A: LEFT("FoxPro",3)与SUBSTR("FoxPro",1,3)
B: YEAR(DATE())与SUBSTR(DTOC(DATE())7,2)
C: TYPE("36-5*4")与TYPE(36-5*4)
D: 假定A="This",B="is a string"A-B与A+B
(责任编辑:admin) |
A: LEFT("FoxPro",3)与SUBSTR("FoxPro",1,3)
B: YEAR(DATE())与SUBSTR(DTOC(DATE())7,2)
C: TYPE("36-5*4")与TYPE(36-5*4)
D: 假定A="This",B="is a string"A-B与A+B
(责任编辑:admin) |