public List<PingjiaoStatusVO> getPingjiaoStatus(String grade,
			String semester, String course_name, String professionalName,
			String executiveClass, int beginPage, int endPage) {
		PingjiaoDAO dao = new PingjiaoDAO();
		if (course_name != null && course_name.equals("总计")) {
			course_name = "all";
		} else if (course_name != null && course_name.equals("全部")) {
			course_name = "%";
		}
		if (professionalName != null && professionalName.equals("全部")) {
			professionalName = "%";
		}
		if (executiveClass != null && executiveClass.equals("全部")) {
			executiveClass = "%";
		}
		return dao.getPingjiaoStatus(grade, semester, course_name,
				professionalName, executiveClass, beginPage, endPage);
	}