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发表于 2012-11-13 08:48:12
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1判断语句/ ^+ A6 o8 {3 T+ A& ?0 h9 B
if <condition> then' a* h5 f2 y. J! y G+ O
<statement sequence1>;- F3 [2 R3 S7 B8 z+ ?
elseif <condition> then- ?( t1 P/ m4 t! g5 y! d: _% S" u
<statement sequence2>;
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<statement sequence3>;# W" R/ W7 S3 W( V- s2 B
end;
& V* `5 Q, g$ n- b7 g如果分支比较多，用：, e3 t: M0 w$ B# F
inspect <expression>
z, j- [3 K, \8 ?4 M% x when <constant_list> then2 K0 n6 X P* I @
<statement sequence1>;# |- |" J. ]. N
when <constant_list> then
/ {$ C, b S9 n8 I y" T <statement sequence2>;. R5 g5 n( r! [) J$ P
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else
* s; C' q# E) u; V1 _% @. l <statement sequence3>;
2 {- ]1 }0 h4 }. Cend;6 g# g( W7 _4 e
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2循环语句% J( O: T8 @. M5 b' B7 o) u
(1) from <statement sequence1>
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<statement sequence2>;, M7 O0 ~' E; ?" Q6 Q
end;/ m. X: u# S; u) B: ?/ r; z/ ]
(2) while <condition> loop2 n% b" T6 O* G
<statement sequence1>;+ W. L. `- d, S8 ~* c) X
end;9 z! w3 ^2 }! N# w! n+ \
(3) repeat
0 g* {( T) G H; v) Y9 Q <statement sequence1>;7 L& l/ f @5 g& u
until <condition>;6 ]) J8 O0 k* j# F* V3 d& P6 y
(4) for <condition> to <condition> loop6 J, J' d x4 A
<statement sequence1>;* |7 D$ n C" q1 a
next;
/ ] a* _ a7 Q5 ^$ ]2 H4 r+ z3中断语句8 o+ e" X3 e3 C, ^' h' o! R
waituntil <condition> prio <integer expression>;
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以上为常用的函数！! D8 B- a# Y1 u; r" L: s
还有很多，如有需要我把资料发到你邮箱里 ( ~' Z/ K* t& U# {
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