我在JSF文档中读到过ResponseStateManager
有一个isPostBack()
方法。如何(以及在何处)拥有ResponseStateManager
的实例
发布于 2011-03-11 05:37:57
对于JSF1.2
public static boolean isPostback(){
FacesContext context = FacesContext.getCurrentInstance();
return context != null && context.getExternalContext().getRequestParameterMap().containsKey(ResponseStateManager.VIEW_STATE_PARAM);
}
https://stackoverflow.com/questions/427272
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