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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
; A. J+ K3 O' P. b1 d if <condition> then
% L; q8 R# C* l N v+ M/ y4 T$ a/ n1 C <statement sequence1>;+ B7 i5 i1 b) ]
elseif <condition> then% m/ Y( w9 r5 t
<statement sequence2>;( ?4 N0 C( c6 w. Y( b& h" y7 Y
else
- {1 \" G. l, \7 k/ R" B <statement sequence3>;% Q( Q! R" f' D' L/ k. J C! T: R
end;: r# q* B9 r+ j* ~
如果分支比较多，用：
! r0 L2 A3 M: s1 L inspect <expression>% g/ N7 ?2 y( V4 r5 @
when <constant_list> then
* w$ {0 `# n" @( o# v' j <statement sequence1>;2 {2 U) [4 m4 M9 L) g! h
when <constant_list> then
& U, _5 X+ |3 e( J' N <statement sequence2>;3 Y" B0 J3 A: x
...
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<statement sequence3>;
5 Y3 H1 H0 q% z% l1 ~# G# h6 iend;
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2循环语句
0 w: I# r) A' r2 t, r; ^ (1) from <statement sequence1>
4 K/ B! p% Y7 u6 i% E% [+ h3 L. C until <condition> loop
4 L9 I- p5 {9 z2 W( u <statement sequence2>;
+ L, ]: }9 {0 C z5 X end;8 z7 U: t* k9 e7 W( w
(2) while <condition> loop1 i' s6 G6 \. u! y1 ~' b
<statement sequence1>;, U6 p/ ^* ~( K
end;
7 t( \3 _) F8 E+ g9 c: m (3) repeat ( _* v: C/ q3 g
<statement sequence1>;
, P6 F& K8 p: y- _# _, ?1 U until <condition>;' a$ G$ v# d6 e v) b2 u
(4) for <condition> to <condition> loop
5 b0 c8 i+ ~" ?* m) e$ x7 O <statement sequence1>;
' {2 S+ \. M- d7 D& j% y5 v next;
: `; I I5 Q) |( M' M3中断语句
+ S% ?: C6 @5 G+ C+ ^ waituntil <condition> prio <integer expression>;+ Y7 s- _5 `' }% z4 Z- Z+ q( q( b
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以上为常用的函数！4 P4 D' F g& C
还有很多，如有需要我把资料发到你邮箱里 3 ?! G0 K6 d8 i
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