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发表于 2012-11-13 08:48:12
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1判断语句) n( Y. G4 y- R# j7 R
if <condition> then7 K, f9 I. f; w+ _) @4 I
<statement sequence1>;
2 X5 B @9 J/ P" M elseif <condition> then! x, Y% d! Z% t& T( R9 u
<statement sequence2>;2 v0 B5 @4 w6 ~* }5 ? l8 H& D
else
& h5 u' {/ c5 _: x; z F- k) [& l; [ <statement sequence3>;
1 h9 N- S' L0 f' F1 u end;. d' ^4 `* x) K. _7 I
如果分支比较多，用：4 B. A1 P& g6 R& V: |$ z. d5 s) h
inspect <expression>
8 y7 i0 P: O @" p$ W when <constant_list> then
) m: U; A; e# z! `7 E/ C <statement sequence1>;) q; o1 Q7 a P3 d& {) H
when <constant_list> then
. H6 j; O7 f- x0 d. [2 r3 h" ] <statement sequence2>;) l- W2 l+ L- E6 A! x9 A0 l
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else
/ U4 T7 G: F( e" X7 b* d* B) U <statement sequence3>;
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2循环语句
7 e Z2 h, \+ `/ U8 l (1) from <statement sequence1>
) C0 e: a! H3 e. t# R' Z1 o until <condition> loop
; A3 e5 C8 k2 P) o <statement sequence2>;
6 k0 n4 p! Z5 @+ v( k8 k* Y end;
: d5 p0 w; Q; x0 J$ r (2) while <condition> loop
; w# _" x4 ?- I/ P- ]; g <statement sequence1>;
* S3 ^2 K& y$ O$ h2 [8 g4 m$ ]! } end;
/ t- n: t1 q- m$ A9 }: i (3) repeat
! U" M3 M& g, _1 G! e2 Y2 \1 ^ <statement sequence1>;$ N3 s) z* I5 P4 u O6 \
until <condition>;
* @; L; C8 B! A# _ (4) for <condition> to <condition> loop% k8 F5 f; E+ S
<statement sequence1>;' G% H2 [) `# Z' S! K7 K' M
next;+ s8 j# A! Y+ n) E# A
3中断语句* |1 U# f/ |- P. D( R
waituntil <condition> prio <integer expression>;8 b: F, a- w# g' i& d
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以上为常用的函数！3 X9 j$ [" A C' M" X( E# Z
还有很多，如有需要我把资料发到你邮箱里
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