session和request的用法,仅作参考:
定义一个BasicAction继承ActionSupport实现SessionAware,ServletRequestAware这两个接口,然后再定义两个成员变量protected Map<String, Object> session;protected HttpServletRequest request;最后定义两个方法:
public void setSession(Map<String, Object> session) {
this.session = session;
}
public void setServletRequest(HttpServletRequest request) {
this.request = request;
}
其他action可以继承BasicAction,需要用session或request时直接request.setAttribute("cid", cid);
页面获取属性都是一样的方式
一个项目中用到的实例
public class BaseAction extends ActionSupport implements SessionAware{
/**
*
*/
private static final long serialVersionUID = 7284375843476500697L;
private Map session;
public void setSession(Map arg0) {
this.session = arg0;
}
public void addInfoToSession(String sessKey, Object value)
{
this.session.put(sessKey, value);
}
//sessKey 是单点登录中用的
public Object getSessionInfoByKey(String sessKey)
{
return this.session.get(sessKey);
}
}