?2?:VFP???????? - PowerPoint PPT Presentation

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Title:

?2?:VFP????????

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Title: 2 VFP Author: CheneyCloud Last modified by: hep Created Date: 4/27/2005 8:51:28 AM Document presentation format – PowerPoint PPT presentation

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Title: ?2?:VFP????????


1
??? ???????
  • ??? ????
  • ??? ????????
  • ??? ???????
  • ??? ????

2
??????
  • ????
  • 1???VFP?????,????
  • 2????????????????
  • 3?????????????????
  • 4???VFP???????????,??????????
  • 5????????,???????,??????????
  • 6????????,?????,?????

3
??????
  • ????
  • 1??????????????????
  • 2????????????????????,?????????????????VFP???
  • 3????????????????
  • 4?????VFP??????????

4
?????
  • ??????
  • 1?????????
  • 2??????,????????
  • 3?????????,???
  • 4?????????
  • 5???????????
  • ??????
  • 1?????????
  • 2??????????
  • 3?????????

5
??? ????
  • 1. ????
  • ?????????????,?????????????
  • ???????
  • ???????????????
  • ????????
  • ??????
  • ???????
  • ???????
  • ??????????
  • VFP??????????????????

6
??? ????
  • 2?VFP??????
  • (1)???(Character) ??
  • (2)???(Numberic) ??
  • (3)???(Currency Y) 8
  • (4)???(Date) 8
  • (5)?????(DateTime) 8
  • (6)???(Logic) 1
  • (7)???(Float) ??
  • (8)????(Double) 8
  • (9)??(Integer) 4
  • (10)???(Memo) 4
  • (11)???(General) 4

7
??? ????
  • 3?VFP??????
  • ?6?????????,?5?????
  • ????????????,?????????????
  • ????????????

8
??? ????????
  • ????
  • ???????,???????????
  • 1??????
  • ????????????)
  • ?????????????
  • ??10?-12.3?3.1E12(?31012)
  • 2??????
  • ??????
  • ??????
  • ??12?5699.98?23.23

9
2.2.1 ??
  • ????
  • ?????
  • ??????
  • ????????????
  • ??
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