预想使用focus等事件，考虑到浏览器不支持的缘故，便使用了
页面代码
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>委员基础信息维护</title>
<!-- 加载easyui样式表 -->
<link rel="stylesheet" type="text/css" href="plugins/jquery/jquery-easyui-1.1.2/themes/default/easyui.css">
<link rel="stylesheet" type="text/css" href="plugins/jquery/jquery-easyui-1.1.2/themes/icon.css">
<!-- 加载jquery -->
<script type="text/javascript" src="plugins/jquery/jquery-1.4.2.min.js"></script>
<!-- 加载easyui -->
<script type="text/javascript" src="plugins/jquery/jquery-easyui-1.1.2/jquery.easyui.min.js"></script>
<!-- 加载jquery-form -->
<script type="text/javascript" src="plugins/jquery/jquery.form.js"></script>
<!-- 加载自定义js -->
<script type="text/javascript" src="javascript/sysmanage/personinfo.js"></script>
</head>
<body style="background: #c7dcf1;">
<form id="upForm" method="POST" enctype="multipart/form-data">
<table>
<tr>
<td>
<input type="button" name="" id="" value="委员维护"
onclick="show_win()">
</td>
</tr>
</table>
<div id="win" style="background-color: #d1e1f0;" model="true">
<br>
<fieldset>
<legend style="font-size: 14; font-weight: bold">
委员基本信息
</legend>
<div style="float: left;">
<table width="1150" border="0">
<tr>
<td width="155" >委员证号：</td>
<td width="97" ><label>
<input type="text" name="committeemannumber" id="committeemannumber" size="13"/>
</label></td>
<td width="94" >届次：</td>
<td width="97"><label>
<input type="text" name="sessions" id="sessions" size="13"/>
</label></td>
<td colspan="4"> </td>
<td colspan="2" rowspan="6">
<div id="right" style="float: none; text-align: center;">
<div style="width: 120px; height: 150px; background-color: #cccccc">
<img id="userPhoto"/>
</div>
<br>
<input type="button" id="" name="" value=" 上传 " onclick="return show_upload();">
<input type="button" value=" 修改 ">
<div id="uploadWin" class="easyui-window" title="My Window" closed="true">
<!-- <form id="upForm" method="POST" enctype="multipart/form-data">
上传文件：<input type="file" name="file" id="theFile"/>
<br/>
<input type="submit" value="提交" onclick="return upload();"/>
<input type="button" value="取消" />
<div id="upMessage" style="displan:hidden"></div>
</form> -->
上传文件：<input type="file" name="file" id="theFile"/>
<br/>
<input type="submit" value="提交" onclick="return upload();"/>
<input type="button" value="取消" />
<div id="upMessage" style="displan:hidden"></div>
</div>
</div>
</td>
</tr>
<tr>
<td>姓名：</td>
<td><label>
<input type="text" name="name" id="name" size="13" />
</label></td>
<td>性别：</td>
<td><label>
<input type="text" name="sex" id="sex" size="13"/>
</label></td>
<td width="113">民族：</td>
<td width="97"><label>
<input type="text" name="nationality" id="nationality" size="13"/>
</label></td>
<td width="103">出生日期：</td>
<td width="97"><label>
<input type="text" name="birthday" id="birthday" size="13" class="easyui-datebox"/>
</label></td>
</tr>
<tr>
<td height="26">工作系统：</td>
<td><label>
<input type="text" name="worksystem" id="worksystem" size="13"/>
</label></td>
<td>所在地：</td>
<td><label>
<input type="text" name="locus" id="locus" size="13"/>
</label></td>
<td>保密电话：</td>
<td><label>
<input type="text" name="secrettelephone" id="secrettelephone" size="13"/>
</label></td>
<td>学历：</td>
<td><label>
<input type="text" name="degree" id="degree" size="13"/>
</label></td>
</tr>
<tr>
<td>单位名称：</td>
<td colspan="3"><label>
<input type="text" name="unit" id="unit" size="50"/>
</label></td>
<td>行政级别：</td>
<td><label>
<input type="text" name="rank" id="rank" size="13"/>
</label></td>
<td>单位电话：</td>
<td><label>
<input type="text" name="unittelephone" id="unittelephone" size="13"/>
</label></td>
</tr>
<tr>
<td>现任职务：</td>
<td colspan="3"><label>
<input type="text" name="post" id="post" size="50"/>
</label></td>
<td>社会兼职：</td>
<td colspan="3"><label>
<input type="text" name="sideline" id="sideline" size="50"/>
</label></td>
</tr>
<tr>
<td>单位地址：</td>
<td colspan="3"><label>
<input type="text" name="unitaddress" id="unitaddress" size="50"/>
</label></td>
<td>单位邮编：</td>
<td><label>
<input type="text" name="unit_number" id="unit_number" size="13"/>
</label></td>
<td>交换箱号：</td>
<td><label>
<input type="text" name="exchangeboxnumber" id="exchangeboxnumber" size="13"/>
</label></td>
</tr>
<tr>
<td>家庭地址：</td>
<td colspan="3"><label>
<input type="text" name="houseaddress" id="houseaddress" size="50"/>
</label></td>
<td>家庭邮编：</td>
<td><label>
<input type="text" name="housepostalcode" id="housepostalcode" size="13" />
</label></td>
<td>家庭电话：</td>
<td><label>
<input type="text" name="housetelephone" id="housetelephone" size="13"/>
</label></td>
<td width="142">手机号：</td>
<td width="91"><label>
<input type="text" name="mobiletelephone" id="mobiletelephone" size="13"/>
</label></td>
</tr>
<tr>
<td height="31">电子邮箱：</td>
<td colspan="3"><label>
<input name="email" type="text" id="email" size="50"/>
</label></td>
<td>文件去向：</td>
<td><label>
<input type="text" name="docwhither" id="docwhither" size="13"/>
</label></td>
<td>职业专长：</td>
<td><label>
<input type="text" name="occupation" id="occupation" size="13"/>
</label></td>
<td>职称：</td>
<td><label>
<input type="text" name="professiontitle" id="professiontitle" size="13"/>
</label></td>
</tr>
<tr>
<td>参政日期：</td>
<td><label>
<input type="text" name="franchisedate" id="franchisedate" size="13" class="easyui-datebox"/>
</label></td>
<td>党派：</td>
<td><label>
<input type="text" name="party" id="party" size="13"/>
</label></td>
<td>小组：</td>
<td><label>
<input type="text" name="team" id="team" size="13"/>
</label></td>
<td>界别：</td>
<td><label>
<input type="text" name="sector" id="sector" size="13"/>
</label></td>
<td>政协职务：</td>
<td><label>
<input type="text" name="pccpost" id="pccpost" size="13"/>
</label></td>
</tr>
<tr>
<td>专委会及职务：</td>
<td colspan="2"><label>
<input type="text" name="committee" id="committee" size="28"/>
</label></td>
<td><label>
<input type="text" name="committeepost" id="committeepost" size="13"/>
</label></td>
<td>当前状态：</td>
<td colspan="3"><label>
<input type="text" name="currentstatus" id="currentstatus" size="50"/>
</label></td>
<td>当前状态日期：</td>
<td><label>
<input type="text" name="currentstatusdate" id="currentstatusdate" size="13" class="easyui-datebox"/>
</label></td>
</tr>
<tr>
<td>司机姓名：</td>
<td colspan="3"><label>
<input type="text" name="driver_name" id="driver_name" size="50"/>
</label></td>
<td>司机电话：</td>
<td colspan="3"><label>
<input type="text" name="driver_telephone" id="driver_telephone" size="50"/>
</label></td>
<td>车牌：</td>
<td><label>
<input type="text" name="car_number" id="car_number" size="13"/>
</label></td>
</tr>
<tr>
<td>简介：</td>
<td colspan="9"><label>
<textarea name="resume" id="resume" cols="90" rows="5"></textarea>
</label></td>
</tr>
</table>
</fieldset>
<br>
<fieldset>
<legend style="font-size: 14; font-weight: bold">
委员用户信息
</legend>
<table>
<tr>
<td>
<label>
用户名：
</label>
<input type="text" name="username" id="username" size="32">
</td>
<td>
<label>
用户密码：
</label>
<input type="password" name="password" id="password" size="32">
</td>
<td>
<label>
用户密码确认：
</label>
<input type="password" name="confirmPassword" id="confirmPassword" size="32">
</td>
</tr>
</table>
</fieldset>
<div style="clear: both; text-align: center;">
<table>
<tr>
<td>
<input type="submit" value=" 确定 " onclick="return submitInfo();">
<input type="button" value=" 取消 " onclick="return close_win();">
</td>
</tr>
</table>
</div>
</div>
</form>
</body>
</html>
?
判断其中任意一个文本框的值是否被修改
//绑定事件
//为界面上的所有元素添加focusin和focusout事件，
//用于判断用户是否修改了该值
function bindEvent()
{
var temp;
$("#committeemannumber,#sessions,#name,#committeemannumber,#sessions,#username,#sex,#nationality,#birthday,#worksystem,#locus,#secrettelephone,#degree,#unit,#rank,#unittelephone,#post,#sideline,#unitaddress,#exchangeboxnumber,#houseaddress,#housepostalcode,#housetelephone,#mobiletelephone,#email,#docwhither,#occupation,#professiontitle,#franchisedate,#party,#team,#sector,#pccpost,#committee,#committeepost,#currentstatus,#currentstatusdate,#resume,#car_number,#driver_name,#driver_telephone,#unit_number").bind({
focusin:function (){
//取得当前元素的id
//alert(this.id);
//alert("获得焦点时的值是："+$(this).val());
temp=$(this).val();
},
focusout:function (){
//alert("失去焦点时的值是："+$(this).val());
var lastValue=$(this).val();
if(temp!=lastValue&&null!=lastValue&&""!=lastValue)
{
alert("值改变了！");
}
else
{
alert("没有变!");
}
}
});
}
?
当然需要
$(document).ready(function() {
bindEvent();
});
?