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发表于 2012-11-13 08:48:12
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1判断语句
; O$ C* e G8 @4 F A# f9 l if <condition> then
; N2 }* B a- e) ` <statement sequence1>;) ^+ A6 H2 z H- m6 ?
elseif <condition> then, `+ g; G$ V& @+ X% F1 N8 c
<statement sequence2>;
$ ^- A; S6 ?+ _2 A( |- x4 ?+ |9 Z else 2 K# _7 h1 R f& @! B/ B" y
<statement sequence3>;
3 t9 J- [. i: m. N4 |& a end;
, g8 I1 u: {# {1 s如果分支比较多，用：% s8 ]# i* C( K9 e! ~9 w1 x
inspect <expression>
' C: T, C1 M, [& S A$ J, _" q when <constant_list> then
% Z- ~: Q0 V8 n- s/ O E; ^ <statement sequence1>;: [6 \, j% |' w2 H
when <constant_list> then
4 ~7 x8 P; H, y; K; ]5 |& F% F <statement sequence2>;* ~7 G" P4 v$ {/ r e
...) \, V3 n1 J. ]
else
H' g" `% U8 a <statement sequence3>;
4 F3 b$ @$ K) z6 g: E, d8 Xend;6 {0 T( M1 n0 }. D4 S. O$ I9 |8 ]
& g6 x& H4 x' @ k& s2循环语句# I! L7 v1 `2 q% v3 l- q/ s
(1) from <statement sequence1>4 O5 X# E9 L2 u
until <condition> loop* L% \8 W1 t/ `3 I9 C- W
<statement sequence2>;; y" l/ h# a' g% F! a; j0 \8 d, g
end;
, N7 i$ u& M* I6 K (2) while <condition> loop; g$ y. n. [( X4 o* [6 f- k& R$ `
<statement sequence1>;8 B; P: g; D9 w) x
end;
# J" P. v1 ^4 M: W (3) repeat 7 v" l* q% V6 \, J. O0 I+ ]9 O
<statement sequence1>;
* C( }: K* H% o- O3 _/ r' h until <condition>;
8 q+ J5 u; X" Q4 M' s( a0 v (4) for <condition> to <condition> loop; S/ v$ g! x( B4 F: h( I, }
<statement sequence1>;. b# M6 [8 A: ?
next;
) N& ?8 Z8 i( X) v+ C3中断语句8 C# L W5 Q) y) Q% s$ N' a+ K
waituntil <condition> prio <integer expression>;3 f6 q$ h$ Q$ Y) v! b# \
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以上为常用的函数！* J2 k2 L8 Q% u2 F) |6 P5 E
还有很多，如有需要我把资料发到你邮箱里 . {! r$ y* H' z0 w; y
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