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<%@ 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 'test1.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"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> <script src="js/jquery-2.1.1.min.js" type="text/javascript"> </script> </head> <body> <form action="#" id="form"> <div> <input type="text" name="username" placeholder="用户名" id="usernmae"><br> <input type="password" name="password" placeholder="密码" id="password"><br> </div> <div> <input type="checkbox" name="all" id="all">全选 <input type="checkbox" name="all" id="all-res">全不选<br> <input type="checkbox" name="perfer" id="perfer" value="篮球">篮球<br> <input type="checkbox" name="perfer" id="perfer" value="羽毛球">羽毛球<br> <input type="checkbox" name="perfer" id="perfer" value="乒乓球">乒乓球<br> </div> </form> </body> <script language="JavaScript"> $("form #all").click(function(){ var $s=$("form #perfer"); var $text=""; for(var i=0;i<$s.length;i++){ if($s[i].checked){ $text+=$s[i].value; }else{ $($s[i]).attr("checked","checked"); } } $("form #all-res").removeAttr("checked"); alert($text); }); $("form #all-res").click(function(){ var $s=$("form input[name='perfer']"); $($s).each(function(){ $(this).removeAttr("checked"); }); $("form #all").removeAttr("checked"); }); </script> </html> 本文转自 matengbing 51CTO博客，原文链接:http://blog.51cto.com/matengbing/1865945
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