Struts 1.2.2 新功能体验(一) 日期: 2004-09-01 作者: 2002PP
Struts 1.2.2于昨天正式发布了,相信Struts Fans们一定是迫不及待的想要体验一把吧. 下面要介绍的就是我的Struts 1.2.2的初次体验.
(-) org.apache.struts.action.Action的改动.
在Action类中增加了addMessages、addErrors、getErrors、getMessages四个方法 便于处理ActionMessages和ActionErrors.
I. protected void addMessages( HttpServletRequest request, ActionMessages messages)
II. protected void addErrors( HttpServletRequest request, ActionErrors errors)
III. protected ActionErrors getErrors(HttpServletRequest request)
IV. protected ActionMessages getMessages(HttpServletRequest request)
下面的代码片断是关于ActionMessages的(ActionErrors的例子类似):
ActionMessages messages=getMessages(request); //xx.xx.xx代表Resource Bundle中的Key值. ActionMessage msg=new ActionMessage("xx.xx.xx"); messages.add(ActionMessages.GLOBAL_MESSAGE,msg); addMessages(request,messages);
//在1.2.2中不必调用saveMessages将ActionMessages对象保存到request. //因为,在addMessages中已经包含了此功能. //具体可参见Struts 1.2.2的Action源代码.

|