javascript4.0(全选，展开)%@ page languagejava importjava.util.* pageEncodingUTF-8%%Strin
javascript4.0(全选，展开)
<%@ 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 'end.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 type="text/javascript">var value = <%= request.getParameter("number")%>;alert(value);function checkAll(){var s = document.getElementsByName("check");var m = document.getElementsByName("all")[0];if(m.checked){for(var i = 0; i < s.length; i++){s[i].checked = true;}}else{for(var i = 0; i < s.length; i++){s[i].checked = false;}}}function turn(){with(document){var m = getElementById("change");var n = getElementById("table");if(m.value == "收缩"){n.style.display = "none";m.value = "展开";}else{n.style.display = "block";m.value = "收缩";}}}</script> </head> <body> <table border="1" align="center" width="60%"> <tr> <td> <input type="checkbox" name="all" onclick="checkAll();">全选 </td><td><input type="button" value="收缩" id="change" onclick="turn();"></td> </tr> </table> <% int number = Integer.parseInt(request.getParameter("number")); %> <table border="1" align="center" width="60%" id="table"> <% for(int i = 1; i <= number; i++) {%> <tr> <td> <input type="checkbox" name="check"> </td> <td> <%= i %> </td> </tr> <%} %> </table> </body></html>