1.
ActionMessage errors=new ActionMessage();
errors.add(“username“,new ActionMessage (“hello.no.username.errpr“));
return errors;

2.
每一個actionBean執(zhí)行execute方法最后調(diào)用return (mapping.findForward("SayHello"));
如果局部的mapping找不到就到全局global forward里面去找.


3.

????? <html:link forward="BeanServlet">
??????? BeanServlet
????? </html:link>


??? <forward?? name="BeanServlet"?????????? path="/BeanServlet.jsp"/>


4.
???? <bean:cookie id="cookie" name="/tags/cookiedemo" value="firsttime"/>
???? <%
?????? if (cookie.getValue().equals("firsttime")) {
???????? Cookie c = new Cookie("/tags/cookiedemo", "Hi Linda!");
???????? c.setComment("A test cookie");
???????? c.setMaxAge(3600); //60 seconds times 60 minutes
???????? response.addCookie(c);
?????? }
?????? %>
???? The cookie value is: <bean:write name="cookie" property="value"/>

轉(zhuǎn)載于:https://www.cnblogs.com/sunsonbaby/archive/2004/09/16/43853.html

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