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发表于 2012-11-13 08:48:12
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1判断语句( I, K3 Q {# [
if <condition> then: a8 m) L1 c; E" \. e$ p: p Z( K
<statement sequence1>;6 `0 R6 I$ H G8 n! T
elseif <condition> then' r1 @( }1 E$ s4 o! T& ^4 f1 S
<statement sequence2>;, p0 ^1 X! @ e% W( k- W7 m; @
else
9 I' H/ ]: j c6 m# g t9 O1 E <statement sequence3>;
4 }1 F8 Z, O0 q6 I$ U* e end;! ~8 J2 t, s: D. j) e
如果分支比较多，用： U. T/ M, D/ r! n
inspect <expression>
0 w1 p+ l8 L- r* @( |% A! N! e. b; [. ` when <constant_list> then/ k. t9 f6 S$ @2 I
<statement sequence1>;$ C% u2 g) |& e# c% m
when <constant_list> then2 c& u) j# Y" N+ g+ ~+ z
<statement sequence2>;
% n" I( r" A$ B3 U; s ...
# {# `/ V, g% Z2 ` else
1 V5 h! q. `0 z( o5 D <statement sequence3>;3 H( G$ o3 L$ M' ?
end;/ V' }4 H3 |$ p) M
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2循环语句; L% A' W3 h) G) f# \( X; }: `
(1) from <statement sequence1>
8 I/ j" f7 s9 ^3 I7 Z, { until <condition> loop
1 {8 w2 w/ n5 X <statement sequence2>;, r0 y# e& `" T; q
end;
% P2 O9 _) q; _$ f (2) while <condition> loop6 z* n; i8 S' r, {/ U' x
<statement sequence1>;
6 B$ T0 y ~# @8 q end; p1 E: K8 Z( y
(3) repeat 5 T: C: S& z Y- s
<statement sequence1>;" }) R% j2 H) m7 v
until <condition>;
: n' v, d# b( `% B/ n (4) for <condition> to <condition> loop3 ~) L' Z A/ c6 ^, c
<statement sequence1>;
3 j' W/ b/ g: B next;
; o' g- A A" k9 X F3 e4 j. }3中断语句" C* `. ]. P7 z; g4 I/ N' V
waituntil <condition> prio <integer expression>;
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以上为常用的函数！! g. {' F. B+ F- ~( o, J2 d
还有很多，如有需要我把资料发到你邮箱里
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