 4, 5, 6, 7, 8, 9, 2, 3, 4, 5];
 for(i=0,sum=0;i<12;i++) sum += (buf[i] *= multipliers[i]);
 sum = 11 - (sum % 11);
 if(sum >= 10) sum -= 10;
 sum += 2;
 if(sum >= 10) sum -= 10;
 if(sum != buf[12]) {
  return false;
 } else {
  return true; 
 }
}

 - line 306 ~ 310
function XmlJsFilterCheckFieldItem() {
    for(var i=0; i<extra_vars.length;i++) {
        var name = extra_vars[i];
        this.addFieldItem(name, false, 0, 0, "", "");
    }

    for(var i=0; i<this.field.length;i++) {
        var item = this.field[i];
        var target = item[0];
        var required = item[1];
        var minlength = item[2];
        var maxlength = item[3];
        var equalto = item[4];
        var filter = item[5].split(",");

        if(typeof(this.fo_obj[target])=='undefined') continue;

        for(var j=0; j<notnull_list.length; j++) {
            if(notnull_list[j]==target) required = true;
        }

        var value = this.getValue(target);
        if(!required && !value) continue;
        if(required && !value && this.fo_obj[target]) return this.alertMsg(target,'isnull');

        if(minlength>0 && maxlength>0 && (value.length < minlength || value.length > maxlength)) return this.alertMsg(target, 'outofrange', minlength, maxlength);

        if(equalto) {
            var equalto_value = this.getValue(equalto);
            if(equalto_value != value) return this.alertMsg(target, 'equalto');
        }

        if(filter.length && filter[0]) {
            for(var j=0;j<filter.length;j++) {
                var filter_item = filter[j];
    if(filter_item == 'jumin') {
     if(document.getElementById(filter_item).form.foreigner.checked == true){
      filter_item == 'jumin2';
     }
    }
                if(!this.executeFilter(filter_item, value)) return this.alertMsg(target, "invalid_"+filter_item);
            }
        }
    }
    return true;
}

//외국인 번호를  체크하실게 아니면 역시  jumin2 관련 된 부분은 삭제 가능합니다.

13. /xe/modules/member/tpl/member_info.html
 - line 97 ~ 100
<tr>
 <th scope="row"><div>{$lang->juimn}</div></th>
 <td>{substr($member_info->jumin, 0, 6)} - {substr($member_info->jumin, 6, 7)}</td>
</tr>

14. /xe/modules/member/skins/default/member_info.html
 - line 37 ~ 40
<tr>
  <th><div>{lang->jumin}</div></th>
  <td>{substr($member_info->jumin, 0, 6)} - {substr($member_info->jumin, 6, 7)}</td>
 </tr>

15. /xe/modules/member/member.admin.model.php  // 관리자 페이지에서 주민등록번호로 검사
 - line 74 ~ 76
/**
         * @brief 회원 목록을 구함
         **/
        function getMemberList() {
            // 검색 옵션 정리
            $args->is_admin = Context::get('is_admin')=='Y'?'Y':'';
            $args->is_denied = Context::get('is_denied')=='Y'?'Y':'';
            $args->selected_group_srl = Context::get('selected_group_srl');

            $search_target = trim(Context::get('search_target'));
            $search_keyword = trim(Context::get('search_keyword'));

            if($search_target && $search_keyword) {
                switch($search_target) {
                    case 'user_id' :
                            if($search_keyword) $search_keyword = str_replace(' ','%',$search_keyword);
                            $args->s_user_id = $search_keyword;
                        break;
                    case 'user_name' :
                            if($search_keyword) $search_keyword = str_replace(' ','%',$search_keyword);
                            $args->s_user_name = $search_keyword;
                        break;
                    case 'nick_name' :
                            if($search_keyword) $search_keyword = str_replace(' ','%',$search_keyword);
                            $args->s_nick_name = $search_keyword;
                        break;
                    case 'email_address' :
                            if($search_keyword) $search_keyword = str_replace(' ','%',$search_keyword);
                            $args->s_email_address = $search_keyword;
                        break;
                    case 'regdate' :
                            $args->s_regdate = ereg_replace("[^0-9]","",$search_keyword);
                        break;
                    case 'regdate_more' :
                            $args->s_regdate_more = substr(ereg_replace("[^0-9]","",$search_keyword) . '00000000000000',0,14);
                        break;
                    case 'regdate_less' :
                            $args->s_regdate_less = substr(ereg_replace("[^0-9]","",$search_keyword) . '00000000000000',0,14);
                        break;
                    case 'last_login' :
                            $args->s_last_login = $search_keyword;
                        break;
                    case 'last_login_more' :
                            $args->s_last_login_more = substr(ereg_replace("[^0-9]","",$search_keyword) . '00000000000000',0,14);
                        break;
                    case 'last_login_less' :
                            $args->s_last_login_less = substr(ereg_replace("[^0-9]","",$search_keyword) . '00000000000000',0,14);
                        break;
                    case 'extra_vars' :
                            $args->s_extra_vars = ereg_replace("[^0-9]","",$search_keyword);
                        break;
     case 'jumin' :   // 검색대상이 jumin 이면..
       $args->s_jumin = ereg_replace("[^0-9]","",$search_keyword);
      break;
                }
            }

            // selected_group_srl이 있으면 query id를 변경 (table join때문에)
            if($args->selected_group_srl) {
                $query_id = 'member.getMemberListWithinGroup';
                $args->sort_index = "member.member_srl";
            } else {
                $query_id = 'member.getMemberList';
                $args->sort_index = "member_srl";
            }

            // 기타 변수들 정리
            $args->page = Context::get('page');
            $args->list_count = 40;
            $args->page_count = 10;
            return executeQuery($query_id, $args);
        }


16 . /xe/modules/member/quries/getMemberList.xml
 - line 16
<query id="getMemberList" action="select">
    <tables>
        <table name="member" />
    </tables>
    <columns>
        <column name="*" />
    </columns>
    <conditions>
        <condition operation="equal" column="is_admin" var="is_admin" />
        <condition operation="equal" column="denied" var="is_denied" pipe="and" />
        <group pipe="and">
            <condition operation="like" column="user_id" var="s_user_id" />
            <condition operation="like" column="user_name" var="s_user_name" pipe="or" />
            <condition operation="like" column="nick_name" var="s_nick_name" pipe="or" />
            <condition operation="like" column="email_address" var="s_email_address" pipe="or" />
   <condition operation="like" column="jumin" var="s_jumin" pipe="or" />
            <condition operation="like" column="extra_vars" var="s_extra_vars" pipe="or" />
            <condition operation="like_prefix" column="regdate" var="s_regdate" pipe="or" />
            <condition operation="like_prefix" column="last_login" var="s_last_login" pipe="or" />
            <condition operation="more" column="member.regdate" var="s_regdate_more" pipe="or" />
            <condition operation="less" column="member.regdate" var="s_regdate_less" pipe="or" />
            <condition operation="more" column="member.last_login" var="s_last_login_more" pipe="or" />
            <condition operation="less" column="member.last_login" var="s_last_login_less" pipe="or" />
        </group>
    </conditions>
    <navigation>
        <index var="sort_index" default="member_srl" order="desc" />
        <list_count var="list_count" default="20" />
        <page_count var="page_count" default="10" />
        <page var="page" default="1" />
    </navigation>
</query>



추가로 첨부파일에  /xe/modules/member/  폴더를 압축한 파일 첨부 합니다.

- 위 내용은 주민등록 번호가 필수 입력 사항이 아닙니다.
 
// 덧 :  이거 하느라 하느 업무의 반을 날려먹었군요 ㅎㅎ 오늘 좀 여유가 있어서 정리해봅니다.
그 동안 제가 올린 주민등록번호 입력 폼 게시물을 보고 고생 하셨던 분들에게 좀 더 도움이 되시길 바랍니다.

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