📄 categorylistajax.jsp
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<%@ page language="java" contentType="text/html; charset=GB18030"
pageEncoding="GB18030"%>
<%@ page import="com.bjsxt.shopping.category.*, java.util.*"%>
<%
List<Category> categories = CategoryService.getInstance().getTopCategories();
%>
<html>
<head>
<script language="javascript" src="script/TV20.js"></script>
<script language="javascript">
var req;
var gKey;
function init() {
if(window.XMLHttpRequest) {
req = new XMLHttpRequest();
} else if (window.ActiveXObject) {
req = new ActiveXObject("Microsoft.XMLHTTP");
}
}
function myLabelDblClick(key, parentKey) {
if(findNode(key).subitems.length > 0) return;
init();
gKey = key;
var url = "GetCategoryChilds2.jsp?id=" + escape(key);
req.open("GET", url, true);
req.onreadystatechange = callback;
req.send(null);
}
function callback() {
if(4 == req.readyState) {
if(200 == req.status) {
eval(req.responseText);
var node = findNode(gKey);
if(node.subitems.length > 0) {
node.refresh();
node.open();
}
}
}
}
</script>
</head>
<body>
<script language="javascript">
<!--
addListener("dblclick", "myLabelDblClick");
addNode(-1,0,"类别","images/top.gif");
<%
for(int i=0; i<categories.size(); i++) {
Category c = categories.get(i);
%>
addNode(<%=c.getPid()%>,<%=c.getId()%>,"<%=c.getName()%>","images/top.gif");
<%
}
%>
showTV();
-->
</script>
</body>
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