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Jquery文档中serialize()方法的描述为：序列表表格内容为字符串。
以下是测试代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>Jquery实现只提交部分Form表单数据</title>
<meta name="description" content="">
<meta name="keywords" content="">
<style type="text/css">
.form {padding:15px;border: #FFE1D3 2px solid; background-color:#FFF0E7;border-radius: 3px;}
.section {position: relative;border-bottom: #FFE1D3 1px solid;}
.section .save {position: absolute; left:196px; top: 0;color: #2473CF;text-decoration: none;}
</style>
<script src="./js/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(function(){
$(‘.save‘).click(function(){
var a = $(this);
var section = a.closest(‘.section‘);
var f = $(‘<form></form>‘),
newForm = section.clone();
f.append(newForm);
var sectionData = f.serialize();
$.ajax({
url: a.attr(‘data-url‘),
type: "POST",
dataType: ‘json‘,
data: sectionData,
success: function(data){
console.log(data);
},
error:function(){
}
});
});
});
</script>
</head>
<body>
<div class="form">
<form method="post" action="">
<div class="section">
<a class="save" href="javascript:void(0);" data-url="formAction.php">保存</a>
<p><input type="text" name="username" placeholder="用户名"></p>
<p><input type="text" name="email" placeholder="Email"></p>
</div>
<div class="section">
<a class="save" href="javascript:void(0);" data-url="formAction.php">保存</a>
<p><input type="text" name="age" placeholder="年龄"></p>
<p>
<select name="gender">
<option value="m">男</option>
<option value="f">女</option>
</select>
</p>
</div>
<div class="section">
<input type="submit" value="提交">
</div>
</form>
</div>
</body>
</html>
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原文地址：http://my.oschina.net/ximidao/blog/464597
