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发表于 2012-11-13 08:48:12
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1判断语句6 _7 x8 @+ z( j/ E2 j8 @1 m: V- w
if <condition> then
% I$ [8 w8 W! H* D <statement sequence1>;5 t% B* m& D9 x8 m: s; o7 Q: i0 b
elseif <condition> then$ f8 ?1 R0 u4 M3 z- j# ]
<statement sequence2>;
3 c& ]. @1 t6 w) J3 q- [ else
" s8 H' u( b: ^6 _( O# t <statement sequence3>;
; Y" J! {- Q$ M end;
, X* A; S& D e9 c* J- O如果分支比较多，用：4 K2 i1 N4 Z% S2 x" f: x7 p$ a4 e
inspect <expression>' u6 N# D! h: L9 i5 h
when <constant_list> then" [4 N3 `: a7 u+ z
<statement sequence1>;
% \' G; f% M. L: ~) X when <constant_list> then
0 A" m- @% A$ b- |' K <statement sequence2>;
9 y% ]1 o& \, A( O ...
w% P, Q' R+ J0 o* j else
0 I. W# S8 i6 E1 y! } <statement sequence3>;
0 B) {* c' m( E. T1 D* _. I4 Jend;
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. h, B4 z1 Y S: }6 c2循环语句5 M' l) e& ~8 x
(1) from <statement sequence1>/ b1 U, ~. t8 H
until <condition> loop
. ^/ L, J; T) f/ |# ^+ A, S. _& s <statement sequence2>;& l) K! s1 L4 f- Q8 M P
end;
0 M8 N3 `8 @4 B+ A- j0 c- w# M (2) while <condition> loop( d+ A; P6 u, {% j; L; O- e
<statement sequence1>;3 l% \- K9 q2 [" B' S& \- a
end;
9 r. M: H, L% [9 y! v" ^ (3) repeat
! m1 R" F) y, N( C) z. }% f$ n <statement sequence1>;3 o p' u3 w/ t: \
until <condition>;9 M+ _5 w+ n8 S0 B5 f4 T
(4) for <condition> to <condition> loop
, _5 P9 G+ h( G3 V& C <statement sequence1>;
9 z/ N$ w7 p2 }1 H! d next;
( b$ D. b! L: s+ {" g$ ~3中断语句
- t7 Q% f4 s9 k% Z p& N waituntil <condition> prio <integer expression>;2 x: s% d4 V1 I# H) E) K
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以上为常用的函数！# n+ P+ I5 d& P& H- Y, v
还有很多，如有需要我把资料发到你邮箱里 2 K- k9 Q1 d' K
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