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发表于 2012-11-13 08:48:12
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1判断语句
3 L' ~& U- t. e- ]7 w! s" x4 c if <condition> then* S6 J" ~) i3 {# |* H
<statement sequence1>;9 }+ K. r$ v! W( I
elseif <condition> then
; b/ N7 g! }4 V, n6 a* Y) N <statement sequence2>;
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<statement sequence3>;9 H$ L! b3 b" k' [9 k3 r, E
end;- E% c( P- K& w j
如果分支比较多，用：! D9 \9 D$ y! z6 q8 S
inspect <expression>% w) P- z0 O8 A1 F& Y' U# Q
when <constant_list> then8 o/ @$ d1 ?+ L$ g. W
<statement sequence1>;, G, |8 y5 Y+ p3 e2 z+ |% X: D
when <constant_list> then2 T6 Y5 @! L: U. P4 L
<statement sequence2>;( u8 U" ]0 S% ?2 \$ ]3 f" j
...
: P% |8 M8 F1 f. v1 b6 y else
3 ~# [3 i8 y4 i; d1 ?. k! Z <statement sequence3>;
' q8 X" a) k, G" Q0 Y1 j. xend;) X5 O( q" i8 h% ]
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2循环语句
# a) w- ^/ g+ ^7 a# T! n- L; N (1) from <statement sequence1>
$ X# n- Z+ z) Q' d until <condition> loop
5 }" W% z _! t9 k( d/ k% j <statement sequence2>;
# ^+ ?* f2 c% l# N& u& }8 x end;
# C6 E& x/ u# l4 J- }9 r% I (2) while <condition> loop
$ t$ t. E2 I1 }: f, K <statement sequence1>;
O" M3 a. x& t end;
1 C1 @! G) Z0 m" y1 R (3) repeat
$ T% ]; Q$ B% O <statement sequence1>;
3 | Y+ t* G, j. m' N' i* e until <condition>;9 ?$ ?4 l$ x- s8 f. K
(4) for <condition> to <condition> loop: ?% R0 @2 i. [0 I# ]
<statement sequence1>;# k3 d9 J; |" j0 M5 f" [
next;" d, j7 l' @) R; y+ G. l4 h3 V5 \
3中断语句2 |! J0 |: I. ~5 g/ s
waituntil <condition> prio <integer expression>;
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: d J+ C2 v8 j; {0 z以上为常用的函数！4 p, r& Z* P' R0 V3 R- Q
还有很多，如有需要我把资料发到你邮箱里
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