动态加载树，点一个节点时，用ajax到数据库去取该节点的子节点...

Extjs 文件图片管理系统 Extjs 文件图片管理系统-this is ExtJS

【实例简介】

javaweb开发的使用Ajax实现下拉列表从数据库读取数据级联，简单，适合初学者，里面附含数据库，直接部署到myeclipse中运行即可。

C:Documents and SettingsAdministrator桌面srccomjavaeedevutil-C: Documents and Settings Administrator Desktop src com javaeedev util

java结合ext的例子，方便大家学习，功能简单但很实用-java with ext example, to facilitate them to learn, features a simple but very practical

用AJAX 做的一个在线聊天室，基于CSS,JAVASCRIPT等。(Do an online chat room using AJAX, CSS, JAVASCRIPT.)

说明：  ajax异步请求 较为基础，适合刚学的同学看，同时欢迎大神指正(Ajax asynchronous request is more basic, suitable for students just learn to see, while welcoming God correction)

动态加载树，点一个节点时，用ajax到数据库去取该节点的子节点-Dynamic loading tree node points, the use of ajax to the database to fetch the child nodes of the node

说明：  本系统主要为企业内部通信而设计，它操作简单方便，界面简洁美观；更方便地访问企业公共资源；及时显示企业公共信息，在通信窗口显示对方的IP信息；局域网内用户自动搜索；系统运行稳定、安全可靠。(This system is mainly designed for internal communications, it is simple and convenient operation, simple and beautiful interface easier access to corporate public resources timely public information display companies in the communications window to display each other s IP information LAN users automatically search system operation stable, safe and reliable.)