📄 sample6_4.jsp
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<%@ page contentType="text/html; charset=big5"%>
<%@ page import="com.star.*,java.util.Iterator"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>Ch06--级联菜单</title>
<link href="../css/style.css" rel="stylesheet" type="text/css">
<script language="javascript" src="ajax_func.js"></script>
<script language="javascript">
var currentNode = null;
var currentField = null;
function showSubNode(node,id,field) {
currentNode = node;
currentField = field;
if(currentNode.nextSibling.style.display=="none")
{
send_request("GET","getData.jsp?field="+field+"&id="+id.toString(),null,"text",pushData);
}
else
{
currentNode.nextSibling.style.display = "none";
}
}
function pushData() {
if (http_request.readyState == 4) { // ⌨️ 快捷键说明
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