教程里包含16个AJAX程序源码，设计到的AJAX控件编程包含：Display3DGenderPieChart，DisplayBikeLargeImage， DisplayBikeSmallImage， DisplayCategoryPhoto， DisplayGenderPieChart等，对学习图形处理技巧非常有帮助-16 AJAX tutorials, embodying program source code, design and programming of the AJ

是一个web版的例子：里面是ext4.0配合servlet的编程实例(后台管理的)。例子中有常用的控件：tree、grid、浮动窗口、tab、form(带验证码)等等。-Is a web version of the example: there is ext4.0 instance with the servlet programming (background management). There are examples of commonly used control: tree, gr