jquery - jQuery 폼 입력값 체크 예제

<%@ page language="java" contentType="text/html; charset=EUC-KR"
    pageEncoding="EUC-KR"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=EUC-KR">
<script type="text/javascript" src="/js/jquery-1.10.1.js"></script>
<script>
function fnSubmit(){
  if(fnMemberValidation() == false) return;

  if(confirm("저장하시겠습니까?")){
   alert("OK");
  }else{
   return;
  }
}

function fnMemberValidation(){

  if($.trim($('#name').val()) == ''){
   alert("성명을 입력하십시오.");
   $('#name').focus();
   return false;
  }
  if($.trim($('#email').val()) == ''){
   alert("이메일주소를 입력하십시오.");
   $('#email').focus();
   return false;
  }else{
   var emailExp = /([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/;
   if(!emailExp.test($('#email').val())){
    alert("이메일주소가 유효하지 않습니다.");
    $('#email').focus();
    return false;
   }
  }
  if(!($('#genderM')[0].checked == true || $('#genderW')[0].checked == true)){
   alert("성별을 선택하십시오.");
   $('#genderM').focus();
   return false;
  }

  if($('#smsyn').is(':checked') == false){
   alert("동의하십시오.");
   $('#smsyn').focus();
   return false;
  }

  if(($.trim($('#zipcode1').val()) == '') || ($.trim($('#zipcode2').val()) == '')){
   alert("우편번호를 입력하십시오.");
   $('#zipcode1').focus();
   return false;
  }else{
   var zipExp = /^\d{3}-\d{3}/;
   var zipCode = $('#zipcode1').val() + "-" + $('#zipcode2').val();
   if(!zipExp.test(zipCode)){
    alert("우편번호가 유효하지않습니다.");
    $('#zipcode1').focus();
    return false;
   }
  }

  return true;
}
</script>
<title>JQuery폼체크</title>
</head>
<body>
<form id="frm" method="post" action="">
<table width="600" cellpadding="1" cellspacing="1" border="1">
<colgroup><col width="20%"/><col width="80%"/></colgroup>
<tr>
     <td><label for="name">성명</label></td>
     <td><input type="text" name="name" id="name" value="" title="성명"/></td>
</tr>
<tr>
        <td><label for="email">이메일</label></td>
     <td><input type="text" name="email" id="email" value="" title="이메일"/></td>
</tr>
<tr>
  <td><label for="gender">성별</label></td>
  <td>
   <input type="radio" name="gender" id="genderM" value="M" title="남"><label for="gender">남</label> 
   <input type="radio" name="gender" id="genderW" value="W" title="여"><label for="gender">여</label>
  </td>
</tr>
<tr>
  <td><label for="smsyn">SMS수신여부</label></td>
  <td>
   <input type="checkbox" name="smsyn" id="smsyn" title="SMS수신여부"/>
  </td>
</tr>
<tr>
     <td><label for="name">우편번호</label></td>
     <td>
     <input type="text" name="zipcode1" id="zipcode1" value="" title="우편번호앞" size="4"/>-
     <input type="text" name="zipcode2" id="zipcode2" value="" title="우편번호뒤" size="4"/>
     </td>
</tr>
<tr>
     <td colspan="2" align="center">
     <input type="button" value="저장" onclick="javascrip:fnSubmit();"/>
     <input type="reset" value="취소"/>
     </td>
</tr>
</table>
</form>
</body>
</html>

jQuery 폼 입력값 체크 예제

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