判断复选框是否被选中的两种方法
(编辑：jimmy 日期: 2025/12/25 浏览：3 次 )
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+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=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="/UploadFiles/2021-04-02/jquery-1.7.min.js"><!--
<link rel="stylesheet" type="text/css" href="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" id="box" checked="checked">
</body>
</html>
<%@ 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 '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="/UploadFiles/2021-04-02/jquery-1.7.min.js"><!--
<link rel="stylesheet" type="text/css" href="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" id="box" checked="checked">
</body>
</html>
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