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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
0 [! y( n* e/ R* t$ d# |. P if <condition> then
9 c2 V' y* u3 @9 C9 M <statement sequence1>;
6 ^3 o+ A1 [ O& O& P6 U elseif <condition> then3 |; S3 O b& r, X) k
<statement sequence2>;
: X q' L n* ]) `$ B- q else 7 O1 r- z8 a7 Y; F* ?* i
<statement sequence3>;( X3 L: }' o- s: K
end;5 M& X* H- B( N6 G1 b, \
如果分支比较多，用：
9 f7 U) f. Z* X- J$ n3 S7 W inspect <expression>
8 c- e) r, z: `: ?1 k3 ` when <constant_list> then! Z# V, S* L2 | q. w- r
<statement sequence1>;% h/ k. Y! S& F, F7 G: L
when <constant_list> then: g. P" {; H$ |; I1 ~3 x2 h& y" Y
<statement sequence2>;% W7 ^8 I; Q5 ]9 T* _+ @: u) Y3 B
...
& B+ M5 x9 E# C0 f# x7 y4 X else; H6 U; B' l. C( P/ n
<statement sequence3>;
8 w' i6 w) g: G H2 j2 Gend;
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2循环语句
, E, ^% K( y3 B- r; ?0 ?; j (1) from <statement sequence1>3 g9 [3 R6 R8 X
until <condition> loop
) ]7 F0 _, F& e) P. V+ Z: k4 h# T <statement sequence2>;6 A( [' H8 e/ e# w5 n5 M
end;
. k+ g" P9 b1 y' i6 r3 l( j" D (2) while <condition> loop1 p4 \" n5 f6 z8 W9 Z+ C
<statement sequence1>;
9 J3 ]8 b$ X* [/ ^' _ end;
( t. m( d) }/ n% W, ?& X9 c (3) repeat * F3 o& V0 S3 S ]8 m
<statement sequence1>;
- f. b/ g! U/ P, B- N until <condition>;* w5 } t5 o% x% F( y
(4) for <condition> to <condition> loop
1 b. h, }$ X) L" d; s' J <statement sequence1>;4 P+ R3 P- a3 z* \: H
next;9 {8 i, Y' E9 z; [, {1 v
3中断语句
* H9 a' q7 v+ f, ^& d- {! i9 q waituntil <condition> prio <integer expression>;
6 M% ]8 [# X: P+ s
7 q" Z7 W) Q) j5 \; b8 T
# ? f; p. {. N E: T以上为常用的函数！
( {1 V, [' S5 r) h$ D还有很多，如有需要我把资料发到你邮箱里 / R: p4 E$ T) N, t/ q: S# N N
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