<%@ 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>My JSP 'jquery.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<script type="text/javascript" src="/common/easyui/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("input:checked").attr("checked",false);//取消已选中的复选框
}); </script> </head>
<body>
<form>
<form>
<input type="checkbox" name="newsletter" checked="checked" value="Daily" />
<input type="checkbox" name="newsletter" value="Weekly" />
<input type="checkbox" name="newsletter" checked="checked" value="Monthly" />
</form>
</form> </body>
</html>
效果图1-1
重点解释：
$("input:checked")：查找所有选中的复选元素框
注释：代码中取消勾选所有曾经选中的复选框。