<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>jQuery Validate 插件 - 动态表单</title>
<link rel="stylesheet" type="text/css" media="screen" href="http://jquery.bassistance.de/validate/demo/css/screen.css">
<script src="http://jquery.bassistance.de/validate/lib/jquery.js" type="text/javascript"></script>
<script src="http://jquery.bassistance.de/validate/jquery.validate.js" type="text/javascript"></script>
<script type="text/javascript">
// 只用于演示
$.validator.setDefaults({
submitHandler: function() {
alert("submitted!");
}
});
$.validator.messages.max = jQuery.validator.format("Your totals mustn't exceed {0}!");
$.validator.addMethod("quantity", function(value, element) {
return !this.optional(element) && !this.optional($(element).parent().prev().children("select")[0]);
}, "请选择项目和数量。");
$().ready(function() {
$("#orderform").validate({
errorPlacement: function(error, element) {
error.appendTo( element.parent().next() );
},
highlight: function(element, errorClass) {
$(element).addClass(errorClass).parent().prev().children("select").addClass(errorClass);
}
});
var template = jQuery.validator.format($.trim($("#template").val()));
function addRow() {
$(template(i++)).appendTo("#orderitems tbody");
}
var i = 1;
// 开始时只有一行
addRow();
// 点击时添加更多行
$("#add").click(addRow);
// 检查 quantity 输入框的 keyup 动作，更新 totals 字段
$("#orderform").validateDelegate("input.quantity", "keyup", function(event) {
var totals = 0;
$("#orderitems input.quantity").each(function() {
totals += +this.value;
});
$("#totals").attr("value", totals).valid();
});
});
</script>
<style type="text/css">
form.cmxform { width: 50em; }
em.error {
background:url("/try/jquery/plugins/static/images/unchecked.gif") no-repeat 0px 0px;
padding-left: 16px;
}
em.success {
background:url("/try/jquery/plugins/static/images/checked.gif") no-repeat 0px 0px;
padding-left: 16px;
}
form.cmxform label.error {
margin-left: auto;
width: 250px;
}
form.cmxform input.submit {
margin-left: 0;
}
em.error { color: black; }
#warning { display: none; }
select.error {
border: 1px dotted red;
}
</style>
</head>
<body>
<div id="main">
<textarea style="display:none" id="template">
<tr>
<td>
<label>{0}. Item</label>
</td>
<td class="type">
<select name="item-type-{0}">
<option value="">请选择...</option>
<option value="0">Learning jQuery</option>
<option value="1">jQuery Reference Guide</option>
<option value="2">jQuery Cookbook</option>
<option vlaue="3">jQuery In Action</option>
<option value="4">jQuery For Designers</option>
</select>
</td>
<td class="quantity">
<input size="4" class="quantity" min="1" id="item-quantity-{0}" name="item-quantity-{0}">
</td>
<td class="quantity-error"></td>
</tr>
</textarea>
<form id="orderform" class="cmxform" method="get" action="foo.html">
<h2 id="summary"></h2>
<fieldset>
<legend>动态表单</legend>
<table id="orderitems">
<tbody>
</tbody>
<tfoot>
<tr>
<td colspan="2"><label>总共（最多 25）</label></td>
<td class="totals"><input id="totals" name="totals" value="0" max="25" readonly size="4"></td>
<td class="totals-error"></td>
</tr>
<tr>
<td colspan="2"> </td>
<td><input class="submit" type="submit" value="提交"></td>
</tr>
</tfoot>
</table>
</fieldset>
</form>
<button id="add">向表单添加输入框</button>
<h1 id="warning">您的表单包含大量的错误！请重新输入。</h1>
</div>
</body>
</html>