DeadRabbit0 2014-03-03
http://www.vaikan.com/docs/jquery.form.plugin/jquery.form.plugin.html#
1. 在你的页面里写一个表单。一个普通的表单,不需要任何特殊的标记:
代码如下:
<form id="myForm" method="post" action="/Home/AjaxForm"> <div> Name:<input id="username" name="username" type="text" /> Password:<input id="password" name="password" type="text" /> <br /> <input type="submit" value="submit async" id="lnkSubmit" /> </div> </form>
2. 引入jQuery和Form Plugin Javascript脚本文件并且添加几句简单的代码让页面在DOM加载完成后初始化表单:
<head>
<script type="text/javascript" src="path/to/jquery.js"></script>
<script type="text/javascript" src="path/to/form.js"></script>
<script type="text/javascript">
// wait for the DOM to be loaded
$(document).ready(function() {
// bind 'myForm' and provide a simple callback function
// 为myform绑定ajaxForm异步提交事件,并提供一个简单的回调函数。
$('#myForm').ajaxForm(function() {
alert("Thank you for your comment!");
});
});
</script>
</head>
加上jquery.form组件后,提交表单时,页面不会再同步提交,而是由js做异步提交,因此提交后页面不会有刷新。
3. 加入能够与服务器端进行交互的回调函数。
代码如下:
$(document).ready(function () { //options是一个ajaxForm的配置对象。? var options = { //target: '#output1', // target element(s) to be updated with server response //beforeSubmit: showRequest, // pre-submit callback <FONT color=#ff0000> success: callBackFunc // post-submit callback</FONT> // 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 }; // bind form using 'ajaxForm' $('#myForm').ajaxForm(options); }); // responseText是服务端的响应值。statusText是页面 // 提交状态值,success表示成功。 function callBackFunc(responseText, statusText) { if (statusText == 'success') { alert(responseText); } else{ alert(“服务端错误!”); } } 如果返回的是json数据则回调函数可以这么写 function resultFunction(responseText,statusText) { if (statusText == 'success') { if (responseText.code == 1) { alert(responseText.message); } else { alert('error occurs!'); } } else { alert('服务器错误!'); } }
代码如下:
[HttpPost] public ActionResult AjaxForm(FormCollection form) { string message = "Name:" + form["username"] + " PWD: "+form["password"] ; //return Content(message); return Json(new { code = 1, message = message }); }
代码如下:
var options = { //target: '#output1', // target element(s) to be updated with server response <FONT color=#ff0000>beforeSubmit: checkData, // pre-submit callback </FONT> success: callBackFunc // 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 }; // pre-submit callback function checkData(formData, jqForm, options) { // formData is an array; here we use $.param to convert it to a string to display it // but the form plugin does this for you automatically when it submits the data //var queryString = $.param(formData); // jqForm is a jQuery object encapsulating the form element. To access the // DOM element for the form do this: var formElement = jqForm[0]; //alert('About to submit: \n\n' + queryString); // here we could return false to prevent the form from being submitted; // returning anything other than false will allow the form submit to continue //return true; if ($(formElement).find("#username").val() == "") { alert("please enter username!"); return false; } else { return true; } }