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发表于 2012-11-13 08:48:12
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1判断语句) z; g% J/ i/ T% u1 {4 L; L$ @8 \
if <condition> then
2 I$ n% t: x w s4 C2 U4 b <statement sequence1>;. e) t& I9 |, a
elseif <condition> then/ W9 o f% k- H9 h& Y
<statement sequence2>;
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<statement sequence3>;" |6 G L) Y! l) }/ o7 T. w
end;/ M8 p3 [$ C7 }6 ?7 s& t7 T
如果分支比较多，用：, A |' p: B: z4 [! v
inspect <expression>
# ]# f6 B+ j* n4 L$ y2 d1 [# k2 E! a7 v when <constant_list> then* I, b* u7 U! {3 @* h# K
<statement sequence1>;$ q) I0 J" }# {/ |1 K
when <constant_list> then
3 E1 @+ d- U f6 n <statement sequence2>;
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else
" r% j1 h5 T1 s$ Q <statement sequence3>;% I2 o: F8 L7 x
end;9 k3 }. V z: \3 I
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2循环语句
+ l) ^4 K H5 c f: ^3 i (1) from <statement sequence1>$ G- P/ V( W9 K, g! h% N0 r$ B
until <condition> loop
V' V- t* `5 [( h" x3 M. U <statement sequence2>;
! n. ?* k. h7 |: F* O: b end;
6 Q& ^! d7 M: I$ k1 A& Y: c (2) while <condition> loop
3 n. r" N' j5 m <statement sequence1>;. k0 m0 v+ p, ?3 l* B2 [
end;
! K/ `! W' N# t1 E* I) b5 U7 ^ (3) repeat % q) e J9 p' C: X$ E# E
<statement sequence1>;, c; a: n! T! J9 G, ]+ J
until <condition>;, _$ t5 k0 T! U$ A
(4) for <condition> to <condition> loop h# c2 ^5 Y! r% l6 j s
<statement sequence1>;
6 {7 c3 F) k* X) h next;
8 U& y& [# I$ Y: {& B' b3中断语句
& L3 T$ ` a( a x waituntil <condition> prio <integer expression>;
/ Z; |, z4 \$ T, S: q* c) _- T8 v, P3 C. {$ I5 a
/ ~; s- L, C. `* c2 @ G( y以上为常用的函数！
2 C: B" M% {$ e& o8 u/ I/ e- I还有很多，如有需要我把资料发到你邮箱里
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