HIGH_SCHOOL = 1
__HIGH_SCHOOL = '高中及以下'
PROFESSIONAL = 2
__PROFESSIONAL = '专科'
UNDERGRADUATE = 3
__UNDERGRADUATE = '本科'
MASTER = 4
__MASTER = '研究生'
DOCTOR = 5
__DOCTOR = '博士及以上'
toArray()
desc( $name, $default = null)
name( $desc, $default = null)