code: public void setPostForm(boolean postForm) {
  		this.postForm = postForm;
  		getConfig().setProperty(SPIDER_POST_FORM, Boolean.toString(postForm));
  	}
docs: Sets if the forms should be submitted with the HTTP POST method. This option should not be used if the
  forms are not processed at all (processForm).
  
  @param postForm the new post form status