<script type="text/javascript" src="/js/jquery/jquery.form.js"></script> //ajaxForm 依赖脚本
<script type="text/javascript" src="/js/jquery/jquery-1.8.0.min.js"></script>
<script type="text/javascript" src="/js/jquery/jquery.easyui.min.js"></script>

<form name="testForm" id="testForm" >
<input type="button" value="submit"/>
</form>
<script type="text/javascript">
var ajax_option={
url:"login",//默认是form action
success:function(data){
}
$('#testForm').ajaxSubmit(ajax_option);
}
</script>
//注意$("#testForm") 引号中名称必须要和form元素id值要保持一致

var options = { 
target: '#output1', // target element(s) to be updated with server response 
beforeSubmit: showRequest, // pre-submit callback 
success: showResponse // post-submit callback 
// other available options: 
//url: url // override for form's 'action' attribute 
//type: type // 'get' or 'post', override for form's 'method' attribute 
//dataType: null // 'xml', 'script', or 'json' (expected server response type) 
//clearForm: true // clear all form fields after successful submit 
//resetForm: true // reset the form after successful submit 
// $.ajax options can be used here too, for example: 
//timeout: 3000 
};