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发表于 2012-11-13 08:48:12
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1判断语句
( u+ }1 M3 P' u/ {8 V+ C' @4 Y if <condition> then5 N& q% l6 F ^
<statement sequence1>;8 s3 h8 l4 s" g2 k9 a. A8 d% u N
elseif <condition> then
" t) {7 c# O, U+ h% c <statement sequence2>;" f7 C8 c3 h$ w) Z7 R o
else
7 h4 Z- K, W/ h" P% S, j6 ^' Y, v$ {) s <statement sequence3>;
; v$ @7 k, L4 w! Y3 t5 r8 n end;
# K' p& T( K4 `/ c5 j$ j$ A" Q7 @% l4 X如果分支比较多，用：' E* K7 l( t$ o4 Z/ O) d
inspect <expression>% w2 t) X) k# ^* t8 q4 u# f
when <constant_list> then
% r1 K! f z7 V' C, w <statement sequence1>;
- E6 w( s8 _# E8 u- ]! \ when <constant_list> then
1 P7 ^3 ~% K3 W: `9 m/ L: y <statement sequence2>;
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else
$ U( p- f4 X: E3 \ <statement sequence3>;
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' u' ?" }; V1 ^- ?2循环语句
: q+ B, S U" Q (1) from <statement sequence1>7 d# G+ d9 K2 h7 e
until <condition> loop( S9 W: k4 A5 p$ ^- X3 A8 a
<statement sequence2>;
& S% l2 e6 r" O end;
6 ~0 J6 @' W: Y `8 g X- h (2) while <condition> loop8 Y8 Z8 z2 t% g
<statement sequence1>;
# P4 t4 ~( f R end;/ T5 T" g9 n1 x6 [$ N1 K) Y2 H
(3) repeat
; B" u5 S! B8 b <statement sequence1>;3 h7 x. H% R8 ^* _0 i
until <condition>;
( T- L0 p7 E, \9 j% l Y. B. U (4) for <condition> to <condition> loop. O' M: _, P4 X7 I0 J
<statement sequence1>;) f' s. E9 A; \: T
next;
* t8 M) h5 H0 c* V+ L3中断语句" C: b4 R. R* M: v( F. x0 k0 B
waituntil <condition> prio <integer expression>;- L. {# Q4 H2 x. R4 P
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以上为常用的函数！
0 x$ e/ m0 L, ~, ]还有很多，如有需要我把资料发到你邮箱里 6 B5 z) x$ g: j- |8 z5 V8 Z
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