【正文】 ........................ 3 .................................................................................. ....................................................................... 3 ................................................................................. ...................................................................... 4 2 ................................................................................... ........................................................................ 4 ................................................................................... ........................................................................ 4 .................................................................................. ....................................................................... 4 .......................................................................... ............................................................... 4 (二 )日期與時(shí)間函 數(shù) ........................................................................................ ............................................... 4 .................................................................................... ......................................................................... 4 .............................................................................. ................................................................... 4 ..................................................................................... .......................................................................... 4 ................................................................................. ...................................................................... 5 ................................................................................... ........................................................................ 5 ................................................................................. ...................................................................... 5 .................................................................................... ......................................................................... 5 .................................................................................. ....................................................................... 5 ................................................................................... ........................................................................ 5 ........................................................................... ................................................................ 5 .................................................................................... ......................................................................... 6 ................................................................................. ...................................................................... 6 ................................................................................... ........................................................................ 6 ............................................................................. ................................................................... 6 .................................................................................. ....................................................................... 6 ................................................................................ ..................................................................... 6 ................................................................................ ..................................................................... 6 ......................................................