在action中必须是protected

protected String postname;
protected String newpost;
protected String tbTopic;

public void setPostname(String postname) {
this.postname = postname;
}


public void setNewpost(String newpost) {
this.newpost = newpost;
}

public void setTbTopic(String tbTopic) {
this.tbTopic = tbTopic;
}


protected IFroumService froumService;


public void setFroumService(IFroumService froumService) {
this.froumService = froumService;
}