회원가입 #6

addForm.php(저장경로 : ~/public_html/php/member/14)
idCheck.php(저장경로 : ~/public_html/php/member/14)
modForm.php(저장경로 : ~/public_html/php/member/14)
zipcode.php(저장경로 : ~/public_html/php/member/14)