jquery实现预览提交的表单代码分享

    <form class="mform" id="myform" method="POST" id="myform" action=""> 
    <fieldset> 
    <legend>Registeration</legend> 
    <table cellspacing="0"> 
    <tbody> 
    <tr> 
    <td><label for="u_name"> Username :</label></td> 
    <td><input type="text" name="uname" id="u_name"> 
    <td> 
    </tr> 
    <tr> 
    <td><label for="u_pwd"> Password :</label></td> 
    <td><input type="password" name="uname" id="u_pwd"></td> 
    </tr> 
    <tr> 
    <td><label for="u_mail"> Email :</label></td> 
    <td><input type="email" name="uname" id="u_mail"></td> 
    </tr> 
    <tr> 
    <td><label for="u_country"> Country :</label></td> 
    <td><select name="Country" id="u_country"> 
    <option value="" selected="selected">Select Country</option> 
    <option value="United States">United States</option> 
    <option value="United Kingdom">United Kingdom</option> 
    <option value="China">China</option> 
    </select></td> 
    </tr> 
    <tr> 
    <td><span> Gender :</span></td> 
    <td><input type="radio" name="gender" id="male" value="male"> 
    <label for="male"> Male</label> 
    <input type="radio" name="gender" id="female"  value="female"> 
    <label for="female"> Female </label></td> 
    </tr> 
    <tr> 
    <td><label for="subscribe"> Subscribe Us : </label></td> 
    <td><input type="checkbox" id="subscribe" name="subscribe" value="yes"></td> 
    </tr> 
    <tr> 
    <td></td> 
    <td><input type="submit" value="submit"></td> 
    </tr> 
    </tbody> 
    </table> 
    </fieldset> 
    </form> 
<script src="../../js/jquery-1.9.1.min.js"></script>
<link rel="stylesheet" type="text/css" href="previewForm/previewForm.css" />
<script src="previewForm/previewForm.js"></script>

<script> 
$(document).ready(function() { 
    $('#myform').previewForm(); 
}); 
</script>

(function($){

 $.fn.previewForm = function(options){
  var form_settings = $.extend({
   identifier         : 'label',
   show_password        : true,
   extratext    : 'Do You Want To submit',
   yes  : 'yes',
   no  : 'no',
   title  : 'Please preview'   
  }, options);

   var dia_log; 
   var renderBUTTON;
   var this_frm;
   this_frm = $(this);

 $(this).submit(function (){

 if($('#pfomdata').length){
      return true;
     }

  
  dia_log="";
  var needle_cnfrm;

  if(this.id.length > 0){ needle_cnfrm = '#'+this.id+' label'; }
  else  { needle_cnfrm = '.'+$(this).attr('class')+' label'; }

 $(needle_cnfrm).each(function(i,val) {
  if($(this).text().length >2){

 what_t= $('#'+$(this).attr('for')) ;

 switch(what_t.prop('type')){
 case 'password':
 if(!form_settings.show_password)
  dia_log +=$(this).text() + " your selected password<br/>";
 else
  dia_log +=$(this).text() +what_t.val()+"<br/>";
  break;
 case 'select-one':
 dia_log +=$(this).text()  +$('#'+$(this).attr('for')+' option:selected').text()+"<br/>";
  break;
 case 'radio':
 if( what_t.is(':checked'))
 dia_log +=$(this).text() +' '+what_t.val()+"<br/>";
  break;
 case 'checkbox':
 if( what_t.is(':checked'))
 dia_log +=$(this).text() +' '+what_t.val()+"<br/>";
  break;
 case 'undefined':
  break;
 default:
 dia_log +=$(this).text() +what_t.val()+"<br/>";
 break;

 }
 }
  });
  dia_log = dia_log.replace('undefined', '');

  
  renderBUTTON="";
  renderBUTTON += '<a href="javascript:void(0);" class="button form_yes">'+form_settings.yes+'<span></span></a>';
  renderBUTTON += '<a href="javascript:void(0);" class="button form_no">'+form_settings.no+'<span></span></a>';

  var renderTemplate = [
   '<div id="previewOverlay">',
   '<div id="previewBox">',
   '<h1>',form_settings.title,'</h1>',
   '<p>',dia_log,'</p>',
   '<p>',form_settings.extratext,'</p>',
   '<div id="previewButtons">',
   renderBUTTON,
   '</div></div></div>'
  ].join('');

  $(renderTemplate).hide().appendTo('body').fadeIn();

 $(".form_yes") .click(function(){
   var input = $("<input>").attr("type", "hidden").attr("id", "pfomdata").val("true");
    this_frm.append($(input));
    this_frm.submit();
   });

 $(".form_no") .click(function(){
    $('#previewOverlay').fadeOut(function(){
    $(this).remove();
     });
   });

 return false;

  });
 }

})(jQuery);

#previewOverlay{
 width:100%;
 height:100%;
 position:fixed;
 top:0;
 left:0;
 background:url('ie.png');
 background: -moz-linear-gradient(rgba(11,11,11,0.1), rgba(11,11,11,0.6)) repeat-x rgba(11,11,11,0.2);
 background:-webkit-gradient(linear, 0% 0%, 0% 100%, from(rgba(11,11,11,0.1)), to(rgba(11,11,11,0.6))) repeat-x rgba(11,11,11,0.2);
 z-index:100000;
}

#previewBox{
 background:url('body_bg.jpg') repeat-x left bottom #e5e5e5;
 width:460px;
 position:fixed;
 left:50%;
 top:50%;
 margin:-130px 0 0 -230px;
 border: 1px solid rgba(33, 33, 33, 0.6);

 -moz-box-shadow: 0 0 2px rgba(255, 255, 255, 0.6) inset;
 -webkit-box-shadow: 0 0 2px rgba(255, 255, 255, 0.6) inset;
 box-shadow: 0 0 2px rgba(255, 255, 255, 0.6) inset;
}

#previewBox h1,
#previewBox p{
 font:26px/1 'Cuprum','Lucida Sans Unicode', 'Lucida Grande', sans-serif;
 background:url('header_bg.jpg') repeat-x left bottom #f5f5f5;
 padding: 18px 25px;
 text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.6);
 color:#666;
}

#previewBox h1{
 letter-spacing:0.3px;
 color:#888;
}

#previewBox p{
 background:none;
 font-size:16px;
 line-height:1.4;
 padding-top: 7px;
}

#previewButtons{
 padding:15px 0 25px;
 text-align:center;
}

#previewBox .button{
 display:inline-block;
 background:url('buttons.png') no-repeat;
 color:white;
 position:relative;
 height: 33px;

 font:17px/33px 'Cuprum','Lucida Sans Unicode', 'Lucida Grande', sans-serif;

 margin-right: 15px;
 padding: 0 35px 0 40px;
 text-decoration:none;
 border:none;
}

#previewBox .button:last-child{ margin-right:0;}

#previewBox .button span{
 position:absolute;
 top:0;
 right:-5px;
 background:url('buttons.png') no-repeat;
 width:5px;
 height:33px
}

#previewBox .form_yes{    background-position:left top;text-shadow:1px 1px 0 #5889a2;}
#previewBox .form_yes span{   background-position:-195px 0;}
#previewBox .form_yes:hover{  background-position:left bottom;}
#previewBox .form_yes:hover span{ background-position:-195px bottom;}

#previewBox .form_no{    background-position:-200px top;text-shadow:1px 1px 0 #707070;}
#previewBox .form_no span{   background-position:-395px 0;}
#previewBox .form_no:hover{  background-position:-200px bottom;}
#previewBox .form_no:hover span{ background-position:-395px bottom;}