匹配yyyy-MM-dd 或者yyyy-MM-dd HH:mm:ss
public static String DATE_RULE = "((((19|20)\\d{2})-(0?(1|[3-9])|1[012])-(0?[1-9]|[12]\\d|30))|(((19|20)\\d{2})-(0?[13578]|1[02])-31)|(((19|20)\\d{2})-0?2-(0?[1-9]|1\\d|2[0-8]))|((((19|20)([13579][26]|[2468][048]|0[48]))|(2000))-0?2-29))(\\s((([0-1][0-9])|(2?[0-3]))\\:([0-5]?[0-9])((\\s)|(\\:([0-5]?[0-9])))))?$";