包含部分自学时的笔记；适合初学者参考4.2 Date ToText 50 4.3 Date from 4. 4 Date To record 垂垂 52 45 Date year 4.6 Date Month 垂垂 4.7Date.Day…… 4. 8 Date. AddDays 53 4.9 Date. AddWeeks .54 4.10 Date. AddMonths 54 4.1 Date. AddQuarters 垂 55 4.2 Date. AddYears 4.3 Date. IsI