public static boolean checkNull(String[] valueNames,String[] values ){
		for(int i = 0;i<values.length;i++){
			if(values[i]==null||"".equals(values[i])){
				JOptionPane.showMessageDialog(null, valueNames[i]+"不能为空", "提示", JOptionPane.INFORMATION_MESSAGE);
				return false;
			}
		}
		return true;
	}