判断复选框是否被选中的两种方法

这篇文章主要介绍了判断复选框是否被选中的两种方法,经测试还不错,大家可以学习下

复制代码 代码如下:


<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"https://www.jb51.net/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="https://www.jb51.net/<%=basePath%>">

<title>My JSP 'checkbox.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="<%=request.getContextPath() %>/jquery/jquery-1.7.min.js"></script>
<!--
<link type="text/css" href="https://www.jb51.net/styles.css">
-->
<script type="text/javascript">
$(function(){

//$("#box").click(function(){
// if ($("#box").attr("checked")=="checked") {
// alert("ss");
// }
//})

if ($("#box").is(":checked")) {
alert("df");
}

})
</script>
</head>

<body>
<input type="checkbox" checked="checked">
</body>
</html>

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