我有以下 jsp 页面，当我选择 MYAP_FORM 时，我希望显示隐藏的表单，但事实并非如此。
现在我只有一个没有显示的表单，我将添加更多，并根据选择显示正确的一个。
任何输入为什么我看不到相应的表单显示...
谢谢
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@ page import="java.io.*"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<c:set var="url">${pageContext.request.requestURL}</c:set>
<c:set var="baseURL" value="${fn:replace(url, pageContext.request.requestURI, pageContext.request.contextPath)}" />
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<link type="text/css" rel="stylesheet" href="${baseURL}/bootstrap/css/bootstrap.css">
<title>Testing</title>
</head>
<body>
<script src="${baseURL}/bootstrap/js/bootstrap.js"></script>
<form id="platform" class="container text-center">
<select id="myselect">
<option value="" selected="selected"></option>
<option value="MYAP_FORM">MYAP_FORM</option>
<option value="XYZ_FORM">XYZ_FORM</option>
</select>
</form>
<%
String file = application.getRealPath("/") + "xzyFiles.txt";
FileInputStream fis = new FileInputStream(file);
BufferedReader br = new BufferedReader(new InputStreamReader(fis));
String tmp;
out.println("<form class=\"container\" id=\"MYAP_FORM\" style=\"display:none\">");
while ((tmp = br.readLine()) != null) {
out.print("<label class=\"checkbox text-left\">");
out.print("<input type=\"checkbox\" id=\"" + tmp +"\" value=\"1\">" + tmp + "</BR>");
out.print("</label>");
}
fis.close();
out.println("<button class=\"btn btn-primary\">Submit</button>");
out.println("<button class=\"btn btn-primary\">Clear</button>");
out.println("</form>");
%>
<script>
$("#myselect").on("change", function() {
$("#" + $(this).val()).show();
})
</script>
</body>
</html>