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发表于 2012-11-13 08:48:12
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1判断语句
# r9 g! p0 {; Z if <condition> then1 l$ V5 A: p& w
<statement sequence1>;
) }! `9 Y1 v! k1 P( A( B elseif <condition> then. C5 F6 P) C6 `% |9 f' B T
<statement sequence2>;
5 E* W! C/ _# H+ [& c4 k5 P else * `0 B- o, I# y6 ^4 F h
<statement sequence3>;! K# N3 M# G! o: s
end;, b k. ]7 X; Y* D0 E' n/ `3 O
如果分支比较多，用：
. g( J, o/ G4 {6 D inspect <expression>
9 c! F. Q) G; H, D9 j, [ when <constant_list> then
! t: r& c# Y2 r8 `5 j <statement sequence1>;
. d: M! b* s- t when <constant_list> then1 t1 d; L# D* F, k% z# M
<statement sequence2>;8 v) d8 ?# `/ X0 A. N
...
2 v3 Y5 y! i, c5 f else
8 n' y4 N3 P% H+ V. _ <statement sequence3>;- Y5 K7 V5 D# G7 Y3 N' }5 g
end;4 r7 y& d# U! Q2 O# K6 H
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2循环语句
/ e. H5 m5 @( R% s+ o: L (1) from <statement sequence1>2 B5 x4 O% e& A4 U, l+ D9 ~
until <condition> loop% l- _, Z j/ f1 F- U# S4 b+ x
<statement sequence2>;
; |$ s: _ H5 [ end;4 p5 t6 v$ u+ c1 @
(2) while <condition> loop
. J8 m: R* W$ \8 F8 Z6 M. I4 q <statement sequence1>;& @7 D" ^5 R7 V& a
end;/ I: \, ~# u- i( q! K u1 _) [# a
(3) repeat / } L3 q3 i5 n' g/ L/ Y
<statement sequence1>;: z- o u+ ?% K' i! ~( a" L c/ q
until <condition>;
! J R/ U" ?7 d) R j (4) for <condition> to <condition> loop
0 U& h% `* u6 z5 N3 u <statement sequence1>;0 d, x* ]# ?& y
next;9 h- s& {( J8 Q! l; i9 w
3中断语句$ G2 O0 i, l+ } |. z
waituntil <condition> prio <integer expression>;; n/ O7 D9 ~# o* ~) v2 |( m
4 \+ O/ j; Y4 h
! R" f# O- W7 L6 g7 a2 K& V8 d3 u以上为常用的函数！
! y" A5 M! J% I' ? O! m还有很多，如有需要我把资料发到你邮箱里
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